Microchip Technology ATSAMD21G18A-AU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.95 | $3.95 |
| 15+ | $3.83 | $57.45 |
| 25+ | $3.74 | $93.50 |
| 50+ | $3.54 | $177.00 |
| 100+ | $3.12 | $312.00 |
| N+ | $0.62 | 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 ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 48-TQFP (7x7) |
| Package / Case | 48-TQFP |
| ROHS |  |
The Microchip ATSAMD21G18A-AU is a 32-bit ARM Cortex-M0+ microcontroller delivering 48 MHz performance with 256KB flash and 32KB SRAM. It operates from 1.62V to 3.6V, making it ideal for low-power embedded systems. The 48-TQFP package integrates DMA, I2S, PWM, and watchdog timers for versatile control applications.
- High efficiency: 48 MHz Cortex-M0+ core with 256KB flash enables complex firmware in a low-power envelope.
- Flexible power: 1.62V-3.6V range supports battery and 3.3V rail designs without level shifters.
- Rich peripherals: DMA and I2S offload the CPU for audio and data streaming tasks.
- Robust operation: Brown-out detect and watchdog ensure reliable operation in noisy environments.
Industrial Automation
With 48 MHz performance and 256KB flash, it handles complex control loops and sensor fusion in PLCs and motor controllers.
IoT Edge Nodes
The 1.62V low-voltage operation and DMA enable energy-efficient sensor data aggregation for battery-powered wireless nodes.
Portable Medical Devices
Its wide voltage range and low-power modes support continuous glucose monitors and pulse oximeters requiring long battery life.
Smart Home Hubs
I2S interface and PWM outputs allow audio processing and lighting control in smart speakers and home automation gateways.
Automotive Aftermarket
Operating at -40°C to 85°C, it suits in-vehicle telematics and body control modules.
Consumer Wearables
The 48-TQFP package and integrated POR/WDT reduce external components, enabling compact fitness trackers.
- Q: What is the maximum clock speed of the ATSAMD21G18A-AU?
- A: The ARM Cortex-M0+ core runs at up to 48 MHz.
- Q: What is the operating voltage range?
- A: It operates from 1.62V to 3.6V.
- Q: How much flash and SRAM does it have?
- A: It has 256KB flash and 32KB SRAM.
- Q: What package is available?
- A: It comes in a 48-TQFP package.
- Q: Does it support DMA and PWM?
- A: Yes, it includes DMA, I2S, POR, PWM, and WDT.
ATSAMD21G18A-AU.pdf
- Q: What is the maximum clock speed of the ATSAMD21G18A-AU?
- A: The ARM Cortex-M0+ core runs at up to 48 MHz.
- Q: What is the operating voltage range?
- A: It operates from 1.62V to 3.6V.
- Q: How much flash and SRAM does it have?
- A: It has 256KB flash and 32KB SRAM.
- Q: What package is available?
- A: It comes in a 48-TQFP package.
- Q: Does it support DMA and PWM?
- A: Yes, it includes DMA, I2S, POR, PWM, and WDT.
