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ATMEL Corporation - SMART ARM-based Flash MCU

Numéro de référence SAML21E18A
Description SMART ARM-based Flash MCU
Fabricant ATMEL Corporation 
Logo ATMEL Corporation 





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SAML21E18A fiche technique
SMART ARM-based Microcontroller
SAM L21E / SAM L21G / SAM L21J
DATASHEET PRELIMINARY
Introduction
Atmel® | SMART SAM L21 is a series of Ultra low-power microcontrollers
using the 32-bit ARM® Cortex®-M0+ processor at max. 48MHz (2.46
CoreMark®/MHz) and up to 256KB Flash and 44KB of SRAM in a 32-64 pin
package. The sophisticated power management technologies, such as
power domain gating, SleepWalking, Ultra low-power peripherals and more,
allow for very low current consumptions. The highly configurable peripherals
include a touch controller supporting capacitive interfaces with proximity
sensing.
Features
Processor
ARM Cortex-M0+ CPU running at up to 48MHz
• Single-cycle hardware multiplier
• Micro Trace Buffer
Memories
32/64/128/256KB in-system self-programmable Flash
1/2/4/8KB Flash Read-While-Write section
4/8/16/32KB SRAM Main Memory
2/4/8/8KB SRAM Low power Memory
System
Power-on reset (POR) and brown-out detection (BOD)
Internal and external clock options
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, Standby, Backup, and Off sleep modes
SleepWalking peripherals
Atmel-42385C-SAM L21_Datasheet_Preliminary-03/2015

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