ATMEL AT91SAM9XE512 handbook (1)(1)

This document introduces the features of the AT91SAM7XC512/256/128 series microcontrollers, including high-performance 32-bit RISC architecture, high-density 16-bit instruction set, integrated ARM7TDMI®ARM®Thumb® processor, internal high-speed flash, internal high-speed SRAM, memory controller, reset controller, clock generator, etc.