ATSAMD51N20A-AF vs ATSAMD51N19A-AUT-EFP Comparison
Detailed side-by-side comparison of ATSAMD51N20A-AF 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-AF - 120MHz Cortex-M4F 1MB MCU | Microchip
ATSAMD51N20A-AF β ActiveMicrochip Technology
ATSAMD51N19A-AUT-EFP - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
ATSAMD51N19A-AUT-EFP β ActiveSpecification Comparison
| Parameter | ATSAMD51N20A-AF | ATSAMD51N19A-AUT-EFP |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $6.84 | $3.65 |
| Core Architecture | ARM Cortex-M4F with FPU | ARMv7-M |
| Core Frequency | 120 MHz | β |
| Flash Memory | 1 MB (Dual-Panel, ECC) | β |
| SRAM | 256 KB (ECC) | 192 KB |
| Package | 100-pin TQFP (14x14 mm) | 100-pin TQFP (14x14 mm), 0.5 mm pitch |
| Operating Temperature | -40 C to +125 C (Extended) | -40C to +85C (automotive grade, AUT suffix) |
| Supply Voltage | 1.71 V to 3.63 V | β |
| ADC | 12-bit, up to 1 MSPS | 12-bit, up to 1 MSPS, up to 16 channels |
| ADC Channels | Up to 16 | β |
| USB | USB 2.0 Full-Speed with on-chip PHY | USB 2.0 Full Speed with on-chip transceiver |
| CAN | 2x CAN-FD | CAN-FD, 1 controller |
| SERCOM | Configurable UART/SPI/I2C | β |
| Timers/TC | 16-bit, multiple channels | β |
| Mounting Type | Surface Mount (TQFP) | Surface Mount |
| RoHS Status | Compliant | Compliant |
| Core | β | ARM Cortex-M4F with single-precision FPU |
| Maximum CPU Clock | β | 120 MHz |
| DSP Instructions | β | Yes (SIMD MAC) |
| Program Flash | β | 512 KB (512K x 8) with ECC, dual-panel |
| Operating Voltage | β | 1.71 V to 3.63 V |
| DAC | β | 12-bit, 2 channels |
| Communication Interfaces | β | SERCOM x6 (UART/SPI/I2C), I2S, SDHC, SPI |
| Timers | β | TC x5, TCC x3 (24-bit PWM) |
| Crypto Acceleration | β | AES, TRNG (family features) |
| MSL Level | β | 3 (168 hours) |
| Automotive Qualification | β | AUT suffix, AEC-Q100 qualified (per family datasheet) |