ATSAMD51N20A-AU-EFP vs ATSAMD51N19A-AUT-EFP Comparison
Detailed side-by-side comparison of ATSAMD51N20A-AU-EFP by Microchip Technology and ATSAMD51N19A-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
ATSAMD51N20A-AU-EFP - 120MHz Cortex-M4F 1MB MCU | Microchip
ATSAMD51N20A-AU-EFP ✓ ActiveMicrochip Technology
ATSAMD51N19A-AUT-EFP - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
ATSAMD51N19A-AUT-EFP ✓ ActiveSpecification Comparison
| Parameter | ATSAMD51N20A-AU-EFP | ATSAMD51N19A-AUT-EFP |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $9.42 | $3.65 |
| Core | ARM Cortex-M4F with FPU and DSP | ARM Cortex-M4F with single-precision FPU |
| Maximum Clock Frequency | 120 MHz | — |
| Flash Memory | 1 MB dual-panel Flash with ECC | — |
| SRAM | 256 KB with ECC | 192 KB |
| Operating Voltage | 1.71 V to 3.6 V | 1.71 V to 3.63 V |
| Package | 100-pin TQFP (14x14 mm) | 100-pin TQFP (14x14 mm), 0.5 mm pitch |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40 C to +85 C | -40C to +85C (automotive grade, AUT suffix) |
| USB | USB 2.0 Full-Speed device and host | USB 2.0 Full Speed with on-chip transceiver |
| ADC | Dual 12-bit ADC up to 1 Msps | 12-bit, up to 1 MSPS, up to 16 channels |
| DAC | 12-bit DAC | 12-bit, 2 channels |
| PTC | Peripheral Touch Controller | — |
| Communication Interfaces | SERCOM (UART/SPI/I2C), CAN-FD, I2S, SD/MMC | SERCOM x6 (UART/SPI/I2C), I2S, SDHC, SPI |
| DMA | 24 channels | — |
| Event System | 6 channels | — |
| Grade | Extended Flash Performance (EFP) | — |
| RoHS Status | Compliant | Compliant |
| Core Architecture | — | ARMv7-M |
| Maximum CPU Clock | — | 120 MHz |
| DSP Instructions | — | Yes (SIMD MAC) |
| Program Flash | — | 512 KB (512K x 8) with ECC, dual-panel |
| CAN | — | CAN-FD, 1 controller |
| Timers | — | TC x5, TCC x3 (24-bit PWM) |
| Crypto Acceleration | — | AES, TRNG (family features) |
| MSL Level | — | 3 (168 hours) |
| Automotive Qualification | — | AUT suffix, AEC-Q100 qualified (per family datasheet) |