ATSAMD51N19A-AUT-EFP vs ATSAMD51N20A-AF Comparison
Detailed side-by-side comparison of ATSAMD51N19A-AUT-EFP by Microchip Technology and ATSAMD51N20A-AF 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
ATSAMD51N19A-AUT-EFP - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
ATSAMD51N19A-AUT-EFP ✓ ActiveMicrochip Technology
ATSAMD51N20A-AF - 120MHz Cortex-M4F 1MB MCU | Microchip
ATSAMD51N20A-AF ✓ ActiveSpecification Comparison
| Parameter | ATSAMD51N19A-AUT-EFP | ATSAMD51N20A-AF |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core | ARM Cortex-M4F with single-precision FPU | — |
| Core Architecture | ARMv7-M | ARM Cortex-M4F with FPU |
| Maximum CPU Clock | 120 MHz | — |
| DSP Instructions | Yes (SIMD MAC) | — |
| Program Flash | 512 KB (512K x 8) with ECC, dual-panel | — |
| SRAM | 192 KB | 256 KB (ECC) |
| Operating Voltage | 1.71 V to 3.63 V | — |
| Package | 100-pin TQFP (14x14 mm), 0.5 mm pitch | 100-pin TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount (TQFP) |
| Operating Temperature | -40C to +85C (automotive grade, AUT suffix) | -40 C to +125 C (Extended) |
| ADC | 12-bit, up to 1 MSPS, up to 16 channels | 12-bit, up to 1 MSPS |
| DAC | 12-bit, 2 channels | — |
| USB | USB 2.0 Full Speed with on-chip transceiver | USB 2.0 Full-Speed with on-chip PHY |
| CAN | CAN-FD, 1 controller | 2x CAN-FD |
| Communication Interfaces | SERCOM x6 (UART/SPI/I2C), I2S, SDHC, SPI | — |
| Timers | TC x5, TCC x3 (24-bit PWM) | — |
| Crypto Acceleration | AES, TRNG (family features) | — |
| MSL Level | 3 (168 hours) | — |
| RoHS Status | Compliant | Compliant |
| Automotive Qualification | AUT suffix, AEC-Q100 qualified (per family datasheet) | — |
| Core Frequency | — | 120 MHz |
| Flash Memory | — | 1 MB (Dual-Panel, ECC) |
| Supply Voltage | — | 1.71 V to 3.63 V |
| ADC Channels | — | Up to 16 |
| SERCOM | — | Configurable UART/SPI/I2C |
| Timers/TC | — | 16-bit, multiple channels |