S3F80JB

INSTRUCTION SET

 

 

IDLE — Idle Operation

IDLE

Operation:

The IDLE instruction stops the CPU clock while allowing system clock oscillation to continue. Idle mode can be released by an interrupt request (IRQ) or an external reset operation.

Flags: No flags are affected.

Format:

Bytes Cycles Opcode

Addr Mode

(Hex)

dst src

opc

1

4

6F

Example:

The instruction

 

IDLE

 

stops the CPU clock but not the system clock.

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Image 171
Samsung S3F80JB manual Idle Idle Operation