W742E816 데이터 시트보기 (PDF) - Winbond

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W742E816

4-BIT MICROCONTROLLER

Winbond 

W742E/C816

Deleted: SA5505

Deleted: W742C811

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)

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)

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Publication Release Date: April 15, 2005

Revision A2

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