W742E816 Просмотр технического описания (PDF) - Winbond

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W742E816

4-BIT MICROCONTROLLER

Winbond 

W742E/C816

Deleted: SA5505

Deleted: W742C811

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)

011100 = Data bank 28 (0E00H − 0E7FH)

011101 = Data bank 29 (0E80H − 0EFFH)

011110 = Data bank 30 (0F00H − 0F7FH)

011111 = Data bank 31 (0F80H − 0FFFH)

100000 = Data bank 32 (1000H − 107FH)

100001 = Data bank 33 (1080H − 10FFH)

100010 = Data bank 34 (1100H − 117FH)

100011 = Data bank 35 (1180H − 11FFH)

100100 = Data bank 36 (1200H − 127FH)

100101 = Data bank 37 (1280H − 12FFH)

100110 = Data bank 38 (1300H − 137FH)

100111 = Data bank 39 (1380H − 13FFH)

5.4.5 RAM Addressing Mode

1. Direct Addressing

Bit 12-0 12 11 10 9 8 7 6 5 4 3 2 1 0

RAM addr BH1 BH0 BL3 BL2 BL1 BL0 RA6 RA5 RA4 RA3 RA2 RA1 RA0

RA0-6 is RAM address ; BL0-3 is DBKRL register ; BH0-1 is DBKRH register

Example:

MOV

MOV

MOV

DBKRL, #BL_value

DBKRH, #BH_value

A, RAM

; set RAM bank

; get RAM data to ACC

- 14 -

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