33
1
O-K-SCAN
O
Switch scan timing output.
2
TUNER-ON
O
Tuner ON/OFF output.
3
O-DATA(M)
O
Data output for sound.
4
C
O
Digital out switch control signal output.
5
O-STB(M)
O
Latch strobe output for sound control.
6
O-MUTE
O
System mute ON/OFF output.
7
O-CLK(M)
O
Clock output.
8
I-TM-BASE
I
Time-base signal input.
9
O-POWER
O
System power supply ON/OFF output.
10
O-5VMRESET
O
Reset output for IC, CS8415A.
11
O-5VDSP/RESET
O
Reset output for IC, CS49326.
12
I-MIC
Connected to a pulled up resistor.
13
O-5VDSP/CSN
O
Chip select output for IC, CS49326.
14
O-5VMOSI
O
Serial control data for IC, CS4228A.
15
O-2VMISO(MISO)
O
Serial control data output for IC, CS49326.
16
O-5VSCK
O
Clock serial control output for IC, CS4228A.
17
IC
Connected to GND.
18
VSS
GND.
19
VDD
I
Power supply input.
20
O-2VINTRQ
O
Control port interrupt request output for IC, CS49326.
21
O-CLK-SW
O
Pre-emphasis output for IC, CS8415A.
22
I-RDS-DATA
I
RDS serial data input. (Not used)
23
O-5VMISO
O
Serial control data output for IC, CS8415A.
24
A
O
Digital out switch control signal output.
25
B
O
Digital out switch control signal output.
26
O-8415CSN
O
Chip select output for IC, CS8415A.
27
O-4228CSN
O
Chip select output for IC, CS4228A.
28
I-RDS-CLK
I
RDS clock input. (Not used)
Receiver error output for IC, CS8415A.
I
Reset input.
PLL IC chip enable output for IC, LC72131D-N.
ATT output for function tape.
Not used.
I
System remote control signal input.
Electronic volume for switch trim chip select output.
36
C-SHIFT
O
Micon clock shift output.
37
VDD1
I
Power supply input.
38 ~ 39
X2 ~ X1
4.19MHz oscillator circuit.
40
VSS1
GND.
41
AVDD
I
Power supply input.
42
HOLD
I
Power failure detected input "L" to stop and hold memory.
IC DESCRIPTION
IC, UPD780228GF-083
Pin No.
Pin Name
I/O
Description
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
