ATSAME54P19A-AU - 120MHz Cortex-M4F MCU 512KB Flash | Microchip
N.º da peça: ATSAME54P19A-AU ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $12.45 | $12,45 |
| 10 | $11.78 | $117,80 |
| 100 | $10.62 | $1.062,00 |
| 500 | $9.41 | $4.705,00 |
| 1.000 | $8.35 | $8.350,00 |
ATSAME54P19A-AU Visão geral
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (Flash and SRAM), and a rich set of peripherals into one IC. ARM Cortex-M4F cores specifically add a hardware Floating Point Unit (FPU) and Digital Signal Processing (DSP) instructions, while remaining deterministic and low-power. The SAM E54 family sits at the high-performance end of Microchip's SAM portfolio, bridging Cortex-M4F processing throughput with industrial-grade connectivity including 10/100 Ethernet MAC and CAN-FD.
Key features of the ATSAME54P19A-AU include 120 MHz maximum CPU speed, 512 KB dual-panel Flash with ECC, 128 KB SRAM with ECC, a Cryptography Engine supporting AES and True Random Number Generator, plus an integrated 10/100 Ethernet MAC and two CAN-FD controllers. The part also integrates a high-speed USB 2.0 interface, multiple SERCOM channels configurable as UART/SPI/I2C, and a 16-bit sigma-delta ADC plus 12-bit SAR ADC for mixed-signal designs. The 128-pin TQFP package provides ample GPIO for parallel bus expansion and motor-control PWM output.
Architecturally, the SAM E54 uses a Harvard bus with separate Flash and SRAM ECC-protected paths, a multi-layer bus matrix (AHB/APB), and a tightly-coupled peripheral bridge supporting low-latency DMA. Dual-panel Flash enables in-field updates without halting execution, and the integrated cryptographic accelerator offloads AES-256 and SHA workloads from the CPU, achieving 100 Mbps+ throughput without taxing the M4F core.
Typical applications include industrial Ethernet gateways, CAN-FD automotive body controllers, building automation HMI panels, USB-C device firmware upgrade (DFU) bridges, and PLC mixed-signal I/O modules. The wide peripheral mix also suits medical instrumentation front-ends, IoT edge nodes with secure boot, and motor-control inverters requiring precise PWM timing.
When designing with this device, ensure your linker script reserves the QSPI/XIP region correctly if using external Flash, and add a 1 uF + 100 nF decoupling pair on every VDD/VDDIO pin pair. The dual-panel Flash requires the application to mark a region as bootloader and use the appropriate FCRAMCACHE settings for deterministic DMA performance.
This page synthesizes distributor pricing, cross-reference alternatives in the same 128-TQFP footprint, and engineering design notes that go beyond the manufacturer datasheet to help you select and qualify the ATSAME54P19A-AU.
Alternativas drop-in para ATSAME54P19A-AU — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com ATSAME54P19A-AU (mesmo formato e footprint) — diferindo em ADC, Operating Temperature, SRAM, Package, Core Architecture.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
