Device Overview


The TM4Cxxx devices have replaced the LM3Sxxx series, which is now obsolete. This table summarizes the properties of the various device types:

  LM3Sxxx TM4C123xxx TM4C129xxx
Flash 256 KB Up to 256 KB 1 MB
SRAM 96 KB 32 KB 256 KB
    Full speed USB 2.0 OTG/Host/Device Full speed USB 2.0 OTG/Host/Device plus USB ULPI interface