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MSP430F543X_1 Datasheet, PDF (12/90 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER | |||
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MSP430F543x, MSP430F541x
MSP430F543xA, MSP430F541xA
SLAS612 â SEPTEMBER 2008.......................................................................................................................................................................................... www.ti.com
Operating Modes
The MSP430 has one active mode and six 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 seven operating modes can be configured by software:
⢠Active mode (AM)
â All clocks are active
⢠Low-power mode 0 (LPM0)
â CPU is disabled
â ACLK and SMCLK remain active, MCLK is disabled
â FLL loop control remains active
⢠Low-power mode 1 (LPM1)
â CPU is disabled
â FLL loop control is disabled
â ACLK and SMCLK remain active, MCLK is disabled
⢠Low-power mode 2 (LPM2)
â CPU is disabled
â MCLK and FLL loop control and DCOCLK are disabled
â DCO's dc-generator remains enabled
â ACLK remains active
⢠Low-power mode 3 (LPM3)
â CPU is disabled
â MCLK, FLL loop control, and DCOCLK are disabled
â DCO's dc generator is disabled
â ACLK remains active
⢠Low-power mode 4 (LPM4)
â CPU is disabled
â ACLK is disabled
â MCLK, FLL loop control, and DCOCLK are disabled
â DCO's dc generator is disabled
â Crystal oscillator is stopped
â Complete data retention
⢠Low-power mode 5 (LPM5) (A versions only)
â Internal regulator disabled
â No data retention
â Wakeup from RST, digital I/O
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