ATSAML21E18B-AUT
- Mfr.Part #
- ATSAML21E18B-AUT
- Manufacturer
- Microchip Technology
- Package / Case
- 32-TQFP
- Datasheet
- Download
- Description
- IC MCU 32BIT 256KB FLASH 32TQFP
- Stock
- 1,247
- In Stock :
- 1,247
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Frequency :
- 48MHz
- RAM Size :
- 32K x 8
- Core Architecture :
- ARM
- Mounting Style :
- SMD/SMT
- Interface :
- I2C, LIN, SCI, SPI, UART, USART, USB
- Published :
- 2016
- Peripherals :
- DMA, POR, PWM, WDT
- Minimum Operating Temperature :
- - 40 C
- Data Converter :
- A/D 10x12b; D/A 2x12b
- Contact Plating :
- Tin
- Number of I/O :
- 25
- Memory Size :
- 256KB
- Connectivity :
- I2C, LINbus, SCI, SPI, UART/USART, USB
- Has ADC :
- yes
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Base Part Number :
- ATSAML21E
- RoHS Status :
- ROHS3 Compliant
- Data Bus Width :
- 32b
- Program Memory Size :
- 256KB 256K x 8
- Width :
- 7 mm
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Number of Pins :
- 32
- Number of Timers/Counters :
- 6
- Number of ADC Channels :
- 10 Channel
- On Chip Program ROM Width :
- 8
- Oscillator Type :
- Internal
- Subcategory :
- Microcontrollers - MCU
- Mounting Type :
- Surface Mount
- Length :
- 7mm
- RoHS :
- Details
- DMA Channels :
- yes
- Product :
- MCU
- REACH SVHC :
- No SVHC
- Pbfree Code :
- yes
- Product Type :
- ARM Microcontrollers - MCU
- Number of I/Os :
- 25 I/O
- Watchdog Timer :
- yes
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Series :
- SAM L21E
- Factory Lead Time :
- 13 Weeks
- Core Size :
- 32-Bit
- Brand :
- Microchip Technology / Atmel
- Supply Voltage :
- 3.3V
- Device Core :
- ARM Cortex M0+
- Package Shape :
- Square
- Package / Case :
- 32-TQFP
- Manufacturer :
- Microchip
- Product Status :
- Active
- Mount :
- Surface Mount
- Base Product Number :
- ATSAML21
- JESD-609 Code :
- e3
- Interface Type :
- I2C, LIN, SPI, USART, USB
- Interfaces :
- I2C/SPI/UART/USART/U
- Number of Terminals :
- 32
- JESD-30 Code :
- S-PQFP-G32
- EEPROM Size :
- --
- PWM Channels :
- yes
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Seated Height-Max :
- 1.2 mm
- DAC Resolution :
- 12 bit
- Number of Terminations :
- 32
- Packaging :
- Tape and Reel (TR)
- Screening Level :
- TS 16949
- Surface Mount :
- yes
- Terminal Pitch :
- 0.8mm
- DAC Channels :
- yes
- Maximum Operating Temperature :
- + 85 C
- Speed :
- 48MHz
- Terminal Position :
- QUAD
- ROM Programmability :
- Flash
- Bit Size :
- 32
- Reach Compliance Code :
- Compliant
- Number of I/O Lines :
- 25
- Terminal Form :
- Gull wing
- Product Category :
- ARM Microcontrollers - MCU
- Core Processor :
- ARM® Cortex®-M0+
- Lead Free :
- Lead Free
- Operating Supply Voltage :
- 3.3V
- Temperature Grade :
- Industrial
- Height Seated (Max) :
- 1.2mm
- Operating Temperature :
- -40°C~85°C TA
- Program Memory Type :
- Flash
- Voltage - Supply (Vcc/Vdd) :
- 1.62V~3.63V
- Data Converters :
- A/D 10x12b, D/A 2x12b
- Supplier Device Package :
- 32-TQFP (7x7)
- Datasheets
- ATSAML21E18B-AUT

Microcontrollers Microchip Technology ATSAML21E18B-AUT Overview
Introducing the ATSAML21E18B-AUT from Microchip Technology, a state-of-the-art microcontroller that excels in delivering high performance with low power consumption. This device, belonging to Microchip's renowned SAM L21 family, is tailored to meet the rigorous demands of modern embedded systems. The ATSAML21E18B-AUT Microcontroller integrates a powerful ARM Cortex-M0+ processor, which not only enhances its computational speed but also optimizes energy efficiency. With 256KB of flash memory and advanced security features, this microcontroller is an ideal choice for developers looking to create sophisticated applications in space-constrained environments.
ATSAML21E18B-AUT Features
The ATSAML21E18B-AUT is packed with features designed for versatility and performance. It includes 256KB of flash memory, 32KB of SRAM, and operates at a maximum frequency of 48MHz. Its power management techniques and ultra-low power consumption make it suitable for battery-powered applications. The microcontroller also supports a wide range of communication interfaces, including SPI, I2C, and USART, which are essential for IoT devices. Additionally, its 32-pin TQFP package ensures a compact footprint while allowing for sufficient I/O options for complex designs.
ATSAML21E18B-AUT Applications
- Wearable Devices: The ATSAML21E18B-AUT can be used in smartwatches and fitness trackers due to its low power consumption and compact size, allowing for sophisticated features in small form factors.
- Smart Home Automation: This microcontroller is perfect for home automation systems, controlling lighting, heating, and security systems efficiently through its robust I/O capabilities and connectivity options.
- Medical Monitoring Systems: Its accuracy and low power features make the ATSAML21E18B-AUT ideal for portable medical devices, such as patient monitoring systems and handheld diagnostics.
- Industrial Automation: The device's robust architecture and extensive I/O interfaces facilitate complex control tasks in industrial automation, such as sensor data collection and system control units.
- IoT Devices: The ATSAML21E18B-AUT excels in Internet of Things applications, providing essential connectivity and processing capabilities for smart city infrastructure, connected vehicles, and more.
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