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參數(shù)資料
| 型號： | LC82101 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Image Processing Circuit for FAX, Copier, and OCR Products |
| 中文描述： | 圖像處理電路傳真機，復(fù)印機，和OCR產(chǎn)品 |
| 文件頁數(shù)： | 2/5頁 |
| 文件大?。?/td> | 76K |
| 代理商： | LC82101 |
Block Diagram
Pin Functions
Type: I: Input pin, O: Output pin, B: Bidirectional pin, P: Power supply pin, NC: No connection
No. 4982-2/5
LC82101
Pin No.
Symbol
I/O
Function
1
DREQ
O
DMA data request signal output
2
ACK
I
DMA acknowledge signal input
3
PD0
O
4
PD1
O
Binary image data parallel data bus
5
PD2
O
The data order is set by the MSBF register.
6
PD3
O
7
PD4
O
8
PD5/SDE
O
Pin 8 can be switched to function as the serial data output valid period signal.
9
PD6/SDCK
O
Pin 9 can be switched to function as the serial data transfer clock.
10
PD7/SD
O
Pin 10 can be switched to function as the serial data output.
11
MD0
B
External memory data bus
12
DV
DD
DGND
P
Digital system power supply
13
P
Digital system ground
14
MD1
B
15
MD2
B
16
MD3
B
External memory data bus
MD7 is the MSB and MD0 is the LSB.
17
MD4
B
18
MD5
B
19
MD6
B
20
MD7
B
21
DGND
P
Digital system ground
22
MA0
O
23
MA1
O
24
MA2
O
25
MA3
O
External memory address
MA14 is the MSB and MA0 is the LSB.
26
MA4
O
27
MA5
O
28
MA6
O
29
MA7
O
30
MA8
O
Continued on next page.
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