SAB80515 Datasheet, PDF (185/270 Pages) Siemens Semiconductor Group – 8-Bit Single-Chip Microcontroller Family

Instruction Set
NOP
Function:
Description:
Example:
Operation:
No operation
Execution continues at the following instruction. Other than the PC, no registers or
flags are affected.
It is desired to produce a low-going output pulse on bit 7 of port 2 lasting exactly 5
cycles. A simple SETB/CLR sequence would generate a one-cycle pulse, so four
additional cycles must be inserted. This may be done (assuming no interrupts are
enabled) with the instruction sequence
CLR P2.7
NOP
NOP
NOP
NOP
SETB P2.7
NOP
Encoding:
0000 0000
Bytes:
1
Cycles:
1
Semiconductor Group
185