ATSAME54P19A-AU vs ATSAME54P20A-AF Comparison
Detailed side-by-side comparison of ATSAME54P19A-AU by Microchip Technology and ATSAME54P20A-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
ATSAME54P19A-AU - 120MHz Cortex-M4F MCU 512KB Flash | Microchip
ATSAME54P19A-AU ✓ ActiveMicrochip Technology
ATSAME54P20A-AF - 120MHz Cortex-M4F MCU, 1MB Flash, Ethernet | Microchip
ATSAME54P20A-AF ✓ ActiveSpecification Comparison
| Parameter | ATSAME54P19A-AU | ATSAME54P20A-AF |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | ARM Cortex-M4F with FPU and DSP | — |
| Maximum CPU Speed | 120 MHz | — |
| Flash Memory | 512 KB (dual-panel, ECC) | — |
| SRAM | 128 KB (ECC) | — |
| Operating Voltage | 3.3 V (typical) | 1.71 V to 3.6 V |
| 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) | -40 C to +125 C (Extended) |
| Ethernet MAC | 10/100 integrated | 10/100 Mbps with IEEE 1588 PTP |
| CAN-FD | 2 controllers | — |
| USB | USB 2.0 High-Speed PHY integrated | — |
| Cryptography Engine | AES-256, SHA, TRNG | — |
| ADC | 12-bit SAR + 16-bit sigma-delta | 12-bit, up to 1 Msps, up to 32 channels |
| RoHS Status | Compliant | Compliant |
| MSL Level | 3 (168 hours) | 3 |
| Lead-Free | Yes | — |
| Core | — | ARM Cortex-M4F with FPU and DSP extensions |
| Maximum CPU Clock | — | 120 MHz |
| Program Memory (Flash) | — | 1 MB (Dual Panel, with ECC) |
| Data Memory (SRAM) | — | 256 KB (with ECC) |
| CAN-FD Controllers | — | 2 (Dual CAN-FD) |
| USB Interface | — | USB 2.0 Full-Speed Host/Device |
| SERCOM Peripherals | — | Yes (configurable UART/SPI/I2C) |
| TrustZone-M | — | Yes (ARM TrustZone for Cortex-M) |
| Cache | — | 4 KB instruction cache |
| Lead-Free / Halogen-Free | — | Yes (per Microchip product page) |