Microchip Technology

ATSAML21J18B-AUT  

Microcontrollers

The ATSAML21J18B-AUT is a microcontroller unit (MCU) produced by Microchip Technology. It is part of the SAM L21 family of ARM Cortex-M0+ based MCUs designed for low-power and high-performance applications.

Description:

The ATSAML21J18B-AUT features a 32-bit ARM Cortex-M0+ processor with a maximum CPU frequency of 48 MHz. It includes 256 kB of flash memory, 32 kB of SRAM, and a range of integrated peripherals such as USB, SERCOM (Serial Communication Interface), and ADC (Analog-to-Digital Converter). The MCU operates on a supply voltage range of 1.71 to 3.6 V and has a wide operating temperature range of -40°C to +85°C.

Features:

1. ARM Cortex-M0+ processor with DSP instructions and a FPU for high-performance applications
2. Low-power consumption with multiple sleep modes and a power management unit
3. 256 kB flash memory and 32 kB SRAM
4. Integrated peripherals such as USB, SERCOM, and ADC
5. Flexible clock system with an internal oscillator and support for external clock sources
6. Security features such as a unique 128-bit UID and support for cryptographic functions
7. Wide operating temperature range of -40°C to +85°C

Applications:

The ATSAML21J18B-AUT is suitable for a wide range of applications that require low-power consumption and high performance. Some potential applications include:

1. Battery-powered devices such as wireless sensors, wearables, and portable medical devices
2. Industrial control systems and automation equipment
3. Smart home and IoT devices such as smart thermostats, lighting systems, and home security systems
4. Automotive applications such as body control modules, infotainment systems, and safety systems
5. Medical devices such as portable monitoring equipment and implantable devices

Overall, the ATSAML21J18B-AUT is a versatile and powerful MCU that can be used in a variety of applications where low-power consumption and high performance are required.

ATSAML21J18B-AUT Documents

Download datasheets and manufacturer documentation for ATSAML21J18B-AUT

Errata :

SAM L21 Family Errata~      

PCN Assembly/Origin :

Mult Devices 16/Apr/2018      

Datasheets :

SAM L21(E,G,J) Datasheet Summary       SAM L21 Family Datasheet      

PCN Packaging :

Boxes 07/Dec/2016       Transfer to Microchip/Label/Pkg 5/Sep/2016      

Design Resources :

ATSAML21J18B Development Tool Selector      

HTML Datasheet :

SAM L21(E,G,J) Datasheet Summary      

PCN Design/Specification :

SAM L21 Family Data Sheet 21/Jun/2023       SAM L21 13/Feb/2020      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH