W742E813 データシートの表示（PDF） - Winbond

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W742E813

4-BIT MICROCONTROLLER

Winbond 

W742E/C813

3. Conditional JMP

Bit 14-0 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

PC

0 0 0 0 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0

jmp into the same page

Example:

JB0

JB1

JB2

JB3

JZ

JNZ

JC

JNC

Lable_A0

Lable_A1

Lable_A2

Lable_A3

Label_Az

Label_Anz

Label_Ac

Label_Anc

4. Look-up Table

Bit 15-0 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

(PC-4000H)*4 TA33 TA32 TA31 TA30 TA23 TA22 TA21 TA20 TA13 TA12 TA11 TA10 TA03 TA02 TA01 TA00

Look-up table address = (PC address - 4000H) *4

Example:

TABLE TAB_addr

; Real_TAB_addr (PC value) = TAB_addr/4 + 4000H

00h, 01h, 02h, 0Ah, 0Ch, 0Dh, 0Eh, 0Fh

ENDT

MOV TAB0, TAB_addr_B0_3 ; set Look-up table address

MOV TAB1, TAB_addr_B4_7

MOV TAB2, TAB_addr_B8_11

MOV TAB3, TAB_addr_B12_15

MOVC RAM

; get Look-up table value to RAM

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Publication Release Date: December 2000

Revision A1

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