JAJSFF4D May 2018 – December 2019 MSP430FR2153 , MSP430FR2155 , MSP430FR2353 , MSP430FR2355
PRODUCTION DATA.
Up to 44 I/O ports are implemented.
NOTE
Configuration of digital I/Os after BOR reset
To prevent cross currents during start-up of the device, all port pins are high-impedance with Schmitt triggers and module functions disabled. To enable the I/O functions after a BOR reset, first configure the ports and then clear the LOCKLPM5 bit. For details, see the Configuration After Reset section in the Digital I/O chapter of the MSP430FR4xx and MSP430FR2xx Family User's Guide.