Onkyo DV-CP500, Service Manual

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Microprocessor terminal description
FRONT IC91 CXP82532 PIN LIST
1 PE3/INT3 INPUT FOR EXTERNAL INTERRUPT REQUEST. I
2 PE4/RMC INPUT FOR REMOTE CONTROL RECEIVING CIRCUIT. I
3 PE5 - I
4 PE6 - O
5 PE7/TO OUTPUT PIN FOR 16-BIT TIME/COUNTER RECTANGULAR WAVEFORM. O
6 PBO/CINT EXTERNAL CAPTURE INPUT FOR 16-BIT TIME/COUNTER. I/O
7 PBI/'CSO CHIP SELLECT INPUT FOR SERIAL INTERFACE(CH0). I/O
8 PB2/'SCKO SERIAL CLOCK (CH0) INPUT/OUTPUT. I/O
9 PB3/SIO SERIAL DATA (CH0) INPUT. I/O
10 PB4/SOO SERIAL DATA (CH0) OUTPUT. I/O
11 PB5/'SCK1 SERIAL CLOCK (CH1) INPUT/OUTPUT. I/O
12 PB6/SI1 SERIAL DATA (CH1) INPUT. I/O
13 PB7/SO1 SERIAL DATA (CH1) OUTPUT. O
14 PCO/KRO KEY RETURN INPUT FOR FDP SEGMENT SIGNAL WITCH PERFORMS KEY SCANNING. I/O
15 PC1/KR1 KEY RETURN INPUT FOR FDP SEGMENT SIGNAL WITCH PERFORMS KEY SCANNING. I/O
16 PC2/KR2 KEY RETURN INPUT FOR FDP SEGMENT SIGNAL WITCH PERFORMS KEY SCANNING. I/O
17 PC3/KR3 KEY RETURN INPUT FOR FDP SEGMENT SIGNAL WITCH PERFORMS KEY SCANNING. I/O
18 PC4/KR4 KEY RETURN INPUT FOR FDP SEGMENT SIGNAL WITCH PERFORMS KEY SCANNING. I/O
19 PC5/KR5 KEY RETURN INPUT FOR FDP SEGMENT SIGNAL WITCH PERFORMS KEY SCANNING. I/O
20 PC6/KR6 KEY RETURN INPUT FOR FDP SEGMENT SIGNAL WITCH PERFORMS KEY SCANNING. I/O
21 PC7/KR7 KEY RETURN INPUT FOR FDP SEGMENT SIGNAL WITCH PERFORMS KEY SCANNING. I/O
22 PA0/AN0 ANALOG INPUT TO A/D CONVERTER. I/O
23 PA1/AN1 ANALOG INPUT TO A/D CONVERTER. I/O
24 PA2/AN2 ANALOG INPUT TO A/D CONVERTER. I/O
25 PA3/AN3 ANALOG INPUT TO A/D CONVERTER. I/O
26 PA4/AN4 ANALOG INPUT TO A/D CONVERTER. I/O
27 PA5/AN5 ANALOG INPUT TO A/D CONVERTER. I/O
28 PA6/AN6 ANALOG INPUT TO A/D CONVERTER. I/O
29 PA7/AN7 ANALOG INPUT TO A/D CONVERTER. I/O
30 'RESET SYSTEM RESET,ACTIVE "L" I/O
31 EXTAL CONNECTION FOR SYSTEM CLOCK OSCILLATION CRYSTAL. I
32 XTAL CONNECTION FOR SYSTEM CLOCK OSCILLATION CRYSTAL. -
33 VSS GND -
34 PD0/S0 8-BIT DEDICATED OUTPUT PORT/SEGMENT SIGNAL OUTPUT FOR FDP. O
35 PD1/S1 8-BIT DEDICATED OUTPUT PORT/SEGMENT SIGNAL OUTPUT FOR FDP. O
36 PD2/S2 8-BIT DEDICATED OUTPUT PORT/SEGMENT SIGNAL OUTPUT FOR FDP. O
37 PD3/S3 8-BIT DEDICATED OUTPUT PORT/SEGMENT SIGNAL OUTPUT FOR FDP. O
38 PD4/S4 8-BIT DEDICATED OUTPUT PORT/SEGMENT SIGNAL OUTPUT FOR FDP. O
39 PD5/S5 8-BIT DEDICATED OUTPUT PORT/SEGMENT SIGNAL OUTPUT FOR FDP. O
40 PD6/S6 8-BIT DEDICATED OUTPUT PORT/SEGMENT SIGNAL OUTPUT FOR FDP. O
41 PD7/S7 8-BIT DEDICATED OUTPUT PORT/SEGMENT SIGNAL OUTPUT FOR FDP. O
42 PF0/S8 8-BIT DEDICATED OUTPUT PORT/SEGMENT SIGNAL OUTPUT FOR FDP. O
43 PF1/S9 8-BIT DEDICATED OUTPUT PORT/SEGMENT SIGNAL OUTPUT FOR FDP. O
44 PF2/S10 8-BIT DEDICATED OUTPUT PORT/SEGMENT SIGNAL OUTPUT FOR FDP. O
45 PF3/S11 8-BIT DEDICATED OUTPUT PORT/SEGMENT SIGNAL OUTPUT FOR FDP. O
46 PF4/S12 8-BIT DEDICATED OUTPUT PORT/SEGMENT SIGNAL OUTPUT FOR FDP. O
47 PF5/S13 8-BIT DEDICATED OUTPUT PORT/SEGMENT SIGNAL OUTPUT FOR FDP. O
48 PF6/S14 8-BIT DEDICATED OUTPUT PORT/SEGMENT SIGNAL OUTPUT FOR FDP. O
49 PF7/S15 8-BIT DEDICATED OUTPUT PORT/SEGMENT SIGNAL OUTPUT FOR FDP. O
50 S16 SEGMENT SIGNAL OUTPUT FOR FDP. O
51 S17 SEGMENT SIGNAL OUTPUT FOR FDP. O
52 S18 SEGMENT SIGNAL OUTPUT FOR FDP. O
53 S19 SEGMENT SIGNAL OUTPUT FOR FDP. O
54 S20 SEGMENT SIGNAL OUTPUT FOR FDP. O
55 T15/S21 DUAL PURPOSE OUTPUT FOR FDP TIMING AND SEGMENT SIGNAL. O
56 T14/S22 DUAL PURPOSE OUTPUT FOR FDP TIMING AND SEGMENT SIGNAL. O
57 T13/S23 DUAL PURPOSE OUTPUT FOR FDP TIMING AND SEGMENT SIGNAL. O
58 T12/S24 DUAL PURPOSE OUTPUT FOR FDP TIMING AND SEGMENT SIGNAL. O
PIN
NUMBER
IN/OU
T
REMARK PIN NAME MAIN FUNCTION