PNR suffix for Texas Instruments MSP430F6721IPNR


What do the PN and R suffixes call out in Texas Instruments part number MSP430F6721IPNR?

These suffixes call out the case size and packaging.

PN = 80 pin LQFP (12mm X 12mm) package size.
R = Tape and Reel packaging (Large Reel)

Click here for the Datasheet.