LC89512W Datasheet, PDF (4/5 Pages) Sanyo Semicon Device – CD-ROM Error Correction LSI with Built-In SCSI Interface

LC89512W
Continued from preceding page.
Pin No.
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
100
Pin
RA12
RA13
RA14
RA15
RA16
RA17
V_DD
V_SS0
RESET
TEST1
TEST2
TEST3
WFCK
SBSO
SCOR
SDATA
BCK
LRCK
C2PO
RD
WR
CS
RS
V_SS0
SWAIT
EXCK
MCK
TEST0
RCS
RWE
ROE
V_DD
V_SS1
DB0
DB1
V_SS1
DB2
DB3
V_SS1
DB4
DB5
V_SS1
DB6
Type
O
O
O
O
O
O
P
P
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
P
O
O
O
I
O
O
O
NC
NC
NC
NC
P
P
B
B
P
B
B
P
B
B
P
B
Data buffer RAM address signal outputs
Function
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
Type: I: Input pin, O: Output pin, B: Bidirectional pin, P: Power supply pin, NC: No connection pin
Note: 1. NC must be left open. Do not connect any signals to these pins.
2. V_SS0 is the logic system ground and V_SS1 is the SCSI interface ground. (from the standard cell version)
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