W741E20X Datasheet, PDF (75/84 Pages) Winbond – 4-BIT FLASH MICROCONTROLLER

Preliminary W741E20X
Instruction Set Table 2, continued
SKB2 R
If bit 2 of R is equal to 1 then skip
Machine Code:
Machine Cycle:
Operation:
Description:
SKB3 R
10001010
0 R6 R5 R4 R3 R2 R1 R0
1
PC ← (PC) + 2; if R.2 = 1“1”
If bit 2 of R is equal to 1, the program counter is incremented by 2 and a
skip is produced. If bit 2 of R is not equal to 1. The program counter (PC) is
incremented.
If bit 3 of R is equal to 1 then skip
Machine Code:
Machine Cycle:
Operation:
Description:
STOP
10001010
1 R6 R5 R4 R3 R2 R1 R0
1
PC ← (PC) + 2; if R.3 = 1“1”
If bit 3 of R is equal to 1, the program counter is incremented by 2 and a
skip is produced. If bit 3 of R is not equal to 1, the program counter (PC) is
incremented.
Enter the STOP mode
Machine Code:
Machine Cycle:
Operation:
Description:
00000000
11000000
1
STOP oscillator
Device enters STOP mode. When the falling edge signal of RC port is
accepted, the µC will wake up and execute the next instruction.
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Publication Release Date: March 1998
Revision A1