ATSAME54P20A-AUT - 120MHz Cortex-M4F MCU 1MB Flash | Microchip
Артикул: ATSAME54P20A-AUT ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $13.96 | $13,96 |
| 10 | $12.5 | $125,00 |
| 100 | $11.2 | $1.120,00 |
| 500 | $9.8 | $4.900,00 |
| 1.000 | $8.95 | $8.950,00 |
ATSAME54P20A-AUT Обзор
What is a Cortex-M4F microcontroller? A Cortex-M4F (Cortex-M4 with Floating-Point Unit) is an ARM processor core designed for embedded systems that need both DSP-class signal processing and IEEE 754 single-precision floating-point math. It belongs to the Cortex-M family -> 32-bit MCU hierarchy -> embedded microprocessor -> semiconductor. The 'M' variants use Thumb-2 instruction set with deterministic interrupt latency, distinguishing them from Cortex-A application cores used in Linux systems.
Key features of the ATSAME54P20A-AUT include a 120 MHz CPU with single-precision FPU, 1 MB dual-panel Flash supporting live firmware update, 256 KB SRAM, plus connectivity peripherals including 10/100 Ethernet MAC, dual CAN-FD, USB 2.0 High-Speed, and SD/SDIO/eMMC host. The SAM E54 also integrates a 12-bit 1 Msps ADC, DAC, analog comparators, and SERCOM (serial communication) ports for flexible peripheral mapping.
Architecturally, the SAM E54 uses Microchip's Event System for zero-latency inter-peripheral signaling, a hardware cryptographic module supporting AES/SHA/TRNG, and a Dual-Panel Flash architecture that allows one bank to be updated while code runs from the other - critical for functional safety and Over-The-Air (OTA) firmware updates. The Cortex-M4F delivers 1.25 DMIPS/MHz with DSP extensions for sensor fusion and motor control loops.
Typical applications include industrial PLCs and motor drives with FOC algorithms, automotive body and gateway ECUs, building automation BACnet/Modbus nodes, IoT edge gateways with Ethernet connectivity, and consumer audio DSP products. The combination of CAN-FD + Ethernet + Cortex-M4F DSP makes the SAME54 ideal for industrial protocol bridging.
When designing with this device, plan for a robust 3.3V LDO or DC-DC supply with bulk decoupling, route the Ethernet MII/RMII signals with controlled-impedance traces, and reserve the dual-panel Flash banks for A/B OTA partitioning. Use Microchip's MPLAB Harmony 3 or ASF4 frameworks and SEGGER Embedded Studio for IDE support.
Аналоги без доработки для ATSAME54P20A-AUT — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с ATSAME54P20A-AUT (тот же форм-фактор и посадочное место) — отличается по Operating Temperature, Core, USB, ADC, Package.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
ATSAME54P20A-AU
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
ATSAME54P20A-AFT
✅ Прямая замена✓ В наличии
$9.14 / шт.
Открыть даташит →ATSAME54P20A-AF
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$8.14 / шт.
Открыть даташит →ATSAME54P19A-AUT-EFP
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$8.65 / шт.
Открыть даташит →ATSAME54N20A-AUT
✅ Прямая замена✓ В наличии
$7.1 / шт.
Открыть даташит →ATSAME54N19A-AUT
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$5.94 / шт.
