ATSAMD21E18A-MU

ATSAMD21 ARM® Cortex®-M0+ 微控制器ATSAMD21 ARM® Cortex®-M0+ 微控制器是基于 SMART™ ARM 的微控制器，设计用于与 SMART™ 系列中所有设备之间相同的外围模块、六角兼容代码、相同的线性地址地图和引脚兼容迁移路径进行迁移。 微控制器还包含电容性触摸按钮滑块和轮用户界面支持。**ATSAMD21 微控制器的功能和优点** •系统内可编程闪存 •12 通道直接内存存取 •12 通道 Atmel 事件系统 •多达 52 个输入/输出引脚 •32 位实时时钟和日历 •多达 5 个 16 位计时器/计数器 TC •多达 3 个 24 位计时器/计数器 TCC •1 个全速 USB 2.0 嵌入式主机和设备接口 •2 引脚串行线调试 SWD 编程和调试接口 ### ARM 微控制器，Atmel

The is a 32-bit SMART SAMD21 series Low-power Microcontroller based on the high-performance ARM Cortex-M0+ RISC processor. It operates at a maximum speed of 48MHz and features 256kB of flash memory and 32kB of SRAM. Peripherals include four serial communication modules SERCOM configurable as UART/USART, three 16-bit timers/counters, 32-bit real-time clock and calendar, 18 PWM channels, one 14-channel 12-bit ADC, one 10-bit DAC, full speed USB device and embedded host and support for up to 60 touch channels. The device operates from 1.62 to 3.63V.

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ARM Cortex-M0+ CPU running at up to 48MHz

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Single-cycle hardware multiplier

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Micro trace buffer MTB

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Power-on reset POR and brown-out detection BOD

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External interrupt controller EIC

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16 External interrupts

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One non-maskable interrupt

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Two-pin serial wire debug SWD programming, test and debugging interface

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Idle and standby sleep modes

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SleepWalking peripherals

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12-channel Direct memory access controller DMAC

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12-channel Event system

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32-bit Real-time counter RTC with clock/calendar function

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Watchdog timer WDT

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CRC-32 generator

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One full-speed 12Mbps Universal serial bus USB 2.0 interface

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Peripheral touch controller PTC

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Easy pin migration to SAMD21G and SAMD21J devices