JVC KD-SX60WT Service Manual page 41

6.11 UPD178078GF-622 (IC701) : System CPU
• Pin Layout
80
81
100
1
• Pin function
Pin No. Symbol
1 NO USE
2 BUS-INT
3 BUS-SI
4 BUS-SO
5 BUS-SCK
6 to8 NO USE
9 VOL-DA
10 VOL-CLK
11 NO USE
12 LCD-DA
13 LCD-CLK
14 BUS-I/O
15 NO USE
16 LCD-CE
17 SW2
18 PSW
19,20 NO USE
21 VOL-1
22 VOL-2
23 KEY0
24 KEY1
25 KEY2
26 LEVEL
27 AVDD
28 SM
29 NO USE
30 DOOR SW
31 NO USE
32 AVSS
33 REGCPU
34 VDD
35 REGOSC
36 X2
37 X1
38 GND0
39 SD/ST
40 GND2
41 NO USE
51
50
31
30
I/O
O OUTPUT L
I JVC BUS COMMUNICATION LINE
I J-BUS data input
O J-BUS data output
I/O J-BUS clock input/output
O OUTPUT L
I/O VOL IC COMMUNICATION LINE
O VOL IC COMMUNICATION LINE
O OUTPUT L
O LCD DRIVER COMMUNICATION LINE
O LCD DRIVER COMMUNICATION LINE
O JVC BUS OUTPUT SELECT
O OUTPUT L
O LCD DRIVER COMMUNICATION LINE
I CD MECHA SW
I CD MECHA SW
O OUTPUT L
I ENCODER INPUT
I ENCODER INPUT
I KEY INPUT
I KEY INPUT
I KEY INPUT
I AUDIO LEVEL INPUT
- -
I SIGNAL LEVEL METER INPUT
I -
I DOOR OPEN SW
I -
- -
- -
- -
- -
- SYSTEM CLOCK
I SYSTEM CLOCK
- -
I STATION DETECTOR & STEREO IND.
- -
O OUTPUT L
Function
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