Migrate from MSP430F2xx to MSP430FR58xx/FR59xx

The purpose of this application note is to highlight the key differences between the MSP430F2xx and MSP430G2xx families and the MSP430FR58xx/FR59xx/68xx/69xx family to ensure a smoother migration. It is divided into (1) system-level considerations such as power management, (2) changes when handling nonvolatile memory, and (3) peripheral modifications. With respect to the instruction set, the MSP430FR58xx/FR59xx/68xx/69xx family is completely backward code compatible with all other MSP430 families. Any code migration is therefore impacted only by register or peripheral feature changes and slight variations in instruction cycle times, while the instruction set remains the same.

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Originally published by Texas Instruments Inc. at www.ti.com as "Migrating from the MSP430F2xx and MSP430G2xx Families to the MSP430FR58xx/FR59xx/68xx/69xx Family".