Pioneer SX-SW77, Руководство по обслуживанию

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SX-SW77
60
1 2 3 4
1 2 3 4
C
D
F
A
B
E
PDC128A (MAIN ASSY : IC5501)
• System Control Microcomputer
Pin Function
No. Mark Pin Name I/O Pin Function
1 PA3/WR# O
2 PA4/RD# O
3 PA5/RS O
4 P70 / INT0 / T0LCP / AN8 PDNDET I Powerdown Detection
5 P71 / INT1 / T0HCP / AN9 P_ON I REMOCON 2 ( Power On )
6 P72 / INT2 / T0IN RDSCLK I (O) Clock input from RDS decoder (Interruption 2, without RDS : Low output)
7 P73 / INT3 / T0IN REMOCON I REMOCON signal input (Interruption 3)
8 RES# XRESET I Microcomputer reset input
9 XT1 / AN10 XT1
−
Subclock (connect to VDD when no use)
10 XT2 / AN11 XT2
−
Subclock (leave open when no use, and set the bit 6 of OCR SFR)
11 VSS1 VSS1
−
Ground
12 CF1 CF1
−
Main Clock (connect to VDD when no use)
13 CF2 CF2
−
Main Clock (leave open when no use)
14 VDD1 VDD1
−
Power supply
15 P80 / AN0 SIMUKE I Destination distinction input
16 P81 / AN1 MODEL I Model distinction input
17 P82 / AN2 O
18 P83 / AN3 O
19 P84 / AN4 KEY2 I Key2 input
20 P85 / AN5 O
21 P86 / AN6 PCONFIG I POWER CONFIG INPUT
22 P87 / AN7 XPROTECT I Protection and Fan Error detection input
23 P10/SO0 DSPDI O Data output to DSP (MOTOROLA) and DIR
24 P11 / SI0 / SB0 DSPDO I Data input from DSP (MOTOROLA)
25 P12 / SCK0 DSPCK O Clock output to DSP (MOTOROLA) and DIR
26 P13 / SO1 O
27 P14 / SI1 / SB1 DASDA I (O) I2C data for D-AMP
28 P15 / SCK1 DASCK O I2C clock for D-AMP
29 P16/T1PWML O
30 P17/T1PWMH/BUZ O
31 PE0 O
32 PE1 O
33 PE2 ADMD O
Control of DSPMUTE combining DIRERR., "H" at digital mode, "L" at analog mode.
34 PE3 O
35 PE4 XDSPMUTE O MUTE requeat to DSP MODULE
36 PE5 (LED) O Control for subwoofer mix
37 PE6 XDEC MUTE I Detection of 1stDSP boot success from DSP MODULE
38 PE7 DSPHREQ I Error detection from DSP(MOTOROLA)
39 VSS4 VSS4
−
Ground
40 VDD4 VDD4
−
Power supply