7442 데이터 시트보기 (PDF) - SANYO -> Panasonic
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7442 Datasheet PDF : 23 Pages
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LC7442, 7442E
Pin Functions
Pin No.
QIP DIP Signal I/O
40 48 OV
I
39 47 OH
I
38 46 KV
I
37 45 KH
I
Connection
LA7403 or a sync
separator IC
Function
Main screen vertical sync signal (negative polarity)
Main screen horizontal sync signal (negative polarity)
Sub-screen vertical sync signal (negative polarity)
Sub-screen horizontal sync signal (negative polarity)
47 55 SCK
46 54 SD
45 53 SDE
48 56 RES
44 52 TEST
I
I
Microprocessor
I
I Initialization circuit
I VSS
Serial clock
Serial data
Serial control
Enable
Reset
Test (Connect to VSS in normal operation)
Circuit type
2
10 WDO3 O Memory
3
11 WDO2 O Memory
4
12 WDO1 O Memory
5
13 WDO0 O Memory
6
14 A8
7
15 A7
8
16 A6
9
17 A5
10 18 A4
11 19 A3
12 20 A2
13 21 A1
14 22 A0
O Memory
O Memory
O Memory
O Memory
O Memory
O Memory
O Memory
O Memory
O Memory
15 23 DT
16 24 WE
17 25 RAS
18 26 CAS
19 27 SC
O Memory
O Memory
O Memory
O Memory
O Memory
20 28 SODI3
21 29 SODI2
22 30 SODI1
23 31 SODI0
I Memory
I Memory
I Memory
I Memory
Memory write data output
MSB
Address
(A8 is left open when a
256 kbyte memory is used)
LSB
Control signals
Memory read data
Continued on next page.
No. 4412-12/22
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