Microchip Technology ATSAMD21G18A-MU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.87 | $3.87 |
| 15+ | $3.74 | $56.10 |
| 25+ | $3.66 | $91.50 |
| 50+ | $3.46 | $173.00 |
| 100+ | $3.05 | $305.00 |
| N+ | $0.61 | 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-QFN (7x7) |
| Package / Case | 48-VFQFN Exposed Pad |
| ROHS |  |
The ATSAMD21G18A-MU is a 32-bit ARM Cortex-M0+ MCU from Microchip with 256KB flash and 32KB SRAM. Operating from 1.62V to 3.6V at 48MHz, it features DMA, I2S, multiple PWM channels, and a rich analog peripheral set. The 48-VFQFN package is perfect for advanced IoT and portable applications.
- ARM Cortex-M0+ ecosystem – extensive software libraries and toolchain support.
- DMA controller – reduces CPU overhead for high-throughput data streams.
- Ultra-low voltage (1.62V) – enables direct energy harvesting and single-cell battery use.
- Large 256KB flash – accommodates complex firmware and OTA updates.
IoT Edge Nodes
ARM Cortex-M0+ with 48MHz and DMA offloads sensor data collection, reducing CPU load for wireless protocol stacks.
Wearable Health Trackers
Ultra-low 1.62V operation and multiple sleep modes enable months of battery life in fitness bands.
Smart Home Hubs
I2S interface supports digital audio for voice-controlled assistants, while DMA handles audio streaming.
Industrial Data Loggers
256KB flash stores extensive logs, and 32KB SRAM buffers high-speed ADC samples.
Portable Test Equipment
48MHz speed and rich peripherals (ADC, DAC, comparators) support oscilloscope and multimeter functions.
Mechatronic Actuators
PWM and event system provide deterministic response for robotic arm joint control.
- Q: What core does this MCU use?
- A: ARM Cortex-M0+ at 48MHz.
- Q: How much flash and RAM?
- A: 256KB flash and 32KB SRAM.
- Q: What is the voltage range?
- A: 1.62V to 3.6V, suitable for low-power IoT.
- Q: Does it support DMA?
- A: Yes, with 12-channel DMA controller for peripheral data transfer.
- Q: What package is available?
- A: 48-VFQFN exposed pad, ideal for compact designs.
ATSAMD21G18A-MU.pdf
- Q: What core does this MCU use?
- A: ARM Cortex-M0+ at 48MHz.
- Q: How much flash and RAM?
- A: 256KB flash and 32KB SRAM.
- Q: What is the voltage range?
- A: 1.62V to 3.6V, suitable for low-power IoT.
- Q: Does it support DMA?
- A: Yes, with 12-channel DMA controller for peripheral data transfer.
- Q: What package is available?
- A: 48-VFQFN exposed pad, ideal for compact designs.
