ATSAME54P20A-AF vs ATSAME54P19A-AU Comparison
Detailed side-by-side comparison of ATSAME54P20A-AF by Microchip Technology and ATSAME54P19A-AU 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
ATSAME54P20A-AF - 120MHz Cortex-M4F MCU, 1MB Flash, Ethernet | Microchip
ATSAME54P20A-AF β ActiveMicrochip Technology
ATSAME54P19A-AU - 120MHz Cortex-M4F MCU 512KB Flash | Microchip
ATSAME54P19A-AU β ActiveSpecification Comparison
| Parameter | ATSAME54P20A-AF | ATSAME54P19A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.14 | $8.35 |
| Core | ARM Cortex-M4F with FPU and DSP extensions | β |
| Maximum CPU Clock | 120 MHz | β |
| Program Memory (Flash) | 1 MB (Dual Panel, with ECC) | β |
| Data Memory (SRAM) | 256 KB (with ECC) | β |
| Package | 128-pin TQFP (14x14 mm) | 128-TQFP (14x14 mm) |
| Operating Voltage | 1.71 V to 3.6 V | 3.3 V (typical) |
| Operating Temperature | -40 C to +125 C (Extended) | -40 C to +85 C (AU grade) |
| Ethernet MAC | 10/100 Mbps with IEEE 1588 PTP | 10/100 integrated |
| CAN-FD Controllers | 2 (Dual CAN-FD) | β |
| USB Interface | USB 2.0 Full-Speed Host/Device | β |
| ADC | 12-bit, up to 1 Msps, up to 32 channels | 12-bit SAR + 16-bit sigma-delta |
| SERCOM Peripherals | Yes (configurable UART/SPI/I2C) | β |
| TrustZone-M | Yes (ARM TrustZone for Cortex-M) | β |
| Cache | 4 KB instruction cache | β |
| RoHS Status | Compliant | Compliant |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 | 3 (168 hours) |
| Lead-Free / Halogen-Free | Yes (per Microchip product page) | β |
| Core Architecture | β | ARM Cortex-M4F with FPU and DSP |
| Maximum CPU Speed | β | 120 MHz |
| Flash Memory | β | 512 KB (dual-panel, ECC) |
| SRAM | β | 128 KB (ECC) |
| Pin Count | β | 128 |
| CAN-FD | β | 2 controllers |
| USB | β | USB 2.0 High-Speed PHY integrated |
| Cryptography Engine | β | AES-256, SHA, TRNG |
| Lead-Free | β | Yes |