ATSAME54N20A-AUT vs ATSAME51N20A-AUT-EFP Comparison
Detailed side-by-side comparison of ATSAME54N20A-AUT by Microchip Technology and ATSAME51N20A-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
ATSAME54N20A-AUT - 120MHz ARM Cortex-M4F MCU, 1MB Flash | Microchip
ATSAME54N20A-AUT ✓ ActiveMicrochip Technology
ATSAME51N20A-AUT-EFP - 120MHz Cortex-M4F MCU, 1MB Flash | Microchip
ATSAME51N20A-AUT-EFP ✓ ActiveSpecification Comparison
| Parameter | ATSAME54N20A-AUT | ATSAME51N20A-AUT-EFP |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | ARM Cortex-M4F (32-bit) | — |
| Maximum CPU Clock | 120 MHz | 120 MHz |
| FPU | Single-precision hardware Floating Point Unit | — |
| Program Flash | 1 MB (Dual-Panel, with ECC) | 1 MB (Dual-Panel with ECC) |
| SRAM | 256 KB (with ECC) | 256 KB |
| Operating Voltage (VDDIO) | 1.71 V to 3.6 V | — |
| Operating Temperature | -40 C to +85 C (automotive grade) | -40C to +85C (industrial) |
| Package | 100-pin TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) |
| ADC | 12-bit, up to 1 Msps | 12-bit, up to 24 channels |
| DAC | 12-bit | — |
| CAN-FD Controllers | 2 | — |
| Ethernet MAC | 10/100 Mbps | — |
| USB | Full-Speed + High-Speed USB 2.0 with on-chip PHY | USB 2.0 Full-Speed, Host + Device |
| External Memory Bus | QSPI/SPI (for external Flash/PSRAM) | — |
| DMA | Yes (DMAC) | 16-channel |
| Mounting Type | Surface Mount | Surface Mount (Tape & Reel) |
| RoHS Status | Compliant | Compliant |
| Core | — | ARM Cortex-M4F with FPU and DSP |
| Operating Voltage | — | 1.71 V to 3.6 V |
| CAN | — | 2x CAN-FD controllers |
| SERCOM | — | Up to 8 configurable serial interfaces |
| Crypto Accelerator | — | AES, SHA, True Random Number Generator |
| MSL Level | — | 3 (168 hours) |