Filter
Top Products
SAM88RI INSTRUCTION SET S3C9228/P9228
6-46
STOP — Stop Operation
STOP
Operation:
The STOP instruction stops 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 External interrupt input. 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
(Hex)
Addr Mode
dst src
opc 1 4 7F – –
Example: The statement
STOP
halts all microcontroller operations.