ATSAMD21J17A-AU vs ATSAMD20J17A-AU Comparison
Detailed side-by-side comparison of ATSAMD21J17A-AU by Microchip Technology and ATSAMD20J17A-AU 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
ATSAMD21J17A-AU - 48MHz Cortex-M0+ 128KB MCU 64-TQFP | Microchip
ATSAMD21J17A-AU ✓ ActiveMicrochip Technology
ATSAMD20J17A-AU - 48MHz Cortex-M0+ MCU, 128KB Flash | Microchip
ATSAMD20J17A-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21J17A-AU | ATSAMD20J17A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.62 | $2.05 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ 32-bit |
| Family | SAM D21J (Functional Safety / FuSa) | — |
| Max CPU Clock | 48 MHz | — |
| Flash Memory | 128 KB | 128 KB |
| SRAM | 16 KB | 16 KB |
| Supply Voltage (VDDIN) | 1.62 V to 3.6 V | 1.62 V to 3.63 V |
| GPIO | 52 | — |
| ADC | 12-bit, up to 1 MSPS, 20 channels | 12-bit, up to 350 ksps |
| DAC | 10-bit, 1 channel | 10-bit, 350 ksps |
| USB | USB 2.0 Full-Speed Device + Host/OTG | Full-Speed USB 2.0 Device with on-chip PHY |
| SERCOM | Up to 6 configurable (UART/SPI/I2C) | 6 instances, each configurable as UART/SPI/I2C |
| Timers/Counters | 5 (TC) + 3 (TCC) for PWM | TC x6 + TCC x2 + RTC x1 + WDT x1 |
| Operating Temperature | -40C to +85C | -40 C to +85 C (Industrial) |
| Package | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant |
| Maximum Clock Frequency | — | 48 MHz |
| I/O Pins | — | 52 GPIO (varies by package) |
| Analog Comparators | — | 2 |
| DMA Channels | — | 12 |
| Lead-Free / Halogen-Free | — | Yes |