SLASE46A February 2015 – October 2018 MSP430F6720A , MSP430F6721A , MSP430F6723A , MSP430F6724A , MSP430F6725A , MSP430F6726A , MSP430F6730A , MSP430F6731A , MSP430F6733A , MSP430F6734A , MSP430F6735A , MSP430F6736A
Up to nine 8-bit I/O ports are implemented. For 100-pin options, Ports P1 to P8 are complete, and P9 is reduced to 4-bit I/O. For 80-pin options, Ports P1 to P6 are complete, and P7 to P9 are completely removed. Port PJ contains four individual I/O pins, common to all devices. All I/O bits are individually programmable.