N32912R7DN [NUVOTON]

ARM926EJ-S Based Media Processor with Video Decode Accelerator;
N32912R7DN
型号: N32912R7DN
厂家: NUVOTON    NUVOTON
描述:

ARM926EJ-S Based Media Processor with Video Decode Accelerator

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N3291xUxDN  
Data Sheet  
ARM926EJ-S Based Media Processor with  
Video Decode Accelerator  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 1 -  
N3291xUxDN Data Sheet  
The information in this document is subject to change without notice.  
The Nuvoton Technology Corp. shall not be liable for technical or editorial errors or omissions  
contained herein; nor for incidental or consequential damages resulting from the furnishing,  
performance, or use of this material.  
This documentation may not, in whole or in part, be copied, photocopied, reproduced, translated, or  
reduced to any electronic medium or machine readable form without prior consent, in writing, from the  
Nuvoton Technology Corp.  
Nuvoton Technology Corp. All rights reserved.  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 2 -  
N3291xUxDN Data Sheet  
Table of Contents  
1. GENERAL DESCRIPTION ...................................................................................................4  
1.1 Applications .......................................................................................................................4  
2. FEATURES...........................................................................................................................5  
3. PIN DIAGRAM ....................................................................................................................12  
3.1 N3291xUxDN (LQFP-128)...............................................................................................12  
4. PIN DESCRIPTION.............................................................................................................13  
4.1 Pin Description ................................................................................................................13  
4.2 Pin Type Description........................................................................................................26  
5. ELECTRICAL SPECIFICATION .........................................................................................27  
5.1 Absolute Maximum Rating...............................................................................................27  
5.2 DC Characteristics (Normal I/O)......................................................................................27  
5.3 Audio DAC Characteristics ..............................................................................................29  
5.4 ADC Characteristics ........................................................................................................30  
5.5 AC Characteristics (Digital Interface)...............................................................................30  
5.6 Thermal characteristics of SLQFP-128 Package.............................................................31  
6. ORDERING INFORMATION...............................................................................................32  
6.1 Part Number Definition ....................................................................................................32  
6.2 Difference between N3291xU1DN and N32916xU2DN...................................................32  
7. PACKAGE OUTLINE..........................................................................................................33  
7.1 128L LQFP (14X14X1.4mm body, 0.4mm pitch).............................................................33  
8. REVISION HISTORY ..........................................................................................................34  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 3 -  
N3291xUxDN Data Sheet  
1. GENERAL DESCRIPTION  
The N3291xUxDN is specially designed for accelerating video stream decoding performance while off-loading the  
CPU to save power consumption. It is embedded H/W video decoder to deliver high-quality video playback in different  
formats, like H.264 / MPEG-4 / H.263.  
The N3291xUxDN is built on the ARM926EJ-S CPU core and integrated with video encoder, JPEG codec, CMOS  
image sensor interface, Sound Processing Unit (SPU), ADC, DAC, and TV encoder for meeting various kinds of  
application needs while saving the BOM cost. The combination of ARM926 @ 300MHz, DDR2, H/W video decoder,  
and USB2.0 HS Device makes the N3291xU1DN the best choice for high performance media processing devices.  
The N3291xU1DN also integrates an AES cipher/de-cipher cryptography engine for stream protection considerations.  
The stream stored in SD card, SPI NOR Flash, or NAND Flash is encrypted. It is decrypted when the stream is read  
back and decrypted for playback.  
The N32916UxDN is ported with Linux OS to leverage the driver availability of emerging functionalities, like Wi-Fi  
connectivity. On the other hand, the open source code environment also gives the product development more  
flexibility. Moreover, hybrid platform is introduced to best utilize the performance advantage at native C programming  
while enjoying the inherent benefit at application firmware/software development.  
Maximum resolution for the N3291xUxDN is D1 (720x480) @ TV output and 1,024x768 @ TFT LCD panel. With  
increasing popularity of the application image resolution, the N3291xUxDN is the best fit for the application that  
requires fast turn-around time of development. The N3291xUxDN is well-positioned in the cost effective & high  
performance media player market where video streams are extensively used.  
To reduce system complexity while cutting the BOM cost, the N3291xUxDN is particularly designed with the 128-pin  
SLQFP MCP (Multi-Chip Package). For N3291xUxDN, the 32Mbitx16 DDR2 chip is stacked inside the MCP to ensure  
higher performance, lower power consumption and to minimize the system design efforts, like EMI and noise coupling.  
The N3291xUxDN is incorporated with a reliable Linux OS kernel and Board Support Package (BSP) to help  
customers shorten the design cycle time. The fast booting time (under 3 seconds), from power on to application  
running, is another extra feature to help eliminate power consumption.  
1.1 Applications  
e-Reader for kids  
ELA (Educational Learning Aid)  
TV game  
HMI  
Home Applicance  
Advertisement  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 4 -  
 
 
N3291xUxDN Data Sheet  
2. FEATURES  
CPU  
ARM926EJ-S 32-bit RISC CPU with 16KB I-Cache & 16KB D-Cache.  
Frequency up to 300MHz (worse case).  
JTAG interface supported for development and debugging.  
Internal SRAM & ROM  
8KB internal SRAM and 16KB IBR (Internal Booting ROM) supported.  
IBR booting messages displayed by UART console for debugging.  
Different system booting modes supported:  
Memory card  
SD card  
SD-to-NAND flash bridge  
NAND Interface  
Raw NAND Flash  
OTP ROM (N23512T / N231GT)  
SPI Flash  
USB  
Memory Controller  
SDRAM Interface  
SDR, DDR, LPDDR & DDR2 type SDRAM supported.  
Frequency up to 150MHz.  
16-bit data bus width supported.  
2 external SDRAM banks (2 chip select pins) supported.  
Total memory size up to 256MB (128MB x 2).  
EDMA (Enhanced DMA)  
Totally 6 DMA channels supported  
4 peripheral DMA channels for transfer between memory and on-chip peripherals,  
such as ADC, UART and SPI.  
Two dedicated channels for memory-to-memory transfer.  
Byte, half-word and word data width types supported.  
Single and burst transfer modes supported.  
Block transfer supported in memory-to-memory transfer channel.  
Color format transformation supported in memory-to-memory transfer channel.  
Source color format could be RGB555, RGB565 and YCbCr422.  
Destination color format could be RGB555, RGB565 and YCbCr422.  
Auto reload supported for continuous data transfer.  
Interrupt generation supported in the half-of-transfer or end-of-transfer.  
Capture (CMOS Image Sensor I/F)  
CCIR601 and CCIR656 interfaces supported for connection to CMOS image sensor.  
Resolution up to 2M pixels.  
YUV422 and RGB565 color format supported for data-in from CMOS sensor.  
YUV422, RGB565, RGB555 and Y-only color format supported for data storing to system  
memory.  
Planar and packet data formats supported for data storing to system memory.  
Image cropping supported with the cropping window up to 4096x2048.  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 5 -  
 
