Microchip Technology ATSAMD21G18A-MF
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.27 | $4.27 |
| 15+ | $4.13 | $61.95 |
| 25+ | $4.04 | $101.00 |
| 50+ | $3.82 | $191.00 |
| 100+ | $3.37 | $337.00 |
| N+ | $0.67 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | SAM D21G, Functional Safety (FuSa) |
| Packaging | Tray | |
| Core Processor | ARM® Cortex®-M0+ |
| Core Size | 32-Bit Single-Core |
| Speed | 48MHz |
| Connectivity | I2C, LINbus, SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT |
| Number of I/O | 38 |
| Program Memory Size | 256KB (256K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 32K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.62V ~ 3.6V |
| Data Converters | A/D 14x12b; D/A 1x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | Automotive |
| Qualification AEC | AEC-Q100 |
| Mounting Type | Surface Mount |
| Supplier Device Package | 48-QFN (7x7) |
| Package / Case | 48-VFQFN Exposed Pad |
| ROHS |  |
The ATSAMD21G18A-MF is a 32-bit ARM Cortex-M0+ MCU from Microchip, designed for high-temperature and low-power applications. It operates from 1.62V to 3.6V and runs at 48MHz. With 256KB flash and 32KB SRAM, it includes I2S, PWM, DMA, and a 12-bit ADC. The 48-VFQFN package is compact and thermally efficient.
- Extended temperature range (-40 to 125°C): Suitable for under-hood automotive and industrial ovens.
- I2S support: Direct audio codec interface for voice and music applications.
- Low voltage (1.62V): Operates from a single alkaline cell or 1.8V rail.
- Event system: Reduces latency by connecting peripherals directly without CPU.
Automotive Sensors
125°C rating and 1.62V operation make it ideal for engine bay sensors and transmission control modules.
Audio Processing
The I2S interface connects directly to audio codecs for voice recognition in smart speakers and hearing aids.
Industrial IoT Gateways
With multiple SERCOM ports (configurable UART/SPI/I2C), it aggregates data from various sensors and sends via Ethernet/WiFi modules.
Battery Management Systems
Monitor cell voltages with the 12-bit ADC and control balancing FETs via PWM in 48V battery packs.
Robotics Controllers
DMA and event system allow synchronized motor control and sensor reading in small educational robots.
Smart Lighting
PWM outputs drive RGB LEDs with 16-bit resolution for smooth color transitions in architectural lighting.
- Q: What is the temperature range?
- A: -40°C to 125°C, suitable for automotive.
- Q: What core does it use?
- A: ARM Cortex-M0+ at 48MHz.
- Q: What is the supply voltage?
- A: 1.62V to 3.6V.
- Q: How much flash and RAM?
- A: 256KB flash and 32KB SRAM.
- Q: Does it support I2S?
- A: Yes, I2S for audio applications.
ATSAMD21G18A-MF.pdf
- Q: What is the temperature range?
- A: -40°C to 125°C, suitable for automotive.
- Q: What core does it use?
- A: ARM Cortex-M0+ at 48MHz.
- Q: What is the supply voltage?
- A: 1.62V to 3.6V.
- Q: How much flash and RAM?
- A: 256KB flash and 32KB SRAM.
- Q: Does it support I2S?
- A: Yes, I2S for audio applications.