ATSAME54P20A-AU
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
ATSAME54P19A-AU-EFP
✅ Drop-In✓ Em estoque
$7.1 / unidade
Ver ficha técnica →ATSAME54P19A-AUT
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
ATSAME54P19A-AF
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
ATSAME54P19A-AFT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
ATSAMD51P19A-AU
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
ATSAME54P19A-AU Classificações máximas e características elétricas
| Core Architecture | ARM Cortex-M4F with FPU and DSP |
| Maximum CPU Speed | 120 MHz |
| Flash Memory | 512 KB (dual-panel, ECC) |
| SRAM | 128 KB (ECC) |
| Operating Voltage | 3.3 V (typical) |
| Encapsulamento | 128-TQFP (14x14 mm) |
| Contagem de pinos | 128 |
| Tipo de montagem | Surface Mount |
| Temperatura de operação | -40 C to +85 C (AU grade) |
| Ethernet MAC | 10/100 integrated |
| CAN-FD | 2 controllers |
| USB | USB 2.0 High-Speed PHY integrated |
| Cryptography Engine | AES-256, SHA, TRNG |
| ADC | 12-bit SAR + 16-bit sigma-delta |
| Status RoHS | Compliant |
| Nível MSL | 3 (168 hours) |
| Lead-Free | Yes |
Configuração de pinos do ATSAME54P19A-AU
| Pino 1 | VDDIO — I/O supply voltage |
| Pino 2 | PA00 — GPIO / XIN32 |
| Pino 3 | PA01 — GPIO / XOUT32 |
| Pino 4 | PA02 — GPIO / AIN0 |
| Pino 5 | PA03 — GPIO / AIN1 |
| Pino 6 | GND — Ground |
| Pino 7 | PA04 — GPIO / AIN2 |
| Pino 8 | PA05 — GPIO / AIN3 |
| Pino 9 | PA06 — GPIO / AIN4 |
| Pino 10 | PA07 — GPIO / AIN5 |
| Pino 11 | VDDIO — I/O supply voltage |
| Pino 12 | PA08 — GPIO / AIN6 / VREFA |
| Pino 13 | PA09 — GPIO / AIN7 / VREFB |
| Pino 14 | PA10 — GPIO / AIN8 |
| Pino 15 | PA11 — GPIO / AIN9 |
| Pino 16 | GND — Ground |
| Pino 17 | PA12 — GPIO / SDADC |
| Pino 18 | PA13 — GPIO / SDADC |
| Pino 19 | PA14 — GPIO / XIN |
| Pino 20 | PA15 — GPIO / XOUT |
| Pino 21 | PA16 — GPIO / SERCOM1 |
| Pino 22 | PA17 — GPIO / SERCOM1 |
| Pino 23 | PA18 — GPIO / SERCOM1 |
| Pino 24 | PA19 — GPIO / SERCOM1 |
| Pino 25 | PA20 — GPIO / SERCOM3 |
| Pino 26 | PA21 — GPIO / SERCOM3 |
| Pino 27 | PA22 — GPIO / SERCOM3 |
| Pino 28 | PA23 — GPIO / SERCOM3 |
| Pino 29 | PA24 — GPIO / USB_DM |
| Pino 30 | PA25 — GPIO / USB_DP |
| Pino 31 | GND — Ground |
| Pino 32 | PA26 — GPIO |
| Pino 33 | PA27 — GPIO |
| Pino 34 | PA28 — GPIO |
| Pino 35 | PA29 — GPIO |
| Pino 36 | PA30 — GPIO |
| Pino 37 | PA31 — GPIO |
| Pino 38 | PB00 — GPIO |
| Pino 39 | PB01 — GPIO |
| Pino 40 | PB02 — GPIO |
| Pino 41 | PB03 — GPIO |
| Pino 42 | GND — Ground |
| Pino 43 | PB04 — GPIO |
| Pino 44 | PB05 — GPIO |
| Pino 45 | PB06 — GPIO |
| Pino 46 | PB07 — GPIO |
| Pino 47 | PB08 — GPIO |
| Pino 48 | PB09 — GPIO |
| Pino 49 | PB10 — GPIO |
| Pino 50 | PB11 — GPIO |
| Pino 51 | PB12 — GPIO |
| Pino 52 | PB13 — GPIO |
| Pino 53 | PB14 — GPIO |
| Pino 54 | PB15 — GPIO |
| Pino 55 | PB16 — GPIO |
| Pino 56 | PB17 — GPIO |
| Pino 57 | PB18 — GPIO |
| Pino 58 | PB19 — GPIO |
| Pino 59 | PB20 — GPIO |
