lc895125q Sanyo Semiconductor Corporation, lc895125q Datasheet - Page 4
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lc895125q
Manufacturer Part Number
lc895125q
Description
Cd-rom Driver With On-chip Scsi Interface And Subcode Functions
Manufacturer
Sanyo Semiconductor Corporation
Datasheet
1.LC895125Q.pdf
(11 pages)
Pin Functions (LC895125Q)
Note: 1. NC pins must be left open. Do not connect any signal to these pins.
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
1
2
3
4
5
6
7
8
9
2. Pin names that start with Z are negative-logic signals.
3. V
4. Applications that use DRAM must insert resistors in the CAS and RAS lines, connect capacitors between these lines and ground, and take any
5. Since these circuits include buffers that sink 48 mA, adequate noise prevention measures must be applied.
other measures necessary to prevent undershoot in the DRAM related circuits.
SS0
RA10 (IO14)
RA11 (IO13)
RA12 (IO12)
RA13 (IO11)
RA14 (IO10)
RA9 (IO15)
RA15 (IO9)
RA16 (IO8)
XTALCK0
ZRESET
CSCTRL
ZSWAIT
is the logic system ground and V
Symbol
TEST0
TEST1
TEST2
TEST3
TEST4
XTAL0
ZINT0
ZINT1
V
V
V
V
V
V
V
V
RA5
RA6
RA7
RA8
V
V
IO7
IO6
IO5
IO4
IO3
IO2
IO1
IO0
D0
D1
D2
D3
D4
D5
D6
D7
SS0
SS0
SS0
SS0
SS0
SS0
SS0
DD
DD
DD
Type
O
O
O
O
O
O
O
O
P
P
B
B
P
B
B
B
B
B
B
B
P
B
B
B
B
B
B
B
P
P
P
P
B
B
B
B
B
B
B
B
P
P
I
I
I
I
I
I
I
I
Address outputs for the buffer RAM
Address outputs for the buffer RAM or data I/O pins
The pin circuits include pull-up resistors.
Address outputs for the buffer RAM or data I/O pins
The pin circuits include pull-up resistors.
Buffer RAM data I/O. The pin circuit includes a pull-up resistor.
Buffer RAM data I/O.
The pin circuits include pull-up resistors.
Test pins. These pins must be connected to V
LSI reset. The LSI is reset on a 0 input.
Selects active-high or active-low for the microcontroller CS logic.
Crystal oscillator input
Crystal oscillator output
Microcontroller data signals
WAIT signal output to the microcontroller
Interrupt request output to the microcontroller (ECC side. Set with a register.)
Interrupt request output to the microcontroller (SCSI side. Set with a register.)
SS1
is the SCSI interface ground.
Type: I: Input pin, O: Output pin, B: Bidirectional pin, P: Power supply pin, NC: No connection pin
LC895125Q, 895125W
SS0
.
Function
Continued on next page.
No. 5241-4/11