N3291xUxDN Data Sheet  
Image scaling-down supported.  
Vertical and horizontal scaling-down for preview mode supported.  
The scaling factor is N/M.  
Two pairs of configurable 8-bit N and 8-bit M for vertical and horizontal scaling-  
down.  
The value of N has to equal to or less than M.  
Frame rate control supported.  
Combines two interlace fields to a single frame supported for data in from TV-decoder  
3 Kinds of color processing effects:  
Negative picture  
Sepia picture  
Posterization  
JPEG Codec  
Baseline Sequential mode JPEG codec function compliant with ISO/IEC 10918-1  
international JPEG standard supported.  
Planar Format  
Support to encode interleaved YCbCr 4:2:2/4:2:0 and gray-level (Y only) format  
image.  
Support to decode interleaved YCbCr 4:4:4/4:2:2/4:2:0/4:1:1 and gray-level (Y only)  
format image.  
Support to decode YCbCr 4:2:2 transpose format.  
Support arbitrary width and height image encode and decode.  
Support three programmable quantization-tables.  
Support standard default Huffman-table and programmable Huffman-table for decode.  
Support arbitrarily 1X~8X image up-scaling function for encode mode.  
Support down-scaling function for encode and decode modes.  
Support specified window decode mode.  
Support quantization-table adjustment for bit-rate and quality control in encode  
mode.  
Support rotate function in encode mode.  
Support on-the-Fly interface with video data processor.  
Packet Format  
Support to encode interleaved YUYV format input image, output bitstream 4:2:2 and  
4:2:0 format.  
Support to decode interleaved YCbCr 4:4:4/4:2:2/4:2:0 format image.  
Support decoded output image RGB555, RGB565 and RGB888 formats.  
The encoded JPEG bit-stream format is fully compatible with JFIF and EXIF standards.  
Support arbitrary width and height image encode and decode.  
Support three programmable quantization-tables.  
Support standard default Huffman-table and programmable Huffman-table for decode.  
Support arbitrarily 1X~8X image up-scaling function for encode mode.  
Support down-scaling function 1X~ 16X for Y422 and Y420, 1X~ 8X for Y444 for  
decode mode.  
Support specified window decode mode.  
Support quantization-table adjustment for bit-rate and quality control in encode  
mode.  
Support on-the-Fly interface with video data processor.  
Support Scatter-Gather mode for output frame buffer.  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 6 -  
N3291xUxDN Data Sheet  
Video Decoder  
Support H.264 AVC baseline profile level-3 and compliant with ISO/IEC 14496-10 visual  
standard, SVGA (800x600) @ 30fps.  
Support MPEG-4 part-II simple profile level-3 decoder and compliant with ISO/IEC 14496-  
2 visual standard, SVGA (800x600) @ 30fps.  
Support H.263 P3 decoder, SVGA (800x600) @ 30fps.  
Support Sorenson Spark decoder, D1 (720x480) @ 30fps.  
Support real-time 30fps video decompression and resolution can up to 720×480.  
Error resilience: Slice Resynchronization, Data Partitioning and Reversible VLC.  
VPOST  
8/16/18/24-bit SYNC type and 8/9/16/18/24-bit MPU type TFT LCD supported.  
Color format supported:  
YCbCr422, RGB565, RGB555, and RGB888 color formats supported for data in.  
YCbCr422, RGB565, RGB555, and RGB888 color formats supported for data out.  
XGA (1024x768), SVGA (800x600), WVGA (800x480), D1 (720X480), VGA (640x480),  
WQVGA (480x272), QVGA (320x240) and HVGA (320x480) resolution supported.  
The maximum resolution is up to D1 (720X480) for TV output.  
The maximum resolution is up to 1024X768 for TFT LCD panel.  
Display scaler – to fit different size of LCD panels.  
Horizontal: At most 4.0x scale.  
Vertical: At most 3.0x scale.  
For SYNC type LCD:  
For 8-bit bus  
CCIR601 YCbCr422 packet mode (NTSC/PAL) supported.  
CCIR601 RGB Dummy mode (NTSC/PAL) supported.  
CCIR656 interface supported.  
RGB Through mode supported.  
For 16/18/24-bit bus  
Parallel pixel data output mode (1-pixel/1-clock).  
NTSC/PAL interlace & non-interlace output supported.  
Color format transform supported:  
Color format transform between YCbCr422 and RGB565.  
Color format transform from YCbCr422 to RGB888.  
TV encoder supported.  
Dual screen, outputs to TV and LCDwith same content, supported.  
LCD panel should be 320X240 MPU-type, or 8-bit SYNC-type LCD panel with TV  
timing  
Notch filter for NTSC supported to remove the rainbow color effect.  
Support OSD function to overlap system information like battery life, brightness tuning,  
volume tuning or muting, etc.  
SPU (Sound Processing Unit)  
7-bit volume control supported.  
5-bit pan control supported.  
10-band equalizer supported.  
13-bit DFA supported for source sampling rate control.  
Audio DAC  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 7 -  
N3291xUxDN Data Sheet  
16-bit stereo DAC supported with headphone driver output.  
H/W volume control supported.  
Built-in PLL for supporting various sampling rate.  
I2S Controller  
I2S interface supported to connect external audio codec.  
16/18/20/24-bit data format supported.  
Storage Interface Controller  
Interface to NAND Flash:  
8-bit data bus width supported.  
SLC and MLC type NAND Flash supported.  
512B, 2KB, 4KB, and 8KB page size NAND Flash supported.  
ECC4, ECC8, ECC12, ECC15 and ECC24 algorithm supported for ECC generation,  
error detection and error correction.  
Interface to SD/MMC/SDIO/SDHC/micro-SD cards supported.  
SD-to-NAND flash bridge supported.  
DMA function supported to accelerate the data transfer between system memory and  
NAND Flash or SD/MMC/SDIO/SDHC/micro-SD.  
USB Device Controller  
USB2.0 HS (High-Speed) x 1 port.  
6 configurable endpoints supported.  
Control, Bulk, Interrupt and Isochronous transfers supported.  
Suspend and remote wakeup supported.  
USB Host Controller  
USB1.1 Host x 2 ports.  
Fully compliant with USB Revision 1.1 specification.  
Open Host Controller Interface (OHCI) Revision 1.0 compatible.  
Full-speed (12Mbps) and low-speed (1.5Mbps) USB devices supported.  
Control, Bulk, Interrupt and Isochronous transfers supported.  
Timer & Watch-Dog Timer  
Two 32-bit with 8-bit pre-scalar timers supported.  
One programmable 24-bit Watch-Dog Timer supported.  
PWM  
4 PWM channel outputs supported.  
16-bit counter supported for each PWM channel.  
Two 8-bit pre-scalars supported and each pre-scalar shared by two PWM channels.  
Two clock-dividers supported and each divider shared by two PWM channels.  
Two Dead-Zone generators supported and each generator shared by two PWM channels.  
Auto reloaded mode and one-shot pulse mode supported.  
Capture function supported.  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 8 -  
N3291xUxDN Data Sheet  
UART  
A high speed UART supported:  
Baud rate is up to 1M bps.  
4 signals TX, RX, CTS and RTS supported.  
A normal UART supported:  
Baud rate is up to 115.2K bps.  
2 signals TX and RX supported only.  
SPI  
Two SPI interfaces are supported.  
Both master and slave mode are supported in SPI interface 0.  
Only master mode is supported in SPI interface 1.  
Byte transfer with configurable stop interval supported.  
I2C  
One I2C channel supported.  
Compatible with Philips’s I2C standard and only master mode supported.  
Multi-master operation supported.  
Advanced Interrupt Controller  
Total 32 interrupt source supported.  
Configurable interrupt type:  
Low-active level triggered interrupt.  
High-active level triggered interrupt.  
Low-active edge (falling edge) triggered interrupt.  
High-active edge (rising edge) triggered interrupt.  
Individual interrupt mask bit for each interrupt source.  
8 different priority levels supported.  
Daisy-chain priority mechanism supported for interrupts with same priority level.  
Low priority interrupt automatic masking supported for interrupt nesting.  
RTC  
Independent power plane supported  
Dual clock source are supported, accurate 32.768 KHz crystal oscillation circuit and built-  
in coarse 32KHz RC-oscillator.  
Time counter (second, minute, hour) and Calendar counter (day, month, year) supported.  
Alarm supported (second, minute, hour, day, month and year).  
12/24-hour mode and Leap year supported.  
Alarm to wake chip up from Standby mode or from Power-down mode supported.  
Wake chip up from Power-down mode by input pin supported.  
Power-off chip by register setting supported.  
Power-on timeout is supported for low battery protection.  
GPIO  
88 programmable general purpose I/Os supported and separated into 5 groups.  
Individual configuration supported for each I/O signal.  
Configurable interrupt control functions supported.  
Configurable de-bounce circuit supported for interrupt function.  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 9 -  
N3291xUxDN Data Sheet  
General-purpose ADC  
Multi-channel, 10-bit ADC supported  
2 channels dedicated for 4-wire resistive touch sensor inputs.  
3 channels reserved for various purposes, like LVD (Low Voltage Detection), keypad  
input, and light sensor.  
Input voltage range from 0V ~ 3.3V supported.  
Maximum 25MHz input clock supported.  
Maximum 150K/s conversion rate supported.  
LVR (Low Voltage Reset) supported.  
Microphone ADC  
Built-in Programmable Gain Control (PGC) circuit  
Built-in Bias circuit  
10-bit ADC supported  
Keypad Interface (KPI)  
Matrix Key Pad Interface Supported.  
Maximum 8x8 and minimum 3x3 keypad matrix supported.  
Configurable key de-bounce supported.  
Low power wakeup mode supported.  
Configurable three-key reset supported.  
AES (Advance Encryption Standard) Engine  
Support both encryption and decryption.  
Support only CBC (Cipher Block Chaining) mode.  
All three kinds of key length: 128, 192, 256 bits are supported.  
Built-in DMA supported.  
Power Management  
Advanced power management including Power Down, Deep Standby, CPU Standby, and  
Normal Operating modes.  
Normal Operating Mode  
Core power is 1.2V and chip is in normal operation.  
CPU Standby Mode  
Core power is 1.2V and only ARM CPU clock is turned OFF.  
Deep Standby Mode  
Core power is 1.2V and all IP clocks are turned OFF.  
Power Down Mode  
Only the RTC power is ON. Other 3.3V and 1.2V power are OFF.  
Software Support  
Development Tools  
Bootloader / Diagnostic Program / NAND Writer Program: ADS 1.2 or RVDS 2.x or 3.x  
Linux Kernel (2.6.17.14) / System Manager: GCC 4.2  
TurboWriter / Sync Tool: Microsoft VC 6.0  
NAND Flash File System  
FAT12, FAT16 and FAT32 with long filename are supported.  
Hidden disk is supported.  
RAM disk is supported.  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 10 -  
N3291xUxDN Data Sheet  
S/W audio Library  
Decoders with ADPCM / MP3 / ACC / OGG / WMA format support.  
32-polyphony Wavetable MIDI synthesizer.  
Programmable sampling rate and target bit rate.  
USB Driver  
MS (Mass Storage) Class  
HID (Human Interface Device) Class  
Fast Booting Time (From power-on to application running)  
Within 3 seconds  
Operating Voltage  
I/O: 3.3V  
Core: 1.2V for 300MHz.  
Package  
LQFP-128 (MCP, stacked with 32Mbx16 DDR2 @ 1.8V)  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 11 -  
N3291xUxDN Data Sheet  
3. PIN DIAGRAM  
3.1 N3291xUxDN (LQFP-128)  
1
9
P
F
1
ADAC_HPVDD33  
ADAC_HPOUT_L  
ADAC_HPOUT_R  
ADAC_VSS33  
GPD[12] / SPI0_CLK  
GPE[4] / SDDAT[2]  
GPE[5] / SDDAT[3]  
N
2
GPE[6] /  
GPE[7] /  
SDCMD  
SDCLK  
Q
L
ADAC_VMID  
GPE[2] / SDDAT[0]  
GPE[3] / SDDAT[1]  
ADAC_AVDD33  
TVDAC_AVDD33  
N
3
90  
80  
70  
GPB[12] /LVDATA[23]  
GPB[11] /LVDATA[22]  
/ SPI1_DO/  
/ SPI1_CLK / GPG[2] / ISCK  
SPDATA[7]  
TVDAC_TVOUT / I2S_DOUT  
TVDAC_COMP / I2S_WS  
/ SPI1_DI/ SPDATA[6]  
D
x
/ GPG[4]  
/ GPG[5]  
/ GPG[3]  
/ SPI1_DI  
/ ISDA  
VDD12  
MVDDQ18  
MVDDQ18  
VDD12  
10  
TVDAC_VREF  
TVDAC_REXT  
/ I2S_MCLK / SPI1_DO  
/ I2S_BCLK  
/ SPI1_CS0_  
/ GPH[5]  
/ LVD_OUT  
DIVIDER_FB  
MVDD18  
MVDD18  
VDD12  
8
U
x
SPDATA[5]  
GPB[10] /LVDATA[21]/SPI1_CS0_/  
GPB[9] /LVDATA[20] / SPI1_CLK/  
GPB[8] /LVDATA[19] /  
SPDATA[4]  
SPDATA[3]  
SPDATA[2]  
SPDATA[1]  
SPDATA[0]  
2
-
RTC_XOUT  
RTC_XIN  
/ GPG[1]  
/ GPG[0]  
GPB[7] /LVDATA[18] /  
/ I2S_DIN/  
/I2S_DOUT/  
GPB[6]  
RTC_RWAKE_  
1
GPB[5] / SDDAT1[2]  
GPB[4] / SDDAT1[3]  
GPB[3] / SDCMD1  
RTC_RPWR  
RTC_VDD33  
ADC_VDD33  
20  
/
I2S_WS/  
/ I2S_BCLK/  
/ I2S_MCLK/  
SFIELD  
SVSYNC  
SHSYNC  
SPCLK  
/ SDCLK1  
GPB[2]  
ADC_VSS33  
GPB[1] / SDDAT1[0] / UHL_DM1 /  
GPB[0] / SDDAT1[1] / UHL_DP1 /  
ADC_AIN[3]  
ADC_AIN[2]  
ADC_TP_YP / ISCK  
ADC_TP_XP  
/ GPG[7]  
/ GPG[8]  
SCLKO  
XIN  
/ GPG[12]  
/ SPI1_CLK  
/ SPI1_CS0_  
XOUT  
/ GPG[13]  
VDD33  
/ SPI1_DI  
/ GPG[14]  
/ GPG[15]  
ADC_TP_XM  
/ ISDA / SPI1_DO  
UD_VDD12  
UD_DM  
UD_DP  
ADC_TP_YM  
/ GPG[11]  
MIC_BIAS  
/ I2S_BCLK  
/ MIC_N  
/ MIC_P  
/ I2S_DI  
/ GPG[9]  
ADC_AIN[1]  
ADC_AIN[0]  
30  
/ GPG[10]  
/ I2S_WS  
/ I2S_MCLK  
UD_VDD33  
UD_REXT  
/ GPH[0]  
PGC_VREF  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 12 -  
 
