ATSAMD21G18A-AF
- Mfr.Part #
- ATSAMD21G18A-AF
- Manufacturer
- Microchip Technology
- Package / Case
- 48-TQFP
- Datasheet
- Download
- Description
- IC MCU 32BIT 256KB FLASH 48TQFP
- Stock
- 6,832
- In Stock :
- 6,832
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Number of Timers/Counters :
- 6
- Published :
- 2014
- Supplier Device Package :
- 48-TQFP (7x7)
- Terminal Position :
- QUAD
- Device Core :
- ARM Cortex M0+
- Product :
- MCU
- Mount :
- Surface Mount
- Product Type :
- ARM Microcontrollers - MCU
- Product Status :
- Active
- EEPROM Size :
- --
- Number of I/O :
- 38
- Base Product Number :
- ATSAMD21
- Operating Temperature :
- -40°C~125°C TA
- Data Bus Width :
- 32b
- Voltage - Supply (Vcc/Vdd) :
- 1.62V~3.6V
- Core Architecture :
- ARM
- Package / Case :
- 48-TQFP
- Interface Type :
- I2C, I2S, LIN, SPI, USART
- Interface :
- I2C, I2S, LIN, SPI, UART, USART, USB
- JESD-30 Code :
- S-PQFP-G48
- Frequency :
- 48MHz
- Package Shape :
- Square
- Brand :
- Microchip Technology / Atmel
- Watchdog Timer :
- yes
- Surface Mount :
- yes
- Operating Supply Voltage :
- 3.3V
- Minimum Operating Temperature :
- - 40 C
- Qualification :
- AEC-Q100
- PWM Channels :
- yes
- Mounting Type :
- Surface Mount
- Series :
- Automotive, AEC-Q100, SAM D21G
- Terminal Form :
- Gull wing
- Program Memory Type :
- Flash
- Seated Height-Max :
- 1.2 mm
- Product Category :
- ARM Microcontrollers - MCU
- RoHS :
- Details
- RoHS Status :
- ROHS3 Compliant
- Mounting Style :
- SMD/SMT
- Data Converter :
- A/D 14x12b; D/A 1x10b
- Pbfree Code :
- yes
- Number of I/Os :
- 38 I/O
- Width :
- 7 mm
- DAC Resolution :
- 10 bit
- MSL :
- MSL 1 - Unlimited
- Bit Size :
- 32
- Peripherals :
- Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Maximum Operating Temperature :
- + 125 C
- Subcategory :
- Microcontrollers - MCU
- Temperature Grade :
- Automotive
- Contact Plating :
- Tin
- Number of ADC Channels :
- 14 Channel
- RAM Size :
- 32K x 8
- Base Part Number :
- ATSAMD21G18
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Number of Pins :
- 48
- Supply Voltage :
- 3.3V
- Has ADC :
- yes
- Connectivity :
- I2C, LINbus, SPI, UART/USART, USB
- Program Memory Size :
- 256KB 256K x 8
- Data Converters :
- A/D 14x12b, D/A 1x10b
- Manufacturer :
- Microchip
- Memory Size :
- 256KB
- Number of Terminals :
- 48
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- ROM Programmability :
- Flash
- Speed :
- 48MHz
- Terminal Pitch :
- 0.5mm
- Factory Lead Time :
- 9 Weeks
- REACH SVHC :
- No SVHC
- Packaging :
- Tray
- Oscillator Type :
- Internal
- DAC Channels :
- yes
- Number of Terminations :
- 48
- Package :
- Tray
- DMA Channels :
- yes
- Core Processor :
- ARM® Cortex®-M0+
- Interfaces :
- I2C/I2S/LIN/SPI/USAR
- Number of I/O Lines :
- 38
- Height Seated (Max) :
- 1.2mm
- Reach Compliance Code :
- Compliant
- Core Size :
- 32-Bit
- Length :
- 7mm
- Datasheets
- ATSAMD21G18A-AF
ATSAMD21G18A-AF Documents

Microcontrollers Microchip Technology ATSAMD21G18A-AF Overview
The Microcontrollers Microchip Technology ATSAMD21G18A-AF is a highly efficient and versatile 32-bit microcontroller unit (MCU) that offers advanced features suitable for a range of demanding applications. Manufactured by Microchip Technology, this MCU is designed with a focus on performance and power efficiency. It incorporates a 256KB flash memory and operates within a 48TQFP package, making it ideal for space-constrained yet performance-intensive applications. The integration of a powerful ARM Cortex-M0+ processor enables the ATSAMD21G18A-AF to deliver superior processing capabilities, which are essential for complex algorithms and real-time processing tasks. This microcontroller is particularly optimized for connectivity and user interface solutions, making it a top choice for developers aiming to design products with advanced capabilities and competitive market performance.
ATSAMD21G18A-AF Features
The ATSAMD21G18A-AF microcontroller boasts a series of features that enhance its applicability in sophisticated electronic products. Key features include a 32-bit ARM Cortex-M0+ processor, 256KB of flash memory, and extensive peripheral support. The MCU also supports various communication protocols such as SPI, I2C, and USART, which are crucial for modern IoT devices. Enhanced power management capabilities ensure that the microcontroller operates efficiently under varying power conditions, thereby extending the battery life of portable devices.
ATSAMD21G18A-AF Applications
- Smart Home Devices: Utilizes its communication protocols for seamless integration with home automation systems, enabling control of lighting, security, and HVAC systems.
- Wearable Health Monitors: The power efficiency and compact size make it suitable for wearable devices that monitor health parameters such as heart rate and activity levels.
- Internet of Things (IoT) Gateways: Its enhanced processing power and connectivity options allow it to serve as a central hub in IoT networks, managing data transmission between sensors and the cloud.
- Automotive Applications: Can be implemented in vehicle systems for monitoring and controlling various functions, contributing to the advancement of automotive technologies.
- Industrial Automation: Suitable for controlling machinery and processes, improving efficiency and safety in manufacturing environments.
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