Sony CFD-S03CP - Page 37

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CFD-S03CP/S03CPL
• IC801 MB90802NPF-G-109E1 (SYSTEM CONTROL) (MAIN BOARD (2/3))
Pin No. Pin Name I/O Pin Description
1 O-POWER O System power control output H: Power ON
2 FM/AM SHIFT O system clock shift control signal output
3 A-MUTE O A-mute signal output H: mute on
4 CD-XRST O CD reset signal output
5 O-DATA-MP3 O MP3 serial data output
6O-CLK-MP3 O MP3 serial transfer clock output
7 I-DATA-MP3 I MP3 serial data input
8 I-CD-XLAT I CD LAT signal output
9 I-RMC I Remote commander receiver data input
10 O-XLAT-MP3 O MP3 LAT signal output
11 O-STBY-MP3 O CD mechanical mute signal output
12 O-RQ-MP3 O MP3 chip select signal output
13 X0A — Not used (Open)
14 X1A — Not used (Open)
15 VCC — Power supply (+3.3 V)
16 VSS — Ground
17 M-BASS O MEGA BASS control signal output
18 LID-OPEN I CD door open/close switch input L: Close
19 O-TU-CE O Tuner PLL chip enable signal output
20 O-TU-CLK O Tuner PLL serial transfer clock output
21 O-TU-DATA O Tuner PLL serial data output
22 I-TU-COUNT I Tuner PLL serial data input
23 O-CD-CLT O CD power control signal output H: CD ON
24 TAPE PLAY I Tape play switch signal input
25 TAPE REC I Tape record switch signal input H: REC
26 O-CD-XTCN O CD DSP oscillation control signal output
27 I-RQ-MP3 I MP3 REQ signal input
28 I-ACK-MP3 I MP3 acknowledgment detect signal input
29 I-CD-SENS I CD SENS signal input
30 O-CD-CLK O CD command transfer clock output
31 O-CD-CMD O CD command data output
32 AVCC — Power supply (+3.3 V)
33 VOL DATA O Volume command serial data output
34 VOL CLK O Volume command serial transfer clock output
35 AGND — Ground
36 REQ-CHK I Power supply CD 3.3V check signal input
37 BTT-CHK-H I Power supply 9V check signal input
38 V-CHECK I Power supply 6V check signal input
39 I-KEY0 I Key input
40 I-KEY1 I Key input
41 I-KET2 I Key input
42 WAKE-UP I Key wake-up signal input
43 I-CD-SCOR I CD Q-data request signal input
44 VSS — Ground
45 AC-CHK I AC IN check signal input
46 SDA I/O EEPROM serial data input/output
47 SCL O EEPROM transfer clock output
48 I-SUFFIX I Suffix distinction input
49 ISS1 O ISS control signal output