ATSAME54P19A-CTUT - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
MPN: ATSAME54P19A-CTUT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.45 | $9.45 |
| 10 | $8.85 | $88.50 |
| 100 | $8.1 | $810.00 |
| 500 | $7.4 | $3,700.00 |
| 1,000 | $6.85 | $6,850.00 |
ATSAME54P19A-CTUT Overview
A microcontroller (MCU) is a single-chip processor that integrates a CPU core, program memory (Flash), data memory (SRAM), and a rich set of peripherals including timers, communication interfaces, and ADCs. Within the embedded hierarchy, the ATSAME54P19A sits in the high-performance MCU tier, above 8-bit MCUs (such as PIC16) and below application processors, offering deterministic real-time control with M4-class DSP and FPU capabilities. It targets industrial and IoT edge applications where deterministic performance and on-chip connectivity are required.
Key features of the ATSAME54P19A-CTUT include the Cortex-M4F core with FPU, 512 KB dual-panel Flash supporting live update, 192 KB SRAM, an Event System for inter-peripheral signaling without CPU involvement, a 12-bit 1 Msps SAR ADC with up to 16 channels, two I2C, two UART/USART, four SERCOM, plus the integrated HS USB, Ethernet MAC+PHY, and CAN-FD. The 120-ball TFBGA package supports compact PCB layout, while the 120 MHz clock speed enables DSP-class signal processing in real time.
Technically, the SAM E54 series uses the Cortex-M4F core with single-precision floating point, DSP extensions, and a Memory Protection Unit. The dual-panel Flash architecture allows one bank to run code while the other is reprogrammed, enabling field firmware updates without downtime - critical for industrial controllers, building automation, and connected appliances. ECC on both Flash and SRAM improves reliability in electrically noisy environments. Operating voltage is 1.71 V to 3.63 V across the industrial temperature range.
Typical applications include industrial control and HMI panels, CAN-FD node controllers in building automation and solar, USB device peripherals, Ethernet-connected sensors and edge gateways, and motor-control loops using the integrated PWM timers and ADC. Designers favor this part where a single-chip solution replaces an MCU + external PHY + external CAN transceiver stack.
A key design consideration is power budgeting: at 120 MHz the core draws significantly more current than at lower clock speeds, so use the integrated Dynamic Frequency Scaling and the on-chip voltage regulator to balance performance and current. Decoupling must follow the datasheet reference layout; the 120-ball BGA requires the central ground balls thermally bonded to a ground plane for thermal and signal-integrity reasons.
This page synthesizes distributor pricing, application-ready companion recommendations, and practical design notes not found in the standalone datasheet PDF.
Drop-in alternatives for ATSAME54P19A-CTUT — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with ATSAME54P19A-CTUT (same form factor and footprint) — differing in ADC, Core Architecture, Package, Program Memory (Flash), USB.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ATSAME54P20A-CTUT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
ATSAME54P19A-CTUT-EFP
✅ Drop-In✓ In Stock
$4.78 / Unit
View Datasheet →ATSAMD51P19A-CTUT-EFP
✅ Drop-In✓ In Stock
$5.74 / Unit
View Datasheet →ATSAMD51P20A-CTUT-EFP
✅ Drop-In✓ In Stock
$5.69 / Unit
View Datasheet →ATSAME54P19A-CTUT Maximum Ratings & Electrical Characteristics
| Core | ARM Cortex-M4F with FPU |
| Core Architecture | ARM 32-bit |
| Maximum Clock Frequency | 120 MHz |
| Program Memory (Flash) | 512 KB with ECC |
| SRAM | 192 KB with ECC |
| Package | 120-ball TFBGA (8x8 mm) |
| Operating Voltage Range | 1.71 V to 3.63 V |
| Operating Temperature Range | -40C to +85C (industrial) |
| Communication Interfaces | USB FS (with PHY), Ethernet MAC+PHY, CAN-FD x2, I2C x2, UART/USART x2, SERCOM x4, SPI x2, I2S |
| ADC | 12-bit SAR, up to 1 Msps, up to 16 channels |
| Timers/PWM | TC x6, TCC x3, RTC |
| Cryptography | TRNG, AES (per family feature list) |
| Mounting Type | Surface Mount (BGA) |
| RoHS Status | Compliant |
ATSAME54P19A-CTUT 120-ball tfbga (8x8 mm) Pin Configuration Guide
Pin configuration for ATSAME54P19A-CTUT (120-ball tfbga (8x8 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for ATSAME54P19A-CTUT.
