ATSAME51N19A-AU-EFP vs ATSAME51N20A-AU-EFP Comparison
Detailed side-by-side comparison of ATSAME51N19A-AU-EFP by Microchip Technology and ATSAME51N20A-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
ATSAME51N19A-AU-EFP - SAM E51 120MHz M4F MCU, 512KB | Microchip
ATSAME51N19A-AU-EFP β ActiveMicrochip Technology
ATSAME51N20A-AU-EFP - 120MHz Cortex-M4F MCU, 1MB Flash | Microchip
ATSAME51N20A-AU-EFP β ActiveSpecification Comparison
| Parameter | ATSAME51N19A-AU-EFP | ATSAME51N20A-AU-EFP |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $7.35 | $8.10 |
| Core | ARM Cortex-M4F with FPU | ARM Cortex-M4F (with FPU) |
| Core Count | 1 (Single-Core) | β |
| Maximum Clock Frequency | 120 MHz | β |
| Program Memory | 512 KB Flash (dual-panel) | β |
| RAM | 192 KB total SRAM (100 KB + QSPI/XIP cache areas) | β |
| Operating Voltage Range | 1.62 V to 3.63 V | β |
| Operating Temperature Range | -40 C to +85 C (industrial) | β |
| Package | 100-pin TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Instruction Flash Layout | Dual-Panel Flash with Live Update (EFP suffix variant) | β |
| Communication Interfaces | USB 2.0 FS, CAN-FD, I2C, SPI, UART, QSPI, I2S | SERCOM (UART/SPI/I2C), I2S, RS-485 |
| ADC | 12-bit, up to 16 channels | 12-bit, up to 1 Msps |
| DAC | 12-bit, 2 channels | 12-bit |
| Security | AES, SHA, TRNG (EFP variant) | β |
| MSL Level | MSL3 (per JEDEC J-STD-020, 168-hour floor life) | β |
| RoHS Status | Compliant | Compliant |
| Lifecycle | Active | β |
| Core Architecture | β | ARM 32-bit |
| Maximum CPU Clock | β | 120 MHz |
| Program Memory (Flash) | β | 1 MB (1M x 8) |
| SRAM | β | 256 KB |
| Flash Type | β | Dual-Panel Flash with ECC |
| Operating Voltage (VDDIO) | β | 3.3 V |
| Operating Temperature | β | -40C to +85C |
| USB Interface | β | Full-Speed USB 2.0 with embedded PHY |
| CAN Interface | β | 2x CAN-FD controllers |
| Timers/PWM | β | 16-bit TCC (Timer/Counter for Control) |
| Debug Interface | β | SWD (Serial Wire Debug) |
| Series | β | SAM E51 / SAM E53 family |
| Suffix Designation | β | EFP = Extended Flash Performance silicon revision |