ATSAME51J20A-AU vs ATSAME51J20A-AF Comparison
Detailed side-by-side comparison of ATSAME51J20A-AU by Microchip Technology and ATSAME51J20A-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
ATSAME51J20A-AU - Cortex-M4F MCU 120MHz 1MB Flash | Microchip
ATSAME51J20A-AU ✓ ActiveMicrochip Technology
ATSAME51J20A-AF - 120MHz Cortex-M4F MCU, 1MB Flash | Microchip
ATSAME51J20A-AF ✓ ActiveSpecification Comparison
| Parameter | ATSAME51J20A-AU | ATSAME51J20A-AF |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $6.45 | $5.10 |
| Core Architecture | ARM Cortex-M4F with single-precision FPU | ARM Cortex-M4F with FPU and DSP extensions |
| Maximum Core Frequency | 120 MHz | — |
| Flash Memory | 1 MB (dual-panel with ECC) | — |
| SRAM | 256 KB | 256 KB |
| Operating Voltage Range | 1.71 V to 3.63 V | — |
| Package | 64-pin TQFP (10x10 mm) | 64-pin TQFP, 10 mm x 10 mm, 0.5 mm pitch |
| Pin Count | 64 | — |
| Operating Temperature Range | -40 C to +85 C | — |
| USB | USB 2.0 Full-Speed with on-chip transceiver | — |
| CAN | CAN-FD controllers | — |
| SERCOM Modules | Configurable as UART / SPI / I2C | — |
| ADC | 16-bit sigma-delta and 12-bit SAR ADC | 1 MSPS, 12-bit, up to 16 channels |
| Hardware Crypto Accelerator | AES, TRNG | — |
| Mounting Type | Surface Mount | Surface Mount (TQFP) |
| MSL Level | [DATA_NEEDED: MSL rating] | 3 (168 hours) |
| RoHS Status | Compliant | — |
| Lead-Free | Yes | — |
| Maximum CPU Clock | — | 120 MHz |
| Program Memory | — | 1 MB (1M x 8) dual-panel Flash with ECC |
| Supply Voltage | — | 1.71 V to 3.63 V |
| Operating Temperature | — | -40 C to +125 C (extended) |
| DAC | — | 12-bit, 2 channels |
| Communication Interfaces | — | USB 2.0 Full-Speed, 2x CAN-FD, Ethernet MAC 10/100 with 1588, 4x SERCOM (UART/SPI/I2C), 2x I2S, 1x HS SD Card / eMMC |
| Timer/Counter | — | 5x 16-bit TC, 3x 24-bit TCC for PWM |
| DMA | — | DMAC with 32 channels + Event System |
| Memory Protection | — | TrustZone-M (optional, SAM E51 variant dependent) |
| Automotive Qualification | — | AEC-Q100 qualified |