ATSAMD51N20A-AU vs ATSAMD51P19A-CTUT Comparison
Detailed side-by-side comparison of ATSAMD51N20A-AU by Microchip Technology and ATSAMD51P19A-CTUT 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
ATSAMD51N20A-AU - 120MHz Cortex-M4F MCU 1MB Flash 100-TQFP | Microchip
ATSAMD51N20A-AU ✓ ActiveMicrochip Technology
ATSAMD51P19A-CTUT - 120MHz Cortex-M4F MCU, 512KB Flash, 120-TFBGA | Microchip
ATSAMD51P19A-CTUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD51N20A-AU | ATSAMD51P19A-CTUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.49 | $5.55 |
| Core | ARM Cortex-M4F with FPU | — |
| Maximum Clock Frequency | 120 MHz | 120 MHz |
| Flash Memory | 1 MB (1M x 8) dual-panel with ECC | 512 KB (dual-panel, with ECC) |
| SRAM | 256 KB with ECC | [DATA_NEEDED: SRAM size, vendor lists 192 KB across same family] |
| Operating Voltage | 1.71 V to 3.6 V | — |
| ADC | 12-bit, up to 1 MSPS, up to 32 channels | 12-bit, up to 1 MSPS, up to 16 channels |
| DAC | Dual 12-bit DAC | 12-bit, 1 MSPS, up to 2 channels |
| USB | USB 2.0 Full-/High-Speed with on-chip PHY | USB 2.0 Full-Speed device/host, with integrated PHY |
| Serial Interfaces | 6x SERCOM (UART/SPI/I2C/LIN) | — |
| Audio Interface | I2S | — |
| Memory Card Interface | SD/MMC host controller | — |
| Timers | 16-bit and 24-bit, with PWM/capture/quadrature | 16-bit TC x9, 32-bit TCC x2, RTC with calendar |
| Analog Comparators | 3 | — |
| Operating Temperature | -40C to +85C (industrial) | -40 C to +85 C (industrial) |
| Package | 100-pin TQFP (14x14 mm) | 120-ball TFBGA, 8x8 mm, 0.4 mm pitch |
| Mounting Type | Surface Mount | Surface Mount (TFBGA) |
| MSL Level | 3 (168 hours) | [DATA_NEEDED: MSL] |
| RoHS Status | Compliant | Compliant |
| Core Architecture | — | ARM Cortex-M4F (32-bit, with FPU and DSP) |
| Operating Voltage (VDDIN) | — | 1.71 V to 3.63 V |
| I/O Voltage | — | 1.71 V to 3.63 V |
| GPIO Count | — | Up to 90 |
| Communication Peripherals | — | 6x SERCOM (UART/SPI/I2C), 2x I2S, 1x CAN-FD |
| External Bus Interface | — | SDR QSPI / SMPS interface, SD/MMC host |
| DMA Channels | — | [DATA_NEEDED: DMA channel count] |
| Crypto / Integrity | — | Flash ECC, tamper detector, TrustZone-M not present on D51 |