ATSAMD20G18A-MU vs ATSAMD21G16L-MUT Comparison
Detailed side-by-side comparison of ATSAMD20G18A-MU by Microchip Technology and ATSAMD21G16L-MUT 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
ATSAMD20G18A-MU - ARM Cortex-M0+ 48MHz 256KB MCU | Microchip
ATSAMD20G18A-MU ✓ ActiveMicrochip Technology
ATSAMD21G16L-MUT - 32-bit Cortex-M0+ MCU, 64KB Flash, 48MHz | Microchip
ATSAMD21G16L-MUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD20G18A-MU | ATSAMD21G16L-MUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.51 | $2.55 |
| Manufacturer | Microchip Technology | — |
| Series | SAM D20 | — |
| Core | ARM Cortex-M0+ | — |
| Data Bus Width | 32 bit | — |
| Maximum Clock Frequency | 48 MHz | — |
| Program Memory Size (Flash) | 256 KB (256K x 8) | — |
| RAM Size | 32 KB | — |
| Operating Supply Voltage | 1.62 V to 3.63 V | — |
| Package | 48-QFN (7x7 mm) | 48-pin QFN (7x7 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount (Tape & Reel, 'MUT' suffix) |
| Number of I/O Pins | 38 | — |
| ADC | 12-bit, up to 14 channels, 350 ksps | — |
| DAC | 10-bit, 350 ksps | — |
| Communication Interfaces | 6x SERCOM (USART/I2C/SPI), USB 2.0 FS | Up to 6 SERCOM (I2C/SPI/UART) |
| Timers | 16-bit TC, 32-bit TC, RTC | — |
| CoreMark/MHz | 2.14 | — |
| Operating Temperature Range | -40C to +85C (industrial) | — |
| RoHS Status | Compliant | Compliant (GREEN per Mouser listing) |
| Core Architecture | — | ARM Cortex-M0+ |
| Family | — | SAM D21G (Functional Safety / FuSa) |
| Silicon Variant | — | L revision |
| Maximum CPU Frequency | — | 48 MHz |
| Program Flash | — | 64 KB (64K x 8) |
| SRAM | — | 8 KB |
| Supply Voltage Range | — | 1.6 V to 3.6 V |
| Operating Temperature | — | -40 C to +85 C |
| DMA Controller | — | Yes |
| USB | — | Full-Speed USB 2.0 Device |
| ADC / DAC | — | 12-bit ADC / 10-bit DAC |