ATSAMD21J18A-AU
- Mfr.Part #
- ATSAMD21J18A-AU
- Manufacturer
- Microchip Technology
- Package / Case
- 64-TQFP Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 32BIT 256KB FLASH 64TQFP
- Stock
- 77,517
- In Stock :
- 77,517
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- * Quantity:
- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Number of UART Channels :
- 6
- Temperature Grade :
- Industrial
- Number of I/O Lines :
- 52
- Number of I2C Channels :
- 6
- Frequency :
- 48MHz
- Number of SPI Channels :
- 6
- Supplier Device Package :
- 64-TQFP (10x10)
- Mounting Type :
- Surface Mount
- Has ADC :
- yes
- RAM Size :
- 32K x 8
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Number of I/O :
- 52
- Contact Plating :
- Tin
- Voltage - Supply (Vcc/Vdd) :
- 1.62V~3.6V
- Program Memory Size :
- 256KB 256K x 8
- EEPROM Size :
- --
- Interface Type :
- I2C, I2S, LIN, SPI, USART
- Operating Temperature :
- -40°C~85°C TA
- Pbfree Code :
- yes
- Terminal Pitch :
- 0.5mm
- Peak Reflow Temperature (Cel) :
- 260
- Dimensions :
- 10 x 10 x 1.05mm
- Interface :
- I2C, I2S, LIN, SPI, UART, USART, USB
- Number of I/Os :
- 52 I/O
- Supply Current-Max :
- 7 mA
- Number of Timers/Counters :
- 8
- Package Shape :
- Square
- Interfaces :
- I2C/I2S/SPI/UART/USA
- Typical Operating Supply Voltage :
- 3.6 (Maximum) V
- DAC Channels :
- yes
- DMA Channels :
- yes
- Product Category :
- ARM Microcontrollers - MCU
- Connectivity :
- I2C, LINbus, SPI, UART/USART, USB
- Reach Compliance Code :
- Compliant
- Number of Terminations :
- 64
- Number of Terminals :
- 64
- Mounting Style :
- SMD/SMT
- Length :
- 10mm
- Family Name :
- ATSAMD
- Data Converters :
- A/D 20x12b, D/A 1x10b
- Pin Count :
- 64
- ROM (words) :
- 262144
- Package Type :
- TQFP
- Published :
- 2014
- Core Size :
- 32-Bit
- Device Core :
- ARM Cortex M0+
- Supply Voltage :
- 3.3V
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Product Type :
- ARM Microcontrollers - MCU
- Watchdog Timer :
- yes
- Number of Pins :
- 64
- Height :
- 1.2mm
- Lead Free :
- Lead Free
- RoHS :
- Details
- RAM (bytes) :
- 32768
- CPU Family :
- CORTEX-M0
- Mount :
- Surface Mount
- Brand :
- Microchip Technology / Atmel
- Instruction Set Architecture :
- ARM
- Terminal Finish :
- Matte Tin (Sn)
- Data Bus Width :
- 32b
- Program Memory Type :
- Flash
- Oscillator Type :
- Internal
- RoHS Status :
- ROHS3 Compliant
- Product :
- MCU
- Base Product Number :
- ATSAMD21
- Core Processor :
- ARM® Cortex®-M0+
- Width :
- 10mm
- Product Status :
- Active
- Terminal Form :
- Gull wing
- MSL :
- MSL 3 - 168 hours
- Bit Size :
- 32
- PWM Channels :
- yes
- Max Junction Temperature (Tj) :
- 100°C
- Series :
- SAM D21J
- Minimum Operating Temperature :
- -40 °C
- Factory Lead Time :
- 5 Weeks
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Package / Case :
- 64-TQFP Exposed Pad
- Surface Mount :
- yes
- Ambient Temperature Range High :
- 85°C
- Speed :
- 48MHz
- Seated Height-Max :
- 1.2 mm
- Manufacturer :
- Microchip
- JESD-609 Code :
- e3
- Number of PWM Channels :
- 14
- Power Supplies :
- 3.3 V
- Core Architecture :
- ARM
- Qualification :
- AEC-Q100
- Qualification Status :
- Not Qualified
- Packaging :
- Tray
- Peripherals :
- Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- ROM Programmability :
- Flash
- REACH SVHC :
- No SVHC
- Memory Size :
- 256KB
- Package :
- Tray
- Number of A/D Converters :
- 1
- JESD-30 Code :
- S-PQFP-G64
- Number of ADC Channels :
- 20
- Operating Supply Voltage :
- 3.3V
- Maximum Operating Temperature :
- +85 °C
- Data Converter :
- A/D 20x12b; D/A 1x10b
- Terminal Position :
- QUAD
- Base Part Number :
- ATSAMD21J18
- Datasheets
- ATSAMD21J18A-AU

Microcontrollers Microchip Technology ATSAMD21J18A-AU Overview
Introducing the Microcontrollers Microchip Technology ATSAMD21J18A-AU, a highly capable and versatile microcontroller unit (MCU) designed by Microchip Technology. This MCU is based on the advanced ARM Cortex-M0+ processor, offering a perfect balance of power efficiency and performance. With 256KB of flash memory and 32-bit architecture, it provides ample space and speed for complex applications, making it ideal for deployment in a range of industrial and commercial products. The ATSAMD21J18A-AU stands out in the market for its robust integration capabilities and low power consumption, setting a benchmark for next-generation microcontrollers.
ATSAMD21J18A-AU Features
The ATSAMD21J18A-AU MCU is packed with features that enhance its functionality and usability. These include 256KB of in-system programmable flash, 32KB of SRAM, and up to 48 pins with multiple functions. Additionally, it supports USB OTG capabilities, which enables it to act as either a device or a host in USB applications, a rare feature in MCUs of this class. Its high-speed serial communication modules include I2C, SPI, and USART, which are essential for modern IoT devices. The MCU also offers a 12-bit ADC with up to 20 channels, providing excellent precision for sensor-driven tasks.
ATSAMD21J18A-AU Applications
- Smart Home Devices: Utilized in applications such as smart lighting and home automation hubs, where its low power consumption and high integration capability enable efficient and reliable operation.
- Internet of Things (IoT) Devices: Ideal for IoT gateways and end devices, leveraging its USB OTG and high-speed communication interfaces to facilitate network connectivity and data transfer.
- Wearable Technology: Used in smartwatches and fitness trackers due to its small form factor and power efficiency, which are critical for the compact and long-lasting designs demanded by wearable tech.
- Medical Monitoring Systems: Applied in patient monitoring systems where precision and reliability are paramount. The MCU's accurate ADC and robust performance ensure reliable operation in critical medical applications.
- Industrial Control Systems: Suitable for automation controllers and real-time monitoring systems in industrial settings, providing robust control capabilities and connectivity to manage complex processes.
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