Sony CDX-3167 - 4 Diagrams; IC Pin Description

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SECTION 4
DIAGRAMS
4-1. IC PIN DESCRIPTION
• IC800 µPD17017GF-B28-3B9 (SYSTEM CONTROL)
Pin No. Pin Name I/O Pin Description
1 CD SO/VOL DATA O CD serial data/electric volume serial data output pin
2 VOL CLK O Electric volume serial clock output pin
3 SENSE I CD sens signal input pin
4 ST/MONO O FM/AM select pin
5 ACC I Accessory power (ACC) voltage detection pin
6 FOK I Focus OK signal input pin
7 CD-LAT O CD latch signal output pin
8 SQCKO O Sub code Q data read clock output pin
9 CD RST O CD reset signal output pin
10 SQ SI I Sub code Q data input pin
11 NC — Not used. (Connect to GND.)
12 SCOR I Sub code sync detection signal input pin
13 BUIN I Power for operation (BATT) voltage detection pin
14 CDMON O Mechanism deck section power supply control pin
15 ILL ON O Illumination power supply control pin
16 LD ON O Laser power ON/OFF control pin
17 FM/AM O FM/AM select pin
18 SEEKOUT O SEEK OUT signal output pin
19 PW-ON O System power supply control pin
20 LCL/DX O LOCAL/DX select pin
21 BEEP O Beep sound output pin
22 VOL CE O Electric volume serial chip enable output pin
23 LM EJ O Loading motor control pin (Eject direction)
24 LM LOD O Loading motor control pin (Loading direction)
25 MUTE O Audio mute signal output pin
26 FM IF I FM IF counter input pin
27 AM IF I AM IF counter input pin
28 NOSE SW I Front panel with/without detection input pin
29 SD/ST I During SEEK operation, station detection input pin.
30 VDD1 — Power supply pin
31 VCOL I AM OSC signal input pin
32 VCOH I FM OSC signal input pin
33 GND — GND
34 XOUT O System clock output pin (4.5 MHz)
35 XIN I System clock input pin (4.5 MHz)
36 EO0 O Charge pump output pin
37 EO1 — Not used.
38 NC — Not used. (Fixed at “H”.)
39, 40 NC — Not used.
41 VDD2 — Power supply pin
42 EMPH.O O De-emphasis control pin
43, 44 COM1, COM0 O Not used.
45 LCDSO O LCD serial data output pin
46 LCDCKO O LCD serial clock output pin
47 LCDINH O LCD blank display control output pin
48 LCDCE O LCD chip enable output pin