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SAM L21 Series Microcontrollers

Microchip offers its SAM L21 ultra-low-power MCU series, operating at a maximum frequency of 48 MHz and reaching 2.46 Coremark®/MHz.

Image of Atmel's SAM L21 Series MicrocontrollersA rich set of peripherals, flexibility and ease-of-use combined with ultra-low-power consumption make Microchip's Atmel ǀ SMART SAM L21 ARM® Cortex®-M0+ based microcontroller series ideal for IoT, wireless, and any system that needs large memory and ultra-low-power consumption. The SAM L21 is designed for simple and intuitive migration between SAM L devices with identical peripheral modules, compatible code and a linear address map, and is compatible with the SAM D family of general-purpose MCUs.

Benefits
  • ARM Cortex -M0+ based MCU running up to 48 MHz
  • Up to 256 KB embedded Flash and 40 KB SRAM
  • Low power consumption at <35 µA/MHz
  • DMA, sleepwalking, and event system
  • Up to six flexible serial communication modules (SERCOM)
  • Up to eight timers/counters
  • Full-speed USB device and embedded Host
  • 12-bit ADC (SAM L21J: 20 channels; SAM L21G: 14 channels; SAM L21E: 10 channels); 12-bit 2ch DAC
  • Three op amps, two analog comparators, and programmable logic block
  • Hardware touch support
  • QFP and QFN package options (SAM L21J: 64 pins; SAM L21G: 48 pins; SAM L21E: 32 pins)

SAM L21 Series Microcontrollers

ImageManufacturer Part NumberDescriptionNumber of I/OProgram Memory SizeAvailable QuantityView Details
IC MCU 32BIT 256KB FLASH 32TQFPATSAML21E18B-AUTIC MCU 32BIT 256KB FLASH 32TQFP25256KB (256K x 8)2959 - ImmediateView Details
IC MCU 32BIT 256KB FLASH 32QFNATSAML21E18B-MUTIC MCU 32BIT 256KB FLASH 32QFN25256KB (256K x 8)4165 - ImmediateView Details
IC MCU 32BIT 128KB FLASH 48TQFPATSAML21G17B-AUTIC MCU 32BIT 128KB FLASH 48TQFP37128KB (128K x 8)2256 - ImmediateView Details
IC MCU 32BIT 256KB FLASH 48TQFPATSAML21G18B-AUTIC MCU 32BIT 256KB FLASH 48TQFP37256KB (256K x 8)2642 - ImmediateView Details
IC MCU 32BIT 256KB FLASH 48QFNATSAML21G18B-MUTIC MCU 32BIT 256KB FLASH 48QFN37256KB (256K x 8)0View Details
IC MCU 32BIT 64KB FLASH 64TQFPATSAML21J16B-AUTIC MCU 32BIT 64KB FLASH 64TQFP5164KB (64K x 8)1478 - ImmediateView Details
IC MCU 32BIT 64KB FLASH 64QFNATSAML21J16B-MUTIC MCU 32BIT 64KB FLASH 64QFN5164KB (64K x 8)0View Details
IC MCU 32BIT 128KB FLASH 64TQFPATSAML21J17B-AUTIC MCU 32BIT 128KB FLASH 64TQFP51128KB (128K x 8)2695 - ImmediateView Details
IC MCU 32BIT 128KB FLASH 64QFNATSAML21J17B-MUTIC MCU 32BIT 128KB FLASH 64QFN51128KB (128K x 8)0View Details
IC MCU 32BIT 256KB FLASH 64TQFPATSAML21J18B-AUTIC MCU 32BIT 256KB FLASH 64TQFP51256KB (256K x 8)2956 - ImmediateView Details

Eval Board

ImageManufacturer Part NumberDescriptionCore ProcessorTypeAvailable QuantityView Details
SAM L21 XPLAINED PRO ATSAML21ATSAML21-XPRO-BSAM L21 XPLAINED PRO ATSAML21ARM® Cortex®-M0+MCU 32-Bit46 - ImmediateView Details
Published: 2016-01-22