MSP430F6433IPZ datasheet(57/119 Pages) TI1

57 / 119 page

MSP430F6438, MSP430F6436, MSP430F6435, MSP430F6433

www.ti.com

SLAS720D – AUGUST 2010 – REVISED DECEMBER 2015

6.4

Operating Modes

These devices have one active mode and seven software-selectable low-power modes of operation. An

interrupt event can wake up the device from any of the low-power modes, service the request, and restore

back to the low-power mode on return from the interrupt program.

Software can configure the following operating modes:

•

Active mode (AM)

–

All clocks are active

•

Low-power mode 0 (LPM0)

–

CPU is disabled

–

ACLK and SMCLK remain active, MCLK is disabled

–

FLL loop control remains active

•

Low-power mode 1 (LPM1)

–

CPU is disabled

–

FLL loop control is disabled

–

ACLK and SMCLK remain active, MCLK is disabled

•

Low-power mode 2 (LPM2)

–

CPU is disabled

–

MCLK, FLL loop control, and DCOCLK are disabled

–

DC generator of the DCO remains enabled

–

ACLK remains active

•

Low-power mode 3 (LPM3)

–

CPU is disabled

–

MCLK, FLL loop control, and DCOCLK are disabled

–

DC generator of the DCO is disabled

–

ACLK remains active

•

Low-power mode 4 (LPM4)

–

CPU is disabled

–

ACLK is disabled

–

MCLK, FLL loop control, and DCOCLK are disabled

–

DC generator of the DCO is disabled

–

Crystal oscillator is stopped

–

Complete data retention

•

Low-power mode 3.5 (LPM3.5)

–

Internal regulator disabled

–

No data retention

–

RTC enabled and clocked by low-frequency oscillator

–

Wake-up signal from RST/NMI, RTC_B, P1, P2, P3, and P4

•

Low-power mode 4.5 (LPM4.5)

–

Internal regulator disabled

–

No data retention

–

Wake-up signal from RST/NMI, P1, P2, P3, and P4

Detailed Description

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