lc89512w Sanyo Semiconductor Corporation, lc89512w Datasheet - Page 4

• Manufacturer Part Number: lc89512w
• Description: Cd-rom Error Correction Lsi With Built-in Scsi Interface
• Manufacturer: Sanyo Semiconductor Corporation

Continued from preceding page.
Note: 1. NC must be left open. Do not connect any signals to these pins.
Pin No.
100
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
2. V
SS
RESET
SDATA
TEST1
TEST2
TEST3
SWAIT
TEST0
WFCK
SBSO
SCOR
LRCK
C2PO
EXCK
RA12
RA13
RA14
RA15
RA16
RA17
V
V
MCK
RWE
V
V
V
V
BCK
RCS
ROE
V
V
DB0
DB1
DB2
DB3
DB4
DB5
DB6
0 is the logic system ground and V
WR
Pin
RD
CS
RS
SS
SS
SS
SS
SS
SS
DD
DD
0
0
1
1
1
1
Type
NC
NC
NC
NC
O
O
O
O
O
O
O
O
O
O
O
O
P
P
P
P
P
B
B
P
B
B
P
B
B
P
B
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Data buffer RAM address signal outputs
Reset
Test inputs. These pins should be tied low in normal operation.
Subcode I/O
Serial data input
Serial data input clock
44.1 kHz strobe signal input
C2 pointer input
Microprocessor data read signal input
Microprocessor data write signal input
Chip select signal input (from the microprocessor)
Register selection signal input
Sub-CPU wait signal
Sub code I/O
Crystal oscillator frequency output
Test inputs. These pins should be tied low in normal operation
RAM chip select
RAM data write signal output
RAM data read signal output
SCSI connection
SCSI connection
SCSI connection
SCSI connection
SCSI connection
SCSI connection
SCSI connection
SS
1 is the SCSI interface ground. (from the standard cell version)
Type: I: Input pin, O: Output pin, B: Bidirectional pin, P: Power supply pin, NC: No connection pin
LC89512W
Function
.
Continued on next page.
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