ATSAMD20G18A-MU vs ATSAMD21G16L-MNT Comparison
Detailed side-by-side comparison of ATSAMD20G18A-MU by Microchip Technology and ATSAMD21G16L-MNT 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-MNT - 48MHz Cortex-M0+ MCU 64KB Flash | Microchip
ATSAMD21G16L-MNT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD20G18A-MU | ATSAMD21G16L-MNT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.51 | $1.85 |
| 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-QFN (7x7 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Number of I/O Pins | 38 | — |
| ADC | 12-bit, up to 14 channels, 350 ksps | 12-bit, up to 14 channels |
| DAC | 10-bit, 350 ksps | 10-bit, 1 channel |
| Communication Interfaces | 6x SERCOM (USART/I2C/SPI), USB 2.0 FS | Up to 6x SERCOM (UART/SPI/I²C), I²S, USB 2.0 FS Device/Host |
| Timers | 16-bit TC, 32-bit TC, RTC | — |
| CoreMark/MHz | 2.14 | — |
| Operating Temperature Range | -40C to +85C (industrial) | — |
| RoHS Status | Compliant | Compliant |
| Core Architecture | — | ARM Cortex-M0+ (32-bit) |
| Family | — | SAM D21G (Functional Safety / FuSa) |
| Maximum CPU Frequency | — | 48 MHz |
| Flash Memory | — | 64 KB (64K x 8) |
| SRAM | — | 8 KB |
| Supply Voltage (VDD) | — | 1.6 V to 3.6 V |
| Operating Temperature | — | -40 °C to +105 °C |
| MSL Level | — | 3 |
| GPIOs | — | Up to 38 |
| Debug Interface | — | Serial Wire Debug (SWD), 2-pin |
| DMA | — | 12-channel DMAC + 12-channel Event System |