Datasheet Summary SAM D21EL, SAM D21GL (Microchip)

Description32-bit ARM-Based Microcontrollers
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32-bit ARM-Based. Microcontrollers. SAM D21EL / SAM D21GL Summary. Introduction. Features. Datasheet Summary

Datasheet Summary SAM D21EL, SAM D21GL Microchip, Revision: 02-01-2017

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32-bit ARM-Based Microcontrollers SAM D21EL / SAM D21GL Summary Introduction
The SAM D21L is a series of low-power microcontrollers using the 32-bit ARM® Cortex®-M0+ processor, and ranging from 32- to 48-pins with up to 64KB Flash and 8KB of SRAM. The SAM D21L devices 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.
• Processor – ARM Cortex-M0+ CPU running at up to 48MHz • Single-cycle hardware multiplier • Micro Trace Buffer (MTB) • Memories – 32/64KB in-system self-programmable Flash – 4/8KB 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: © 2017 Microchip Technology Inc.
Datasheet Summary
40001885A-page 1 Document Outline Introduction Features Table of Contents 1. Description 2. Configuration Summary 3. Ordering Information 3.1. SAM D21ExL 3.2. SAM D21GxL 3.3. Device Identification 4. Block Diagram 5. Pinout 5.1. SAM D21GxL 5.1.1. QFN48 5.2. SAM D21ExL 5.2.1. QFN32 / TQFP32 6. Product Mapping 7. Processor And Architecture 7.1. Cortex M0+ Processor 7.1.1. Cortex M0+ Configuration 7.1.2. Cortex-M0+ Peripherals 7.1.3. Cortex-M0+ Address Map 7.1.4. I/O Interface Overview Description 7.2. Nested Vector Interrupt Controller 7.2.1. Overview 7.2.2. Interrupt Line Mapping 7.3. Micro Trace Buffer 7.3.1. Features 7.3.2. Overview 7.4. High-Speed Bus System 7.4.1. Features 7.4.2. Configuration 7.4.3. SRAM Quality of Service 7.5. AHB-APB Bridge 7.6. PAC - Peripheral Access Controller 7.6.1. Overview 7.6.2. Register Description PAC0 Register Description Write Protect Clear Write Protect Set PAC1 Register Description Write Protect Clear Write Protect Set PAC2 Register Description Write Protect Clear Write Protect Set 8. Packaging Information 8.1. Thermal Considerations 8.1.1. Thermal Resistance Data 8.1.2. Junction Temperature 8.2. Package Drawings 8.2.1. 48 pin QFN 8.2.2. 32 pin TQFP 8.2.3. 32 pin QFN 8.3. Soldering Profile The Microchip Web Site Customer Change Notification Service Customer Support Product Identification System Microchip Devices Code Protection Feature Legal Notice Trademarks Quality Management System Certified by DNV Worldwide Sales and Service
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