ATSAML21J18A-AUT
- Mfr.Part #
- ATSAML21J18A-AUT
- Manufacturer
- Microchip Technology
- Package / Case
- 64-TQFP Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 32BIT 256KB FLASH 64TQFP
- Stock
- 1,100
- In Stock :
- 1,100
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Speed :
- 48MHz
- Contact Plating :
- Tin
- ROM Programmability :
- Flash
- Memory Type :
- Flash
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Operating Temperature :
- -40°C~85°C TA
- Temperature Grade :
- Industrial
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- DMA Channels :
- yes
- Lead Free :
- Lead Free
- Terminal Position :
- QUAD
- Interfaces :
- I2C/SPI/UART/USART
- Seated Height-Max :
- 1.2 mm
- CPU Family :
- CORTEX-M0
- Number of I/O Lines :
- 51
- Number of Programmable I/O :
- 51
- Number of GPIO :
- 51
- Min Supply Voltage :
- 1.62 V
- ROM (words) :
- 65536
- Peak Reflow Temperature (Cel) :
- NOT SPECIFIED
- Program Memory Size :
- 256KB 256K x 8
- Terminal Finish :
- Matte Tin (Sn)
- Number of Timers/Counters :
- 8
- PWM Channels :
- No
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Oscillator Type :
- Internal
- Supply Voltage :
- 3.3V
- Core Size :
- 32-Bit
- Height Seated (Max) :
- 1.2mm
- Number of Terminals :
- 64
- Number of Terminations :
- 64
- Bit Size :
- 32
- On Chip Program ROM Width :
- 32
- RoHS :
- Compliant
- Supplier Device Package :
- 64-TQFP (10x10)
- RAM Size :
- 32K x 8
- JESD-30 Code :
- S-PQFP-G64
- Terminal Pitch :
- 0.5mm
- REACH SVHC :
- No SVHC
- Number of I/Os :
- 51
- RAM (bytes) :
- 32768
- Boundary Scan :
- yes
- Device Core :
- ARM Cortex M0+
- Data Converters :
- A/D 20x12b, D/A 2x12b
- Max Supply Voltage :
- 3.63 V
- Base Part Number :
- ATSAML21J18
- Max Operating Temperature :
- 85 °C
- Low Power Mode :
- yes
- HTS Code :
- 8542.31.00.01
- Published :
- 2016
- Number of DMA Channels :
- 16
- Number of I/O :
- 51
- Manufacturer :
- Microchip Technology Inc
- Memory Size :
- 256KB
- Core Architecture :
- ARM
- Has ADC :
- yes
- Width :
- 10 mm
- DAC Channels :
- yes
- ECCN Code :
- 5A992.C
- Program Memory Type :
- Flash
- Number of Timers :
- 5
- RoHS Status :
- ROHS3 Compliant
- Integrated Cache :
- yes
- Connectivity :
- I2C, LINbus, SCI, SPI, UART/USART, USB
- Min Operating Temperature :
- -40 °C
- Package Shape :
- Square
- Density :
- 2 Mb
- Surface Mount :
- yes
- Base Product Number :
- ATSAML21
- Format :
- FIXED-POINT
- RAM (words) :
- 8192
- Length :
- 10mm
- Frequency :
- 48MHz
- Interface :
- I2C, LIN, SCI, SPI, UART, USART, USB
- Voltage - Supply (Vcc/Vdd) :
- 1.62V~3.63V
- Data Bus Width :
- 32b
- Mounting Type :
- Surface Mount
- On Chip Data RAM Width :
- 32
- Peripherals :
- DMA, POR, PWM, WDT
- Number of Pins :
- 64
- Max Frequency :
- 48 MHz
- Data Converter :
- A/D 20x12b; D/A 2x12b
- Packaging :
- Tape and Reel (TR)
- Terminal Form :
- Gull wing
- Product Status :
- Discontinued at Digi-Key
- Watchdog Timer :
- yes
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- EEPROM Size :
- --
- Time-Min :
- SECONDS
- Operating Supply Voltage :
- 3.63V
- JESD-609 Code :
- e3
- Reach Compliance Code :
- Compliant
- Core Processor :
- ARM® Cortex®-M0+
- Number of External Interrupts :
- 16
- Series :
- SAM L21J
- Package / Case :
- 64-TQFP Exposed Pad
- Datasheets
- ATSAML21J18A-AUT

Microcontrollers Microchip Technology ATSAML21J18A-AUT Overview
The Microcontrollers Microchip Technology ATSAML21J18A-AUT is a high-performance, low-power MCU from Microchip Technology, tailored for advanced control systems. This microcontroller integrates a 32-bit ARM Cortex-M0+ CPU with up to 256KB of flash memory and 32KB of SRAM, housed in a compact 64-pin TQFP package. Its design focuses on minimizing power consumption while maximizing reliability and performance, making it an ideal choice for sophisticated yet energy-sensitive applications. With a rich set of peripherals and extensive I/O capabilities, this microcontroller offers a versatile solution for a wide range of industrial, commercial, and consumer applications.
ATSAML21J18A-AUT Features
The ATSAML21J18A-AUT microcontroller includes numerous features that enhance its functionality and ease of integration:
- 32-bit ARM Cortex-M0+ processor for efficient data handling and processing.
- 256KB of flash memory and 32KB of SRAM, providing substantial space for complex applications.
- Low power consumption modes for energy-sensitive applications, ensuring longer battery life and reduced environmental impact.
- Comprehensive set of peripherals including multiple SPI, I2C, and UART interfaces for extensive external communications.
- Integrated ADCs and DACs for real-time analog signal processing and control.
- 64-pin TQFP packaging that supports compact and flexible PCB designs.
ATSAML21J18A-AUT Applications
- Smart Home Devices: Utilizes its low power consumption and robust I/O capabilities to enhance connectivity and efficiency in home automation systems.
- Portable Health Monitoring Systems: Leverages its ADCs for precise sensor data acquisition, critical in developing reliable health-related wearable technologies.
- Industrial Automation: Powers control units within industrial environments, capitalizing on its processing capabilities and extended operational temperature range to handle complex automation tasks.
- Energy Management: Integral in systems that require precise data handling and power-efficient operation, such as smart grid and renewable energy sources monitoring.
- IoT Devices: Perfect for Internet of Things applications where low power and high connectivity are paramount, ensuring reliable data transmission and processing.
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