ATSAME54P19A-AU vs ATSAME54P20A-AFT Comparison
Detailed side-by-side comparison of ATSAME54P19A-AU by Microchip Technology and ATSAME54P20A-AFT 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
ATSAME54P19A-AU - 120MHz Cortex-M4F MCU 512KB Flash | Microchip
ATSAME54P19A-AU ✓ ActiveMicrochip Technology
ATSAME54P20A-AFT - 120MHz Cortex-M4F MCU, 1MB Flash | Microchip
ATSAME54P20A-AFT ✓ ActiveSpecification Comparison
| Parameter | ATSAME54P19A-AU | ATSAME54P20A-AFT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | ARM Cortex-M4F with FPU and DSP | ARM Cortex-M4F with single-precision FPU |
| Maximum CPU Speed | 120 MHz | — |
| Flash Memory | 512 KB (dual-panel, ECC) | 1 MB (dual-panel with ECC) |
| SRAM | 128 KB (ECC) | 256 KB (with ECC) |
| Operating Voltage | 3.3 V (typical) | — |
| Package | 128-TQFP (14x14 mm) | 128-pin TQFP (14x14 mm) |
| Pin Count | 128 | — |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40 C to +85 C (AU grade) | -40C to +125C (extended) |
| Ethernet MAC | 10/100 integrated | — |
| CAN-FD | 2 controllers | — |
| USB | USB 2.0 High-Speed PHY integrated | USB 2.0 Full-Speed with on-chip PHY |
| Cryptography Engine | AES-256, SHA, TRNG | — |
| ADC | 12-bit SAR + 16-bit sigma-delta | 12-bit, up to 1 Msps |
| RoHS Status | Compliant | Compliant |
| MSL Level | 3 (168 hours) | 3 (168 hours) |
| Lead-Free | Yes | — |
| Maximum CPU Clock | — | 120 MHz |
| Supply Voltage (VDDIO) | — | 3.3 V typical |
| Ethernet | — | 10/100 Mbps MAC with IEEE 1588 |
| CAN | — | 2x CAN-FD controllers |
| Supply Form | — | Tape & Reel (T&R) |