ATSAMD21E18A-AF

ATMEL  ATSAMD21E18A-AF  微控制器, 32位, SAM D系列, ARM 皮质-M0+, 48 MHz, 256 KB, 32 KB, 32 引脚, TQFP

The is a SMART SAMD21 series 32-bit 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