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S3F80JB
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:
opc
Example:
The instruction
IDLE
stops the CPU clock but not the system clock.
Bytes
Cycles
Opcode
(Hex)
1
4
INSTRUCTION SET
Addr Mode
dst
src
6F
–
–
6-43
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