No. 6614-6/12
LC898023K
Continued from preceding page.
Pin No.
Pin name
Type
Pin function
43
LDH
O
Recording laser diode control signal output
44
V
DD
V
SS
P
Digital system power supply (3.3 V)
45
P
Digital system ground (V
SS
)
Analog block test output
46
ATEST3
O
47
ATEST1
O
Analog block test output
48
WDAT
O
Recording laser diode control signal output
49
NWDAT
O
Recording laser diode control signal output (WDAT inverted)
50
V
DD
V
SS
V
DD
V
SS
R1
P
Analog system power supply (3.3 V)
51
P
Analog system ground (V
SS
)
Digital system power supply (5 V)
52
P
53
P
Digital system ground (V
SS
)
54
I
55
VCNT1
I
Write strategy analog signals
56
MDC1
I
57
PD1
O
58
SWAIT
O
Wait signal to the microcontroller
59
INT0
O
Interrupt request signal outputs to the microcontroller
These are open-drain outputs with built-in pull-up resistors.
60
INT1
O
61
D0
B
62
D1
B
63
D2
B
Microcontroller data signal lines
64
D3
B
These pins have built-in pull-up resistors.
65
D4
B
66
D5
B
67
D6
B
68
V
DD
V
SS
D7
P
Digital system power supply (5 V)
69
P
Digital system ground (V
SS
)
Microcontroller data signal line
70
B
71
I
72
SUA1
I
73
SUA2
I
74
SUA3
I
Command register selection address
75
SUA4
I
76
SUA5
I
77
SUA6
I
78
SUA7
I
79
CS
I
Chip select signal input from the microcontroller
80
RD
I
Data read signal from the microcontroller
81
WR
I
Data write signal from the microcontroller
82
TEST0
I
Test pin. This pin must be tied to V
SS
.
VCO control voltage
83
VCNT
I
84
R
I
VCO bias resistor connection
85
PD
O
Charge pump output
86
V
DD
V
SS
TEST1
P
Analog system power supply (3.3 V)
87
P
Analog system ground (V
SS
)
Test pin. This pin must be tied to V
SS
.
Reset input
88
I
89
RESET
I
90
XTALCK0
I
Crystal oscillator circuit input (33.8688 MHz)
Continued on next page.