ATSAMD51P19A-CTUT - 120MHz Cortex-M4F MCU, 512KB Flash, 120-TFBGA | Microchip
Teilenummer: ATSAMD51P19A-CTUT ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $9.85 | $9,85 |
| 10 | $9.1 | $91,00 |
| 100 | $8.05 | $805,00 |
| 500 | $7.2 | $3.600,00 |
| 1.000 | $6.4 | $6.400,00 |
| 3.000 | $5.55 | $16.650,00 |
ATSAMD51P19A-CTUT Übersicht
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), working memory (SRAM), and a rich set of peripherals (ADC, DAC, timers, communication controllers) on one die. Within the broader taxonomy, the ATSAMD51 sits in the Cortex-M4 class of mid-to-high performance microcontrollers, above Cortex-M0/M3 parts and below Cortex-M7 application processors; SAM D51 specifically is Microchip's general-purpose performance tier positioned between the lower-power SAMD20 and the higher-end SAME70. This 120 MHz Cortex-M4F class is widely used in IoT, industrial control, and consumer HMI designs that need DSP instructions, single-precision float, and deterministic interrupt response.
Key features that distinguish this part include its 120 MHz core with FPU and DSP extensions, dual-panel Flash with hardware ECC for safety, an on-chip Full-Speed USB 2.0 device/host controller, a 12-bit 1 MSPS ADC with up to 16 channels, a 12-bit 1 MSPS DAC, multiple SERCOM interfaces configurable as UART/SPI/I2C, a 16-bit Event System, and a 32-bit Real-Time Clock. The 120-TFBGA package also provides excellent thermal dissipation and signal integrity at 120 MHz operation, while the SD/MMC host interface enables external storage for logging or display buffer needs.
The architecture combines the ARM Cortex-M4F core with Microchip's peripheral-rich Atmel/Mchp IP blocks. Dual-panel Flash allows in-field updates without halting execution (live firmware upgrade) and ECC protects against single-bit memory faults - both important for functional-safety and IEC 60730 / IEC 61508-style designs. The Cortex-M4F FPU accelerates float math; paired with the included DSP instructions it can run audio codecs, sensor fusion, and small ML inference on-device without offloading to a host.
Typical applications include industrial HMI panels, USB-based data loggers, motor control with FOC loops, connected sensor hubs, and consumer audio products. The 120 MHz speed plus DSP makes it suitable for real-time audio decoding and active-noise-cancelling headphone designs, while the high GPIO count fits multi-button white goods, HVAC controllers, and small home appliances.
When designing with the ATSAMD51P19A-CTUT, allocate at least one decoupling 100 nF + 1 uF per VDD pin pair, and route the 120-ball TFBGA BGA fan-out on inner layers with 0.4 mm pitch. The WLCSP/BGA package requires reflow profile per J-STD-020 (MSL-3 typically), and the Cortex-M4F vector table must be remapped in software after boot if the bootloader is moved to a different Flash region.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on the standalone manufacturer datasheet or distributor catalog.
Drop-in-Alternativen für ATSAMD51P19A-CTUT – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit ATSAMD51P19A-CTUT (gleiche Bauform und Footprint) – abweichend in ADC, DAC, Operating Temperature, Core Architecture, Package.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
ATSAMD51P20A-CTUT
✅ Drop-In✓ Auf Lager
$10.45 / Stück
Datenblatt ansehen →ATSAMD51P19A-CTUT-EFP
✅ Drop-In✓ Auf Lager
$5.74 / Stück
Datenblatt ansehen →ATSAMD51N20A-AU
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
$8.49 / Stück
Datenblatt ansehen →ATSAMD51P19A-CTFT
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
$6.85 / Stück
Datenblatt ansehen →ATSAME54P20A-CFN
✅ Drop-In ⚠️ Spezifikationen ungeprüft📋 Referenzalternative (nicht im Katalog)
ATSAMD51P19A-CTUT Grenzwerte & elektrische Eigenschaften
| Core Architecture | ARM Cortex-M4F (32-bit, with FPU and DSP) |
| Maximale Taktfrequenz | 120 MHz |
| Flash Memory | 512 KB (dual-panel, with ECC) |
| 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 |
| Gehäuse | 120-ball TFBGA, 8x8 mm, 0.4 mm pitch |
| Betriebstemperatur | -40 C to +85 C (industrial) |
| ADC | 12-bit, up to 1 MSPS, up to 16 channels |
| DAC | 12-bit, 1 MSPS, up to 2 channels |
| USB | USB 2.0 Full-Speed device/host, with integrated PHY |
| Communication Peripherals | 6x SERCOM (UART/SPI/I2C), 2x I2S, 1x CAN-FD |
| Timers | 16-bit TC x9, 32-bit TCC x2, RTC with calendar |
| External Bus Interface | SDR QSPI / SMPS interface, SD/MMC host |
| Crypto / Integrity | Flash ECC, tamper detector, TrustZone-M not present on D51 |
| Montageart | Surface Mount (TFBGA) |
| RoHS-Status | Compliant |
ATSAMD51P19A-CTUT 120-ball tfbga, 8x8 mm, 0.4 mm pitch Pinbelegungsleitfaden
Pinbelegung für ATSAMD51P19A-CTUT (120-ball tfbga, 8x8 mm, 0.4 mm pitch-Gehäuse). Dieser digitale IC umfasst GPIO, Kommunikationsschnittstellen (UART, SPI, I2C) und Versorgungspins. Alternative Pin-Funktionen und Konfigurationsoptionen entnehmen Sie dem Herstellerdatenblatt. Unverzichtbar für Embedded-System-Design und PCB-Layout.
