MSP430G2744, MSP430G2544, MSP430G2444
SLAS892C – MARCH 2013 – REVISED SEPTEMBER 2014
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6.3
Operating Modes
The MSP430 microcontrollers have 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 dc-generator is disabled if DCO not used in active mode.
•
Low-power mode 2 (LPM2)
–
CPU is disabled.
–
ACLK remains active.
–
MCLK and SMCLK are disabled.
–
DCO dc-generator remains enabled.
•
Low-power mode 3 (LPM3)
–
CPU is disabled.
–
ACLK remains active.
–
MCLK and SMCLK are disabled.
–
DCO dc-generator is disabled.
•
Low-power mode 4 (LPM4)
–
CPU is disabled.
–
ACLK, MCLK, and SMCLK are disabled.
–
DCO dc-generator is disabled.
–
Crystal oscillator is stopped.
40
Detailed Description
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