Sony CSD-MP100 - Page 21

21
CSD-MP100
1 CQ-WRQ I CD write request data input
2 MP3-INTB I MP3 interrupt signal iput
3 CD-DO O CD data output
4 CD-DI I CD data input
5 CD-CL O CD clock output
6 MP3-CMDOUT O MP3 command serial data output
7 MP3-CMDIN I MP3 command serial data input
8MP3-CL O MP3 command serial clock output
9MP3-CE O MP3 command chip enable output
10 CD-CE O CD chip enable output
11 I-RES I CPU reset input
12 XT1 I Crystal oscillator (32.768 kHz) input
13 XT2 O Crystal oscillator (32.768 kHz) output
14 VSS1 — Ground
15 CF1 I Ceramic oscillator (4.19 MHz) input
16 CF2 O Ceramic oscillator (4.19 MHz) output
17 VDD1 — Power supply pin (+3.3 V)
18 O-CLKSFT O CPU main clock shift output
19 BATT-CHK-1 I Battery check input
20 BATT-CHK-2 I Battery check input
21 BATT-CHK-3 I Battery check input
22 SDA O EEPROM data output
23 SCL O EEPROM clock output
24 I-MATRIX I Tuner select matrix input
25 I-AC/DC I AC/DC discrimination signal input
26 R-MUTE O Tuner IF mute signal output
27 I-HOLD I Hold mode detection signal input
28 CD-TEST I CD test mode discrimination signal input
29 I-REM I Remocon data input
30 I-BEAT I AM beat select detection signal input
31 R-COUNT I Tuner data input
32 R-CLK O Tuner clock output
33 R-DATA O Tuner data output
34 R-CE O Tuner chip enable output
35 (NCO) O Not used. (Open)
36 O-BEAT1 O AM beat select signal output
37 O-BEAT2 O AM beat select signal output
38 to 45 (NCO) — Not used. (Open)
46 CD — Not used. (Open)
47 RMC I Remocon select signal input
48 I-TAPE I Tape play mode detection signal input
49 CD-DOOR I CD door OPEN/CLOSE detection signal input
50 SEG1 O LCD segment data output
51 SEG2 O LCD segment data output
52 SEG3 O LCD segment data output
53 SEG4 O LCD segment data output
54 VDD2 — Power supply pin (+3.3 V)
55 VSS2 — Ground
56 SEG5 O LCD segment data output
57 SEG6 O LCD segment data output
58 SEG7 O LCD segment data output
59 SEG8 O LCD segment data output
• IC601 LC877480B-51F5-E (SYSTEM CONTROL) (MAIN BOARD)
Pin No. Pin Name I/O Pin Description