81
RCD-W222ES
I/O
Pin No.
Pin Name
1
AVDD3
—
Power supply (+5V)
2
BCENT
O
Center signal output
3
PHBETA
O
Data signal top level output to HD64F3064BFBL25
4
BHBETA
O
Data signal bottom level output to HD64F3064BFBL25
5
PHBTC
O
Not used (Connected to ground with capacitor)
6
BHBTC
O
Not used (Connected to ground with capacitor)
7
MPP
O
Not used (open)
8
TEIN
I
TE (tracking error) signal input
9
TE
O
TE (tracking error) signal output
10
FE
O
FE (focus error) signal output
11
SBAD
O
Not used (open)
12
TZCLVL
I
Not used (Connected to ground with capacitor)
13
VREF
I
Reference voltage input (+2.5V)
14
AGND1
O
Not used (Connected to ground with capacitor)
15
BIAS
O
Bias setting terminal (Connected to ground with resister)
16
VSS
—
Ground
17
FVREF
I
APC reference voltage input (+2.5V)
18
FPDO
I
LD monitor voltage input
19
RREF
I/O
Not used (Connected to ground with capacitor)
20
VRDC
O
Read LD control signal output
21
VRDCN
I
Read LD control AMP (-) input
22
VRDCN2
I
Read LD control time constant setting input
23
WREF
I/O
Not used (Connected to ground with capacitor)
24
WDAO
O
Not used (open)
25
AVDD2
—
Power supply (+5V)
26
AVSS2
—
Ground
27
VWDC
O
Write LD control signal output
28
VWDCN2
I
Write LD control time constant setting input
29
VWDCN
I
Write LD control AMP (-) input
30
ATFM
O
Not used (open)
31
AGC1C
O
AGC time constant setting terminal
32
AGC2C
O
AGC time constant setting terminal
33
AGC3C
O
AGC time constant setting terminal
34
AGND2
O
AGC time constant setting terminal
35
VSS
—
Ground
36
SGAINDN
I
Gain setting input
37
GAINUP
I
CD-RW select signal input
38
AGCON
I
Wobble AGC enable signal input
39
ATFG
O
ATIP FG signal output
40
XTOR
O
Not used (open)
41
XTAND
O
Tracking off detect signal output
42
TZC
O
Tracking zero cross detect signal output
43
RECD2
O
CD recoding area detect signal output
44
RECD1
O
Not used (open)
45
RC
O
RC signal output
46
DFCT
O
DFCT signal output
47
MIRR
O
MIRR signal output
48
MCLK1
I
Main clock input from LC89587-UK1-E
49
MCLK2
I
Not used (Connected to ground)
50
DVSS
—
Ground
51
DVDD
—
Power supply (+5V)
Description
• IC101 AK8567 (S/H,RF EQUALIZER,APC,SERVO ) (CD-R BOARD)