 
N3291xUxDN Data Sheet  
4. PIN DESCRIPTION  
4.1 Pin Description  
I/O  
PIN NAME  
DESCRIPTION  
TYPE  
Clock & Reset  
XIN  
I
27MHz/12MHz Crystal Input  
27MHz/12MHz Crystal Output  
XOUT  
RST_  
O
IOSU System Reset, Input, Low Active  
Watch-Dog Reset, Output, Low Active  
JTAG Interface  
TCK  
IOD  
IOU  
JTAG Interface Test Clock, Input  
SPI1_CS1_  
PWM0  
SPI Port 1 Device Select 1, Output, Low Active  
PWM Channel 0  
GPD[0]  
TMS  
GPIO Port D Bit 0  
JTAG Interface Test Mode Select, Input  
High-Speed UART TX Data, Output  
PWM Channel 1  
HUR_TXD  
PWM1  
S2PCLK  
GPD[1]  
TDI  
CMOS Camera Module Port 2 PCLK Signal  
GPIO Port D Bit 1  
IOU  
JTAG Interface Test Data In, Input  
High-Speed UART RX Data, Input  
PWM Channel 2  
HUR_RXD  
PWM2  
S2CLKO  
GPD[2]  
TDO  
CMOS Camera Module Port 2 MCLK Signal  
GPIO Port D Bit 2  
IOU  
JTAG Interface Test Data Out, Output  
High-Speed UART Clear-To-Send, Input, Low Active  
PWM Channel 3  
HUR_CTS  
PWM3  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 13 -  
 