Keine detaillierten Pinbelegungsdaten verfügbar für ATSAMD51P19A-CTUT.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
ATSAMD51P19A-CTUT ist geeignet für 6 Anwendungs: Industrial HMI / Touch-Screen Controller, USB Data Logger / Sensor Hub, Audio / DSP Processing Node, IoT / Connected Sensor Edge Node, Motor Control / FOC Drive, Portable Medical / Wellness Device.
Industrial HMI / Touch-Screen Controller
The ATSAMD51P19A-CTUT fits industrial HMI panels that need a Cortex-M4F to drive 480x320 TFT displays and respond to capacitive touch in under 50 ms. Its 120 MHz core with single-precision FPU performs render scrolling in real time while the integrated USB 2.0 FS device port enumerates as a HID/MSC composite for PC configuration. The 90 GPIO lines support the backlight PWM, capacitive touch I2C channel, and a CAN-FD bus to the main PLC. The 120-TFBGA package is compatible with the inner-layer fan-out used by most 4-layer HMI boards.
Empfohlen
USB Data Logger / Sensor Hub
In a USB-attached sensor hub, the ATSAMD51P19A-CTUT enumerates as a CDC + MSC composite device and streams ADC samples to a host while recording to SD card. The 512 KB Flash is enough to host a USB stack plus a small sensor-fusion algorithm. The 12-bit 1 MSPS ADC captures up to 16 analog channels, while the SERCOM ports fan out to SPI/I2C sensors. The 192 KB SRAM doubles as a USB ring buffer, dropping packets only at the USB Full-Speed bandwidth limit. No external USB PHY is needed thanks to the integrated transceiver.
Empfohlen
Audio / DSP Processing Node
Audio applications benefit from the ATSAMD51P19A-CTUT's Cortex-M4F DSP extensions. A 120 MHz M4F can decode 48 kHz / 24-bit MP3 or run a small ANC filter for headphones without offloading. The dual-panel 512 KB Flash holds both the bootloader and the codec firmware, and the I2S interfaces connect directly to external DACs. The 120-TFBGA 0.4 mm pitch layout keeps the analog/digital ground split short, which is essential for a 100+ dB SNR target. Use the Event System to sync I2S sample timing without CPU intervention.
Empfohlen
IoT / Connected Sensor Edge Node
The ATSAMD51P19A-CTUT serves as an edge node collecting sensor data, running inference locally, then transmitting via Wi-Fi or LoRa. Its Cortex-M4F runs small CNN or DSP models on streaming accelerometer data before wake-and-transmit. The SD/MMC host stores logs to removable cards, while SERCOM ports connect SPI sensors. The 1.71-3.63 V supply supports direct Li-Ion battery operation, and the low-power RTC lets the core sleep between sample bursts for years of battery life.
Empfohlen
Motor Control / FOC Drive
Three-phase FOC of a 1 kW BLDC motor benefits from the ATSAMD51P19A-CTUT's 120 MHz math headroom and 16-bit TCC timers with dead-time generators. The ADC sample-and-hold can be triggered from PWM edges for synchronous current sensing, and the Cortex-M4F runs the Park/Clarke transform with deterministic 12 us loop latency. The integrated CAN-FD lets the drive talk to a higher-level controller. 512 KB Flash holds the FOC library plus a small UI, while 192 KB SRAM hosts the speed/PI controller state.
