Sony CFD-S35CP - Page 44

44
CFD-S35CP
• IC Pin Function Description
MAIN BOARD IC801 uPD784216AGF (SYSTEM CONTROL)
Pin No. Pin Name I/O Description
1TU-CE O Tuner PLL chip enable signal output
2 TU-DATA O Tuner PLL data signal output
3 TU-CLK O Tuner PLL clock signal output
4 TU-COUNT I Tuner PLL data signal input
5 TU-MUTE O IF mute signal output
6 SIMUKE1 I Destination port input
7 SIMUKE2 I Destination port input
8 TEST B I Not used. (Pull down)
9 VDD — Power supply
10 TEST A I Not used. (Pull down)
11 EPROM-SCL O EEPROM serial clock output
12 EPROM-SDA I/O EEPROM serial data input/output
13 SIMUKE3 I Destination port input
14 to 16 NC — Not used. (Open)
17, 18 ISS1, ISS2 O Tuner beat change signal output
19 TU-ON O Tuner power supply control signal output
20 TAPE-ON O Tape power supply control signal output
21 CD-ON O CD power supply control signal output
22 TEST/VPP I Not used. (Pull down))
23, 24 NC — Not used. (Open)
25 SLEEP-LED O LCD back light control signal output
26, 27 NC — Not used. (Open)
28 MP3-LED O MP3 LED control signal output
29 LCD-RST O LCD driver reset signal output
30 LCD- C/D O LCD driver command data output
31 LCD CS O LCD driver chip select signal output
32 LCD DATA O LCD driver serial data output
33 LCD CLK O LCD driver serial clock signal output
34 NC — Not used. (Open)
35 FM/AM SHIFT O Tuner band control signal output
36 NC — Not used. (Open)
37 VDD — Power supply
38 X2 O Oscillation signal output (5 MHz)
39 X1 I Oscillation signal input (5 MHz)
40 VSS — Ground
41 XT2 O Not used. (Open)
42 XT1 I Not used. (connected ground)
43 RESET I System reset signal input
44 AC-CHK I AC power supply check signal input
45 RMC IN I Remote control signal input
46 WAKE-UP I Key interrupt signal input
47 INITLI I Mode read signal input
48 CD-DOOR I CD door detection signal input
49 INTB(MP3) I Interrupt signal input from MP3 decoder
50 WRQ(CD) I CD write request data input
51 AVDD — Power supply
52 AVREF0 I A/D reference voltage input