ATSAM3A8CA-AU
SMART SAM3A ARM® Cortex-M3 微控制器基于 ARM® Cortex®-M3 内核，Atmel® SMART SAM3A 闪存微控制器 MCU 经优化用于 CAN 连接且包括高速 USB HS USB MiniHost 和设备，带片上物理层 PHY。 该系列还包括 QTouch 电容式触摸支持、增强的安全性及低功耗。### ARM 微控制器，Atmel
* Core * ARM® Cortex®-M3 revision 2.0 running at up to 84 MHz * Memory Protection Unit MPU * Thumb®-2 instruction set * 24-bit SysTick Counter * Nested Vector Interrupt Controller * Memories * From 256 to 512 Kbytes embedded Flash, 128-bit wide access, memory accelerator, dual bank * From 32 to 100 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 ceramic resonator oscillators: 3 to 20 MHz main and optional low power 32.768 kHz for RTC or device clock. * High precision 8/12 MHz factory trimmed internal RC oscillator with 4 MHz Default Frequency for fast device startup * Slow Clock Internal RC oscillator as permanent clock for device clock in low power mode * One PLL for device clock and one dedicated PLL for USB 2.0 High Speed Mini Host/Device * Temperature Sensor * Up to 17 peripheral DMA PDC channels and 6-channel central DMA plus dedicated DMA for High-Speed USB Mini Host/Device and Ethernet MAC
