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Features
• Core
– ARM® Cortex™-M3 revision 2.0 running at up to 96 MHz – Memory Protection Unit (MPU) – Thumb®-2 instruction set Memories – From 64 to 256 Kbytes embedded Flash, 128-bit wide access, memory accelerator, dual bank – From 16 to 48 Kbytes embedded SRAM with dual banks – 16 Kbytes ROM with embedded bootloader routines (UART, USB) and IAP routines – Static Memory Controller (SMC): SRAM, NOR, NAND support. NAND Flash controller with 4-kbyte RAM buffer and ECC System – Embedded voltage regulator for single supply operation – POR, BOD and Watchdog for safe reset – Quartz or resonator oscillators: 3 to 20 MHz main and optional low power 32.768 kHz for RTC or device clock.
ATSAM3U Datasheet
