ATSAMD21G16B-AUT vs ATSAMD20G16B-AUT Comparison
Detailed side-by-side comparison of ATSAMD21G16B-AUT by Microchip Technology and ATSAMD20G16B-AUT 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
ATSAMD21G16B-AUT - 48MHz Cortex-M0+ 64KB MCU | Microchip
ATSAMD21G16B-AUT ✓ ActiveMicrochip Technology
ATSAMD20G16B-AUT - 48MHz Cortex-M0+ MCU 64KB Flash | Microchip
ATSAMD20G16B-AUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21G16B-AUT | ATSAMD20G16B-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.45 | $2.18 |
| Core Architecture | ARM Cortex-M0+ | ARM Cortex-M0+ (32-bit) |
| Family | SAM D21G (Functional Safety / FuSa) | SAM D20G |
| Flash Memory | 64 KB | — |
| SRAM | 8 KB | 8 KB |
| Maximum CPU Frequency | 48 MHz | — |
| Operating Voltage Range | 1.62 V to 3.63 V | — |
| Package | 48-pin TQFP (7x7 mm) | 48-TQFP (7x7 mm) |
| GPIO Count | 38 | — |
| ADC | 12-bit, up to 20 channels, 1 MSPS | 12-bit, up to 14 channels |
| DAC | 10-bit, 1 channel, 350 kSPS | 10-bit |
| SERCOM Modules | 6 (each UART/SPI/I2C configurable) | 6 (configurable as UART/SPI/I2C) |
| USB | USB 2.0 Full-Speed Device & Host | — |
| Timer/Counters | 6 x 16-bit | — |
| Operating Temperature Range | -40 C to +85 C (Industrial) | — |
| RoHS Status | Compliant (Green) | Compliant (Green) |
| Maximum CPU Clock | — | 48 MHz |
| Flash Program Memory | — | 64 KB (64K x 8) |
| Supply Voltage (VDD) | — | 1.62 V to 3.6 V |
| Operating Temperature | — | -40 °C to +85 °C (Industrial) |
| Mounting Type | — | Surface Mount |
| Peripheral Touch Controller (PTC) | — | 256 channels |
| Timers | — | 32-bit TCC, multiple TC, RTC |
| Debug Interface | — | SWD (Serial Wire Debug) |
| I/O Pins (approx.) | — | 38 |
| MSL Level | — | 3 |