 
N3291xUxDN Data Sheet  
I/O  
PIN NAME  
LVD_OUT  
DESCRIPTION  
TYPE  
Low Voltage Dection Indicator  
S2VSYNC  
UHL_DP0  
GPD[3]  
The 2nd CMOS Camera Module VSYNC Signal  
USB 1.1 Host Like Port 0 D+ Signal  
GPIO Port D Bit 3  
TRST_  
IOU  
JTAG Interface Test Reset, Input, Low Active  
High-Speed UART Reset-To-Send, Output, Low Active  
SPI Port 0 Device Select 1, Output, Low Active  
USB 1.1 Host like Port 0 D- Signal  
HUR_RTS  
SPI0_CS1_  
UHL_DM0  
S2HSYNC  
GPD[4]  
The 2nd CMOS Camera Module HSYNC Signal  
GPIO Port D Bit 4  
NAND Interface  
NCS0_  
IOU  
IOU  
IOU  
NAND Interface Chip Select 0, Output, Low Active  
GPIO Port E Bit 8  
GPE[8]  
NCS1_  
NAND Interface Chip Select 1, Output, Low Active  
GPIO Port E Bit 9  
GPE[9]  
NALE  
NAND Interface Address-Latch-Enable, Output, High Active  
SDDAT2[0]  
GPE[10]  
NCLE  
SD Port 2 Data Bit 0  
GPIO Port E Bit 10  
IOU  
IOU  
NAND Interface Command-Latch-Enable, Output, High Active  
SD Port 2 Data Bit 1  
SDDAT2[1]  
GPE[11]  
NBUSY0_  
SDDAT2[2]  
GPD[5]  
GPIO Port E Bit 11  
NAND Interface Busy 0, Input, Low Active  
SD Port 2 Data Bit 2  
GPIO Port D Bit 5  
NBUSY1_  
GPD[6]  
IOU  
IOU  
NAND Interface Busy 1, Input, Low Active  
GPIO Port D Bit 6  
NRE_  
NAND Interface Read Enable, Output, Low Active  
SD Port 2 Clock, Output  
SDCLK2  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 14 -  
N3291xUxDN Data Sheet  
I/O  
PIN NAME  
GPD[7]  
NWR_  
DESCRIPTION  
TYPE  
GPIO Port D Bit 7  
IOU  
IOU  
IOU  
IOU  
NAND Interface Write Enable, Output, Low Active  
SD Port 2 Command/Response  
GPIO Port D Bit 8  
SDCMD2  
GPD[8]  
ND[7]  
NAND Interface Data Bit 7  
SPI Port 0 CS0, Active Low  
GPIO Port A Bit 15  
SPI0_CS0_  
GPA[15]  
ND[6]  
NAND Interface Data Bit 6  
SPI Port 0 Serial Clock Signal  
GPIO Port A Bit 14  
SPI0_CLK  
GPA[14]  
ND[5]  
NAND Interface Data Bit 5  
SPI Port 0 Serial Data Input  
USB 1.1 Host Like Port 0 D- Signal  
GPIO Port A Bit 13  
SPI0_DI  
UHL_DM0  
GPA[13]  
ND[4]  
IOU  
IOU  
NAND Interface Data Bit 4  
SPI Port 0 Serial Data Output  
USB 1.1 Host Like Port 0 D+ Signal  
GPIO Port A Bit 12  
SPI0_DO  
UHL_DP0  
GPA[12]  
ND[3]  
SDDAT2[3]  
NAND Interface Data Bit 3  
SD Port 3 Data Bit 3  
ND[2]  
IOU  
IOU  
IOU  
NAND Interface Data Bit 2  
NAND Interface Data Bit 1  
NAND Interface Data Bit 0  
ND[1]  
ND[0]  
Sensor/Video-In Interface  
SCLKO  
IOU  
Clock to Sensor Module, Output  
USB Host Like Interface, DP  
SD Port 1 Data Bit 1  
UHL_DP1  
SDDAT1[1]  
GPB[0]  
GPIO Port B Bit 0  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 15 -  
N3291xUxDN Data Sheet  
I/O  
TYPE  
IOU  
PIN NAME  
DESCRIPTION  
Sensor Interface Pixel Clock, Input  
SPCLK  
UHL_DM1  
USB Host Like Interface, DM  
SD Port 1 Data Bit 0  
SDDAT1[0]  
GPB[1]  
GPIO Port B Bit 1  
SHSYNC  
I2S_MCLK  
SDCLK1  
IOU  
IOU  
IOU  
IOU  
Sensor Interface HSYNC, Input  
Clock to I2S Codec, Output  
SD Port 1 Clock, Output  
GPIO Port B Bit 2  
GPB[2]  
SVSYNC  
I2S_BCLK  
SDCMD1  
GPB[3]  
Sensor Interface VSYNC, Input  
I2S Interface Clock, Input  
SD Port 1 Command/Response  
GPIO Port B Bit 3  
SFIELD  
Sensor Interface Even/ODD Field Indicator, Input  
I2S Interface Word Select, Output  
SD Port 1 Data Bit 3  
I2S_WS  
SDDAT1[3]  
GPB[4]  
GPIO Port B Bit 4  
SPDATA[0]  
I2S_DOUT  
SDDAT1[2]  
GPB[5]  
Sensor Interface Data Bit 0, Input  
I2S Interface Data Output  
SD Port 1 Data Bit 2  
GPIO Port B Bit 5  
SPDATA[1]  
I2S_DIN  
IOU  
IOU  
IOU  
Sensor Interface Data Bit 1, Input  
I2S Interface Data Input  
GPB[6]  
GPIO Port B Bit 6  
SPDATA[2]  
LVDATA[18]  
GPB[7]  
Sensor Interface Data Bit 2, Input  
LCD Interface Data Bit 18  
GPIO Port B Bit 7  
SPDATA[3]  
LVDATA[19]  
Sensor Interface Data Bit 3, Input  
LCD Interface Data Bit 19  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 16 -  
N3291xUxDN Data Sheet  
I/O  
PIN NAME  
GPB[8]  
DESCRIPTION  
TYPE  
GPIO Port B Bit 8  
SPDATA[4]  
SPI1_CLK  
IOU  
Sensor Interface Data Bit 4, Input  
SPI Port 1 Clock  
Output in Master Mode  
Input in Slave Mode  
LVDATA[20]  
GPB[9]  
LCD Interface Data Bit 20  
GPIO Port B Bit 9  
SPDATA[5]  
SPI1_CS0_  
IOU  
Sensor Interface Data Bit 5, Input  
SPI Port 1 Select 0, Low Active  
Output in Master Mode  
Input in Slave Mode  
LVDATA[21]  
GPB[10]  
LCD Interface Data Bit 21  
GPIO Port B Bit 10  
SPDATA[6]  
SPI1_DI  
IOU  
IOU  
Sensor Interface Data Bit 6, Input  
SPI Port 1 Data Input  
LVDATA[22]  
GPB[11]  
LCD Interface Data Bit 22  
GPIO Port B Bit 11  
SPDATA[7]  
SPI1_DO  
LVDATA[23]  
GPB[12]  
Sensor Interface Data Bit 7, Input  
SPI Port 1 Data Output  
LCD Interface Data Bit 23  
GPIO Port B Bit 12  
I2C Interface  
ISCK  
IOU  
IOU  
I2C Interface Clock, Output  
GPIO Port B Bit 13  
GPB[13]  
ISDA  
I2C Interface Data  
LMVSYNC  
GPB[14]  
MPU Mode VSYNC, Output  
GPIO Port B Bit 14  
LCD/Display Interface  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 17 -  
N3291xUxDN Data Sheet  
I/O  
TYPE  
IOU  
PIN NAME  
DESCRIPTION  
LCD Interface Pixel Clock, Output  
LPCLK  
GPB[15]  
GPIO Port B Bit 15  
LHSYNC  
GPD[9]  
IOU  
IOU  
IOU  
IOU  
LCD Interface HSYNC, Output, High Active  
GPIO Port D Bit 9  
LVSYNC  
GPD[10]  
LVDE  
LCD Interface VSYNC, Output, High Active  
GPIO Port D Bit 10  
LCD Interface Data Enable, Output, High Active  
GPIO Port D Bit 11  
GPD[11]  
LVDATA[0]  
KPI_SO[0]  
GPC[0]  
LCD Interface Data Bit 0  
KPI Scan Out Bit 0  
GPIO Port C Bit 0  
LVDATA[1]  
KPI_SO[1]  
GPC[1]  
IOU  
IOU  
IOU  
IOU  
IOU  
IOU  
LCD Interface Data Bit 1  
KPI Scan Out Bit 1  
GPIO Port C Bit 1  
LVDATA[2]  
KPI_SO[2]  
GPC[2]  
LCD Interface Data Bit 2  
KPI Scan Out Bit 2  
GPIO Port C Bit 2  
LVDATA[3]  
KPI_SO[3]  
GPC[3]  
LCD Interface Data Bit 3  
KPI Scan Out Bit 3  
GPIO Port C Bit 3  
LVDATA[4]  
KPI_SO[4]  
GPC[4]  
LCD Interface Data Bit 4  
KPI Scan Out Bit 4  
GPIO Port C Bit 4  
LVDATA[5]  
KPI_SO[5]  
GPC[5]  
LCD Interface Data Bit 5  
KPI Scan Out Bit 5  
GPIO Port C Bit 5  
LVDATA[6]  
KPI_SO[6]  
LCD Interface Data Bit 6  
KPI Scan Out Bit 6  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 18 -  
N3291xUxDN Data Sheet  
I/O  
PIN NAME  
GPC[6]  
DESCRIPTION  
TYPE  
GPIO Port C Bit 6  
LVDATA[7]  
KPI_SO[7]  
GPC[7]  
IOU  
IOU  
LCD Interface Data Bit 7  
KPI Scan Out Bit 7  
GPIO Port C Bit 7  
LVDATA[8]  
KPI_SO[8]  
SPDATA[0]  
GPC[8]  
LCD Interface Data Bit 8  
KPI Scan Out Bit 8  
Sensor Interface Data Bit 0, Input  
GPIO Port C Bit 8  
LVDATA[9]  
KPI_SO[9]  
SPDATA[1]  
GPC[9]  
IOU  
IOU  
IOU  
IOU  
IOU  
LCD Interface Data Bit 9  
KPI Scan Out Bit 9  
Sensor Interface Data Bit 1, Input  
GPIO Port C Bit 9  
LVDATA[10]  
KPI_SO[10]  
SPDATA[2]  
GPC[10]  
LCD Interface Data Bit 10  
KPI Scan Out Bit 10  
Sensor Interface Data Bit 2, Input  
GPIO Port C Bit 10  
LVDATA[11]  
KPI_SO[11]  
SPDATA[3]  
GPC[11]  
LCD Interface Data Bit 11  
KPI Scan Out Bit 11  
Sensor Interface Data Bit 3, Input  
GPIO Port C Bit 11  
LVDATA[12]  
KPI_SO[12]  
SPDATA[4]  
GPC[12]  
LCD Interface Data Bit 12  
KPI Scan Out Bit 12  
Sensor Interface Data Bit 4, Input  
GPIO Port C Bit 12  
LVDATA[13]  
KPI_SO[13]  