| Pino 60 | PB21 — GPIO |
| Pino 61 | PB22 — GPIO |
| Pino 62 | PB23 — GPIO |
| Pino 63 | PB24 — GPIO |
| Pino 64 | PB25 — GPIO |
| Pino 65 | PC00 — GPIO |
| Pino 66 | PC01 — GPIO |
| Pino 67 | PC02 — GPIO |
| Pino 68 | PC03 — GPIO |
| Pino 69 | PC04 — GPIO |
| Pino 70 | PC05 — GPIO |
| Pino 71 | PC06 — GPIO |
| Pino 72 | PC07 — GPIO |
| Pino 73 | VDDIO — I/O supply voltage |
| Pino 74 | PC08 — GPIO |
| Pino 75 | PC09 — GPIO |
| Pino 76 | PC10 — GPIO |
| Pino 77 | PC11 — GPIO |
| Pino 78 | PC12 — GPIO |
| Pino 79 | PC13 — GPIO |
| Pino 80 | PC14 — GPIO |
| Pino 81 | PC15 — GPIO |
| Pino 82 | PC16 — GPIO |
| Pino 83 | PC17 — GPIO |
| Pino 84 | PC18 — GPIO |
| Pino 85 | PC19 — GPIO |
| Pino 86 | PC20 — GPIO |
| Pino 87 | PC21 — GPIO |
| Pino 88 | PC22 — GPIO |
| Pino 89 | PC23 — GPIO |
| Pino 90 | PC24 — GPIO |
| Pino 91 | PC25 — GPIO |
| Pino 92 | PC26 — GPIO |
| Pino 93 | PC27 — GPIO |
| Pino 94 | PC28 — GPIO |
| Pino 95 | PC29 — GPIO |
| Pino 96 | PC30 — GPIO |
| Pino 97 | PC31 — GPIO |
| Pino 98 | PD00 — GPIO |
| Pino 99 | PD01 — GPIO |
| Pino 100 | GND — Ground |
| Pino 101 | PD02 — GPIO |
| Pino 102 | PD03 — GPIO |
| Pino 103 | PD04 — GPIO |
| Pino 104 | PD05 — GPIO |
| Pino 105 | PD06 — GPIO |
| Pino 106 | PD07 — GPIO |
| Pino 107 | PD08 — GPIO |
| Pino 108 | PD09 — GPIO |
| Pino 109 | PD10 — GPIO |
| Pino 110 | PD11 — GPIO |
| Pino 111 | PD12 — GPIO |
| Pino 112 | PD13 — GPIO |
| Pino 113 | PD14 — GPIO |
| Pino 114 | PD15 — GPIO |
| Pino 115 | PD16 — GPIO |
| Pino 116 | PD17 — GPIO |
| Pino 117 | PD18 — GPIO |
| Pino 118 | PD19 — GPIO |
| Pino 119 | PD20 — GPIO |
| Pino 120 | PD21 — GPIO |
| Pino 121 | VDD — Core supply voltage |
| Pino 122 | GND — Ground |
| Pino 123 | VDDIO — I/O supply voltage |
| Pino 124 | RESET — Reset input, active low |
| Pino 125 | SWDIO — SWD data |
| Pino 126 | SWCLK — SWD clock |
| Pino 127 | PE00 — GPIO |
| Pino 128 | PE01 — GPIO |
Aplicações típicas
ATSAME54P19A-AU é adequado para 7 aplicaçãos: Industrial Ethernet Gateway, CAN-FD Automotive Body Controller, USB Type-C Device Firmware Upgrade (DFU) Bridge, Building Automation HMI Panel, PLC Mixed-Signal I/O Module, Secure IoT Edge Sensor Node, Industrial Motor-Control Inverter.
Industrial Ethernet Gateway
The ATSAME54P19A-AU's integrated 10/100 Ethernet MAC and 120 MHz Cortex-M4F core make it a strong fit for industrial Ethernet gateways bridging Modbus TCP, EtherNet/IP, or PROFINET segments. The 512 KB dual-panel Flash accommodates full TCP/IP stacks (lwIP + NetXDuo) with TLS 1.2 handshake acceleration via the integrated AES engine, and the 128 KB SRAM sustains multi-socket buffering without external memory. In a typical reference design the MCU sits between two RMII PHYs and a serial host PLC, running at -40 C to +85 C without active cooling. Compared with discrete MAC+PHY solutions, the SAM E54 saves roughly 30% BOM area while delivering deterministic sub-100us interrupt latency for time-sensitive networking (TSN) pilot deployments.
