W741L250 Datasheet, PDF (80/86 Pages) Winbond – 4-BIT MICROCONTROLLER

W741L250
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"
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
Machine Code:
Machine Cycle:
Operation:
Description:
10001010
1 R6 R5 R4 R3 R2 R1 R0
1
PC ← (PC) + 2; if R.3 = "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
00000000
11000000
1
STOP oscillator
Device enters STOP mode. When signal on the INT pin goes low or the
falling edge signal of RC port is accepted, the µC will wake up and execute
the next instruction.
- 80 -