lc895124 Sanyo Semiconductor Corporation, lc895124 Datasheet - Page 5

• Manufacturer Part Number: lc895124
• Description: Cd-rom Driver With On-chip Scsi Interface
• Manufacturer: Sanyo Semiconductor Corporation

Continued from preceding page.
Note: 1. NC pins must be left open. Do not connect any signal to these pins.
Pin No.
100
51
52
53
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. 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
XTALCK1
ZRESET
CSCTRL
ZSWAIT
is the logic system ground and V
Symbol
TEST3
TEST4
XTAL1
ZINT0
ZINT1
X1EN
SUA0
SUA1
SUA2
SUA3
SUA4
SUA5
SUA6
V
V
V
ZWR
V
V
V
V
V
ZRD
V
ZCS
V
DB0
DB1
DB2
DB3
D0
D1
D2
D3
D4
D5
D6
D7
SS0
SS0
SS0
SS1
SS1
SS1
DD
DD
DD
DD
Type
NC
NC
NC
NC
NC
NC
NC
NC
O
O
O
O
P
P
P
P
B
B
B
B
B
B
B
B
P
P
P
P
B
P
B
B
P
B
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
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.
Selection pin that must be set to 1 when XTALCK1 is used.
SCSI block oscillator circuit input. Selected by X1EN.
SCSI block oscillator circuit output.
WAIT signal output to the microcontroller
Microcontroller data signals
Microcontroller data write signal input
Input for the register chip select signal from the microcontroller
Register chip select signal from the microcontoller
Interrupt request output to the microcontroller (ECC side. Set with a register.)
Interrupt request output to the microcontroller (SCSI side. Set with a register.)
SCSI connection
SCSI connection
SCSI connection
Microcontroller data read signal input
SS1
is the SCSI interface ground.
Type: I: Input pin, O: Output pin, B: Bidirectional pin, P: Power supply pin, NC: No connection pin
LC895124
SS0
.
Function
Continued on next page.
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