Diagrams; Ic Pin Description - Sony CDX-CA400 Product Guide Service Manual

3-1. IC PIN DESCRIPTION

• IC801 µPD780076GK-520-9ET (SYSTEM CONTROLLER)
Pin No. Pin Name
1 PH1
2 D SW
3 IN SW/PH2
4 LM LD
5 LM EJ
6 ATT
7 A ATT
8 PLL DI
9 VSSO
10 VDDO
11 PLL CLK
12 PLL DO
13 PLL CE
14 BEEP
15 L V CE
16 L V DO
17 L V CLK
18 BUS SI
19 BUS SO
20 BUS CLK
21 BUS CK GEN
22 AM ON
23 FM ON
24 VDD1
25 AVSS
26 ST IND
27 PH3
28 S METER
29 KEY0
30 KEY1
31 ROTARY (AD)
32 DST SEL
33 TEST
34 AVREF
35 LCD INH
36 RESET
37 XT2
38 XT1
39 IC
40 X2
41 X1
42 VSS1
43 KEY ACK
44 SIRCS
45 SELF SW
46 BU IN
47 NOSE
48 ILL ON
49 A REMO
50 CDM ON
51 XCD ON
SECTION 3

DIAGRAMS

I/O
I PH1 detection input (Not used in this set.)
I Down switch detection input
I Disc in switch detection input
O Loading motor drive output (Loading)
O Loading motor drive output (Eject)
O Line out mute control output
O Power amplifier mute control output
I PLL IC data input
— Ground pin
— Power supply pin (+5 V)
O PLL IC clock output
O PLL IC data output
O PLL IC chip enable output
O BEEP output of key beep, caution alarm
O Electric volume, LCD chip enable output
O Electric volume, LCD data output
O Electric volume, LCD clock output
I BUS interface serial input
O BUS interface serial output
I BUS interface serial clock input
O BUS interface serial clock output
O Tuner AM power supply control output
O Tuner FM power supply control output
— Power supply pin (+5 V)
— Ground pin
I FM stereo detection input
I PH3 detection input (Not used in this set.)
I S meter signal input
I A/D key input 0
I A/D key input 1
I Not used in this set.
I Destination select input (Connect to ground in this set.)
I Force test mode input
— A/D converter power supply pin (+5 V)
O INHIBIT control output of LCD
I Reset input ("L": reset detection)
O Sub clock output (32.768 kHz)
I Sub clock input (32.768 kHz)
— Connect to ground in this set.
O Master clock output (8.38 MHz)
I Master clock input (8.38 MHz)
— Ground pin
I Key acknowledge detection input
I Wireless remote control signal input
I Self switch detection input
I Backup power supply detection input
I Front panel attachment detection input
O Illumination power supply control output
O External amplifier remote control output
O CD mechanism deck power supply control output
O CD DSP IC 16 MHz X'tal on/off control output
CDX-CA400/CA530X/CA580X
Pin Description
13