Sony D-EJ775 - IC Pin Function Description

30
D-EJ775
• IC801 T5AJ4-3N53 (SYSTEM CONTROLLER)
Pin No. Pin Name I/O Description
1 GND
— Ground terminal
2 XIN I System clock input from the DSP
3
XOUT O High frequency oscillator output terminal Not used
4
TEST I Test terminal for IC Not used
5
VCPU — Power supply terminal (+2V)
6 FOK I
Focus OK signal input from the DSP “L”: NG, “H”: OK
7XBUSY
I Auto sequencer status signal input from the DSP
8 XRESET I
System reset signal input from the power control “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
9 XSTOP I
Not used
10 P23
O Serial data latch signal output terminal Not used
11
SCOR I Subcode sync (S0+S1) detection signal input from the DSP
12
HPSW O Drive signal output to the headphone amplifier “H”: on
13 DEFECT
I Defect signal input from the DSP
14
XPOWLT O Serial data latch pulse signal output to the power control
15
R/XW O Serial data read/write signal output to the DSP
16 MSDTI
I Serial data input from the DSP
17 MSDTO
O Serial data output to the power control, spindle motor driver and DSP
18 SCK
O Serial data transfer clock signal output to the power control, spindle motor driver and DSP
19
VCPU — Power supply terminal (+2V)
20
VREFH I Reference voltage (+2V) input terminal
21 AD SEL I
Test terminal (A/D input) “L”: test
22 AD CHGMNT
I Battery charge voltage detection signal input from the power control (A/D input)
23 AD KEY 2
I Key input terminal (A/D input)
24 AD BATMNT
I Battery voltage detection signal input from the power control (A/D input)
25
WP/AD KEY 1 I Key input terminal (A/D input)
26 WP/AD RMKEY I Key input from the headphone with remote commander (A/D input)
27
WP/AD
DCINMNT
I DC input voltage detection signal input (A/D input)
28 WP/XOPEN I
CD lid open/close detection switch input terminal “L”: CD lid open
The stop status is reset with the falling edge of input signal
29
P50
O Not used
30 BEEP O Beep sound output to the headphone amplifier
31 TSB I/O Communication two-way data bus with the headphone with remote commander
32 VDD EEPROM — Power supply terminal Not used
33 P44 O Not used
34 XNONCHG I Charging feature detection signal input terminal Not used
35 XDRVLT O Serial data latch pulse signal output to the spindle motor driver
36 FRANCE I Destination setting terminal for French model only (fixed at “H”)
37 X4M/16M I D-RAM size setting terminal “L”: 4M bits, “H”: 16M bits Not used
38 CMPON I G-PROTECTION switch input terminal “H”: on
39 P46 O Not used
40 HOLD I HOLD switch input terminal “H”: hold on
41 to 56 SEG15 to SEG0 O Segment drive signal output terminal for the liquid crystal display Not used
57 to 60 COM3 to COM0 O Common drive signal output terminal for the liquid crystal display Not used
61 to 63 V3 to V1 O Liquid crystal display drive bias control signal output terminal Not used
5-19. IC PIN FUNCTION DESCRIPTION