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SAMD21J Datasheet(PDF) 1 Page - Microchip Technology |
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SAMD21J Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 59 page  32-bit ARM-Based Microcontrollers SAM D21E / SAM D21G /SAM D21J Summary Introduction The SAM D21 is a series of low-power microcontrollers using the 32-bit ARM ® Cortex®-M0+ processor, and ranging from 32- to 64-pins with up to 256KB Flash and 32KB of SRAM. The SAM D21 operate at a maximum frequency of 48MHz and reach 2.46 CoreMark ®/MHz. They are designed for simple and intuitive migration with identical peripheral modules, hex compatible code, identical linear address map and pin compatible migration paths between all devices in the product series. All devices include intelligent and flexible peripherals, Event System for inter-peripheral signaling, and support for capacitive touch button, slider and wheel user interfaces. Features • Processor – ARM Cortex-M0+ CPU running at up to 48MHz • Single-cycle hardware multiplier • Micro Trace Buffer (MTB) • Memories – 32/64/128/256KB in-system self-programmable Flash – 4/8/16/32KB SRAM Memory • System – Power-on reset (POR) and brown-out detection (BOD) – Internal and external clock options with 48MHz Digital Frequency Locked Loop (DFLL48M) and 48MHz to 96MHz Fractional Digital Phase Locked Loop (FDPLL96M) – External Interrupt Controller (EIC) – 16 external interrupts – One non-maskable interrupt – Two-pin Serial Wire Debug (SWD) programming, test and debugging interface • Low Power – Idle and standby sleep modes – SleepWalking peripherals • Peripherals – 12-channel Direct Memory Access Controller (DMAC) – 12-channel Event System – Up to five 16-bit Timer/Counters (TC), configurable as either: • One 16-bit TC with two compare/capture channels • One 8-bit TC with two compare/capture channels • One 32-bit TC with two compare/capture channels, by using two TCs – Three 24-bit Timer/Counters for Control (TCC), with extended functions: This is a summary document. A complete document is available on our Web site at www.microchip.com © 2017 Microchip Technology Inc. Datasheet Summary 40001884A-page 1 |
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