MSP430x13x, MSP430x14x
MIXED SIGNAL MICROCONTROLLER
SLAS272D – JULY 2000 – REVISED MARCH 2003
operating modes
The MSP430 has one active mode and five software selectable low-power modes of operation. An interrupt
event can wake up the device from any of the five low-power modes, service the request and restore back to
the low-power mode on return from the interrupt program.
The following six operating modes can be configured by software:
D
Active mode AM;
–
All clocks are active
D
Low-power mode 0 (LPM0);
–
CPU is disabled
ACLK and SMCLK remain active. MCLK is disabled
D
Low-power mode 1 (LPM1);
–
CPU is disabled
ACLK and SMCLK remain active. MCLK is disabled
DCO’s dc-generator is disabled if DCO not used in active mode
D
Low-power mode 2 (LPM2);
–
CPU is disabled
MCLK and SMCLK are disabled
DCO’s dc-generator remains enabled
ACLK remains active
D
Low-power mode 3 (LPM3);
–
CPU is disabled
MCLK and SMCLK are disabled
DCO’s dc-generator is disabled
ACLK remains active
D
Low-power mode 4 (LPM4);
–
CPU is disabled
ACLK is disabled
MCLK and SMCLK are disabled
DCO’s dc-generator is disabled
Crystal oscillator is stopped
8
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