–
17
–
M-16
80
PCO
O
Phase comparison output for playback EFM master PLL.
M-15
78
RFI
I
Playback EFM RF signal input.
L-17
84
PEAK
I
Laser power signal peak hold input (from CXA2523AR).
L-16
83
CLTV
I
Internal VCO control voltage input for playback EFM master PLL.
L-15
82
FILO
O
Filter output for playback EFM master PLL.
K-17
87
FE
I
Focus error signal input (from CXA2523AR).
K-16
86
ABCD
I
Laser power signal input (from CXA2523AR).
K-15
85
BOTM
I
Laser power signal bottom-hold input (from CXA2523AR).
J-17
90
ADIO
O
Not used.
J-16
89
VC
I
Midpoint voltage input (from CXA2523AR).
J-15
88
AUX1
I
Auxiliary A/D input.
(Connect to analog power supply when not in use).
H-17
93
AVS2
–
Analog GND.
H-16
91
ADRT
I
Output voltage for the upper limit of A/D converter operation.
H-15
92
AVD2
–
Analog power supply (2.4V).
G-17
94
ADRB
I
Output voltage for the lower limit of A/D converter operation.
G-16
95
SE
I
Sled error input (from CXA2523AR).
G-15
96
TE
I
Tracking error input (from CXA2523AR).
F-17
99
ADFG
I
ADIP binary FM signal input (22.05+-1kHz) (from CXA2523AR).
F-16
98
APC
I
Error input signal for laser digital APC (Auto Power Control) (from CXS2523AR).
(Connect to analog power supply when not in use).
F-15
97
DCHG
I
Connect to low impedance analog power supply.
E-17
101
VSIO2
–
VSS for I/O cell.
E-16
102
F0CNT
O
Control output for CXA2523AR filter cutoff.
E15
100
VDIO2
–
VDD for I/O cell (2.4V).
D-17
105
DTRF
O
Data output for CXA2523AR control.
D-16
104
CKRF
O
Clock output for CXA2523AR control.
D-15
103
XLRF
O
Latch output for CXA2523AR control.
A-17
–
NC
–
Not connected.
B-17
–
NC
–
Not connected.
C-17
107
LDDR
O
PWM output for laser digital APC.
A-16
–
NC
–
Not connected.
B-16
–
NC
–
Not connected.
C-16
106
APCREF
O
Reference PWM output for laser APC.
A-15
110
TFDR
O
Tracking servo drive PWM output (+).
B-15
109
TRDR
O
Tracking servo drive PWM output (–).
C-15
–
NC
–
Not connected.
A-14
112
FRDR
O
Focus servo drive PWM output (–).
B-14
111
FFDR
O
Focus servo drive PWM output (+).
C-14
108
VDC4
–
VDD for internal logic (1.8V).
A-13
116
VSC4
–
GND for internal logic.
Pin No.
Circuit Pin No.
Pin Name
I/O
Description