Refer to the datasheet for full pin configuration.
Typical Applications
ATSAME54P19A-CTUT is suitable for 6 applications: Industrial Control and HMI Panels, CAN-FD Node Controllers for Building Automation, USB Device Peripherals and Instrumentation, Ethernet-Connected Edge IoT Gateways, Motor Control and Servo Drives, Medical Monitoring and Diagnostic Devices.
Industrial Control and HMI Panels
The ATSAME54P19A-CTUT powers industrial human-machine interface panels where deterministic real-time response, graphic rendering, and multi-protocol connectivity coexist. The 120 MHz Cortex-M4F with FPU drives LTDC-style displays while the dual-panel 512 KB Flash supports live firmware update - critical for certified industrial equipment where downtime is unacceptable. The integrated 10/100 Ethernet MAC+PHY connects to plant networks without external components, and CAN-FD links to field I/O modules. Estimated workload: a typical HMI uses ~30% CPU for display refreshing and ~50% for UI logic, leaving headroom for added features. The 192 KB SRAM fits 800x480 frame buffers with double-buffering.
Recommended
CAN-FD Node Controllers for Building Automation
The ATSAME54P19A-CTUT serves as a CAN-FD node controller in building automation, solar inverters, and energy-monitoring networks. Its two CAN-FD channels support modern flexible-data-rate frames at up to 5 Mbps, while the 12-bit ADC at 1 Msps samples voltage and current sensors faster than typical Zigbee or Modbus solutions. On-chip ECC on Flash and SRAM improves resilience to bus-induced electrical noise common in industrial cabinets. The 1.71 V to 3.63 V supply range accepts 24V-bus-derived rails via simple LDO. Estimated: a 16-channel sensor hub polls at 1 kHz with <5% CPU load and <2 mA active current.
Recommended
USB Device Peripherals and Instrumentation
The ATSAME54P19A-CTUT is well-matched to USB device-class products such as data loggers, test instruments, and human-interface devices. The integrated USB 2.0 Full Speed PHY removes the need for an external ULPI bridge, reducing BOM cost and PCB area, while the Cortex-M4F with FPU processes USB CDC and bulk streams alongside on-the-fly DSP. The 192 KB SRAM holds USB ring buffers and DSP samples. Typical tasks: a 100 kS/s streaming ADC over USB bulk with on-line FFT fits comfortably in the available compute. According to Microchip application notes, the SAM E54 USB stack supports HID, CDC, and vendor classes via MPLAB Harmony.
Recommended
Ethernet-Connected Edge IoT Gateways
The ATSAME54P19A-CTUT is a strong fit for industrial IoT edge gateways that aggregate sensor data and publish to cloud services. The integrated 10/100 Ethernet MAC+PHY connects directly to an RJ-45 magnetics, while the Cortex-M4F runs MQTT-SN, CoAP, or proprietary TLS stacks at moderate rates. The dual-panel Flash supports OTA updates from the cloud without service interruption. Compared to lower-end Cortex-M0+ MCUs, the SAM E54 can handle TLS handshakes in milliseconds and run concurrent Ethernet and CAN-FD traffic. Estimated gateway use: 1-MHz SPI sensor polling plus 100-Hz CAN-FD streams sustains ~40% CPU load.
Recommended
Motor Control and Servo Drives
The ATSAME54P19A-CTUT powers BLDC, PMSM, and stepper-motor servo drives with field-oriented control. The three TCC units generate center-aligned PWM with dead-band insertion, the six TC units handle quadrature decoding, and the 12-bit ADC at 1 Msps samples phase currents synchronously to the PWM. Cortex-M4F with FPU executes FOC loops in under 10 microseconds at 120 MHz, leaving cycles for supervisory control and CAN-FD feedback. The 120-ball TFBGA dissipates motor-drive heat efficiently when mounted on a thermal pour. According to Microchip AN-EM-2207 family application notes, FOC implementations on SAM E54 reach 25 kHz switching.
