Sony DP-IF5100, Руководство по обслуживанию

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5-1. IC PIN DESCRIPTIONS
5-1-1. IC201 µPD784216 (PROGRAM, SYSTEM CONTROL)
Pin No. Pin Name I/O Pin Description
1 RTP0/P120 O Analog circuit block mute signal output (H: Mute)
2 RTP1/P121 O D/A mute signal output (H: Mute)
3 RTP2/P122 O IF circuit block power control signal output (H: ON)
4 RTP3/P123 O Main circuit block power control signal output (H: ON)
5 RTP4/P124 O DIR block clock select signal output (H: Digital, L: Analog)
6 RTP5/P125 O DIR serial select signal output
7 RTP6/P126 — Not used. (Open)
8 RTP7/P127 — Not used. (Open)
9 VDD I Power supply pin
10 X2 O Connect to crystal for main system clock oscillator
11 X1 I Connect to crystal for main system clock oscillator
12 VSS — Ground
13 XT2 — Not used. (Open)
14 XT1 — Not used. (Fix to “L”.)
15 RESET I Reset signal input
16 INTP0/P00 I DIR audio data detect signal input
17 INTP1/P01 — Not used. (Open)
18 INTP2/P02 O Sub DSP serial select signal output
19 INTP3/P03 O Decoder serial select signal output
20 INTP4/P04 O Main DSP serial select signal output
21 INTP5/P05 O SLAVE reset signal output
22 INTP6/P06 I DIR lock signal input
23 AVDD I Power supply pin
24 AVREF0 — Ground
25 ANI0/P10 I DSP serial BUSY 5 V signal input
26 ANI1/P11 — Not used. (Open)
27 ANI2/P12 I Not used. (Open)
28 ANI3/P13 I Not used. (Open)
29 ANI4/P14 I Not used. (Open)
30 ANI5/P15 I Auto mute detect signal (L: OFF, H: ON)
31 ANI6/P16 — Not used. (Open)
32 ANI7/P17 I Audio input level signal input
33 AVSS — Analog ground
34 ANO0/P130 — Not used. (Open)
35 ANO1/P131 — Not used. (Open)
36 AVREF1 I Power supply pin
37 SI2 I Main serial data signal input
38 SO2 O Main serial data signal output
39 SCK2 O Main serial clock signal output
40 SI1 I Main serial data signal input
41 SO2 O Not used. (Open)
42 SCK1 O Main serial clock signal output
43 PCL/P23 O Main DSP reset signal output
44 BUZ/P24 — Not used.
45 SI0 I LED/FLASH serial data signal input
46 SO0 O LED/FLASH serial data signal output
47 SCK0 O LED/FLASH serial clock signal output
48 A0/P80 O Main DSP mute signal output
49 A1/P81 O Not used. (Main DSP ATT setting bit HIGH)
50 A2/P82 O Not used. (Main DSP ATT setting bit LOW)
51 A3/P83 O Main DSP ALC ON signal output
SECTION 5
DIAGRAMS
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