SLAZ384AH October   2012  – August 2021 MSP430FR5731

 

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6.10 CPU21

CPU Module

Category

Compiler-Fixed

Function

Using POPM instruction on Status register may result in device hang up

Description

When an active interrupt service request is pending and the POPM instruction is used to set the Status Register (SR) and initiate entry into a low power mode , the device may hang up.

Workaround

None. It is recommended not to use POPM instruction on the Status Register.

Refer to the table below for compiler-specific fix implementation information.

IDE/Compiler Version Number Notes
IAR Embedded Workbench Not affected
TI MSP430 Compiler Tools (Code Composer Studio) v4.0.x or later User is required to add the compiler or assembler flag option below. --silicon_errata=CPU21
MSP430 GNU Compiler (MSP430-GCC) MSP430-GCC 4.9 build 167 or later