ATSAME51N20A-AU-EFP vs ATSAME51N19A-AU-EFP Comparison
Detailed side-by-side comparison of ATSAME51N20A-AU-EFP by Microchip Technology and ATSAME51N19A-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
ATSAME51N20A-AU-EFP - 120MHz Cortex-M4F MCU, 1MB Flash | Microchip
ATSAME51N20A-AU-EFP ✓ ActiveMicrochip Technology
ATSAME51N19A-AU-EFP - SAM E51 120MHz M4F MCU, 512KB | Microchip
ATSAME51N19A-AU-EFP ✓ ActiveSpecification Comparison
| Parameter | ATSAME51N20A-AU-EFP | ATSAME51N19A-AU-EFP |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core | ARM Cortex-M4F (with FPU) | ARM Cortex-M4F with FPU |
| Core Architecture | ARM 32-bit | — |
| Maximum CPU Clock | 120 MHz | — |
| Program Memory (Flash) | 1 MB (1M x 8) | — |
| SRAM | 256 KB | — |
| Flash Type | Dual-Panel Flash with ECC | — |
| Operating Voltage (VDDIO) | 3.3 V | — |
| Operating Temperature | -40C to +85C | — |
| Package | 100-pin TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| USB Interface | Full-Speed USB 2.0 with embedded PHY | — |
| CAN Interface | 2x CAN-FD controllers | — |
| ADC | 12-bit, up to 1 Msps | 12-bit, up to 16 channels |
| DAC | 12-bit | 12-bit, 2 channels |
| Communication Interfaces | SERCOM (UART/SPI/I2C), I2S, RS-485 | USB 2.0 FS, CAN-FD, I2C, SPI, UART, QSPI, I2S |
| Timers/PWM | 16-bit TCC (Timer/Counter for Control) | — |
| Debug Interface | SWD (Serial Wire Debug) | — |
| RoHS Status | Compliant | Compliant |
| Series | SAM E51 / SAM E53 family | — |
| Suffix Designation | EFP = Extended Flash Performance silicon revision | — |
| Core Count | — | 1 (Single-Core) |
| Maximum Clock Frequency | — | 120 MHz |
| Program Memory | — | 512 KB Flash (dual-panel) |
| RAM | — | 192 KB total SRAM (100 KB + QSPI/XIP cache areas) |
| Operating Voltage Range | — | 1.62 V to 3.63 V |
| Operating Temperature Range | — | -40 C to +85 C (industrial) |
| Instruction Flash Layout | — | Dual-Panel Flash with Live Update (EFP suffix variant) |
| Security | — | AES, SHA, TRNG (EFP variant) |
| MSL Level | — | MSL3 (per JEDEC J-STD-020, 168-hour floor life) |
| Lifecycle | — | Active |