Sony RM-AV2100B Operating Instructions (primary manual), Руководство по обслуживанию

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9
RM-AV2100B
Pin No. Pin Name I/O Pin Description
1,2 P26,27 O Segment signal output terminal.
3 P70 I Serial input.
4 P71 O Serial output.
5 P72 I Asynchronous serial clock.
6 VPP — Internally connected.
7 X2 O Crystal.(Main system clock)
8 X1 I Crystal.(Main system clock)
9 VDD — Power supply.
10 XT1 I Crystal.(Subsystem clock)
11 XT2 O Crystal.(Subsystem clock)
12 RESET I Reset.
13,14 P00,01 I Remote control signal received input.
15 P02 O Remote control signal received block ON/OFF output.
16 to 18 P03 to P05 O Terminals to white external memory is connected.
19 to 26 P110 to P117 I Segment signal input terminal.
27 AVSS — Ananog ground.
28 to 35 P10 to P17 I/O Analog data input.
36 VDD — Power supply.
37 AVREF I Analog reference voltage.
38 P100 O EL control output.(bright)
39 P101 O EL control output.(dark)
40 VSS — Ground.
41 P102 O Latch. (upper bits)
42 P103 I Power supply termina.
43 P30 O Remote control signal received output.
44 to 48 P31 to P35 O Segment signal output terminal.
49 P36 O Buzzer clock.
50 P37 O Latch. (lower bits)
51 to 54 COM0 to COM3 O Common clock.
55 BIAS — LCD power supply bias contorl.
56 to 58 VLC0-2 — LCD power supply.
59 VSS — Ground.
60 to 83 S0 to S23 O Segment signal output terminal.
84 to 99 S24 to S39 I/O Segment signal input/output terminal.
100 P25 O Segment signal output terminal.
4-3. IC Pin Function Description
• IC1 (
µ
PD780308024) (System Control)