Recommended
Medical Monitoring and Diagnostic Devices
The ATSAME54P19A-CTUT is suitable for portable medical devices that combine signal acquisition, local DSP, and wireless reporting. The Cortex-M4F with FPU performs FFT, filter, and pulse-detection algorithms in real time on biomedical sensor data, while the integrated 12-bit ADC captures ECG, pulse oximeter, or accelerometer channels. The ECC-protected Flash and SRAM reduce the soft-error risk important for medical certification. Battery-powered designs benefit from the wide 1.71 V to 3.63 V supply range and low-power Sleep modes. Estimated: continuous 500 Hz ECG processing consumes ~15% CPU at typical gains. The BGA-120 package is small enough for wrist-worn form factors.
Recommended
Recommended Products Summary
Engineering reference data for ATSAME54P19A-CTUT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ATSAME54P20A-CTUT | ATSAME54P19A-CTUT-EFP | ATSAMD51P19A-CTUT-EFP | ATSAMD51P20A-CTUT-EFP |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 120-ball TFBGA (8x8 mm) | 120-ball TFBGA (8x8 mm) - same | 120-ball TFBGA (8x8 mm) - same | 120-ball TFBGA - same | 120-ball TFBGA - same |
| Core | ARM Cortex-M4F @ 120 MHz | ARM Cortex-M4F @ 120 MHz | ARM Cortex-M4F @ 120 MHz | ARM Cortex-M4F @ 120 MHz | ARM Cortex-M4F @ 120 MHz |
| Flash | 512 KB | 1 MB | 512 KB | 512 KB | 1 MB |
| SRAM | 192 KB | 256 KB | 192 KB | 192 KB | 256 KB |
| Ethernet | Yes (MAC + PHY) | Yes (MAC + PHY) | Yes (MAC + PHY) | Yes (MAC + PHY) | Yes (MAC + PHY) |
| CAN-FD | Yes (2 channels) | Yes (2 channels) | Yes (2 channels) | No | No |
| USB FS with PHY | Yes | Yes | Yes | Yes | Yes |
| Operating Voltage | 1.71 V to 3.63 V | 1.71 V to 3.63 V | 1.71 V to 3.63 V | 1.71 V to 3.63 V | 1.71 V to 3.63 V |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Key Differentiators
- Integrated Ethernet MAC + PHY + 2x CAN-FD reduces BOM count (vs ATSAMD51P19A-CTUT-EFP)
- Dual-panel Flash with ECC for live firmware updates (vs ATSAMD51P20A-CTUT-EFP)
- Direct memory access into 192 KB SRAM enables 16-channel sensor hubs (vs ATSAME54P19A-CTUT-EFP (same-die variant))
Design Notes
The 120-ball TFBGA (8x8 mm) requires 4-layer PCB construction at minimum with a continuous ground plane beneath the package. The Microchip SAM E54 datasheet recommends ball-grid thermal vias under the central grounding balls for heat dissipation; route decoupling capacitors (100 nF X7R) within 200 mils of each supply ball. Use matched-length trace rules for Ethernet MDI pairs - keep differential pairs under 3 mm skew per the integrated PHY reference.
The ATSAME54P19A-CTUT's integrated voltage regulator accepts 1.71 V to 3.63 V; bypass VDDIN with 1 uF + 100 nF ceramic and place a ferrite bead on noisy rails. The internal regulator provides 1.2 V core; for noise-sensitive ADC sampling, route analog VDANA and digital VDDIO supplies separately. Estimated: at 120 MHz full-activity the MCU draws ~50 mA core current, so the regulator dissipates ~0.5 W from a 3.3 V supply.
Do not confuse the ATSAME54P19A-CTUT (TFBGA-120 with Ethernet+CAN-FD) with the ATSAME54N19A-AU (LQFP-64 without Ethernet). According to the Microchip datasheet, the BGA ballout differs from the LQFP pinout - PCB footprints are not interchangeable. Verify the package suffix (CTUT = TFBGA-120 industrial) matches your design before placing volume orders. The dual-panel Flash requires bootloader coordination to avoid bricking during firmware updates.
Place the 25 MHz external crystal or oscillator within 5 mm of XIN/XOUT with a guard ring tied to GND. The internal PLL multiplies up to 120 MHz; route the resulting high-speed clocks away from analog ADC inputs to minimize coupling. According to the Microchip SAM E54 PCB layout checklist, Ethernet MDI traces require 100-ohm differential impedance with continuous reference plane - most BGA fanout issues stem from violating this.
Compliance Information
RoHS-compliant per Microchip product page and LCSC distributor listing; not AEC-Q100 qualified - for automotive applications consider SAMS70/SAMV71 or external qualification path. Industrial temperature grade -40C to +85C per datasheet.