Empfohlen
Portable Medical / Wellness Device
Portable medical devices such as pulse oximeters or handheld ECG monitors run on the ATSAMD51P19A-CTUT. The Cortex-M4F runs a real-time DSP heart-rate detection algorithm in <2 ms per sample, while the 12-bit ADC captures PPG or ECG signal at 1 MSPS. The SD/MMC host stores patient logs; the USB Full-Speed port recharges the battery and exports data to PC. The industrial -40C to +85C range supports medical device reliability requirements, and the Flash ECC prevents single-bit faults from corrupting long-term logs.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für ATSAMD51P19A-CTUT – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | ATSAMD51P20A-CTUT | ATSAMD51P19A-CTUT-EFP | ATSAMD51P19A-CTFT | ATSAMD51N20A-AU | ATSAME54P20A-CFN |
|---|---|---|---|---|---|---|
| Package | 120-TFBGA (8x8 mm) | 120-TFBGA (8x8 mm) - same | 120-TFBGA (8x8 mm) - same | 120-TFBGA (8x8 mm) - same | 128-TQFP - different | 120-CFBGA - family |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Architecture | ARM Cortex-M4F | ARM Cortex-M4F - same | ARM Cortex-M4F - same | ARM Cortex-M4F - same | ARM Cortex-M4F - same | ARM Cortex-M4F - same |
| Maximum Clock Frequency | 120 MHz | 120 MHz - same | 120 MHz - same | 120 MHz - same | 120 MHz - same | 120 MHz - same |
| Flash Memory | 512 KB | 1 MB | 512 KB - same | 512 KB - same | 1 MB | 1 MB |
| Supply Voltage | 1.71 V to 3.63 V | 1.71 V to 3.63 V - same | 1.71 V to 3.63 V - same | 1.71 V to 3.63 V - same | 1.71 V to 3.63 V - same | 1.71 V to 3.63 V - same |
| GPIO Count (max) | 90 | 90 - same | 90 - same | 90 - same | 75 - less | 99 - more |
| USB | USB 2.0 FS device/host | USB 2.0 FS device/host - same | USB 2.0 FS device/host - same | USB 2.0 FS device/host - same | USB 2.0 FS device/host - same | USB 2.0 HS + FS |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C - same | -40 C to +85 C - same | -40 C to +85 C - same | -40 C to +85 C - same | -40 C to +85 C - same |
| Approx Unit Price (qty 1, as of 2026-09-21) | $9.85 | $11.50 | $10.20 | $9.95 | $11.10 | $13.40 |
Wichtigste Unterscheidungsmerkmale
- Dual-panel Flash with ECC for live firmware update and memory safety (vs. ATSAMD51P19A-AU (TQFP package variant))
- Highest GPIO and peripheral count in the SAM D51 family (vs. ATSAMD51J19A-MU (64-QFN package variant))
- Integrated Full-Speed USB device/host with on-chip PHY (vs. ATSAME54P20A (adds High-Speed USB))
Designhinweise
The ATSAMD51P19A-CTUT ships in a 120-ball 0.4 mm pitch TFBGA, so PCB fan-out requires inner-layer escape routing. Use a 0.8 mm via-in-pad with 0.4 mm drill for all BGA pads, and route signal traces on layer L3/L4 using 0.075 mm/0.15 mm trace/space. Microchip TB3155 documents a 6-layer stack-up with 1H TFBGA escape on L1/L3. Always include a 0.1 uF + 1 uF decoupling cap pair per VDD/VDDIO pair within 2 mm of the balls.
Estimated power consumption at 120 MHz core clock and full USB activity is ~80 mA from the VDDIN rail (per ASF Active Mode measurements). When designing the 3.3 V LDO upstream, size for 200 mA peak to handle in-rush during USB enumeration. VDDIN and VDDIO must be the same rail; a separate 1.8 V domain is allowed only for the I/O pad voltage divider interface.
Place the 16 MHz crystal within 3 mm of the XIN/XOUT balls with a ground guard ring. Keep the 32.768 kHz watch crystal close to its dedicated RTC pins. The USB D+/D- traces should be 45 ohm differential, length-matched within 2 mm, and routed over a continuous ground pour. The SD/MMC/SDR bus runs at 50 MHz - match lengths within 5 mm across 4-bit groups and via-stitch each side of the bus.
Common mistakes: leaving the SWDIO/SWDCLK pins floating (they must be pulled-up at reset or the debugger will not connect); not clearing the GPNVM bits after boot before enabling dual-bank Flash; using the slow 4 MHz internal RC as the USB clock source (must switch to 48 MHz PLL before enabling USB); forgetting to lock the Cortex-M4F vector table to the bootloader region before enabling the bootloader FUSE.
Estimated junction temperature rise at 80 mA core + IO load: with theta_JA = 28 C/W on a 4-layer JEDEC test board (per Microchip SAM D51 datasheet), the part dissipates roughly 0.27 W and the junction rises ~7.5 C above ambient. At -40 C ambient worst case industrial, the junction is still well inside the 125 C limit. Add a copper pour under the BGA to reduce theta_JA to ~15 C/W if you operate at 3.6 V ambient 85 C.
Compliance-Informationen
RoHS and REACH compliance per Microchip product page. Not AEC-Q100 qualified - automotive designs should select ATSAMx70 or ATSAMx54-Q1 variants. Halogen-free status not explicitly published.
