ATSAMD21J18A-AF
- Mfr.Part #
- ATSAMD21J18A-AF
- Manufacturer
- Microchip Technology
- Package / Case
- 64-TQFP Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 32BIT 256KB FLASH 64TQFP
- Stock
- 1,508
- In Stock :
- 1,508
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Core Architecture :
- ARM
- Product Status :
- Active
- Memory Size :
- 256KB
- Mounting Type :
- Surface Mount
- Speed :
- 48MHz
- Reach Compliance Code :
- Compliant
- Length :
- 10mm
- Instruction Set Architecture :
- ARM
- Data Bus Width :
- 32b
- Product Category :
- ARM Microcontrollers - MCU
- Temperature Grade :
- Automotive
- Surface Mount :
- yes
- Number of Timers/Counters :
- 8
- Package :
- Tray
- Terminal Position :
- QUAD
- Supply Voltage-Max (Vsup) :
- 3.63V
- Connectivity :
- I2C, LINbus, SPI, UART/USART, USB
- Base Part Number :
- ATSAMD21J18
- Factory Lead Time :
- 11 Weeks
- Peripherals :
- Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Voltage - Supply (Vcc/Vdd) :
- 1.62V~3.6V
- Terminal Finish :
- Matte Tin (Sn)
- Base Product Number :
- ATSAMD21
- Product Type :
- ARM Microcontrollers - MCU
- Mount :
- Surface Mount
- Frequency :
- 48MHz
- RAM Size :
- 32K x 8
- Family Name :
- ATSAMD
- Data Converter :
- A/D 20x12b; D/A 1x10b
- RoHS :
- Details
- Interface :
- I2C, I2S, LIN, SPI, UART, USART, USB
- Terminal Pitch :
- 0.5mm
- PWM Channels :
- yes
- Core Size :
- 32-Bit
- Number of UART Channels :
- 6
- Watchdog Timer :
- yes
- Has ADC :
- yes
- Package / Case :
- 64-TQFP Exposed Pad
- RoHS Status :
- ROHS3 Compliant
- Core Processor :
- ARM® Cortex®-M0+
- ROM Programmability :
- Flash
- Contact Plating :
- Tin
- Height Seated (Max) :
- 1.2mm
- Package Shape :
- Square
- Number of I2C Channels :
- 6
- Pin Count :
- 64
- Device Core :
- ARM Cortex M0+
- Program Memory Type :
- Flash
- Published :
- 2008
- MSL :
- MSL 3 - 168 hours
- Minimum Operating Temperature :
- -40 °C
- JESD-30 Code :
- S-PQFP-G64
- REACH SVHC :
- No SVHC
- Subcategory :
- Microcontrollers - MCU
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Product :
- MCU
- Height :
- 1.05mm
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Operating Temperature :
- -40°C~125°C TA
- Typical Operating Supply Voltage :
- 3.6 (Maximum) V
- Oscillator Type :
- Internal
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Operating Supply Voltage :
- 3.3V
- Interface Type :
- I2C, I2S, LIN, SPI, USART
- Number of Pins :
- 64
- Number of SPI Channels :
- 6
- Number of ADC Channels :
- 20 Channel
- Interfaces :
- I2S/LIN/SPI/USART/US
- Terminal Form :
- Gull wing
- Number of Terminations :
- 64
- Number of Terminals :
- 64
- Number of I/O Lines :
- 52
- Data Converters :
- A/D 20x12b, D/A 1x10b
- Packaging :
- Tray
- Mounting Style :
- SMD/SMT
- Maximum Operating Temperature :
- +125 °C
- Dimensions :
- 10 x 10 x 1.05mm
- Number of I/O :
- 52
- Qualification :
- AEC-Q100
- Bit Size :
- 32
- DMA Channels :
- yes
- Manufacturer :
- Microchip
- Program Memory Size :
- 256KB 256K x 8
- Package Type :
- TQFP
- Series :
- Automotive, AEC-Q100, SAM D21J
- EEPROM Size :
- --
- Brand :
- Microchip Technology / Atmel
- Pbfree Code :
- yes
- Peak Reflow Temperature (Cel) :
- 260
- Width :
- 10mm
- Supply Voltage :
- 3.3V
- Number of I/Os :
- 52 I/O
- Supplier Device Package :
- 64-TQFP (10x10)
- DAC Channels :
- yes
- Seated Height-Max :
- 1.2 mm
- JESD-609 Code :
- e3
- Datasheets
- ATSAMD21J18A-AF
ATSAMD21J18A-AF Documents

Microcontrollers Microchip Technology ATSAMD21J18A-AF Overview
The Microcontrollers Microchip Technology ATSAMD21J18A-AF is a highly integrated and efficient microcontroller unit (MCU) tailored for sophisticated applications requiring a perfect balance of power efficiency and processing capability. Designed by Microchip Technology, this MCU is built on a 32-bit ARM Cortex-M0+ processor, which ensures a robust operation with a maximum CPU speed of 48 MHz. It features a substantial 256KB of flash memory and 32KB of SRAM, making it ideal for advanced IoT devices, automation systems, and smart control applications. The integration of multiple peripheral interfaces, including I2C, SPI, and USB, along with its compact 64-TQFP package, ensures flexibility in design and scalability for future enhancements.
ATSAMD21J18A-AF Features
- 32-bit ARM Cortex-M0+ CPU
- 256KB of flash memory
- 32KB of SRAM
- Up to 48 MHz clock speed
- Multipurpose Serial Communication Interfaces (SPI/I2C/USART)
- USB Device and Host capabilities
- Extensive pinout with multiple functions (GPIO, ADC, DAC)
- 64-TQFP packaging for efficient PCB space usage
ATSAMD21J18A-AF Applications
- Smart Home Devices - Utilizes its low power consumption and high integration for smart thermostats, security systems, and lighting controllers.
- Internet of Things (IoT) - Offers essential connectivity options and powerful processing capabilities for IoT gateways and sensors.
- Industrial Automation - Enables robust control for automation machinery and process control systems with its extensive GPIO capabilities and real-time performance.
- Wearable Technology - Ideal for wearable devices due to its compact size and efficiency, supporting features like fitness tracking and mobile notifications.
- Medical Devices - Supports the development of portable medical diagnostics equipment, leveraging its low power usage and ADC functionalities for precise measurements.
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