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參數(shù)資料
| 型號(hào)： | LC895170W |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
| 封裝： | SQFP-100 |
| 文件頁數(shù)： | 4/5頁 |
| 文件大小： | 184K |
| 代理商： | LC895170W |
Continued from preceding page.
Type: I: Input pin, O: Output pin, B: Bidirectional pin, P: Power supply pin, NC: Unconnected pin
No. 5010-4/5
LC895170W
Pin No.
Pin
Type
Function
51
RD
I
Microprocessor data read signal input
52
WR
I
Microprocessor data write signal input
53
CS
I
Chip select signal input (from microprocessor)
54
RS
I
Register selection signal
55
VDD
P
56
VSS
P
57
D0
B
58
D1
B
59
D2
B
60
D3
B
Microprocessor data signals
61
D4
B
Pull-up resistors on chip
62
D5
B
63
D6
B
64
D7
B
65
VSS
P
66
INT
O
Interrupt request signal output (to the microprocessor)
Open-drain output with on-chip pull-up resistor
67
SWAIT
O
Sub-CPU wait signal
68
TEST0
I
69
TEST1
I
Test inputs should be tied low in normal operation.
70
TEST2
I
71
TEST3
I
72
EXCK
O
73
WFCK
I
Subcode I/O pins
74
SBSO
I
75
SCOR
I
76
VDD
P
77
SDATA
I
Serial data input
78
BCK
I
Serial data input clock
79
LRCK
I
44.1 kHz strobe signal input
80
C2PO
I
C2 pointer input
81
VSS
P
82
XTALCK
I
Crystal oscillator circuit input
83
XTAL
O
Crystal oscillator circuit output
84
MCK
O
XTALCK-divided-by-2 output
85
RESET
I
Reset. The LC895170W is reset on a low level input.
86
RCS
O
RAM chip select
87
RWE
O
RAM data write signal
88
ROE
O
RAM data read signal
89
VDD
P
90
VSS
P
91
RA0
O
92
RA1
O
93
RA2
O
94
RA3
O
Data buffer RAM address signals output.
95
RA4
O
96
RA5
O
97
RA6
O
98
RA7
O
99
VSS
P
100
RA8
O
Data buffer RAM address signal output.
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