Открыть даташит →ATSAME54P20A-AUT Максимальные параметры и электрические характеристики
| Core | ARM Cortex-M4F (with FPU and DSP) |
| Maximum CPU Clock | 120 MHz |
| Flash Memory | 1 MB (Dual Panel, with ECC) |
| SRAM | 256 KB (with ECC) |
| Operating Voltage | 1.62 V to 3.6 V |
| Корпус | 128-pin TQFP (14x14 mm) |
| Operating Temperature (Automotive grade) | Up to +85C |
| Ethernet | 10/100 MAC (GMAC) |
| CAN | 2x CAN-FD |
| USB | USB 2.0 High-Speed with PHY |
| ADC | 12-bit, up to 1 Msps |
| DAC | 12-bit |
| Cryptographic Acceleration | AES, SHA-256, TRNG |
| Тип монтажа | Surface Mount |
| Статус RoHS | Compliant |
Конфигурация выводов ATSAME54P20A-AUT
| Контакт 1 | PD0 — GPIO PD0 (general purpose I/O) |
| Контакт 2 | PD1 — GPIO PD1 (general purpose I/O) |
| Контакт 3 | PD2 — GPIO PD2 (general purpose I/O) |
| Контакт 4 | PD3 — GPIO PD3 (general purpose I/O) |
| Контакт 5 | VDDIN |
| Контакт 6 | GND — Ground |
| Контакт 7 | PD4 — GPIO PD4 (general purpose I/O) |
| Контакт 8 | PD5 — GPIO PD5 (general purpose I/O) |
| Контакт 9 | PD6 — GPIO PD6 (general purpose I/O) |
| Контакт 10 | PD7 — GPIO PD7 (general purpose I/O) |
| Контакт 11 | PD8 — GPIO PD8 (general purpose I/O) |
| Контакт 12 | PD9 — GPIO PD9 (general purpose I/O) |
| Контакт 13 | PD10 — GPIO PD10 (general purpose I/O) |
| Контакт 14 | PD11 — GPIO PD11 (general purpose I/O) |
| Контакт 15 | PD12 — GPIO PD12 (general purpose I/O) |
| Контакт 16 | PD13 — GPIO PD13 (general purpose I/O) |
| Контакт 17 | PD14 — GPIO PD14 (general purpose I/O) |
| Контакт 18 | PD15 — GPIO PD15 (general purpose I/O) |
| Контакт 19 | VDDIO — I/O voltage supply |
| Контакт 20 | GND — Ground |
| Контакт 21 | PC0 — GPIO PC0 (general purpose I/O) |
| Контакт 22 | PC1 — GPIO PC1 (general purpose I/O) |
| Контакт 23 | PC2 — GPIO PC2 (general purpose I/O) |
| Контакт 24 | PC3 — GPIO PC3 (general purpose I/O) |
| Контакт 25 | PC4 — GPIO PC4 (general purpose I/O) |
| Контакт 26 | PC5 — GPIO PC5 (general purpose I/O) |
| Контакт 27 | PC6 — GPIO PC6 (general purpose I/O) |
| Контакт 28 | PC7 — GPIO PC7 (general purpose I/O) |
| Контакт 29 | PC8 — GPIO PC8 (general purpose I/O) |
| Контакт 30 | PC9 — GPIO PC9 (general purpose I/O) |
| Контакт 31 | PC10 — GPIO PC10 (general purpose I/O) |
| Контакт 32 | PC11 — GPIO PC11 (general purpose I/O) |
| Контакт 33 | PC12 — GPIO PC12 (general purpose I/O) |
| Контакт 34 | PC13 — GPIO PC13 (general purpose I/O) |
| Контакт 35 | PC14 — GPIO PC14 (general purpose I/O) |
| Контакт 36 | PC15 — GPIO PC15 (general purpose I/O) |
| Контакт 37 | PA0 — GPIO PA0 (general purpose I/O) |
| Контакт 38 | PA1 — GPIO PA1 (general purpose I/O) |
| Контакт 39 | PA2 — GPIO PA2 (general purpose I/O) |
| Контакт 40 | PA3 — GPIO PA3 (general purpose I/O) |
| Контакт 41 | PA4 — GPIO PA4 (general purpose I/O) |
| Контакт 42 | PA5 — GPIO PA5 (general purpose I/O) |
| Контакт 43 | PA6 — GPIO PA6 (general purpose I/O) |
| Контакт 44 | PA7 — GPIO PA7 (general purpose I/O) |
| Контакт 45 | PA8 — GPIO PA8 (general purpose I/O) |
| Контакт 46 | PA9 — GPIO PA9 (general purpose I/O) |
| Контакт 47 | PA10 — GPIO PA10 (general purpose I/O) |
| Контакт 48 | PA11 — GPIO PA11 / USB D- |
| Контакт 49 | PA12 — GPIO PA12 / USB D+ |
| Контакт 50 | PA13 — GPIO PA13 (general purpose I/O) |
