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SAM88RI INSTRUCTION SET S3C9228/P9228
6-22
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
(Hex)
Addr Mode
dst src
opc 1 4 6F – –
Example: The instruction
IDLE
stops the CPU clock but not the system clock.