SPDATA[5]  
GPC[13]  
LCD Interface Data Bit 13  
KPI Scan Out Bit 13  
Sensor Interface Data Bit 5, Input  
GPIO Port C Bit 13  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 19 -  
N3291xUxDN Data Sheet  
I/O  
TYPE  
IOU  
PIN NAME  
LVDATA[14]  
DESCRIPTION  
LCD Interface Data Bit 14  
KPI Scan Out Bit 14  
KPI_SO[14]  
SPDATA[6]  
GPC[14]  
Sensor Interface Data Bit 6, Input  
GPIO Port C Bit 14  
LVDATA[15]  
KPI_SO[15]  
SPDATA[7]  
GPC[15]  
IOU  
LCD Interface Data Bit 15  
KPI Scan Out Bit 15  
Sensor Interface Data Bit 7, Input  
GPIO Port C Bit 15  
LVDATA[16]  
SHSYNC  
IOU  
IOU  
LCD Interface Data Bit 16  
Sensor Interface HSYNC, Input  
GPIO Port E Bit 0  
GPE[0]  
LVDATA[17]  
SVSYNC  
LCD Interface Data Bit 17  
Sensor Interface VSYNC, Input  
Low Voltage Detect Output  
GPIO Port E Bit 1  
LVD_OUT  
GPE[1]  
UART Interface  
URTXD  
IOU  
UART TX Data, Output  
SPI1_CS1_  
UHL_DP1  
ISCK  
SPI Port 1 Device Select 1, Output, Low Active  
USB 1.1 Host Lite Port 1, D+  
I2C Serial Clock  
GPA[10]  
GPIO Port A Bit 10  
URRXD  
IOU  
UART RX Data, Input  
LMVSYNC  
S2FIELD  
UHL_DM1  
ISDA  
MPU Mode VSYNC, Output  
CMOS Image Sensor Field Indicator  
USB 1.1 Host Lite Port 1, D-  
I2C Serial Data  
GPA[11]  
GPIO Port A Bit 11  
SPI 0 Interface  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 20 -  
N3291xUxDN Data Sheet  
I/O  
TYPE  
IOU  
PIN NAME  
SPI0_CLK  
DESCRIPTION  
SPI Port 0 Clock  
Output in Master Mode  
Input in Slave Mode  
GPIO Port D Bit 12  
GPD[12]  
SPI0_CS0_  
IOU  
SPI Port 0 Device Select 0, Low Active  
Output in Master Mode  
Input in Slave Mode  
GPD[13]  
SPI0_DI  
GPIO Port D Bit 13  
IOU  
IOU  
SPI Port 0 Data Input  
UHL_DP0  
GPD[14]  
USB 1.1 Host Lite Port 0, D+  
GPIO Port D Bit 14  
SPI0_DO  
UHL_DM0  
LVD_OUT  
GPD[15]  
SPI Port 0 Data Output  
USB 1.1 Host Lite Port 0, D-  
Low Voltage Detect Output  
GPIO Port D Bit 15  
SD Card Interface  
SDCLK  
IOU  
IOU  
IOU  
IOU  
IOU  
IOU  
SD Port 0 Clock, Output  
GPIO Port E Bit 7  
GPE[7]  
SDCMD  
SD Port 0 Command/Response  
GPIO Port E Bit 6  
GPE[6]  
SDDAT[0]  
GPE[2]  
SD Port 0 Data Bit 0  
GPIO Port E Bit 2  
SDDAT[1]  
GPE[3]  
SD Port 0 Data Bit 1  
GPIO Port E Bit 3  
SDDAT[2]  
GPE[4]  
SD Port 0 Data Bit 2  
GPIO Port E Bit 4  
SDDAT[3]  
GPE[5]  
SD Port 0 Data Bit 3  
GPIO Port E Bit 5  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 21 -  
N3291xUxDN Data Sheet  
I/O  
PIN NAME  
DESCRIPTION  
TYPE  
GPIO A  
GPA[0]  
IOU  
IOU  
GPIO Port A Bit 0  
S2PCLK  
CMOS Image Sensor PCLK  
GPIO Port A Bit 1  
GPA[1]  
S2CLKO  
CMOS Image Sensor MCLK  
SD_CD_  
GPA[3]  
KPI_SI[0]  
GPA[4]  
SD Card Detect, Input, Low Active  
GPIO Port A Bit 3  
IOU  
IOU  
KPI Scan In Bit 0  
GPIO Port A Bit 4  
SPI0_CS1_  
KPI_SI[1]  
SPI Port 0 Chip Select 1  
KPI Scan Out Bit 2  
GPA[5]  
IOU  
IOU  
GPIO Port A Bit 5  
UHL_DP0  
KPI_SI[2]  
USB Host 1.1 Lite Port 0, D+  
KPI Scan In Bit 2  
GPA[6]  
GPIO Port A Bit 6  
UHL_DM0  
KPI_SI[3]  
USB Host 1.1 Lite Port 0, D-  
KPI Scan In Bit 3  
RTC (Real Time Clock)  
RTC_XIN (32768Hz)  
RTC_XOUT (32768Hz)  
RTC_RWAKE_  
RTC_RPWR  
I
O
32768Hz Crystal Input  
32768Hz Crystal Output  
I
Wakeup Enable, Input, Low Active  
Power Enable, Open-Drain  
OD  
USB 2.0 Device Interface  
UD_CDET  
I
USB Device Connect Detect, Input, High Active  
USB 2.0 Device D+  
UD_DP  
IO  
IO  
IO  
UD_DM  
USB 2.0 Device D-  
UD_REXT  
External Resistor Connect  
Recommend to connect 12.1Kresistor to ground for USB 2.0 PHY  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 22 -  
N3291xUxDN Data Sheet  
I/O  
PIN NAME  
DESCRIPTION  
TYPE  
TV Out  
TVDAC_TVOUT  
O
Composite/Chroma Output  
Connect an external 75resistor to ground of TVDAC as TV terminal  
impedence  
SPI1_CLK  
I2S_DOUT  
ISCK  
O
O
SPI Port 1 Serial Clock  
I2S Serial Data Output  
I2C Serial Clock  
IO  
IO  
GPG[2]  
GPIO Port G bit 2  
TVDAC_REXT  
IO  
External Resistor Connection  
Recommend to connect 160resistor to ground of TVDAC  
SPI Port 1 Chip Select  
SPI1_CS0_  
I2S_BCLK  
O
I
I2S Bit Clock  
GPG[3]  
IO  
O
GPIO Port G bit 3  
TVDAC_COMP  
External Capacitor Connection  
Connect 0.1uF capacitor to VDD33 of TVDAC  
SPI Port 1 Serial Data Input  
SPI1_DI  
I2S_WS  
I
O
IO  
O
I2S Interface Word Select, Output  
GPG[4]  
GPIO Port G bit 4  
TVDAC_VREF  
Reference Voltage Output  
Connect 0.1uF capacitor to ground of TVDAC  
SPI Port 1 Serial Data Output  
SPI1_DO  
I2S_MCLK  
ISDA  
O
O
I2S Master Clock  
I2C Serial Data  
GPIO Port G bit 5  
IO  
IO  
GPG[5]  
ADC & Touch Panel  
MIC_BIAS  
I
I
I
MIC ADC Bias Voltage  
I2S Bit Clock  
I2S_BCLK  
GPG[11]  
GPIO Port G bit 11  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 23 -  
N3291xUxDN Data Sheet  
I/O  
TYPE  
I
PIN NAME  
PGC_VREF  
DESCRIPTION  
PGC Voltage Reference  
I2S Master Clock  
I2S_MCLK  
GPH[0]  
O
IO  
I
GPIO Port H bit 0  
ADC_AIN[3]  
ADC_AIN[2]  
ADC_AIN[1]  
MIC_N  
ADC Analog Input Channel 3  
ADC Analog Input Channel 2  
ADC Analog Input Channel 1  
Microphone Negative Input  
I2S Serial Data Input  
I
I
I
I2S_DI  
I
GPG[9]  
I
GPIO Port G bit 9  
ADC_AIN[0]  
MIC_P  
I
ADC Analog Input Channel 0  
Microphone Positive Input  
I
I2S_WS  
O
IO  
I2S Interface Word Select, Output  
GPIO Port G bit 10  
GPG[10]  
ADC_TP_YP  
SPI1_CLK  
ISCK  
I
Touch Panel YP  
O
SPI Port 1 Serial Clock  
I2C Serial Clock  
IO  
IO  
GPG[12]  
GPIO Port G bit 12  
ADC_TP_XP  
SPI1_CS0_  
GPG[13]  
I
O
IO  
I
Touch Panel XP  
SPI Port 1 Chip Select  
GPIO Port G bit 13  
Touch Panel XM  
ADC_TP_XM  
SPI1_DI  
I
SPI Port 1 Serial Data Input  
GPIO Port G bit 14  
Touch Panel YM  
GPG[14]  
IO  
I
ADC_TP_YM  
SPI1_DO  
ISDA  
O
IO  
IO  
SPI Port 1 Serial Data Output  
I2C Serial Data  
GPG[15]  
GPIO Port G bit 15  
Audio DAC  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 24 -  
N3291xUxDN Data Sheet  
I/O  
TYPE  
O
PIN NAME  
DESCRIPTION  
Audio Headphone Right Channel Output  
ADAC_HPOUT_R  
ADAC_HPOUT_L  
ADAC_VREF  
O
O
Audio Headphone Left Channel Output  
Audio DAC Reference Voltage Output  
Recommend to connect 1uF capacitor to ground of Audio DAC  
Power/Ground  
MVDD18  
P
P
P
P
P
P
P
G
P
G
P
G
P
P
G
SDRAM I/F Power (1.8V)  
SDRAM I/F Power (1.8V)  
RTC Core, I/F & 32768Hz Crystal Power  
USB 2.0 PHY Power (3.3V)  
USB 2.0 PHY Power (1.8V)  
TV DAC Power (3.3V)  
MVDDQ18  
RTC_VDD33  
UD_VDD33  
UD_VDD12  
TVDAC_VDD33  
ADC_VDD33  
ADC_VSS33  
ADAC_HPVDD33  
ADAC_HPVSS33  
ADAC_AVDD33  
ADAC_VSS33  
VDD33  
ADC Power (3.3V)  
ADC Ground (0V)  
Audio DAC Headphone Driver Power (3.3V)  
Audio DAC Headphone Driver Ground (0V)  
Audio DAC Power (3.3V)  
Audio DAC Ground (0V)  
I/O Power (3.3V)  
VDD18  
Core Logic Power (1.8V)  
Ground (0V)  
VSS  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 25 -  
N3291xUxDN Data Sheet  
4.2 Pin Type Description  
TYPE  
I
DESCRIPTION  
Input  
O
Output  
OD  
IO  
Open Drain output  
Input / Output  
IOD  
IOU  
IOSU  
P
Input with pull-Down / Output  
Input with pull-Up / Output  
Input with Schmitt trigger & pull-Up/ Output  
Power  
G
Ground  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 26 -  
 
