Chipset Manufacturer Product Family Part Number SRAM DRAM Flash AtmelARM920T-based Microcontroller ARM926-based eMPU ARM926-based Microprocessor ARM-based Embedded MPU AT91 ARM Thumb MicrocontrollersAT91M42800A AT91 ARM Thumb-based MicrocontrollersAT91M55800AAsynch SRAM SPI AT91SAM ARM-based Embedded MPU AT91SAM ARM-based Flash MCU SAM3U ARM Cortex-M3 Microcontrollers