ATSAMD21G17A-AU vs ATSAMD20G17A-ANT Comparison
Detailed side-by-side comparison of ATSAMD21G17A-AU by Microchip Technology and ATSAMD20G17A-ANT 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
ATSAMD21G17A-AU - 48MHz Cortex-M0+ MCU, 128KB Flash | Microchip
ATSAMD21G17A-AU ✓ ActiveMicrochip Technology
ATSAMD20G17A-ANT - 48MHz ARM Cortex-M0+ MCU 128KB Flash 48-TQFP
ATSAMD20G17A-ANT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21G17A-AU | ATSAMD20G17A-ANT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.74 | $2.14 |
| Series | SAM D21G, Functional Safety (FuSa) | — |
| Core Processor | ARM Cortex-M0+ | ARM Cortex-M0+ |
| Core Size | 32-Bit | 32-Bit |
| Core Speed | 48 MHz | — |
| Performance | 2.46 CoreMark/MHz | — |
| Flash Size | 128 KB (128K x 8) | — |
| SRAM Size | 16 KB | — |
| RWW Flash | 4 KB (separate, simultaneous code+data access) | — |
| Supply Voltage (Vcc/Vdd) | 1.62 V to 3.6 V | — |
| Number of I/O | Up to 38 GPIO | — |
| ADC | 12-bit, up to 350 ksps, up to 14 channels | 12-bit, up to 350 ksps |
| DAC | 10-bit, up to 350 ksps | 10-bit |
| Analog Comparators | 2 | — |
| Serial Interfaces | 6x SERCOM (configurable UART/SPI/I2C) | — |
| USB | USB 2.0 Full-Speed Device, integrated transceiver | — |
| Connectivity | I2C, SPI, UART, USB | — |
| Peripherals | Brown-out Detect/Reset, DMA, Event System, I2S, POR, PWM, WDT | — |
| Package | 48-TQFP (7x7 mm) | — |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) | — |
| MSL Level | 3 (168 hours) | — |
| RoHS Status | Compliant | Compliant |
| Maximum Clock Frequency | — | 48 MHz |
| Program Memory Size | — | 128 KB (128K x 8) Flash |
| RAM Size | — | 16 KB |
| Supply Voltage Range | — | 1.62 V to 3.63 V |
| Operating Temperature Range | — | -40 C to +105 C |
| Package / Case | — | 48-TQFP (7x7 mm) |
| Number of I/O Pins | — | [DATA_NEEDED: exact I/O count from datasheet pinout table] |
| Communication Interfaces | — | Up to 6 SERCOM (UART/SPI/I2C configurable), I2S, USB 2.0 Full-Speed |
| Timers | — | TC (Timer/Counter) and TCC (Timer/Counter for Control) modules |
| Touch Sensing | — | Peripheral Touch Controller (PTC) |
| CoreMark/MHz | — | 2.14 |
| Lead-Free / Halogen-Free | — | Green, lead-free, halogen-free per Mouser description |
| Packaging | — | Tape & Reel (TR) per ANT suffix |