Ic Pin Function Description - Sony ZS-X3CP Service Manual

5-16. IC PIN FUNCTION DESCRIPTION

• CDMP3 BOARD IC703 LC78683E-US-E (MP3 DECODER, CD-ROM DECODER, ANTI-SHOCK CONTROLLER)
Pin No. Pin Name
1 LRSY
2 ADDATA
3 ADBCK
4 ADLRCK
5 C2FIN
6 TEST1
7 CKIN
8 VSS
9 CKOUT
10 TEST2
11 DVDD1
12 PW
13 SBSY
14 SFSY
15 SBCK
16 AVDD
17 VPRFR
18 VCOC
19 VPDO
20 AVSS
21 DVDD2
22 VSS
MDATA0 to
23 to 30
MDATA7
31 DVDD3
32 VSS
MDATA8 to
33 to 40
MDATA15
41 RASB
42 WEB
43 CASLB
44 CASUB
45 OEB
MADRS12 to
46 to 49
MADRAS9
50
MADRAS8
51 DVDD4
52 VSS
MADRS7 to
53 to 60
MADRS0
61 DVDD5
62 VSS
63 STREQIO
64 STCKIO
65 STDATIO
66 FSYNC
I/O
I CD decode L/R sampling clock signal (44.1 kHz) input
O
Audio data output
O
Audio bit clock signal (2.8224 MHz) output
O
Audio L/R sampling clock signal (44.1 kHz) output
I CD C2 error flag input
I
Not used
I
System clock signal input (16.9344 MHz) terminal
—
Ground terminal
O Clock (384 Fs) signal output for the exteranak DF/DAC
I
Not used
—
Power supply terminal (+3.2V) (digital system) (for I/O)
I
CD subcode data serial input
I CD subcode block sync signal input
I
CD subcode frame sync signal input
O
CD subcode transfer serial clock signal output
—
Power supply terminal (+3.2V) (analog system) (for PLL)
— VCO oscillation range setting terminal
I
VCO control voltage input
O
VCO charge pump output
—
Ground terminal (analog system)
— Power supply terminal (+3.2V) (digital system)
—
Ground terminal
I/O Two-way data bus terminal for D-RAM
—
Power supply terminal (+3.2V) (digital system) (for I/O)
—
Ground terminal
I/O
Two-way data bus terminal for D-RAM
O
Row address strobe signal output "L": active
O
Data write enable signal output "L": active
O
Column address strobe signal output for lower byte "L": active
O
Column address strobe signal output for upper byte "L": active
O
Output enable signal output "L" active
O Address signal output terminal for D-RAM Not used
O
Address signal output terminal for D-RAM
—
Power supply terminal (+3.2V) (digital system) (for I/O)
— Ground terminal
O
Address signal output terminal for D-RAM
—
Power supply terminal (+3.2V) (digital system) (for the internal logic)
—
Ground terminal
I/O
MP3 data request flag input/output
I/O MP3 data transfer clock signal input/output
I/O
MP3 data input/output
O
MP3 frame synchronizing signal output
Description
ZS-X3CP
35