Mspdebug is used to program this device using its `eZ FET lite' interface.

RST
S3

3V3  5V                      P3.7 GND
P1.2 GND                     P3.6 P5.7
P6.1 P3.0                    P3.5 P4.4
P6.0 P3.1                    P3.4 P5.3
P6.2 P3.2                    P7.3 !RST
P1.3 P3.3                    P2.6 P5.0
P5.2 P1.4                    P2.5 P5.1
P6.3 P1.5                    P4.3 P8.3
P7.1 P4.7                    P4.2 P8.2
P7.0 P8.0                    P4.1 P8.1

                    SUPERCAP
                    J8
P5.6                         P5.5
S1                           S2
     J7
GND                          GND
GND                          GND
5V           MICROSD         3V3

MSP430FR5994 LaunchPad Development Kit - Product page

MSP430FR5994 LaunchPad Development Kit - User manual

MSP430FR599x, MSP430FR596x Data-sheet

MSP430FR5994 Errata

MSP430FR58xx, MSP430FR59xx, MSP430FR6xx Family User's Guide

MSP-EXP430FR5994 Software Examples

Migrating from the USCI Module to the eUSCI Module