W742E Datasheet, PDF (17/60 Pages) Winbond – 4 BIT MICROCONTROLLER

W742E/C811
5.4.4 Data Bank Register (DBKRH, DBKRL)
The data bank register is organized as two 4-bit binary register. The bit descriptions are as follows:
3
2
1
0
DBKRL R/W R/W R/W R/W
3
DBKRH
2
1
0
R/W R/W
Note: R/W means read/write available.
Bit5, Bit 4, Bit3, Bit 2, Bit 1, Bit 0 Data memory bank bits:
000000 = Data bank 0 (000H - 07FH)
000001 = Data bank 1 (080H - 0FFH)
000010 = Data bank 2 (100H - 17FH)
000011 = Data bank 3 (180H - 1FFH)
000100 = Data bank 4 (200H - 27FH)
000101 = Data bank 5 (280H - 2FFH)
000110 = Data bank 6 (300H - 37FH)
000111 = Data bank 7 (380H - 3FFH)
001000 = Data bank 8 (400H - 47FH)
001001 = Data bank 9 (480H - 4FFH)
001010 = Data bank 10 (500H - 57FH)
001011 = Data bank 11 (580H - 5FFH)
001100 = Data bank 12 (600H - 67FH)
001101 = Data bank 13 (680H - 6FFH)
001110 = Data bank 14 (700H - 77FH)
001111 = Data bank 15 (780H - 7FFH)
010000 = Data bank 16 (800H - 87FH)
010001 = Data bank 17 (880H - 8FFH)
010010 = Data bank 18 (900H - 97FH)
010011 = Data bank 19 (980H - 9FFH)
010100 = Data bank 20 (0A00H - 0A7FH)
010101 = Data bank 21 (0A80H - 0AFFH)
010110 = Data bank 22 (0B00H - 0B7FH)
010111 = Data bank 23 (0B80H - 0BFFH)
011000 = Data bank 24 (0C00H - 0C7FH)
011001 = Data bank 25 (0C80H - 0CFFH)
011010 = Data bank 26 (0D00H - 0D7FH)
011011 = Data bank 27 (0D80H - 0DFFH)
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Publication Release Date: December 2000
Revision A1