RXD-M55-H/M55-N/M55-S/M55E-H/M55E-N/M55E-S
11
CIRCUIT DESCRIPTION
Pin No.
Pin Name
I/O
Pin Description
26
KICK
O
Kick pulse output for tracking driver.
27
TRD
O
Tracking servo drive PWM output (-).
28
FOD
O
Focus drive output.
29
VREF
I
Reference power supply for DA output pin.
30
FBAL
O
Focus balance adjusting output.
31
TBAL
O
Tracking balance adjusting output.
32
TE
I
Tracking error signal input.
33
FE
I
Focus error signal input.
34
RFENV
I
RF envelope signal input.
35
VDET
I
VDET input (connected to be ground).
36
OFT
I
Off track signal input. "H" : Off Track
37
TRCRS
I
CROSS input pin.
38
RFDET
I
RF detector signal input pin.
39
BDO
I
Drop out signal input. "H" : Drop Out
40
LDON
O
Laser on signal output.
41
PLLF2
-
Unused.
42
TOFS
-
Unused.
43
WVEL
-
Unused.
44
ARF
I
RF signal input.
45
IREF
I
Reference current input pin.
46
DRF
I
DSL bias pin.
47
DSLF
O
DSL loop filter pin.
48
PLLF
O
PLL loop filter pin.
49
VCOF
-
Analog power supply.
50
AVDD2
-
Analog power supply.
51
AVSS2
-
Analog ground.
52
EFM/CK384
-
Unused.
53
PCK/DSLB
-
Unused.
54
VCOF2
O
Jitter free VCO loop filter pin.
55
SUBC
-
Unused.
56
SBCK
-
Connected to be ground.
57
VSS
-
GND
58
X1
I
Crystal oscillation circuit input. f =16.9344MHz
59
X2
O
Crystal oscillation circuit output. f =16.9344MHz
60
XVDD
-
Analog power supply.
61
BYTCK
-
Unused.
62
CLDCK
-
Unused.
63
FCLK
-
Unused.
64
IPFLAG
-
Unused.
65
FLAG
-
Unused.
66
CLVS
-
Unused.
67
CRC
-
Unused.
68
DEMPH
-
Unused.
69
RESY
O
Capacitance connection pin for RF bright side envelope detection.
70
IOSEL
-
Connected to be analog power supply.
71
TEST
-
Connected to be analog power supply.
72
AVDD1
-
Analog power supply.
73
OUTL
O
L ch audio output.
74
AVSS1
-
Analog ground.
75
OUTR
O
R ch audio output.
76
RSEL
-
Unused.
77
CSEL
-
Connected to be ground.
78
PSEL
-
GND
79
MSEL
-
GND
80
SSEL
-
Unused (connected to be power supply)
