ATSAML21J18B-MUT
- Mfr.Part #
- ATSAML21J18B-MUT
- Manufacturer
- Microchip Technology
- Package / Case
- 64-VFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 32BIT 256KB FLASH 64QFN
- Stock
- 519
- In Stock :
- 519
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Height Seated (Max) :
- 1mm
- Number of I/Os :
- 51 I/O
- Peripherals :
- DMA, POR, PWM, WDT
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Maximum Operating Temperature :
- + 85 C
- Bit Size :
- 32
- RoHS :
- Details
- Operating Temperature :
- -40°C~85°C TA
- Length :
- 9mm
- ROM Programmability :
- Flash
- Mounting Style :
- SMD/SMT
- Program Memory Type :
- Flash
- Supply Voltage :
- 3.3V
- Minimum Operating Temperature :
- - 40 C
- Watchdog Timer :
- yes
- Has ADC :
- yes
- Packaging :
- Tape and Reel (TR)
- Temperature Grade :
- Industrial
- Connectivity :
- I2C, LINbus, SCI, SPI, UART/USART, USB
- Pbfree Code :
- yes
- Core Size :
- 32-Bit
- JESD-609 Code :
- e3
- Number of Pins :
- 64
- Program Memory Size :
- 256KB 256K x 8
- Interface Type :
- I2C, LIN, SPI, USART, USB
- MSL :
- MSL 3 - 168 hours
- Series :
- SAM L21J
- JESD-30 Code :
- S-XQCC-N64
- Interface :
- I2C, LIN, SCI, SPI, UART, USART, USB
- Contact Plating :
- Tin
- Number of Timers/Counters :
- 8
- Terminal Pitch :
- 0.5mm
- Surface Mount :
- yes
- DMA Channels :
- yes
- Supply Voltage-Max (Vsup) :
- 3.63V
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Number of I/O Lines :
- 51
- Product Status :
- Active
- Supplier Device Package :
- 64-QFN (9x9)
- Terminal Form :
- NO LEAD
- Speed :
- 48MHz
- Memory Size :
- 256KB
- Product :
- MCU
- DAC Channels :
- yes
- PWM Channels :
- yes
- REACH SVHC :
- No SVHC
- Product Type :
- ARM Microcontrollers - MCU
- On Chip Program ROM Width :
- 8
- Base Product Number :
- ATSAML21
- Number of ADC Channels :
- 10 Channel
- Number of Terminations :
- 64
- Screening Level :
- TS 16949
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Voltage - Supply (Vcc/Vdd) :
- 1.62V~3.63V
- Brand :
- Microchip Technology
- RoHS Status :
- ROHS3 Compliant
- Number of I/O :
- 51
- Seated Height-Max :
- 1 mm
- Oscillator Type :
- Internal
- RAM Size :
- 32K x 8
- Manufacturer :
- Microchip
- Mounting Type :
- Surface Mount
- Subcategory :
- Microcontrollers - MCU
- Device Core :
- ARM Cortex M0+
- Data Converter :
- A/D 20x12b; D/A 2x12b
- Terminal Finish :
- Matte Tin (Sn)
- Data Bus Width :
- 32b
- Base Part Number :
- ATSAML21J
- Mount :
- Surface Mount
- Number of Terminals :
- 64
- Frequency :
- 48MHz
- Product Category :
- ARM Microcontrollers - MCU
- Package Shape :
- Square
- Operating Supply Voltage :
- 3.3V
- Data Converters :
- A/D 20x12b, D/A 2x12b
- Core Architecture :
- ARM
- Lead Free :
- Lead Free
- Interfaces :
- I2C/SPI/UART/USART/U
- Core Processor :
- ARM® Cortex®-M0+
- Factory Lead Time :
- 13 Weeks
- DAC Resolution :
- 12 bit
- Width :
- 9 mm
- Published :
- 2016
- Package / Case :
- 64-VFQFN Exposed Pad
- Terminal Position :
- QUAD
- Reach Compliance Code :
- Compliant
- EEPROM Size :
- --
- Datasheets
- ATSAML21J18B-MUT

Microcontrollers Microchip Technology ATSAML21J18B-MUT Overview
The ATSAML21J18B-MUT by Microchip Technology is a cutting-edge microcontroller unit (MCU) designed for sophisticated, low-power applications requiring significant integration. This device, part of the wider SAM L21 series, offers a perfect balance between performance and power consumption, leveraging ARM's Cortex-M0+ core with up to 48 MHz of processing power. The integration of 256KB of flash memory and 32KB of SRAM in a compact 64QFN package makes the Microcontrollers Microchip Technology ATSAML21J18B-MUT a highly versatile solution for developers looking to enhance their systems while maintaining stringent power budgets.
ATSAML21J18B-MUT Features
The ATSAML21J18B-MUT stands out with its ultra-low power consumption, supporting a variety of power-saving modes that extend battery life in portable devices. This MCU features a 32-bit ARM Cortex-M0+ core, 256KB flash memory, and 32KB SRAM, along with extensive peripheral connectivity that includes USB, I2C, SPI, and UART interfaces. Enhanced security and reliability are ensured with built-in ECC (Error Correction Code) and CRC (Cyclic Redundancy Check) support. Additionally, it supports capacitive touch sensing, making it ideal for user interfaces in various applications.
ATSAML21J18B-MUT Applications
- Wearable Technology: In devices such as smartwatches or fitness trackers, the ATSAML21J18B-MUT manages sensor data integration and user interface controls while optimizing battery life through its low-power architecture.
- Smart Home Devices: Utilized in products like smart thermostats or lighting systems, this MCU offers the necessary processing power and connectivity options to handle complex user interactions and network communications.
- Medical Devices: Ideal for portable medical diagnostics or monitoring systems, where reliability and low power consumption are critical for continuous patient monitoring and data processing.
- Industrial Automation: Suitable for controllers and sensors in industrial environments, the ATSAML21J18B-MUT's robust architecture ensures reliable operation under tough conditions.
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