CECL08D [ETC]
CECL08D主控IC;
ETC 
5
4
3
2
1
当断电要保持时钟
RTCVCC可从电池不经开关取电。
RTCVCC加一个2.2UF电容
RTCVCC电压为3V-5V,电流为18UA左右
当断电不要保持时钟时直通VCC33
RTCVCC
:
SDC
,
22U
VCC33
4.7R
MCU
,
C1
VCC33
MEMORY
IR
C5
10uF
IC1
SDVCC
R1
SDCARD
VCC33
INT1
R2
4.7K
C2 10U
VCC33
VCC33
0
1
2
C4
0.68U
IC2
SDC_IN
TF_IN
C3
1
2
3
4
8
7
6
5
3V-5V1
2.2UF
I2CSCL
I2CSDA
R6 10K
11
10
8
7
6
5
4
3
2
U2
WP
CD
DAT1
DAT0
VSS
CLK
VDD
VSS
INT2
INT2
If IR used, need pull high INT1
10
8
7
6
5
4
2
1
9
WP
DAT1
DAT0
VSS
CLK
VDD
CMD
DAT3
DAT2
24C02
SDCD0
SDCD0
R9 10K
VCC33
X12MI
RTCVCC
X32I
X32O
SDCCLK
SDVCC
SDCCLK
SDVCC
SDCCMD
1
2
3
4
5
6
7
8
9
36
35
34
33
32
31
30
29
28
27
26
25
VSS_REG
V18
VCC33
VCC18
IOA0
IOA1
IOA2
IOA3
IOA15
IOA4
IOA5
IOA6
Status LED
D
C
B
A
P12M_VLF
V33_RTC
X32KI
D
C
B
A
IOA0
IOA1
IOA2
IOA3
IOA15
IOA4
IOA5
IOA6
VSS-IO
IOA7
SDCCMD
CMD
DAT3
DAT2
VCC33
1
9
X32KO
VSS-RTC
LINEIN0
LINEIN1
V33_ADDA
DACOL
AD_key
IOC0
VCC33
DAC_L
VDACREF
DAC_R
U4
SDCON
C6
10U
R12
R13
R14
NC
10K
NC
U1
SDCON
3.3V
D1
RED
led_0603
10
11
12
DAVREF
DACOR
IOA7
R16
330
R-0805
R17 10K/NC
J1
AD_key2
AD_key1
LCD5x8
R20
R21
IOA15
IOA3
IOA2
IOA1
IOA0
IOA4
IOA5
IOA6
IOA7
IOA8
IOA9
IOA10
IOA11
LCD5x8_COM4
LCD5x8_COM3
LCD5x8_COM2
LCD5x8_COM1
LCD5x8_COM0
LCD5x8_SEG0
LCD5x8_SEG1
LCD5x8_SEG2
LCD5x8_SEG3
LCD5x8_SEG4
LCD5x8_SEG5
LCD5x8_SEG6
LCD5x8_SEG7
S1
S2
1
2
3
4
5
6
7
8
9
10
11
12
13
1.5k
1.5k
0.2V play
0.2V play
0.4V prev/-
0.6V next/+
0.8V PREV
1.0V NEXT
1.2V VOL-
1.4V VOL+
1.6V POWER
1.8V MODE
2.0V EQ
S3
S4
R25
R29
3.3k
5.1k
R26
R30
3.3k
5.1k
0.4V next/+
0.6V prev/-
0.8V power
1.0V mute
1.2V mode
1.4V clock
1.6V alarm
1.8V U/SD
2.0V REPEAT
2.2V EQ
S5
S6
R31
R34
R37
R39
R41
R44
R46
R48
R50
R52
R55
R59
7.5k
10k
R32
R35
R38
R40
R42
R45
R47
R49
R51
R53
R56
R60
7.5k
10k
S7
S8
GND
R33
NC
VCC33
S9
S10
S12
S14
S16
S18
S20
S22
S24
S26
S28
S30
13.6k
18k
13.6k
18k
S11
S13
S15
S17
S19
S21
S23
S25
S27
S29
R36
4.7K
CON14
RLC1
RESETB
VCC33
VCC33
Y1
VCC18
C7
0.1U
C8
10U
C9
47nF
22k
22k
DLC1
CR1
0.1U
32768
47-220
LED
C10
0.1U
C11
0.1U
C12
10U
C13
10U
C14
0.1U
12M
背光
C15
22P
C16
22P
30k
30k
R43
7.5K
C16A1
3.3nF
36k
36k
IOA13 RLC2
47K
QLC1
2N3904
47k
47k
2.2V REPEAT
2.4V MUTE
2.6V U/SD
62k
62k
2.4V
F
注：外接电位器时功放输入端选RR(LL)端，不使用外接电位器时功放输入端接R(L)
端
91k
91k
AUDIO
2.6V F+
2.8V F-
SP1
ROUT
130k
240k
130k
240k
IOA13
JP2
RA1 240R
RA2 240R
C17
C18
10uF
10uF
2.8V F-
3.0V F+
R
NETC40_2
NETC41_2
DAC_R
DAC_L
5
4
3
2
1
IOA13上电低电平一秒后高电平
3.0V PLAY/MODE
IOC0
RL1
CL1
47K
105
AD_key
AD_key
RR
LL
VCC33
VCC33
UL1
R61
R62
IOC0
HEADER 4_7
24K
24K
1
2
3
4
8
7
6
5
Shutd OUT-
BypassGND
VCC
+IN OUT+
AGND R58
0R
R(RR)
CL2
RL2
224
104
5V
外接电位器
IOCO可做MUTE IO
-IN
4.7K
NC
AD_key1及时钟闹钟开
AD_key2及时钟闹钟关
CL3
GND R63
NC
IOA7
CECL2009
IOA10
IOC0
R54
R57
10K/NC
10K/NC
R63
SP2
LOUT
10K
RL3
47K
AUX
J4
USB_4P_AF
USB-A-SMD
CL4
105
J3
UL2
C19
C20
10uF
10uF
HOST
R64
R65
200K LINE_Audio_L
200K LINE_Audio_R
3
2
1
1
2
3
4
8
7
6
5
Shutd OUT-
BypassGND
VCC
+IN OUT+
AGND
L(LL)
CL5
RL4
224
104
5V
GND
4
3
2
1
NC
10K
无卡无
无卡无
U
U
时到FM
时到AUX
R54
R57
-IN
4.7K
R66
R67
33R
33R
DP
DN
CL6
CON3
CECL2009
RL5
47K
5V
NC
AUX--ON
AUX--OFF
IOA11
R68
10K/NC
GND
NC
10K
FM---ON
FM---OFF
R68
10K
注：不使用MUTE功能时功放
1
脚可直接接地
FM
CL6017G收音原理图
BK1080IC原理参考
AR1015收音IC原理参考
10R
FM_ROUT
FMVCC
R69
VCC33
CF1
223
FM_LOUT
CF2
223
FGND
CF5
CL6017S
UF3
C21
CF3
ANT
101
CF9
39P
X32KO
UF1
CF4
106
105
R70
R71
SDA
SCLK
FGND
1
2
3
4
5
10
9
8
7
6
SDA
VDD
LOUT
ROUT
GND
SCLK
XTAL
RF
GND
NC
FGND
FMVCC
FM_LOUT
FM_ROUT
FGND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
UF2
GPIO1
GND
GND
FMIN
GND
GND
SCLK
SDA
GPIO2
GPIO3
GND
ROUT
LOUT
GND
FGND
FGND
FGND
0
GND
VCC33
CF8
106
CF10
102
ANT
105
FGND
RF1
0R/nc
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
RLOUT
LOUT
VDD
VCO-LP
VCO-LN
GND
GND
VDD
SCLK
IOA12
I2CSDA
101
10K
FMVCC
SCLK
SDA
FM_OSC
FGND
FM_ROUT
FM_LOUT
FGND
FMVCC
FM_OSC
FMVCC
LF1
CF6
SCLK
SDIO
OSC
GND
DPLL
GND
SDA
LF2
AR1015(MSOP-10)
18PF
SCLK
SDA
VDD
RCLK
FM_OSC C22
X32O
FGND
100NH
56NH
APLL
RFIN
FM_LOUT
FM_ROUT
ANT
C23
C24
105
R73
R74
200k FM_Audio_R
200k
FM_Audio_L
CF8
CF7
106
CF9
470nf
FGND
220NF CF10
101
FGND
105
ANT
注：尽量参考AR1015设计
5
4
3
2
1
相关型号：
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