N3291xUxDN Data Sheet  
5. ELECTRICAL SPECIFICATION  
5.1 Absolute Maximum Rating  
PARAMETERS  
VALUES  
Ambient Temperature  
-20 °C ~ 85 °C  
-40 °C ~ 125 °C  
-0.3V ~ 3.6V  
-0.5V ~ 1.8V  
-0.5V ~ 4.6V  
100mA  
Storage Temperature  
Voltage On Any Pin  
Power Supply Voltage (Core Logic)  
Power Supply Voltage (I/O Buffer)  
Injection Current (Latch-Up Testing)  
Crystal Frequency  
2MHz ~ 27MHz  
5.2 DC Characteristics (Normal I/O)  
SYMBOL  
PARAMETER  
CONDITION  
MIN.  
TYP.  
MAX.  
UNIT  
VDD33  
I/O Buffer Post-Driver  
Voltage  
3.0  
3.3  
3.6  
V
Core  
and  
Logic  
I/O  
Buffer  
Driver  
Voltage  
Pre-  
VDD12  
300MHz  
1.08  
1.7  
1.2  
1.32  
1.9  
V
1.8  
MVDD18  
RTC_VDD  
IRTC_VDD  
VIH  
DRAM Power Voltage  
RTC Power Supply  
RTC Supply Current  
Input High Voltage  
Input Low Voltage  
V
V
-
2.0  
3.6  
-
-
4
uA  
V
-
2.0  
VDD33+0.3  
0.8  
-
VIL  
-0.3  
V
Schmitt Trigger Low to  
High Threshold Point  
VT+  
VT-  
1.5  
0.9  
1.7  
1.9  
1.2  
V
V
Schmitt Trigger High to  
Low Threshold Point  
1.1  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 27 -  
 
