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

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.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















