ATSAMD21J17A-AU vs ATSAMD51J19A-AUT-EFP Comparison
Detailed side-by-side comparison of ATSAMD21J17A-AU by Microchip Technology and ATSAMD51J19A-AUT-EFP 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
ATSAMD51J19A-AUT-EFP - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
ATSAMD51J19A-AUT-EFP ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21J17A-AU | ATSAMD51J19A-AUT-EFP |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.62 | $4.45 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M4F with single-precision FPU |
| Family | SAM D21J (Functional Safety / FuSa) | — |
| Max CPU Clock | 48 MHz | — |
| Flash Memory | 128 KB | 512 KB (dual-panel with ECC) |
| SRAM | 16 KB | 192 KB with ECC |
| Supply Voltage (VDDIN) | 1.62 V to 3.6 V | — |
| GPIO | 52 | — |
| ADC | 12-bit, up to 1 MSPS, 20 channels | 12-bit ADC |
| DAC | 10-bit, 1 channel | — |
| USB | USB 2.0 Full-Speed Device + Host/OTG | USB 2.0 Full-Speed device/host with on-chip transceiver |
| SERCOM | Up to 6 configurable (UART/SPI/I2C) | — |
| Timers/Counters | 5 (TC) + 3 (TCC) for PWM | — |
| Operating Temperature | -40C to +85C | — |
| Package | 64-pin TQFP (10x10 mm) | 64-TQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant |
| Maximum Clock Speed | — | 120 MHz |
| Operating Voltage | — | 1.71 V to 3.6 V |
| Supply Voltage Min | — | 1.71 V |
| Supply Voltage Max | — | 3.6 V |
| Programmable I/O Pins | — | 51 |
| Operating Temperature Grade | — | Automotive (-40C to +125C) |
| Flash Performance | — | Extended Flash Performance (EFP bin) |