ATSAMD21J18A-CU
- Mfr.Part #
- ATSAMD21J18A-CU
- Manufacturer
- Microchip Technology
- Package / Case
- 64-UFBGA
- Datasheet
- Download
- Description
- IC MCU 32BIT 256KB FLASH 64UFBGA
- Stock
- 2,220
- In Stock :
- 2,220
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Product :
- MCU
- Series :
- SAM D21J
- Subcategory :
- Microcontrollers - MCU
- Package Shape :
- Square
- Base Part Number :
- ATSAMD21J18
- Manufacturer :
- Microchip
- Pbfree Code :
- yes
- DMA Channels :
- yes
- Reach Compliance Code :
- Compliant
- Seated Height-Max :
- 0.65 mm
- Base Product Number :
- ATSAMD21
- Memory Size :
- 256KB
- Frequency :
- 48MHz
- Device Core :
- ARM Cortex M0+
- Supplier Device Package :
- 64-UFBGA (5x5)
- JESD-30 Code :
- S-PBGA-B64
- Brand :
- Microchip Technology
- Voltage - Supply (Vcc/Vdd) :
- 1.62V~3.6V
- Number of Terminals :
- 64
- RAM Size :
- 32K x 8
- Operating Temperature :
- -40°C~85°C TA
- Factory Lead Time :
- 7 Weeks
- Watchdog Timer :
- yes
- Package / Case :
- 64-UFBGA
- Temperature Grade :
- Industrial
- Mounting Style :
- SMD/SMT
- MSL :
- MSL 3 - 168 hours
- Bit Size :
- 32
- Data Converters :
- A/D 20x12b, D/A 1x10b
- Contact Plating :
- Tin
- Has ADC :
- yes
- Qualification :
- AEC-Q100
- Packaging :
- Tray
- DAC Channels :
- yes
- Operating Supply Voltage :
- 3.3V
- Peripherals :
- Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Program Memory Type :
- Flash
- Number of Terminations :
- 64
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Package :
- Tray
- Supply Voltage :
- 3.3V
- Speed :
- 48MHz
- RoHS Status :
- ROHS3 Compliant
- Product Status :
- Active
- Number of I/O Lines :
- 53
- Number of Timers/Counters :
- 8
- Height Seated (Max) :
- 0.65mm
- Mounting Type :
- Surface Mount
- Program Memory Size :
- 256KB 256K x 8
- Length :
- 5mm
- Surface Mount :
- yes
- Number of I/Os :
- 52 I/O
- PWM Channels :
- yes
- Data Converter :
- A/D 20x12b; D/A 1x10b
- Maximum Operating Temperature :
- + 85 C
- Core Processor :
- ARM® Cortex®-M0+
- EEPROM Size :
- --
- REACH SVHC :
- No SVHC
- Width :
- 5 mm
- Mount :
- Surface Mount
- Terminal Pitch :
- 0.5mm
- Interface :
- I2C, I2S, LIN, SPI, UART, USART, USB
- Terminal Form :
- Ball
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- ROM Programmability :
- Flash
- Product Type :
- ARM Microcontrollers - MCU
- Number of Pins :
- 64
- Interfaces :
- I2C/I2S/SPI/UART/USA
- Connectivity :
- I2C, LINbus, SPI, UART/USART, USB
- Core Architecture :
- ARM
- Number of ADC Channels :
- 20 Channel
- Oscillator Type :
- Internal
- Interface Type :
- I2C, I2S, LIN, SPI, USART
- Product Category :
- ARM Microcontrollers - MCU
- RoHS :
- Details
- Data Bus Width :
- 32b
- Published :
- 2006
- Supply Voltage-Max (Vsup) :
- 3.63V
- Core Size :
- 32-Bit
- Number of I/O :
- 52
- Terminal Position :
- BOTTOM
- Minimum Operating Temperature :
- - 40 C
- Datasheets
- ATSAMD21J18A-CU
ATSAMD21J18A-CU Documents

Microcontrollers Microchip Technology ATSAMD21J18A-CU Overview
The Microcontrollers Microchip Technology ATSAMD21J18A-CU is a powerful and versatile 32-bit microcontroller unit (MCU) that excels in various embedded applications requiring efficiency and reliability. Manufactured by Microchip Technology, this MCU is built on a high-performance ARM Cortex-M0+ processor that offers a perfect blend of power efficiency and processing capability. With 256KB of flash memory and packaged in a compact 64-UFBGA, the ATSAMD21J18A-CU is designed for sophisticated, space-constrained applications. Its low power consumption and rich set of peripherals make it an ideal choice for developing advanced and connected devices in the industrial, automotive, and consumer electronics sectors.
ATSAMD21J18A-CU Features
- 32-bit ARM Cortex-M0+ processor for efficient and responsive operation
- 256KB of flash memory to handle complex applications and firmware
- Low power consumption suitable for battery-operated devices
- 64-pin UFBGA package for a minimal footprint in design
- Extensive I/O options and peripheral support to enhance device connectivity and functionality
ATSAMD21J18A-CU Applications
- Smart Home Devices: Utilizes its low power consumption and connectivity features to manage and control smart home ecosystems efficiently.
- Wearable Technology: The small form factor and efficiency of the ATSAMD21J18A-CU are perfect for wearable devices, supporting long battery life and complex user interfaces.
- Industrial Automation: Powers control systems, offering robustness and sufficient processing capabilities to handle multiple tasks in real-time.
- Internet of Things (IoT) Devices: Provides the necessary computational power and connectivity options for various IoT applications, enabling smart, connected solutions.
- Automotive Applications: Suitable for automotive electronics that require reliable operation under harsh conditions and tight spaces.
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