32
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Pin Assignment
Pin No.
Name
Analog
Digital
Pin Description
Type
Type
1
AVDD
P
Analog power
2
FPDI
I
Laser power monitor output
3
FVREF
I
APC reference voltage
4
FPDO
O
Laser power monitor output
5
WREF
I/O
Power setting input/output voltage for write APC
6
VWDC
O
Laser driver control output for write.
7
VWDC1
O
Auxiliary laser driver control output for write.
8
VWDC2
O
Auxiliary laser driver control output for write.
9
VWDCN
I/O
Laser driver control input for write.
10
RREF
I/O
Power setting input/output voltage for read APC
11
VRDCN
I/O
Laser driver control input for read.
12
VRDC
O
Laser driver control output for read.
13
VRDC1
O
Laser driver control output for CDRW read
14
RBIAS
I/O
Reference current setting pin
15
AVSS
G
Analog ground
16
2VREF
I/O
2x Reference voltage (4.2V)
17
AVDD
P
Analog power
18
CEO
O
Center position signal
19
CEP
I/O
Gain and fc setting node for center position signal
20
CEN
I/O
Gain and fc setting node for center position signal
21
RP1
O
RF ripple signal
22
RPBC
I
Ripple balance
23
RPCT
I
Ripple center input
24
RP2
O
RF ripple signal
25
RPIN
I
AC-coupled RP input
26
RPDC
O
DC-coupled RP signal output
27
BS
O
Beam strength
28
TE
O
Tracking Error output
29
TEIN
I
External bypass TE input
30
FE
O
Focus error output
31
VREF
I/O
Reference voltage (2.1V)
32
TEBC
I
Tracking Error Balance
33
EQRFP
O
Equalized RF output (+ve)
34
EQRFN
O
Equalized RF output (-ve)
35
AGCCAP1
I/O
AGC1 gain control node
36
AGCCAP2
I/O
AGC2 gain control node
37
AGCCAP3
I/O
AGC3 gain control node
38
AVDD1
P
Analog power
39
ATFM
O
Wobble signal output
40
AVSS
G
Analog ground
41
ATFG
O
Digital wobble signal output.
42
BPFCLK
I
ATIP band-pass filter clock input.