52
Pin No.
Pin Name
I/O
Description
1
DVDD0
—
Digital power supply
2
XRST
I
System reset
3
MUTE
I
Muting selection pin
4
DATA
I
Serial data input, supplied from CPU
5
XLAT
I
Latch input, supplied from CPU
6
CLOK
I
Serial data transfer clock input, supplied from CPU
7
SENS
O
SENS output
8
SCLK
I
SENS serial data read-out clock
9
ATSK
I/O
Input pin for anti-shock (Ground)
10
WFCK
O
WFCK (Write Frame Clock) output (Not used)
11
XUGF
O
XUGF output (Not used)
12
XPCK
O
XPCK output (Not used)
13
GFS
O
GFS output (Not used)
14
C2P0
O
C2PO output
15
SCOR
O
Sub-code sync output
16
CM4
O
4.2336MHz output (Not used)
17
WDCK
O
48-bit slot D/A interface word clock (Not used)
18
DVSS
—
Digital ground
19
COUT
O
Numbers of track counted signal output (Not used)
20
MIRR
O
Mirror signal output (Not used)
21
DFCT
O
Defect signal output (Not used)
22
FOK
O
Focus OK output (Not used)
23
PWM1
I
(Not used)
24
LOCK
I/O
GFS in sampled by 460Hz (Not used)
25
MDP
O
Output to control spindle motor servo
26
SSTP
I
Input signal to detect disc inner most trak
27
FST0
O
2/3 divider output (Not used)
28
DVDD1
—
Digital power supply
29
SFDR
O
Sled drive output
30
SRDR
O
31
TFDR
O
Tracking drive output
TEST pin connected normally ground
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