ATSAML21J18B-UUT
- Mfr.Part #
- ATSAML21J18B-UUT
- Manufacturer
- Microchip Technology
- Package / Case
- 64-XFBGA, WLCSP
- Datasheet
- Download
- Description
- IC MCU 32BIT 256KB FLASH 64WLCSP
- Stock
- 40,353
- In Stock :
- 40,353
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Screening Level :
- TS 16949
- Supply Voltage-Min (Vsup) :
- 1.62V
- JESD-30 Code :
- R-PBGA-B64
- Connectivity :
- I2C, LINbus, SCI, SPI, UART/USART, USB
- Brand :
- Microchip Technology
- DAC Channels :
- yes
- Data Converters :
- A/D 20x12b, D/A 2x12b
- Surface Mount :
- yes
- Number of I/Os :
- 51 I/O
- Width :
- 3.275mm
- Product Category :
- ARM Microcontrollers - MCU
- Published :
- 2001
- Maximum Operating Temperature :
- + 85 C
- Number of Terminations :
- 64
- Product Type :
- ARM Microcontrollers - MCU
- Terminal Position :
- BOTTOM
- Product :
- MCU
- EEPROM Size :
- --
- Series :
- SAM L21J
- Voltage - Supply (Vcc/Vdd) :
- 1.62V~3.63V
- Interface :
- I2C, LIN, SCI, SPI, UART, USART, USB
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Core Architecture :
- ARM
- Packaging :
- Tape and Reel (TR)
- Product Status :
- Active
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Mounting Type :
- Surface Mount
- Frequency :
- 48MHz
- Manufacturer :
- Microchip
- Bit Size :
- 32
- Length :
- 3.58mm
- Terminal Pitch :
- 0.4mm
- PWM Channels :
- yes
- Minimum Operating Temperature :
- - 40 C
- Core Size :
- 32-Bit
- Supplier Device Package :
- 64-WLCSP
- Speed :
- 48MHz
- Program Memory Type :
- Flash
- Memory Size :
- 256KB
- RAM Size :
- 32K x 8
- Number of Timers/Counters :
- 5 Timer
- Terminal Form :
- Ball
- RoHS Status :
- ROHS3 Compliant
- DMA Channels :
- yes
- JESD-609 Code :
- e1
- Height Seated (Max) :
- 0.483mm
- Interface Type :
- I2C, SPI, UART, USART
- Number of I/O :
- 51
- Pbfree Code :
- yes
- Terminal Finish :
- Tin/Silver/Copper (Sn/Ag/Cu)
- Peripherals :
- DMA, POR, PWM, WDT
- Number of ADC Channels :
- 20 Channel
- Base Part Number :
- ATSAML21J
- Has ADC :
- yes
- Data Converter :
- A/D 20x12b; D/A 2x12b
- Data Bus Width :
- 32 bit
- Core Processor :
- ARM® Cortex®-M0+
- Base Product Number :
- ATSAML21
- Program Memory Size :
- 256KB 256K x 8
- Supply Voltage :
- 3.3V
- On Chip Program ROM Width :
- 8
- Supply Voltage-Max (Vsup) :
- 3.63V
- Operating Temperature :
- -40°C~85°C TA
- Package / Case :
- 64-XFBGA, WLCSP
- Package :
- Tape and Reel (TR);Cut Tape (CT);
- Oscillator Type :
- Internal
- Factory Lead Time :
- 4 Weeks
- Mounting Style :
- SMD/SMT
- Subcategory :
- Microcontrollers - MCU
- RoHS :
- Details
- Datasheets
- ATSAML21J18B-UUT

Microcontrollers Microchip Technology ATSAML21J18B-UUT Overview
Introducing the Microcontrollers Microchip Technology ATSAML21J18B-UUT, a high-performance, low-power microcontroller unit (MCU) designed to meet the demanding requirements of modern embedded systems. This MCU, developed by Microchip Technology, features a robust 32-bit ARM Cortex-M0+ processor, which offers a perfect blend of efficiency and power for a variety of applications. With 256KB of flash memory and a compact 64-WLCSP (Wafer Level Chip Scale Package), the ATSAML21J18B-UUT provides a scalable solution for designers looking to push the boundaries of IoT and smart, connected technologies. Its advanced power management techniques ensure optimal consumption levels, making it ideal for battery-powered devices.
ATSAML21J18B-UUT Features
The ATSAML21J18B-UUT boasts a range of features that make it a versatile choice for developers. Key attributes include its 256KB of integrated flash memory, extensive sensor interfaces, and full-speed USB interface, which allows for high-speed data transfer and updates. Additionally, the MCU supports advanced security protocols to ensure data integrity and secure communications in critical systems. The integration of a high-precision analog-to-digital converter (ADC) supports detailed and accurate sensor readings, further enhancing its utility in complex environments.
ATSAML21J18B-UUT Applications
- Smart Home Devices: Utilizing its low power consumption and robust security features, the ATSAML21J18B-UUT can be used in smart thermostats, security systems, and lighting controls, enabling smarter and more efficient home management.
- Wearable Health Technology: The MCU's compact size and efficiency make it ideal for wearable health monitors, such as fitness trackers and heart rate monitors, where long battery life and dependable performance are crucial.
- Industrial Automation: With its extensive GPIO capabilities and ADC, the ATSAML21J18B-UUT serves well in automation controllers, sensor hubs, and user interface controls, facilitating enhanced process control and machine-to-machine communication.
- IoT Devices: Perfect for IoT applications requiring connectivity, low power, and high security, this MCU drives innovative solutions in smart meters, agricultural sensors, and urban development technologies.
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