40MHz, 1.56 DMIPS/MHz, 32-bit MIPS M4K Core USB 2.0 On-The-Go Peripheral with integrated PHY Dedicated DMA Channel for USB OTG 5 Stage pipeline, Harvard architecture MIPS16e mode for up to 40% smaller code size Single cycle multiply and hardware divide unit 32 x 32-bit Core Registers 32 x 32-bit Shadow Registers Fast context switch and interrupt response