| Контакт 51 | PA14 — GPIO PA14 (general purpose I/O) |
| Контакт 52 | PA15 — GPIO PA15 (general purpose I/O) |
| Контакт 53 | VDDIO — I/O voltage supply |
| Контакт 54 | GND — Ground |
| Контакт 55 | PB0 — GPIO PB0 (general purpose I/O) |
| Контакт 56 | PB1 — GPIO PB1 (general purpose I/O) |
| Контакт 57 | PB2 — GPIO PB2 (general purpose I/O) |
| Контакт 58 | PB3 — GPIO PB3 (general purpose I/O) |
| Контакт 59 | PB4 — GPIO PB4 (general purpose I/O) |
| Контакт 60 | PB5 — GPIO PB5 (general purpose I/O) |
| Контакт 61 | PB6 — GPIO PB6 (general purpose I/O) |
| Контакт 62 | PB7 — GPIO PB7 (general purpose I/O) |
| Контакт 63 | PB8 — GPIO PB8 (general purpose I/O) |
| Контакт 64 | PB9 — GPIO PB9 (general purpose I/O) |
| Контакт 65 | PB10 — GPIO PB10 (general purpose I/O) |
| Контакт 66 | PB11 — GPIO PB11 (general purpose I/O) |
| Контакт 67 | PB12 — GPIO PB12 (general purpose I/O) |
| Контакт 68 | PB13 — GPIO PB13 (general purpose I/O) |
| Контакт 69 | PB14 — GPIO PB14 (general purpose I/O) |
| Контакт 70 | PB15 — GPIO PB15 (general purpose I/O) |
| Контакт 71 | VDDIO — I/O voltage supply |
| Контакт 72 | GND — Ground |
| Контакт 73 | PE0 — GPIO PE0 (general purpose I/O) |
| Контакт 74 | PE1 — GPIO PE1 (general purpose I/O) |
| Контакт 75 | PE2 — GPIO PE2 (general purpose I/O) |
| Контакт 76 | PE3 — GPIO PE3 (general purpose I/O) |
| Контакт 77 | PE4 — GPIO PE4 (general purpose I/O) |
| Контакт 78 | PE5 — GPIO PE5 (general purpose I/O) |
| Контакт 79 | PE6 — GPIO PE6 (general purpose I/O) |
| Контакт 80 | PE7 — GPIO PE7 (general purpose I/O) |
| Контакт 81 | PE8 — GPIO PE8 (general purpose I/O) |
| Контакт 82 | PE9 — GPIO PE9 (general purpose I/O) |
| Контакт 83 | PE10 — GPIO PE10 (general purpose I/O) |
| Контакт 84 | PE11 — GPIO PE11 (general purpose I/O) |
| Контакт 85 | PE12 — GPIO PE12 (general purpose I/O) |
| Контакт 86 | PE13 — GPIO PE13 (general purpose I/O) |
| Контакт 87 | PE14 — GPIO PE14 (general purpose I/O) |
| Контакт 88 | PE15 — GPIO PE15 (general purpose I/O) |
| Контакт 89 | PF0 — GPIO PF0 (general purpose I/O) |
| Контакт 90 | PF1 — GPIO PF1 (general purpose I/O) |
| Контакт 91 | PF2 — GPIO PF2 (general purpose I/O) |
| Контакт 92 | PF3 — GPIO PF3 (general purpose I/O) |
| Контакт 93 | PF4 — GPIO PF4 (general purpose I/O) |
| Контакт 94 | PF5 — GPIO PF5 (general purpose I/O) |
| Контакт 95 | PF6 — GPIO PF6 / XIN32 |
| Контакт 96 | PF7 — GPIO PF7 / XOUT32 |
| Контакт 97 | PF8 — GPIO PF8 (general purpose I/O) |
| Контакт 98 | PF9 — GPIO PF9 (general purpose I/O) |
| Контакт 99 | PF10 — GPIO PF10 (general purpose I/O) |
| Контакт 100 | PF11 — GPIO PF11 (general purpose I/O) |
| Контакт 101 | PG0 — GPIO PG0 (general purpose I/O) |
| Контакт 102 | PG1 — GPIO PG1 (general purpose I/O) |
| Контакт 103 | PG2 — GPIO PG2 (general purpose I/O) |
| Контакт 104 | PG3 — GPIO PG3 (general purpose I/O) |
| Контакт 105 | PG4 — GPIO PG4 (general purpose I/O) |
| Контакт 106 | PG5 — GPIO PG5 (general purpose I/O) |
| Контакт 107 | PG6 — GPIO PG6 (general purpose I/O) |
| Контакт 108 | PG7 — GPIO PG7 (general purpose I/O) |
| Контакт 109 | VDDIO — I/O voltage supply |
| Контакт 110 | GND — Ground |
| Контакт 111 | NRST — Reset input (active low) |
| Контакт 112 | VSW — Internal DCDC switching node |
| Контакт 113 | VDDC — Internal core voltage |