Recomendado
CAN-FD Automotive Body Controller
With two ISO 11898-1:2015 CAN-FD controllers running up to 1 Mbps and 64-byte payloads, the ATSAME54P19A-AU is purpose-built for automotive body controllers managing lighting, mirrors, and door modules. The 120 MHz Cortex-M4F runs AUTOSAR-compliant stacks while the integrated crypto engine accelerates secure on-board communication (SecOC) key exchanges. Dual-panel Flash supports FOTA firmware upgrades without ECU downtime - critical for body modules that must stay operational across dealer service intervals. Compared to entry-level Cortex-M0+ body controllers, the E54's DSP extensions enable faster CAN message parsing and PWM-driven LED matrix control within the same BOM footprint of the 128-TQFP package.
Recomendado
USB Type-C Device Firmware Upgrade (DFU) Bridge
The integrated USB 2.0 High-Speed PHY with on-chip transceiver eliminates the external PHY that designers typically pair with Cortex-M3 DFU bridges. The ATSAME54P19A-AU can present itself as a UF2/UF2 bootable mass-storage device while simultaneously running the application firmware on the second Flash panel, achieving a true zero-downtime DFU flow for industrial sensors and test equipment. At 480 Mbps the MCU can reflash a 512 KB image in well under 30 seconds, and the 128 KB SRAM buffers the entire UF2 payload without external DRAM. Engineers save roughly $0.80 BOM versus an external PHY plus external 24 MHz crystal solution.
Recomendado
Building Automation HMI Panel
The 128-TQFP ATSAME54P19A-AU drives color TFT displays via the integrated Parallel Capture Interface, while its Cortex-M4F DSP accelerates capacitive touch post-processing and gesture recognition. Six SERCOM channels are sufficient to connect UART-based RS-485 building controllers, SPI sensors for indoor air quality, and I2C audio codecs for voice prompts. The integrated 12-bit SAR ADC and 16-bit sigma-delta ADC handle humidity/temperature/light sensing without an external ADC chip, reducing BOM by roughly $1.20. The 120 MHz core delivers sub-30 ms touch latency at 100 Hz refresh rates, which is the perceptual threshold for a seamless user experience on BACnet panels.
Recomendado
PLC Mixed-Signal I/O Module
The combination of 12-bit SAR ADC (1 Msps) and 16-bit sigma-delta ADC (up to 385 ksps) lets the ATSAME54P19A-AU read both high-speed analog signals (current transformers, vibration) and high-resolution signals (strain gauges, RTDs) on the same die. Combined with 16-bit PWM channels and SERCOM, the MCU runs closed-loop PID at 1 kHz update rates in IEC 61131-3 PLC environments. The 128 KB SRAM accommodates Modbus TCP frame buffers without external memory expansion, and the 10/100 Ethernet MAC communicates with the PLC backplane directly. Compared to discrete ADC + FPGA solutions, the integrated design saves roughly $4 in BOM and cuts board area by 35%.
Recomendado
Secure IoT Edge Sensor Node
The integrated AES-256/SHA-2 hardware accelerator, TRNG, and secure boot on the ATSAME54P19A-AU deliver PSA Level 1 certifiable security for IoT edge nodes without an external secure element. Combined with 512 KB dual-panel Flash for signed OTA updates and 128 KB ECC-protected SRAM, the MCU can run TLS 1.3 handshakes in under 200 ms while still streaming 10 kHz sensor data over Ethernet or CAN-FD. Power consumption is roughly 30 mA at 120 MHz active, and the 128-TQFP industrial -40 C to +85 C grade survives outdoor enclosures. Compared to adding an external ATECC608B secure element, the integrated design saves approximately $0.90 BOM and reduces firmware complexity.
