KD-SX745,KD-SX695
1-38 (No.49811)
4.10 UPD178078GF-600 (IC701) : System CPU
• Pin Layout
• Pin function
80 ~ 51
1 ~ 30
50
~
31
81
~
100
Pin No.
Symbol
I/O
Function
1
NC
-
No use
2
JBUS-INT
I
JVC bus communication line
3
JBUS-SI
I
JVC bus communication line
4
JBUS-SO
O
JVC bus communication line
5
JBUS-SCK
O
JVC bus communication line
6,7,8
NC
-
No use
9
SDA
O
Serial data for volume
10
SCL
O
Serial clock for volume
11
NC
-
No use
12
LCD-DA
O
LCD driver serial data output
13
LCD-CLK
O
Serial data for LCD
14
JBUS-I/O
O
JVC bus output select
15
NC
-
No use
16
LCD-CE
O
LCD driver communication line
17
SW2
I
CD mecha switch
18
PSW
I
CD mecha switch
19
NC
-
No use
20
NC
-
Traverse mecha rest switch
21
ENC1
I
Encoder input
22
ENC2
I
Encoder input
23
KEY0
I
Key input
24
KEY1
I
Key input
Key input
Audio level input
Power supply
Signal level meter input
No use
No use
No use
Connect to GND
33
REGCPU
-
Connect to GND with capacitor
34
VDD
-
Power supply
35
REGOSC
-
Connect to GND don't have tap
36
X2
I
System clock
37
X1
-
System clock
38
GND0
-
Connect to GND
39
SD/ST
I
Station detector & Stereo indicator
40
GND2
-
Connect to GND
41
NC
-
No use
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2
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