 
 
N3291xUxDN Data Sheet  
SYMBOL  
PARAMETER  
CONDITION  
MIN.  
TYP.  
MAX.  
UNIT  
FCPU = 300MHz,  
MCLK = 150MHz,  
VDD12 = 1.2V  
Core Power Supply  
Current  
ICC  
-
-
mA  
TBD  
-
IL  
Input Leakage Current  
20  
mA  
uA  
Tri-State  
Output  
TBD  
IOZ  
Leakage Current  
RPU  
RPD  
VOL  
VOH  
IOL  
Pull-Up Resistor  
61  
76  
112  
156  
kΩ  
kΩ  
V
Pull-Down Resistor  
Output Low Voltage  
Output High Voltage  
Low Level Output Current  
57  
80  
-
-
0.4  
-
-
2.4  
4.2  
8.4  
4.7  
9.4  
V
4W I/O, VOL = 0.4V  
8W I/O, VOL = 0.4V  
6.5  
13.0  
9.6  
8
mA  
mA  
mA  
mA  
16.0  
14.9  
29.8  
IOH  
High Level Output Current 4W I/O, VOH = 2.4V  
8W I/O, VOH = 2.4V  
19.2  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 28 -  
N3291xUxDN Data Sheet  
5.3 Audio DAC Characteristics  
Conditions: AVDD:3.3V, VDD:1.2V, TA:25, Fsignal:1KHz, Fsampling:48KHz, MCLK:256xFsampling  
PARAMETER  
Operating Voltage AVDD  
MIN  
TYP  
3.3  
MAX  
UNIT  
3.0  
3.6  
V
V
V
1.08  
1.34  
Operating Voltage VDD  
Reference Voltage  
1.2  
-
-
AVDD/2  
Line Output  
-
-
Resolution  
16  
-90  
Bit  
dB  
-
-
-76  
L-Channel Total Harmonic Distortion (THD)  
R-Channel Total Harmonic Distortion (THD)  
Dynamic Range (-60dB input, A-weighted)  
SNR (A-weighted)  
-76  
-90  
dB  
90  
90  
-
-
-
-
-
-
101.6  
101.6  
100  
0.2  
dB  
dB  
Channel Separation  
dB  
-
Channel Matching  
dB  
-
Full Scale output voltage  
Load Resistor  
AVDD(3.3)  
-
Vrms  
Kohm  
pF  
10  
-
-
50  
-
-
Load Capacitor  
-
100  
Analog Mute  
dB  
Headphone Output  
-
-
-
Maximum Output Power (Po) @ 32ohm load  
Maximum Output Power (Po) @ 16ohm load  
L-Channel SNR (A-weighted)  
31  
mW  
mW  
dB  
-
90  
90  
-
62  
-
96  
96  
-
R-Channel SNR (A-weighted)  
dB  
-70  
-70  
L-Channel THD @ 32ohm load, Po=10mW  
R-Channel THD @ 32ohm load, Po=10mW  
-76  
-76  
dB  
-
dB  
Power Supply Current in Normal Mode (including PLL, no loading)  
-
-
-
-
AVDD(3.3V)  
VDD (1.2V)  
8.7  
0.7  
mW  
mW  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 29 -  
 
