ATSAME51J20A-AU-EFP vs ATSAME54P20A-AU-EFP Comparison
Detailed side-by-side comparison of ATSAME51J20A-AU-EFP by Microchip Technology and ATSAME54P20A-AU-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
ATSAME51J20A-AU-EFP - 120MHz Cortex-M4F MCU, 1MB Flash | Microchip
ATSAME51J20A-AU-EFP ✓ ActiveMicrochip Technology
ATSAME54P20A-AU-EFP - 120MHz Cortex-M4F MCU, 1MB Flash, TQFP-128
ATSAME54P20A-AU-EFP ✓ ActiveSpecification Comparison
| Parameter | ATSAME51J20A-AU-EFP | ATSAME54P20A-AU-EFP |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.35 | $9.46 |
| Core | ARM Cortex-M4F with single-precision FPU | ARM Cortex-M4F with FPU and DSP extensions |
| Maximum CPU Clock | 120 MHz | 120 MHz |
| Program Memory (Flash) | 1 MB (1024 KB) Dual-Panel Flash with ECC | 1 MB (1M x 8) with ECC, dual-panel |
| SRAM | 256 KB | 256 KB with ECC |
| Instruction Cache (I-cache) | 16 KB | — |
| Supply Voltage (VDD) | 3.3 V typical (1.71 V to 3.6 V range) | — |
| Package | 64-pin TQFP (10x10 mm) | 128-TQFP (14x14 mm) |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (industrial, "AU" grade) |
| ADC | 12-bit, up to 1 MSPS, up to 32 channels | 12-bit, up to 1 Msps |
| DAC | 12-bit, 1 MSPS | Yes (12-bit) |
| Communication Interfaces | SERCOM x8 (UART/SPI/I2C), USB 2.0 Full-Speed, CAN-FD, I2S | — |
| DMA Channels | 32 channels (DMAC + linked descriptors) | — |
| Timers/Counters | TCC x6, TC x3, RTC | — |
| Touch Peripheral | Peripheral Touch Controller (PTC) | — |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | [DATA_NEEDED: MSL rating] | — |
| RoHS Status | Compliant | Compliant |
| Lead-Free / Halogen-Free | Yes (per Microchip product page) | — |
| Pin Count | — | 128 |
| Operating Voltage (VDD) | — | [DATA_NEEDED: Vdd range] |
| USB Interface | — | USB 2.0 Full-Speed Device/Host/OTG |
| Ethernet | — | 10/100 Mbps MAC with IEEE 1588 support |
| CAN | — | CAN-FD controllers (multiple instances) |
| SD/MMC | — | SDHC/SDXC host interface |
| Crypto Accelerator | — | AES, SHA, TRNG |
| Programming Interface | — | SWD (Serial Wire Debug) |