JVC KD-SH707 Service Manual page 48

KD-SH707
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UPD784217AGC176 (IC701) : CPU
1. Pin layout
75 ~ 51
1 ~ 25
2. Pin function (1/2)
Pin No. Symbol
1 5 NC
6 CD-MUTE
7 CD-REST
8 ANT REM
9 VDD
10 X2
11 X1
12 VSS
13 XT2
14 XT1
15 RESET
16 P.REQ
17 BUS-INT
18 PS2
TE
L 13942296513
19 NC
20 RDS-SCK
21 RDS-DA
22 REMOCON
23 AVDD
24 AVREF0
25 SD/ST
26 MRC DATA
27 KEY0
28 KEY1
29 TEMP
30 LEVEL
31 SQ
32 SM
33 AVSS
34 INLOCK
35 NC
36 AVREF
37 BUS-SI
38 BUS-SO
39 BUS-SCK
40 LCD-CE1
41 LCD-DA
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42 LCD-CL
43 LCD-CE2
44 BUZZER
45 EPDAI
1-48
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I/O Function
- Non connect
O CD MUTE
O CD REST
O Antenna remote output
- 5V connection
- Connect to X'tal for main clock
- Connect to X'tal for main clock
- Connect to GND
- Connect to X'tal for sub clock
- Connect to X'tal for sub clock
I Reset detection terminal
O Mechanism power supply ON/OFF demand output ("L" on demand)
I J-BUS signal interrupt input
I Power save 2
- Non connect
I Clock input for RDS
I RDS data input
I Remocon signal input
I 5V connect
I 5V connect
I Station detector, Stereo signal input
I MRC data input
I Key input 0
- Key input 1
I Temperature data input for contrast correction
- Level meter input
I S.quality level input
- S.meter level input
- Connect to GND
I Lock detection output
O Non connect
I/O 5V connect
I J-BUS data input
O J-BUS data output
O J-BUS clock input/output
O Chip enable 1 out put for LCD driver
O Data output for LCD driver
O Clock output to LCD driver
x ao
y
O Chip enable 2 out put for LCD driver
O Buzzer output
. i
I Communication data input 12C
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