ATSAMD21E18A-AF
- Mfr.Part #
- ATSAMD21E18A-AF
- Manufacturer
- Atmel (Microchip Technology)
- Package / Case
- 32-TQFP
- Datasheet
- Download
- Description
- IC MCU 32BIT 256KB FLASH 32TQFP
- Stock
- 5,417
- In Stock :
- 5,417
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- Manufacturer :
- Atmel (Microchip Technology)
- Product Category :
- Microcontrollers
- Memory Size :
- 256KB
- Height Seated (Max) :
- 1.2mm
- Supply Voltage :
- 3.3V
- Number of I2C Channels :
- 4
- Product Category :
- ARM Microcontrollers - MCU
- Height :
- 1.2 mm
- JESD-30 Code :
- S-PQFP-G32
- Reach Compliance Code :
- Compliant
- Number of Terminals :
- 32
- PWM Channels :
- yes
- Temperature Grade :
- Automotive
- Published :
- 2014
- Operating Supply Voltage :
- 3.3V
- Brand :
- Microchip Technology / Atmel
- Length :
- 7mm
- Package :
- Tray
- Program Memory Type :
- Flash
- Minimum Operating Temperature :
- - 40 C
- Number of USB Channels :
- 1
- Qualification :
- AEC-Q100
- Factory Lead Time :
- 9 Weeks
- Peripherals :
- Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Number of Programmable I/O :
- 26
- Data Converters :
- A/D 10x12b, D/A 1x10b
- Min Operating Temperature :
- -40 °C
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Core Processor :
- ARM® Cortex®-M0+
- Interfaces :
- I2C/I2S/SPI/UART/USA
- Ambient Temperature Range High :
- 85 °C
- Min Supply Voltage :
- 1.62 V
- DAC Resolution :
- 10 bit
- Contact Plating :
- Tin
- Packaging :
- Tray
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Product Status :
- Active
- Core Size :
- 32-Bit
- Manufacturer :
- Microchip
- Product Type :
- ARM Microcontrollers - MCU
- Max Junction Temperature (Tj) :
- 100 °C
- Interface :
- I2C, I2S, LIN, SPI, UART, USART, USB
- Number of A/D Converters :
- 1
- Data Converter :
- A/D 10x12b; D/A 1x10b
- DAC Channels :
- yes
- Schedule B :
- 8542310000, 8542310000/8542310000/8542310000/8542310000/8542310000
- Oscillator Type :
- Internal
- Has ADC :
- yes
- Number of ADC Channels :
- 10 Channel
- Voltage - Supply (Vcc/Vdd) :
- 1.62V~3.6V
- Number of Terminations :
- 32
- Number of PWM Channels :
- 12
- ROM Programmability :
- Flash
- Pbfree Code :
- yes
- Base Part Number :
- ATSAMD21E18
- Terminal Position :
- QUAD
- Seated Height-Max :
- 1.2 mm
- Product :
- MCU
- Mounting Type :
- Surface Mount
- Connectivity :
- I2C, LINbus, SPI, UART/USART, USB
- Operating Temperature :
- -40°C~125°C TA
- Package Shape :
- Square
- EEPROM Size :
- --
- RoHS :
- Details
- Core Architecture :
- ARM
- Mount :
- Surface Mount
- Supplier Device Package :
- 32-TQFP (7x7)
- Number of I/Os :
- 26 I/O
- Max Frequency :
- 48 MHz
- Device Core :
- ARM Cortex M0+
- Subcategory :
- Microcontrollers - MCU
- Terminal Form :
- Gull wing
- Width :
- 7 mm
- Series :
- Automotive, AEC-Q100, SAM D21E
- Data Bus Width :
- 32b
- Number of UART Channels :
- 4
- Maximum Operating Temperature :
- + 125 C
- Surface Mount :
- yes
- Mounting Style :
- SMD/SMT
- Number of Pins :
- 32
- Number of SPI Channels :
- 4
- Number of I/O Lines :
- 26
- Interface Type :
- I2C, I2S, LIN, SPI, USART
- Max Operating Temperature :
- 125 °C
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Memory Type :
- Flash
- Number of I/O :
- 26
- DMA Channels :
- yes
- Bit Size :
- 32
- RoHS Status :
- ROHS3 Compliant
- Program Memory Size :
- 256KB 256K x 8
- Base Product Number :
- ATSAMD21
- Package / Case :
- 32-TQFP
- Number of Timers/Counters :
- 6
- MSL :
- MSL 3 - 168 hours
- Max Supply Voltage :
- 3.63 V
- Frequency :
- 48MHz
- RAM Size :
- 32K x 8
- Watchdog Timer :
- yes
- Terminal Pitch :
- 0.8mm
- Speed :
- 48MHz
- REACH SVHC :
- No SVHC
- Datasheets
- ATSAMD21E18A-AF
ATSAMD21E18A-AF Documents

Microcontrollers Atmel (Microchip Technology) ATSAMD21E18A-AF Overview
The Microcontrollers Atmel (Microchip Technology) ATSAMD21E18A-AF is a highly capable, low-power microcontroller designed to address the sophisticated demands of modern embedded systems. This 32-bit MCU, built on ARM Cortex-M0+ architecture, strikes a perfect balance between performance and power efficiency. With 256KB of flash memory and a 32TQFP package, it is an ideal solution for applications that require a compact footprint without compromising on computational capabilities. The integration of advanced peripherals and the flexibility provided by its extensive pinout make it exceptionally versatile for a wide range of industrial applications.
ATSAMD21E18A-AF Features
This microcontroller is packed with features that enhance its utility and functionality across various applications. Key features include:
- 32-bit ARM Cortex-M0+ core that ensures efficient processing and low power consumption.
- 256KB of flash memory and 32KB of SRAM for robust data storage and manipulation.
- Extensive I/O options with multipurpose serial communication modules (SERCOM) for flexible connectivity.
- Full-speed USB interface, supporting device and host functionality, facilitates direct communication with computers and other USB hosts.
- 12-bit analog-to-digital converters (ADCs), providing precise sensor signal acquisition and effective analog interface.
- Touch Interface: Supports capacitive touch and proximity sensing, which is critical for human-machine interface applications.
ATSAMD21E18A-AF Applications
- Smart Home Devices: Utilized for its low power consumption and robust I/O capabilities to drive user interface panels and connect various household sensors.
- Portable Health Monitoring Systems: Its power efficiency and compact size make it suitable for wearable devices that track health metrics like heart rate or steps.
- Industrial Automation: Employed in automation controllers due to its numerous communication interfaces, supporting complex machine-to-machine dialogues.
- Consumer Electronics: Integral to the operation of consumer gadgets such as gaming peripherals, where precision and responsiveness are paramount.
- Energy Management: Applied in systems for smart metering and energy consumption analytics, leveraging its ADCs for accurate data gathering.
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