ATSAME51N19A-AF vs ATSAME51N20A-AF Comparison
Detailed side-by-side comparison of ATSAME51N19A-AF by Microchip Technology and ATSAME51N20A-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
ATSAME51N19A-AF - 120MHz Cortex-M4F MCU 512KB Flash TQFP-100
ATSAME51N19A-AF ✓ ActiveMicrochip Technology
ATSAME51N20A-AF - 120MHz Cortex-M4F MCU 1MB Flash | Microchip
ATSAME51N20A-AF ✓ ActiveSpecification Comparison
| Parameter | ATSAME51N19A-AF | ATSAME51N20A-AF |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.55 | $6.55 |
| Manufacturer | Microchip Technology | — |
| Series | SAM E51 | — |
| Core | ARM Cortex-M4F (32-bit, FPU + DSP) | ARM Cortex-M4F with single-precision FPU |
| Maximum CPU Clock | 120 MHz | — |
| Flash Memory | 512 KB (Dual Panel) | — |
| SRAM | 192 KB | 256 KB with ECC |
| Operating Voltage (VDD) | 2.7 V to 5.5 V | — |
| Operating Temperature | -40 C to +125 C (Extended Industrial) | -40C to +125C (industrial, AEC-Q100) |
| Package | 100-pin TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| USB | USB 2.0 Full-Speed with embedded PHY | USB 2.0 Full-Speed Device/Host with integrated PHY |
| CAN | CAN-FD | CAN 2.0B + CAN-FD |
| SERCOM / Comms | Up to 6 SERCOM (USART/SPI/I2C/LIN configurable) | — |
| ADC | 12-bit, up to 1 MSPS, up to 32 channels | 12-bit, up to 16 channels, 1 MSPS |
| DAC | 2 x 12-bit | 12-bit, 2 channels |
| Touch Peripheral (PTC) | Yes (capacitive touch) | — |
| FPU | Single-precision IEEE 754 | — |
| RoHS Status | Compliant | Compliant |
| MSL Level | [DATA_NEEDED: MSL level] | 3 (168 hours) |
| Maximum Clock Frequency | — | 120 MHz |
| Program Memory | — | 1 MB (1M x 8) Flash with ECC, dual-panel |
| Supply Voltage (VDD) | — | 1.71 V to 3.6 V |
| Programmable I/O Pins | — | 81 |
| Serial Engines (SERCOM) | — | Configurable USART/SPI/I2C, multiple instances |
| Timers | — | Multiple TC channels for PWM/capture/quadrature |
| AEC-Q100 | — | Qualified |
| Family | — | SAM E51 (SAM D5x/E5x family) |