Microchip Technology

ATSAMD21J16B-MU  

Microcontrollers

The ATSAMD21J16B-MU is a low-power microcontroller unit (MCU) from Microchip Technology. It is part of the SAM D21 family of ARM Cortex-M0+ based MCUs designed for a wide range of embedded applications.

Description:

The ATSAMD21J16B-MU features a 32-bit ARM Cortex-M0+ processor with a maximum clock speed of 48 MHz. It comes in a 28-pin, 4x4 mm UFQFP package. The MCU includes 16 kB of SRAM and 256 kB of program flash memory.

Features:

1. ARM Cortex-M0+ processor with a clock speed of up to 48 MHz.
2. 16 kB of SRAM and 256 kB of program flash memory.
3. A wide range of communication interfaces, including USB, SERCOM (Serial Communication Interface), and I2C.
4. Peripherals such as ADC, DAC, PWM, and RTC (Real-Time Clock).
5. Low-power modes to extend battery life in battery-powered applications.
6. Security features like a unique 128-bit UID and support for AES-128 encryption.
7. Small form factor with a 28-pin UFQFP package.

Applications:

The ATSAMD21J16B-MU is suitable for a variety of embedded applications, including:

1. Industrial control and automation systems.
2. Medical devices and equipment.
3. Portable and battery-powered devices, such as fitness trackers and smart watches.
4. IoT (Internet of Things) devices, such as smart home appliances and sensors.
5. Wearable electronics and smart accessories.
6. Human Interface Devices (HID) like keyboards and mice.
7. Automotive and transportation systems.

The ATSAMD21J16B-MU's combination of low power consumption, a rich set of peripherals, and a compact form factor make it an ideal choice for a wide range of embedded applications requiring a balance between performance, power efficiency, and space constraints.

ATSAMD21J16B-MU Documents

Download datasheets and manufacturer documentation for ATSAMD21J16B-MU

Errata :

SAM D21 Family Errata, Clarification      

PCN Assembly/Origin :

Fab Site 25/Jan/2021      

Datasheets :

SAM D21/DA1 Family Datasheet      

PCN Packaging :

Transfer to Microchip/Label/Pkg 5/Sep/2016       MBB/Label Chgs 16/Nov/2018      

Design Resources :

ATSAMD21J16 Development Tool Selector      

PCN Design/Specification :

SAM D21/DA1 10/Sep/2021       SAM D21/DA1 05/Apr/2021      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH