MSP430F2274-EP_16 Datasheet, PDF (7/80 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430F2274-EP
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SLAS614D – SEPTEMBER 2008 – REVISED MAY 2011
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:
• Active mode ( AM)
– All clocks are active.
• Low-power mode 0 (LPM0)
– CPU is disabled.
ACLK and SMCLK remain active. MCLK is disabled.
• 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.
• Low-power mode 2 (LPM2)
– CPU is disabled.
MCLK and SMCLK are disabled.
DCO's dc-generator remains enabled.
ACLK remains active.
• Low-power mode 3 (LPM3)
– CPU is disabled.
MCLK and SMCLK are disabled.
DCO's dc-generator is disabled.
ACLK remains active.
• 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.
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