79
HCD-HPZ7/HPZ9
• IC Pin Function Description
BD BOARD IC201 CXD3014-201R (RF AMP, DSP, MP3)
Pin No.
Pin Name
I/O
Description
1
LRCK
O
L/R sampling clock signal output
2
LRCKI
I
L/R sampling clock signal input
3
PCMD
O
PCM data output
4
PCMDI
I
PCM data input
5
BCK
O
Bit clock signal output
6
BCKI
I
Bit clock signal input
7
XTACN
I
Oscillation circuit
8
XRST
I
System reset signal input
9
VSS
—
Internal digital ground
10
IREQ-MP3
O
Data transfer request signal output to the system controller
11
CLOCK
I
Serial data transfer clock input from the system controller
12
D ATA2
I
Serial data input from the system controller
13
XLAT-MP3
I
Serial data latch pulse input from the system controller
14
REQ-MP3
I
Data transfer request signal input from the system controller
15
ACK-MP3
O
Acknowledge signal output to the system controller
16
XLAT
I
Latch input from the system controller
17
VDD
—
Power supply (+2.5V)
18
SVSS
—
Internal digital ground
19
SVDD
—
Power supply (+2.5V)
20
SENS
O
SENS output to the system controller
21
WFCK
O
WFCK output (Not used)
22
XUGF
O
XUGF output (Not used)
23
XPCK
O
XPCK output (Not used)
24
GFS
O
GFS output (Not used)
25
C2PO
O
C2PO output (Not used)
26
SCOR
O
High output when the subcode sync, S0 or S1, is detected
27
VDD
—
Power supply (+2.5V)
28
COUT
I/O
Track number count signal input/output (Not used)
29
SVSS
—
Internal digital ground
30
SVDD
—
Power supply (+2.5V)
31
MIRR
I/O
Mirror signal input/output (Not used)
32
DFCT
I/O
Defect signal input/output (Not used)
33
FOK
I/O
Focus OK signal input/output (Not used)
34
VSS
—
Internal digital ground
35
VDD
—
Power supply (+2.5V)
36
VSS
—
Internal digital ground
37
LOCK
I/O
GFS is sampled at 460Hz; when GFS is high , this pin outputs a high signal
If GFS is low eight consecutive (Not used)
38
MDP
O
Spindle motor servo control output
39
SSTP
I
Disk innermost detection signal input
40
IOVSS1
—
Internal digital ground
41
SFDR
O
Sled drive output
42
SRDR
O
Sled drive output
43
TFDR
O
Tracking drive output
44
TRDR
O
Tracking drive output
45
FFDR
O
Focus drive output
46
FRDR
O
Focus drive output
