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WT6148-N40 [ETC]

Digital Monitor Controller (ROM Type); 数字监控控制器（ ROM类型）
WT6148-N40
型号： WT6148-N40
厂家： ETC    ETC
描述：

Digital Monitor Controller (ROM Type)
数字监控控制器（ ROM类型）

监控 控制器
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Weltrend Semiconductor, Inc.  
WT6148/WT6160  
Digital Monitor Controller  
(ROM Type)  
Preliminary Data Sheet  
REV. 1.02  
Sep. 4, 02  
The information in this document is subject to change without notice.  
Ó
Weltrend Semiconductor, Inc. All Rights Reserved.  
WT6148/WT6160v1.02  
Digital Monitor Controller  
GENERAL DESCRIPTION  
The WT6148/ WT6160 is a microcontroller for digital controlled monitor. It contains an 8-bit CPU, 48K  
/60K bytes ROM, 1056 bytes RAM, 14 PWMs, parallel I/Os, SYNC signal processor, timer, DDC1/2B  
interface, master/slave I2C interface, 6-bit A/D converter and watch-dog timer.  
FEATURES  
·
·
8-bit 6502 compatible CPU with 6MHz operating frequency  
WT6148 : 48K bytes ROM,  
WT6160 : 60K bytes ROM,  
,1024 bytes SRAM+32 bytes bit addressable SRAM  
12MHz crystal oscillator  
14 channels 8-bit PWM outputs  
Sync signal processor with H+V separation, H/V frequency counter, H/V polarity detection/control  
and clamp pulse output  
·
·
·
·
·
·
·
·
·
·
·
·
·
Six free-running sync signal outputs (Horizontal frequency up to 106KHz 85Hz@1600x1200)  
Self-test pattern  
DDC1/2B module for EDID1.3, EDID2.0 and Enhance EDID  
Fast mode master/slave I2C interface (up to 400KHz)  
Watch-dog timer  
Maximum 28 programmable I/O pins  
One 8-bit programmable timer  
6-bit A/D converter with 4 selectable inputs  
One external interrupt request input  
Low VDD reset  
ORDERING INFORMATION  
Package Type  
42-pin PDIP  
Part Number  
WT6148/ WT6160-N42  
WT6148/ WT6160-K42  
WT6148/ WT6160-N40  
WT6148/ WT6160-S44  
WT6148/ WT6160-L44  
42-pin Shrink PDIP  
40-pin PDIP  
44-pin SOP  
44-pin PLCC  
Weltrend Semiconductor, Inc.  
Page 2  
WT6148/WT6160v1.02  
Digital Monitor Controller  
PIN ASSIGNMENT AND PACKAGE TYPE  
42-pin SPDIP  
40-pin PDIP  
1
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
PWM2  
PWM1  
2
VIN  
PWM2  
PWM1  
1
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
VIN  
3
HIN  
2
HIN  
PWM0  
4
PWM3  
PWM0  
3
PWM3  
RESET/3V3  
VDD  
5
PD5/PWM4  
PD4/PWM5  
PD3/PWM6  
PD2/PWM7  
PD1/HOUT  
PD0/VOUT  
PA7/PWM13/CLAMP  
PA6/PWM12  
PA5/PWM11  
PA4/PWM10  
PA3/PWM9  
PA2/PWM8  
PA1/SCL1  
PA0/SDA1  
PC0/AD0  
RESET/3V3  
VDD  
4
PD5/PWM4  
PD4/PWM5  
PD3/PWM6  
PD2/PWM7  
PD1/HOUT  
PD0/VOUT  
PA7/PWM13/CLAMP  
PA6/PWM12  
PA5/PWM11  
PA4/PWM10  
PA3/PWM9  
PA2/PWM8  
PA1/SCL1  
PA0/SDA1  
PC0/AD0  
6
5
GND  
7
GND  
6
OSCO  
8
OSCO  
7
OSCI  
9
OSCI  
8
PB5/SDA2  
PB4/SCL2  
PB3/PAT  
PB2  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
PB5/SDA2  
PB4/SCL2  
PB3/PAT  
PB2  
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
WT6148-N40  
WT6160-N40  
WT6148-K42  
WT6160-K42  
PB1/HFI  
PB0/HFO  
IRQ  
PB1/HFI  
PB0/HFO  
IRQ  
PC7/SOGIN  
PC6  
PC7/SOGIN  
PC6  
PC5  
PC5  
PC4  
PC1/AD1  
PC4  
PC1/AD1  
PC3/AD3  
PC2/AD2  
PC3/AD3  
PC2/AD2  
44-pin SOP  
44-pin PLCC  
1
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
PWM2  
PWM1  
2
VIN  
3
HIN  
PWM0  
4
PWM3  
RESET/3V3  
VDD  
5
PD5/PWM4  
PD4/PWM5  
VDD  
GND  
7
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
PD5/PWM4  
PD4/PWM5  
PD3/PWM6  
PD2/PWM7  
PD1/HOUT  
6
8
7
OSCO  
OSCI  
9
GND  
OSCO  
8
PD3/PWM6  
10  
11  
12  
13  
14  
15  
16  
17  
9
PD2/PWM7  
PD1/HOUT  
PD0/VOUT  
PB5/SDA2  
PB4/SCL2  
PB3/PAT  
OSCI  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
PD0/VOUT  
WT6148-L44  
WT6160-L44  
PB5/SDA2  
PB4/SCL2  
PB3/PAT  
PB2  
PA7/PWM13/CLAMP  
PA6/PWM12  
PA5/PWM11  
PA4/PWM10  
PA3/PWM9  
PA7/PWM13/CLAMP  
PA6/PWM12  
PA5/PWM11  
PA4/PWM10  
PA3/PWM9  
PA2/PWM8  
