LM3S1G21 Datasheet, PDF (950/955 Pages) Texas Instruments – Stellaris® LM3S1G21 Microcontroller

Package Information
C.2
C.2.1
108-Ball BGA Package
Package Dimensions
Figure C-4. Stellaris LM3S1G21 108-Ball BGA Package Dimensions
950
January 22, 2012
Texas Instruments-Production Data