JVC KD-LH3101 Service Manual page 56

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3 7 63 1515 0
4.26 UPD784217AGC220 (IC701) : CPU
• Pin layout
75
76
100
1
• Block diagram
Pin No Symbol
1 to 7 NC
8 ANT CONT
9 VDD
10 X2
11 X1
12 VSS
13 XT2
14 XT1
15 RESET
16 REMOCON
17 BUS-INT
18 PS2
19 CD-REQ
TE
L 13942296513
20 RDS-SCK
21 STEERING REMOCON
22 KEY DATA
23 AVDD
24 AVREF0
25 VOL1
26 VOL2
27 to 29 NC
30 MRC
31 SQ
32 SM
33 AVSS
34 NC
35 STAGE3
36 AVREF
37 BUS-SI
38 BUS-SO
39 BUS-SCK
40 BUS-I/O
41 DISP DA
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42 DISP SCK
43 DISP CE
44 BUZZER
.
45 E2PROM-DI
46 E2PROM-DO
47 E2PROM-CLK
1-56 (No.49843)
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51
50
26
25
I/O
- Not use
- Antenna remote control
- Power supply
-
-
- Ground
-
-
I System reset
I Remocon input
I J-BUS INT
I Power save2, H means STOP mode
I CD REQ INPUT
I Not use
I Steering remocon input
I KEY DATA
- A/D converter power supply
- A/D reference voltage
I Volume encoder pulse input 1
I Volume encoder pulse input 2
- Not use
I MRC input
I Not use, pull down
I S.METER input
- Ground
- Not use
I Feature selection, pull up
-
I J-BUS data input
O J-BUS data output
I/O J-BUS clock input/output
O J-BUS I/O selection output:H, input:L
O DISPLAY DATA output
O DISPLAY SCK
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O DISPLAY CE
y
O Buzzer output
i
I I2C data input
O I2C data output
O I2C clock output
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2 9
8
Function
Q Q
3 6 7 1 3 1 5
co
.
9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
9 9