Samsung S3F80JB manual Stop Stop Operation

S3F80JB INSTRUCTION SET

STOP — Stop Operation

STOP

Operation:

The STOP instruction stops the both the CPU clock and system clock and causes the microcontroller to enter Stop mode. During Stop mode, the contents of on-chip CPU registers, peripheral registers, and I/O port control and data registers are retained. Stop mode can be released by an external reset operation or by external interrupts. For the reset operation, the RESET pin must be held to Low level until the required oscillation stabilization interval has elapsed.

Flags: No flags are affected.

Format:

Bytes Cycles Opcode	Addr Mode
(Hex)	dst src

opc

1 4 7F – –

Example:	The statement
	STOP
	halts all microcontroller operations.

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