Embest Atmel AT91SAM3U ARM-CM3 MCU开发方案
Embest公司的AT91SAM3U ARM-CM3开发板集成了 基于Cortex-M3核处理器的ATMEL ATSAM3U4E,工作频率96MHz,具有USB, I2C, MCI接口, TFT-LCD, USART接口,96个I/O口,支持SRAM/NOR/NAND存储器的EBI等,能用来产生和测试ATMEL SAM3U微控制器系列应用程序,主要用在家庭娱乐如音频和遥控,工业自动化如工业通信和仪表,移动电子如手机和手持音频播放器等.本文介绍了AT91SAM3U主要特性,100和144引脚AT91SAM3U方框图,以及ATSAM3U ARM-CM3开发板硬件指标,方框图和电路图.
Atmel’s SAM3U series is a member of a family of Flash microcontrollers based on the high performance 32-bit ARM Cortex-M3 RISC processor. It operates at a maximum speed of 96 MHz and features up to 256 Kbytes of Flash and up to 48 Kbytes of SRAM. The peripheral set includes a High Speed USB Device port with embedded transceiver, a High Speed MCI for SDIO/SD/MMC, an External Bus Interface with NAND Flash controller, 4x USARTs, 2x TWIs, 1x SPI, as well as 1 PWM timer, 3x general purpose 16-bit timers, an RTC, a 12-bit ADC and a 10- bit ADC.
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