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CHAPTER 11 INSTRUCTION SET
289
User’s Manual U10676EJ3V0UM
11.4.14 CPU control instruction
HALT
Function: PCC.2 ← 1
Sets the HALT mode (this instruction sets the bit 2 of the processor clock control register).
Caution
Make sure that a NOP instruction follows the HALT instruction.
STOP
Function: PCC.3 ← 1
Sets the STOP mode (this instruction sets the bit 3 of the processor clock control register).
Caution
Make sure that a NOP instruction follows the STOP instruction.
NOP
Function: Executes nothing but consumes 1 machine cycle.