ATSAME51N20A-AU vs ATSAME51N19A-AU Comparison
Detailed side-by-side comparison of ATSAME51N20A-AU by Microchip Technology and ATSAME51N19A-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
ATSAME51N20A-AU - 120MHz Cortex-M4F MCU, 1MB Flash | Microchip
ATSAME51N20A-AU ✓ ActiveMicrochip Technology
ATSAME51N19A-AU - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
ATSAME51N19A-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAME51N20A-AU | ATSAME51N19A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.97 | $4.98 |
| Core | ARM Cortex-M4F with FPU and DSP | — |
| Maximum CPU Clock | 120 MHz | — |
| Flash Memory | 1 MB (1M x 8) Dual-Panel with ECC | — |
| SRAM | 256 KB | 192 KB |
| Operating Voltage | 2.7 V to 3.6 V | — |
| Operating Temperature | -40 C to +85 C | — |
| Package | 100-TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) |
| Mounting Type | Surface Mount | — |
| ADC | 12-bit, up to 1 MSPS, up to 32 channels | Up to 2x 12-bit, 1 MSPS |
| Communication Interfaces | 6x SERCOM (UART/SPI/I2C), 1x CAN-FD, 1x USB 2.0 FS, 1x Ethernet MAC | — |
| Cryptographic Accelerator | AES-128/192/256, SHA-256/HMAC, TRNG | AES, SHA, TRNG |
| Timers | 16-bit TC, 32-bit TCC, RTC | — |
| GPIO | [DATA_NEEDED: GPIO count for TQFP-100] | — |
| DMA Channels | 32 (12 dedicated + 20 configurable) | 32 |
| MSL Level | 3 (per JEDEC J-STD-020) | — |
| RoHS Status | Compliant | Compliant |
| Core Architecture | — | ARM Cortex-M4F with FPU |
| Maximum Clock Frequency | — | 120 MHz |
| Program Memory (Flash) | — | 512 KB with ECC |
| Operating Temperature Grade | — | -40°C to +85°C (industrial) |
| Operating Voltage Range | — | 1.71 V to 3.6 V |
| DAC | — | 12-bit, 1 MSPS |
| USB | — | USB 2.0 Full-Speed, on-chip transceiver |
| CAN | — | CAN-FD |
| SERCOM Channels | — | Up to 8 (UART/SPI/I2C configurable) |
| TrustZone-M | — | Supported |