ATSAMD21E18A-AU
- Mfr.Part #
- ATSAMD21E18A-AU
- Manufacturer
- Atmel (Microchip Technology)
- Package / Case
- 32-TQFP
- Datasheet
- Download
- Description
- IC MCU 32BIT 256KB FLASH 32TQFP
- Stock
- 8,073
- In Stock :
- 8,073
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- Manufacturer :
- Atmel (Microchip Technology)
- Product Category :
- Microcontrollers
- Core Architecture :
- ARM
- MSL :
- MSL 3 - 168 hours
- Memory Size :
- 256KB
- Operating Temperature :
- -40°C~85°C TA
- Qualification Status :
- Not Qualified
- Pbfree Code :
- yes
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Interface Type :
- I2C, I2S, LIN, SPI, USART
- EEPROM Size :
- --
- Supplier Device Package :
- 32-TQFP (7x7)
- Pin Count :
- 32
- Voltage - Supply (Vcc/Vdd) :
- 1.62V~3.6V
- Watchdog Timer :
- yes
- Series :
- SAM D21E
- Number of Terminations :
- 32
- Min Operating Temperature :
- -40 °C
- Product Category :
- ARM Microcontrollers - MCU
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Number of I/Os :
- 26 I/O
- Interfaces :
- I2C/I2S/SPI/UART/USA
- Contact Plating :
- Tin
- Product :
- MCU
- Package :
- Tray
- Height :
- 1.2mm
- Mount :
- Surface Mount
- Bit Size :
- 32
- Terminal Finish :
- Matte Tin (Sn)
- RoHS Status :
- ROHS3 Compliant
- Packaging :
- Tray
- Core Processor :
- ARM® Cortex®-M0+
- Number of PWM Channels :
- 6
- Supply Voltage :
- 3.3V
- Number of UART Channels :
- 1
- Surface Mount :
- yes
- Manufacturer :
- Microchip
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- JESD-609 Code :
- e3
- Has ADC :
- yes
- Power Supplies :
- 3.3 V
- Supply Current-Max :
- 7 mA
- Temperature Grade :
- Industrial
- Terminal Pitch :
- 0.8mm
- Number of Pins :
- 32
- Data Converter :
- A/D 10x12b; D/A 1x10b
- Max Operating Temperature :
- 85 °C
- Seated Height-Max :
- 1.2 mm
- Frequency :
- 48MHz
- Peripherals :
- Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Number of I/O :
- 26
- Mounting Type :
- Surface Mount
- JESD-30 Code :
- S-PQFP-G32
- Operating Supply Voltage :
- 3.3V
- Number of A/D Converters :
- 2
- Number of Timers/Counters :
- 5
- Connectivity :
- I2C, LINbus, SPI, UART/USART, USB
- Memory Type :
- Flash
- Factory Lead Time :
- 8 Weeks
- Terminal Position :
- QUAD
- Base Product Number :
- ATSAMD21
- Core Size :
- 32-Bit
- Package Type :
- TQFP
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Reach Compliance Code :
- Compliant
- Max Junction Temperature (Tj) :
- 100°C
- DAC Resolution :
- 10 bit
- Family Name :
- SAM D21
- Minimum Operating Temperature :
- -40 °C
- Program Memory Type :
- Flash
- Number of I2C Channels :
- 4
- ROM (words) :
- 262144
- Number of ADC Channels :
- 10
- Max Supply Voltage :
- 3.63 V
- RAM Size :
- 32K x 8
- Package / Case :
- 32-TQFP
- Number of USB Channels :
- 1
- Brand :
- Microchip Technology / Atmel
- Number of Terminals :
- 32
- REACH SVHC :
- No SVHC
- Data Bus Width :
- 32b
- Product Type :
- ARM Microcontrollers - MCU
- Ambient Temperature Range High :
- 85°C
- Published :
- 2014
- DAC Channels :
- yes
- DMA Channels :
- yes
- PWM Channels :
- yes
- Maximum Operating Temperature :
- +85 °C
- Typical Operating Supply Voltage :
- 3.3 V
- Dimensions :
- 7.1 x 7.1 x 1.05mm
- Peak Reflow Temperature (Cel) :
- 260
- Oscillator Type :
- Internal
- Min Supply Voltage :
- 1.62 V
- Width :
- 7.1mm
- CPU Family :
- CORTEX-M0
- Max Frequency :
- 48 MHz
- Qualification :
- AEC-Q100
- Base Part Number :
- ATSAMD21E18
- Number of I/O Lines :
- 26
- Data Converters :
- A/D 10x12b, D/A 1x10b
- Mounting Style :
- SMD/SMT
- Interface :
- I2C, I2S, LIN, SPI, UART, USB
- Number of Programmable I/O :
- 26
- Product Status :
- Active
- Package Shape :
- Square
- RoHS :
- Details
- Device Core :
- ARM Cortex M0+
- Length :
- 7.1mm
- ROM Programmability :
- Flash
- Program Memory Size :
- 256KB 256K x 8
- Number of SPI Channels :
- 4
- Terminal Form :
- Gull wing
- Speed :
- 48MHz
- RAM (bytes) :
- 32768
- Instruction Set Architecture :
- ARM v6
- Datasheets
- ATSAMD21E18A-AU
ATSAMD21E18A-AU Documents

Microcontrollers Atmel (Microchip Technology) ATSAMD21E18A-AU Overview
The ATSAMD21E18A-AU by Atmel (Microchip Technology) is a high-performance microcontroller designed to cater to demanding applications that require a blend of low power consumption and advanced capabilities. This microcontroller is part of the SAM D series, which is renowned for its efficient power management and robust processing power. It operates on a 32-bit ARM Cortex-M0+ processor, which provides a perfect balance between performance and power efficiency. With 256KB of flash memory and a variety of peripherals, the ATSAMD21E18A-AU is ideal for designers who need a versatile and reliable microcontroller for their integrated projects.
ATSAMD21E18A-AU Features
The ATSAMD21E18A-AU boasts an array of features making it suitable for sophisticated yet power-sensitive applications. Key features include:
- 32-bit ARM Cortex-M0+ CPU: Offers efficient processing for complex algorithms without draining battery life.
- 256KB of flash and 32KB of SRAM: Ample memory for storing code and data.
- Full-Speed USB Device and embedded Host: Ensures versatile connectivity options.
- Extensive I/O options with programmable pins: Provides flexibility for various custom configurations.
- Low power consumption modes: Ideal for battery-driven applications needing extended life.
- 32TQFP package: Compact form factor for space-constrained applications.
ATSAMD21E18A-AU Applications
- Smart Home Devices: Utilizes its low power consumption and ample GPIOs for controlling home automation systems.
- Wearable Health Monitors: Offers the necessary processing power and connectivity options for wearable devices that monitor health metrics.
- Internet of Things (IoT) Gateways: Employs its USB and serial communication capabilities to serve as a central hub in IoT applications.
- Battery-Operated Devices: Its efficient power management supports extended battery life crucial for portable electronics.
- Industrial Automation: Relies on its robust processing capabilities and extensive I/O options to manage complex machinery and processes.
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