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參數(shù)資料
| 型號： | LC895199K |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP144 |
| 封裝： | SQFP-144 |
| 文件頁數(shù)： | 12/12頁 |
| 文件大?。?/td> | 65K |
| 代理商： | LC895199K |
No. 6238-9/12
LC895199K
Pin Functions
LC895199K Pin Functions
(When pin 103 (ATPINSEL) is high)
Type
I
INPUT
B
BIDIRECTION
NC
NOT CONNECT
O
OUTPUT
P
POWER
Pin No.
Pin name
Type
Pin functions
1VSS0
P
2
ZRAS0
O
Buffer DRAM RAS signal output
3
ZCAS0
O
Buffer DRAM CAS signal output 0 (Normally held fixed at 0 (low).)
4
ZCAS1
O
Buffer DRAM CAS signal output 1
5VSS0
P
6
ZOE
O
Buffer DRAM output enable
7
ZUWE
O
Buffer DRAM upper write enable
8
ZLWE
O
Buffer DRAM lower write enable
9VSS0
P
10
RA0
O
11
RA1
O
12
RA2
O
13
RA3
O
Data buffer DRAM address signal outputs
14
RA4
O
15
RA5
O
16
RA6
O
17
RA7
O
18
VDD0
P
5.0 V
19
VSS0
P
20
RA8
O
Data buffer DRAM address signal output
21
IO0
B
22
IO1
B
23
IO2
B
Data buffer DRAM data input and output
24
IO3
B
These pins have built-in pull-up resistors.
25
IO4
B
26
IO5
B
27
VSS0
P
28
IO6
B
29
IO7
B
30
IO8
B
31
IO9
B
Data buffer DRAM data input and output
32
IO10
B
These pins have built-in pull-up resistors.
33
IO11
B
34
IO12
B
35
IO13
B
36
VSS0
P
37
VDD1
P
3.3 V
38
IO14
B
Data buffer DRAM data input and output
39
IO15
B
These pins have built-in pull-up resistors.
40
NC
41
VSS0
P
42
IOP0
B
43
IOP1
B
44
IOP2
B
45
IOP3
B
General-purpose input and output ports
46
IOP4
B
47
IOP5
B
48
IOP6
B
49
IOP7
B
50
NC
51
TEST0
I
Test pin. This pin must be connected to VSS in normal operation.
52
XTALCK
I
Crystal oscillator circuit input
Continued on next page.
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