Samsung S3C9228/P9228, 8-Bit CMOS Microcontroller user manual Idle Idle Operation

SAM88RI INSTRUCTION SET S3C9228/P9228

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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