N3291xUxDN Data Sheet  
5.4 ADC Characteristics  
PARAMETER  
MIN.  
TYP.  
MAX.  
UNIT  
SAR ADC Input Voltage Range  
Resolution of ADC  
3.0  
-
-
-
3.6  
10  
V
bit  
Signal-to-Noise Plus Distortion of ADC from  
Line In  
-
-60  
-
dB  
Integral Non-Linearity of ADC  
Differential Non-Linearity of ADC  
No Missing Code  
-
-
-
-
±2.0  
±0.8  
10  
-
LSB  
LSB  
bit  
-
-
AD Conversion Rate=ADCCLK/16  
-
150  
KHz  
5.5 AC Characteristics (Digital Interface)  
5.5.1 Clock Input Characteristics  
TXIN  
XIN  
TXINWH  
T
XINWL  
F
XIN = 1 / TXIN  
XINDUTY = TXINWH / ( TXINWH + TXINWL  
)
SYMBOL  
FXIN  
PARAMETER  
Clock Input Frequency  
Clock Input Duty Cycle  
MIN.  
-
TYP.  
12 / 27  
50  
MAX. UNIT  
-
MHz  
%
XINDUTY  
45  
55  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 30 -  
 
 
N3291xUxDN Data Sheet  
5.6 Thermal characteristics of SLQFP-128 Package  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 31 -  
 
N3291xUxDN Data Sheet  
6. ORDERING INFORMATION  
PART NO.  
PACKAGE TYPE  
DESCRIPTION  
Cost-effective package with 32Mbx16 DDR2 inside,  
without OVG accelerator.  
N32916U1DN  
LQFP-128, MCP  
Cost-effective package with 32Mbx16 DDR2 inside and  
OVG accelerator.  
N32916U2DN  
N32915U3DN  
N32915U4DN  
LQFP-128, MCP  
LQFP-128, MCP  
LQFP-128, MCP  
Cost-effective package with 16Mbx16 DDR2 inside,  
without OVG accelerator.  
Cost-effective package with 16Mbx16 DDR2 inside and  
OVG accelerator.  
6.1 Part Number Definition  
6.2 Difference between N3291xU1(3)DN and N3291xU2(4)DN  
N3291xU1DN/N3291xU3DN  
-
N3291xU2DN/N3291xU4DN  
OpenVG(OVG) Accelerator  
V
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 32 -  
 
 
 
N3291xUxDN Data Sheet  
7. PACKAGE OUTLINE  
7.1 128L LQFP (14X14X1.4mm body, 0.4mm pitch)  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 33 -  
 
 
N3291xUxDN Data Sheet  
8. REVISION HISTORY  
Version  
Date  
Description  
Initial release.  
A0  
Aug. 1, 2012  
Change Operation Temperature Range  
Add N32916U2DN ordering information.  
A1  
A2  
A3  
Oct. 1, 2012  
Oct. 25, 2012  
Jun. 1, 2013  
Add Part Number Definition  
Add N32915UxDN Parts Information  
Add MVDD18 Votage Range  
Important Notice  
Nuvoton Products are neither intended nor warranted for usage in systems or equipment, any malfunction or  
failure of which may cause loss of human life, bodily injury or severe property damage. Such applications are  
deemed, “Insecure Usage”.  
Insecure usage includes, but is not limited to: equipment for surgical implementation, atomic energy control  
instruments, airplane or spaceship instruments, the control or operation of dynamic, brake or safety systems  
designed for vehicular use, traffic signal instruments, all types of safety devices, and other applications  
intended to support or sustain life.  
All Insecure Usage shall be made at customer’s risk, and in the event that third parties lay claims to Nuvoton  
as a result of customer’s Insecure Usage, customer shall indemnify the damages and liabilities thus incurred  
by Nuvoton.  
Nuvoton Technology Corp.  
http://www.nuvoton.com/  
Release Date: Jun. 2013  
Revision A3  
- 34 -  
 

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