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參數資料
型號: W742C810
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 4-BIT MICROCONTROLLER
中文描述: 4-BIT, MROM, 3.58 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 20 MM, 2.75 MM HEIGHT, QFP-100
文件頁數: 12/42頁
文件大小: 501K
代理商: W742C810
Preliminary W742C810
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6.4.3 WR Page Register (WRP)
The WR page register is organized as a 4-bit binary register. The bit descriptions are as follows:
R/W
R/W
R/W
R/W
0
1
2
3
WRP
Note: R/W means read/write available.
Bit 3, Bit 2, Bit 1, Bit 0 Working registers page preselect bits:
0000 = WR Page 0 (00H - 0FH)
0001 = WR Page 1 (10H - 1FH)
0010 = WR Page 2 (20H - 2FH)
0011 = WR Page 3 (30H - 3FH)
0100 = WR Page 4 (40H - 4FH)
0101 = WR Page 5 (50H - 5FH)
0110 = WR Page 6 (60H - 6FH)
0111 = WR Page 7 (70H - 7FH)
1000 = WR Page 8 (80H - 8FH)
1001 = WR Page 9 (90H - 9FH)
1010 = WR Page A (A0H - AFH)
1011 = WR Page B (B0H - BFH)
1100 = WR Page C (C0H - CFH)
1101 = WR Page D (D0H - DFH)
1110 = WR Page E (E0H - EFH)
1111 = WR Page F (F0H - FFH)
6.4.4 Data Bank Register (DBKR)
The data bank register is organized as a 4-bit binary register. The bit descriptions are as follows:
R/W
R/W
R/W
0
1
2
3
DBKR
Note: R/W means read/write available.
Bit 3 is reserved.
Bit 2, Bit 1, Bit 0 Data memory bank preselect bits:
000 = Data bank 0 (000H - 07FH)
001 = Data bank 1 (080H - 0FFH)
010 = Data bank 2 (100H - 17FH)
011 = Data bank 3 (180H - 1FFH)
100 = Data bank 4 (200H - 27FH)
101 = Data bank 5 (280H - 2FFH)
110 = Data bank 6 (300H - 37FH)
111 = Data bank 7 (380H - 3FFH)
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