ATSAMC21G18A-AU vs ATSAMD21G18A-MF Comparison
Detailed side-by-side comparison of ATSAMC21G18A-AU by Microchip Technology and ATSAMD21G18A-MF by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATSAMC21G18A-AU - 48MHz Cortex-M0+ MCU, 256KB Flash, 5V | Microchip
ATSAMC21G18A-AU ✓ ActiveMicrochip Technology
ATSAMD21G18A-MF - 48MHz Cortex-M0+ MCU, 256KB Flash | Microchip
ATSAMD21G18A-MF ✓ ActiveSpecification Comparison
| Parameter | ATSAMC21G18A-AU | ATSAMD21G18A-MF |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.05 | $2.61 |
| Series | SAM C21 (Cortex-M0+) | — |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (ARMv6-M) |
| Maximum CPU Frequency | 48 MHz | — |
| Program Flash | 256 KB | — |
| SRAM | 32 KB | 32 KB |
| Supply Voltage | 2.7 V to 5.5 V | — |
| I/O Tolerance | 5V tolerant | — |
| Operating Temperature | -40 C to +85 C (industrial, AU suffix) | — |
| Package | 48-pin TQFP (7x7 mm, 0.5 mm pitch) | 48-pin QFN (7x7 mm) with exposed pad |
| GPIO Count | Up to 38 | — |
| SERCOM Modules | 6 (UART/SPI/I2C/LIN configurable) | — |
| CAN-FD | Yes (1 channel) | — |
| ADC | 12-bit, up to 1 Msps, 16 channels | 12-bit, 12 channels, up to 350 ksps |
| Timers/Counters (TC) | 16-bit, multiple channels | — |
| RTC | 32-bit RTC with calendar | — |
| Peripheral Touch Controller (PTC) | Yes (mutual/self-cap) | — |
| DMA | 12 channels (DMAC) | — |
| AEC-Q100 | Grade 1 qualified | — |
| RoHS | Compliant | — |
| Maximum CPU Clock | — | 48 MHz |
| CoreMark Performance | — | 2.46 CoreMark/MHz |
| Flash Memory | — | 256 KB |
| Supply Voltage Range | — | 1.62 V to 3.63 V |
| Operating Temperature Range | — | -40 C to +125 C (industrial) |
| DAC | — | 10-bit, 1 channel |
| SERCOM Channels | — | 6 (configurable as UART/SPI/I2C) |
| I2S Interfaces | — | 2 |
| USB Interface | — | USB 2.0 Full-Speed device/host/OTG |
| Timers/Counters | — | 8 (including 24-bit TCC) |
| Mounting Type | — | Surface Mount |
| MSL Level | — | 3 (168 hours) |
| RoHS Status | — | Compliant |