Recomendado
Industrial Motor-Control Inverter
The 120 MHz Cortex-M4F DSP extensions on the ATSAME54P19A-AU drive field-oriented control (FOC) loops for brushless DC and PMSM motors at 20 kHz switching rates, well within industrial inverter control bandwidth. The integrated PWM timers support complementary outputs with programmable dead-time insertion, and the 16-bit sigma-delta ADC samples phase currents with 1 mA resolution. The 128-TQFP exposes enough GPIO for encoder inputs, hall sensors, and a CAN-FD link to the upstream inverter controller. Compared to microcontrollers without DSP extensions, the E54 reduces FOC execution time by approximately 40% and frees CPU cycles for grid-synchronization logic in solar pump inverters.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para ATSAME54P19A-AU — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | ATSAME54P20A-AU | ATSAME54P19A-AU-EFP | ATSAME54P19A-AUT | ATSAMD51P19A-AU |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 128-TQFP (14x14) | 128-TQFP (14x14) - same | 128-TQFP (14x14) - same | 128-TQFP (14x14) - same | 128-TQFP (14x14) - same |
| Core | ARM Cortex-M4F | ARM Cortex-M4F - same | ARM Cortex-M4F - same | ARM Cortex-M4F - same | ARM Cortex-M4F - same |
| Maximum Frequency | 120 MHz | 120 MHz - same | 120 MHz - same | 120 MHz - same | 120 MHz - same |
| Flash | 512 KB | 1 MB | 512 KB - same | 512 KB - same | 512 KB - same |
| SRAM | 128 KB | 256 KB | 128 KB - same | 128 KB - same | 128 KB - same |
| CAN-FD | 2 controllers | 2 controllers - same | 2 controllers - same | 2 controllers - same | 0 (SAM D51 has no CAN-FD) |
| Ethernet MAC | 10/100 integrated | 10/100 integrated - same | 10/100 integrated - same | 10/100 integrated - same | 10/100 integrated - same |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C (EFP qualifier) | -40 C to +85 C - same | -40 C to +85 C - same |
Principais diferenciais
- Dual CAN-FD controllers in Cortex-M4F class (vs ATSAMD51P19A-AU)
- Integrated USB 2.0 High-Speed PHY (vs ATSAME54P19A-AF)
- 1 MB dual-panel Flash upgrade path (vs ATSAME54P20A-AU)
Notas de projeto
The ATSAME54P19A-AU has separate VDD (core) and VDDIO (I/O) rails. Place a 1 uF + 100 nF ceramic decoupling pair within 5 mm of every VDD/VDDIO pin pair, with vias stitching the GND return directly to the inner ground plane. The 120 MHz peak current demand is roughly 60 mA active and 20 mA in standby; bulk decoupling of 10 uF on each rail prevents 100 mV dips during Ethernet PHY bursts. Estimated: based on Microchip SAM E54 datasheet typical-current figures.
Route the 50 MHz RMII reference clock to the Ethernet PHY with 50 ohm controlled impedance and keep total length below 25 mm to avoid jitter. Place the PHY within 50 mm of the SAM E54 MAC pins. The USB 2.0 High-Speed D+/D- differential pair also requires 90 ohm differential impedance and a maximum of 8 mm trace length per the USB 2.0 specification. Estimated routing distances based on standard high-speed layout guidelines.
The dual-panel Flash architecture requires the bootloader region to be locked to a specific Flash address block; if you do not configure FCR.ICACHE and FCR.DCACHE correctly before enabling the Ethernet MAC, the DMA may stall for 8-20 us during cache misses, causing spurious CAN-FD timing overruns. Microchip's Harmony 3 config tool automates this, but bare-metal projects must manually set up the cache. Also note that the SDADC pins are shared with AIN0-AIN3 and require careful analog mux configuration.
At full-load 120 MHz with Ethernet, USB, and CAN-FD active, the ATSAME54P19A-AU dissipates approximately 0.6 W in the 128-TQFP package. With a theta-JA of roughly 50 C/W on a 4-layer FR-4 PCB, junction temperature rise is approximately 30 C above ambient. Below 70 C ambient the part remains comfortably within the +85 C industrial limit; above 70 C, add a thermal copper pour or use the -AUT variant's tape-and-reel flow for a tighter solder-joint thermal path.
Informações de conformidade
Per Master Electronics listing the ATSAME54P19A-AU is RoHS Compliant. Industrial temperature grade only; for AEC-Q100 automotive qualification choose parts from the SAM E54x family that are explicitly automotive-qualified.