ATSAML21J18B-ANT
- Mfr.Part #
- ATSAML21J18B-ANT
- Manufacturer
- Microchip Technology
- Package / Case
- 64-TQFP Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 32BIT 256KB FLASH 64TQFP
- Stock
- 2,009
- In Stock :
- 2,009
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Peripherals :
- DMA, POR, PWM, WDT
- Packaging :
- Tape and Reel (TR)
- Data Converters :
- A/D 20x12b, D/A 2x12b
- Oscillator Type :
- Internal
- DAC Resolution :
- 12 bit
- Data Converter :
- A/D 20x12b; D/A 2x12b
- JESD-30 Code :
- S-PQFP-G64
- Connectivity :
- I2C, LINbus, SCI, SPI, UART/USART, USB
- Terminal Position :
- QUAD
- Mounting Type :
- Surface Mount
- Bit Size :
- 32
- Product Category :
- ARM Microcontrollers - MCU
- RoHS :
- Details
- HTS Code :
- 8542.31.00.01
- Width :
- 10mm
- PWM Channels :
- yes
- Temperature Grade :
- Industrial
- Number of I/O :
- 51
- Package Shape :
- Square
- Supplier Device Package :
- 64-TQFP (10x10)
- Program Memory Type :
- Flash
- Product Status :
- Active
- On Chip Program ROM Width :
- 8
- Base Product Number :
- ATSAML21
- Core Processor :
- ARM® Cortex®-M0+
- Supply Voltage-Min (Vsup) :
- 1.62V
- Operating Temperature :
- -40°C~105°C TA
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Package / Case :
- 64-TQFP Exposed Pad
- Screening Level :
- TS 16949
- Voltage - Supply (Vcc/Vdd) :
- 1.62V~3.63V
- Number of I/Os :
- 51 I/O
- Has ADC :
- yes
- Manufacturer :
- Microchip
- Base Part Number :
- ATSAML21J
- Data Bus Width :
- 32 bit
- Factory Lead Time :
- 9 Weeks
- Series :
- SAM L21J
- EEPROM Size :
- --
- Subcategory :
- Microcontrollers - MCU
- RoHS Status :
- ROHS3 Compliant
- RAM Size :
- 32K x 8
- Surface Mount :
- yes
- JESD-609 Code :
- e3
- Number of Terminals :
- 64
- Product :
- MCU
- Terminal Form :
- Gull wing
- Product Type :
- ARM Microcontrollers - MCU
- Program Memory Size :
- 256KB 256K x 8
- Terminal Pitch :
- 0.5mm
- Reach Compliance Code :
- Compliant
- Number of ADC Channels :
- 20 Channel
- Maximum Operating Temperature :
- + 105 C
- Brand :
- Microchip Technology
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Number of Terminations :
- 64
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Mounting Style :
- SMD/SMT
- ROM Programmability :
- Flash
- Number of I/O Lines :
- 51
- Minimum Operating Temperature :
- - 40 C
- Clock Frequency :
- 32MHz
- Supply Voltage :
- 3.3V
- DMA Channels :
- yes
- Height Seated (Max) :
- 1.2mm
- Interface Type :
- I2C, LIN, SPI, USART, USB
- Supply Voltage-Max (Vsup) :
- 3.63V
- Length :
- 10mm
- DAC Channels :
- yes
- Speed :
- 48MHz
- Seated Height-Max :
- 1.2 mm
- Core Size :
- 32-Bit
- Datasheets
- ATSAML21J18B-ANT

Microcontrollers Microchip Technology ATSAML21J18B-ANT Overview
The Microcontrollers Microchip Technology ATSAML21J18B-ANT is a highly efficient 32-bit MCU designed for advanced applications requiring low power consumption and high performance. This MCU is built on a powerful ARM Cortex-M0+ processor and is equipped with 256KB of flash memory. It comes in a 64TQFP package that ensures a compact footprint while offering ample I/O options and peripheral interfaces, making it highly suitable for space-constrained applications. Its architecture is optimized for minimal power consumption, making it an ideal choice for battery-operated devices and applications where energy efficiency is critical.
ATSAML21J18B-ANT Features
The ATSAML21J18B-ANT MCU from Microchip Technology boasts numerous features that make it a versatile choice for a wide range of applications. These include a low-power ARM Cortex-M0+ core, 256KB of flash memory, and multiple power-saving modes. Additional features include extensive serial communication capabilities such as I2C, SPI, and USART, which are essential for modern IoT devices. It also supports touch sensing input, making it suitable for user interfaces in consumer electronics.
ATSAML21J18B-ANT Applications
- Wearable Devices: Utilizes its low power consumption and compact size to enhance battery life and minimize form factor in smartwatches and fitness trackers.
- Smart Home Devices: Employs its multiple communication interfaces to facilitate connectivity and control in products like smart thermostats and security systems.
- Industrial Automation: Leverages its robust processing capabilities and touch input support for control panels and automation systems in manufacturing environments.
- Healthcare Equipment: Benefits from its high reliability and low power feature set in portable medical devices such as glucose monitors and wearable health trackers.
- Internet of Things (IoT) Nodes: Ideal for IoT applications requiring long battery life and network connectivity, including environmental sensors and smart meters.
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