PA1/SCL1  
PB2  
PB1/HFI  
PB0/HFO  
IRQ  
WT6148-S44  
WT6160-S44  
PB1/HFI  
PB0/HFO  
IRQ  
PC7/SOGIN  
PC6  
PA0/SDA1  
PC5  
PC0/AD0  
PC4  
PC1/AD1  
PC3/AD3  
PC2/AD2  
Weltrend Semiconductor, Inc.  
Page 3  
WT6148/WT6160v1.02  
Digital Monitor Controller  
PIN DESCRIPTION  
Pin No.  
Pin Name I/O  
Description  
L44 S44 42 40  
1
2
3
4
5
6
7
-
1
2
3
4
5
-
6
7
8
9
1
2
3
4
5
-
6
-
7
8
9
-
NC No Connection.  
1
2
3
4
-
5
-
6
7
8
9
PWM2  
PWM1  
PWM0  
/RESET  
NC  
VDD  
NC  
GND  
O PWM2 output (10V open-drain).  
O PWM1 output (5V open-drain).  
O PWM0 output (5V open-drain).  
I
Reset input  
No Connection.  
+5V power supply.  
No Connection.  
Ground.  
8
9
OSCO  
OSCI  
PB5/ SDA2  
I/O 12MHz oscillator output.  
12MHz oscillator input.  
10 10  
11 11 10  
12 12 11 10 PB4/ SCL2  
13 13 12 11 PB3/PAT  
14 14 13 12 PB2  
I
I/O Port B5 or I2C interface data line.  
I/O Port B4 or I2C interface clock line.  
I/O Port B3 or test pattern output  
I/O Port B2.  
15 15 14 13 PB1/HFI  
16 16 15 14 PB0/HFO  
17 17 16 15 /IRQ  
I/O Port B1 or half frequency divider input.  
I/O Port B0 or half frequency divider output.  
I
Interrupt request input. A low level on this can generate  
interrupt.  
18 18 17  
6
PC7/SOGIN I/O Port C7 or Sync on Green input.  
19 19 18 17 PC6  
I/O Port C6.  
20 20 19 18 PC5  
I/O Port C5.  
21 21 20 19 PC4  
I/O Port C4.  
22 22 21 20 PC3/AD3  
23 23 22 21 PC2/AD2  
24 24 23 22 PC1/AD1  
25 25 24 23 PC0/AD0  
26 26 25 24 PA0/SDA1  
27 27 26 25 PA1/SCL1  
I/O Port C3 or ADC input 3.  
I/O Port C2 or ADC input 2.  
I/O Port C1 or ADC input 1.  
I/O Port C0 or ADC input 0.  
I/O Port A0 or DDC interface SDA pin.  
I/O Port A1 or DDC interface SCL pin.  
28 28 27 26 PA2/PWM8 I/O Port A2 or PWM8 output.  
29 29 28 27 PA3/PWM9 I/O Port A3 or PWM9 output.  
30 30 29 28 PA4/PWM10 I/O Port A4 or PWM10 output.  
31 31 30 29 PA5/PWM11 I/O Port A5 or PWM11 output.  
32 32 31 30 PA6/PWM12 I/O Port A6 or PWM12 output.  
33 33 32 31 PA7/PWM13/ I/O Port A7 or PWM13 output or clamp pulse output.  
CLAMP  
34 34 33 32 PD0/VOUT  
35 35 34 33 PD1/HOUT  
I/O Port D0 or Vsync output.  
I/O Port D1 or Hsync output.  
36 36 35 34 PD2/PWM7 I/O Port D2 or PWM7 output.  
37 37 36 35 PD3/PWM6 I/O Port D3 or PWM6 output.  
-
38  
-
-
NC  
No Connection.  
38 39 37 36 PD4/PWM5 I/O Port D4 or PWM5 output.  
39 40 38 37 PD5/PWM4 I/O Port D5 or PWM4 output.  
40 41 39 38 PWM3  
41 42 40 39 HIN  
42 43 41 40 VIN  
I/O PWM3 output (10V open-drain).  
I
I
Hsync Input.  
Vsync input.  
Weltrend Semiconductor, Inc.  
Page 4  
WT6148/WT6160v1.02  
Digital Monitor Controller  
43  
-
-
-
-
NC  
NC  
No Connection.  
No Connection.  
44 44 42  
FUNCTIONAL DESCRIPTION  
CPU  
8-bit 6502 compatible CPU operates at 6MHz. Address bus is 16-bit and data bus is 8-bit.  
The non-maskable interrupt (/NMI) of 6502 is modified to be maskable and is defined as INT0 with higher  
priority. The interrupt request (/IRQ) of 6502 is defined as INT1 with lower priority.  
Please refer the 6502 reference menu for more detail.  
RAM  
The 1024 bytes SRAM include :  
128 bytes SRAM are from $0080H to $00FFH  
256 bytes SRAM are from $0100H to $01FFH  
256 bytes SRAM are from $0200H to $02FFH  
256 bytes SRAM are from $0300H to $03FFH  
128 bytes SRAM are from $0400H to $047FH  
The 32 bytes SRAM bit addressible are from $0500H to $05FFH  
ROM  
For WT6148, ROM address is located from $4000h to $FFFFh.  
For WT6160, ROM address is located from $1000h to $FFFFh.  
The following addresses are reserved for special purpose :  
$FFFAh (low byte) and $FFFBh (high byte) : INT0 interrupt vector.  
$FFFCh (low byte) and $FFFDh (high byte) : program reset interrupt vector.  
$FFFEh (low byte) and $FFFFh (high byte) : INT1 interrupt vector.  
Weltrend Semiconductor, Inc.  
Page 5  

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