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參數(shù)資料
| 型號(hào)： | LC7442E |
| 元件分類： | 畫面疊加 |
| 英文描述： | PICTURE-IN-PICTURE IC, PQFP64 |
| 封裝： | QFP-64 |
| 文件頁數(shù)： | 4/23頁 |
| 文件大?。?/td> | 317K |
| 代理商： | LC7442E |
LC7442, 7442E
Pin Functions
Pin No.
QIP
DIP
Signal
I/O
Connection
Function
Circuit type
40
48
OV
I
Main screen vertical sync signal (negative polarity)
39
47
OH
I
LA7403 or a sync
Main screen horizontal sync signal (negative polarity)
38
46
KV
I
separator IC
Sub-screen vertical sync signal (negative polarity)
37
45
KH
I
Sub-screen horizontal sync signal (negative polarity)
47
55
SCK
I
Serial clock
46
54
SD
I
Microprocessor
Serial data
Serial control
45
53
SDE
I
Enable
48
56
RES
I
Initialization circuit
Reset
44
52
TEST
I
VSS
Test (Connect to VSS in normal operation)
2
10
WDO3
O
Memory
3
11
WDO2
O
Memory
Memory write data output
4
12
WDO1
O
Memory
5
13
WDO0
O
Memory
6
14
A8
O
Memory
MSB
7
15
A7
O
Memory
8
16
A6
O
Memory
9
17
A5
O
Memory
Address
10
18
A4
O
Memory
(A8 is left open when a
11
19
A3
O
Memory
256 kbyte memory is used)
12
20
A2
O
Memory
13
21
A1
O
Memory
14
22
A0
O
Memory
LSB
15
23
DT
O
Memory
16
24
WE
O
Memory
17
25
RAS
O
Memory
Control signals
18
26
CAS
O
Memory
19
27
SC
O
Memory
20
28
SODI3
I
Memory
21
29
SODI2
I
Memory
Memory read data
22
30
SODI1
I
Memory
23
31
SODI0
I
Memory
Continued on next page.
No. 4412-12/22
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| LC7450H | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
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