lc89512w Sanyo Semiconductor Corporation, lc89512w Datasheet - Page 3

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

Pin Functions
Pin No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
1
2
3
4
5
6
7
8
9
XTALCK
XTAL
RA10
RA11
V
V
V
MSG
V
V
V
V
V
V
DBP
ACK
REQ
INT1
INT0
DB7
ATN
BSY
RST
SEL
V
RA0
RA1
RA2
RA3
RA4
RA5
RA6
RA7
RA8
RA9
C/D
I
I
I
I
I
I
I
I
Pin
I/O
D0
D1
D2
D3
D4
D5
D6
D7
SS
SS
SS
SS
SS
SS
O
O
O
O
O
O
O
O
SS
SS
SS
DD
0
1
2
3
4
5
6
7
1
1
1
1
1
0
0
0
0
Type
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
B
P
B
B
P
B
B
P
B
B
P
B
B
P
B
B
P
B
B
B
B
B
B
B
B
P
P
B
B
B
B
B
B
B
B
P
P
I
SCSI connection
SCSI connection
SCSI connection
SCSI connection
SCSI connection
SCSI connection
SCSI connection
SCSI connection
SCSI connection
SCSI connection
SCSI connection
Data buffer RAM data signals
These pins have built-in pull-up resistors.
SCSI block interrupt request signal output (set using a register)
Microprocessor data signals
These pins have built-in pull-up resistors.
Microprocessor interrupt request signal output
Crystal oscillator circuit input
Crystal oscillator circuit output
Data buffer RAM address signal outputs
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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