| Контакт 114 | GND — Ground |
| Контакт 115 | VDDANA — Analog voltage supply |
| Контакт 116 | GNDANA — Analog ground |
| Контакт 117 | AREFA — Analog reference A |
| Контакт 118 | VREF — Voltage reference |
| Контакт 119 | PA16 — GPIO PA16 (general purpose I/O) |
| Контакт 120 | PA17 — GPIO PA17 (general purpose I/O) |
| Контакт 121 | PA18 — GPIO PA18 (general purpose I/O) |
| Контакт 122 | PA19 — GPIO PA19 (general purpose I/O) |
| Контакт 123 | PA20 — GPIO PA20 (general purpose I/O) |
| Контакт 124 | PA21 — GPIO PA21 (general purpose I/O) |
| Контакт 125 | PA22 — GPIO PA22 (general purpose I/O) |
| Контакт 126 | PA23 — GPIO PA23 (general purpose I/O) |
| Контакт 127 | PA24 — GPIO PA24 (general purpose I/O) |
| Контакт 128 | PA25 — GPIO PA25 (general purpose I/O) |
Типичное применение
ATSAME54P20A-AUT подходит для 6 применениеs: Industrial Motor Control & Drives, Automotive Body & Gateway ECUs, Industrial IoT Gateways, Building Automation Controllers, Audio DSP & Consumer Audio, Smart Grid Energy & Substation IEDs.
Industrial Motor Control & Drives
The ATSAME54P20A-AUT is well-suited to industrial motor control and drives because its 120 MHz Cortex-M4F core with DSP extensions executes Field-Oriented Control (FOC), Space-Vector Modulation (SVM), and Park transforms within a single control cycle. The integrated 12-bit 1 Msps ADC samples motor phase currents with simultaneous triggering via hardware TCC PWM, while the Cortex-M4F FFT/SVM instructions accelerate sensorless control estimators. The dual-panel Flash architecture (1 MB) lets the firmware support multiple motor profiles (BLDC, PMSM, ACI) with A/B bank OTA switching in deployed equipment, and the wide 1.62V-3.6V supply range tolerates industrial 24V-staged DC bus rails when paired with a regulated LDO. Unlike software-only FOCs on Cortex-M0/M3 parts, the SAME54's FPU eliminates FP-to-fixed conversion overhead and preserves cycle budget for comms or safety routines.
Рекомендуется
Automotive Body & Gateway ECUs
The ATSAME54P20A-AUT brings automotive-grade temperature screening plus dual CAN-FD and 10/100 Ethernet MAC, making it a strong fit for body controllers and central gateway ECUs that bridge CAN/LIN buses with automotive Ethernet networks. The Cortex-M4F at 120 MHz can run OBD-II diagnostic stacks, UDS, and CAN-FD message routing concurrently with the hardware cryptographic accelerator handling secure onboard communication and firmware authentication. The 1 MB dual-panel Flash supports A/B partition OTA strategies mandated for SOTA-class functions, while 256 KB SRAM with ECC is sufficient for network buffers, UDS session memory, and AUTOSAR-like RTE stubs. The HS USB port can additionally serve as a debug or system test interface during ECU manufacturing.
Рекомендуется
Industrial IoT Gateways
Industry 4.0 edge gateways benefit from the ATSAME54P20A-AUT's combination of dual CAN-FD (for factory-floor nodes), 10/100 Ethernet MAC (for uplink to MES/ERP), and HS USB (for local HMI peripherals). The 1 MB Flash runs MQTT, OPC-UA pub/sub, or BACnet stacks with TLS, while the AES/SHA hardware engine handles TLS handshake and certificate validation without halting the protocol stacks. The same Cortex-M4F can supervise local I/O via the 12-bit ADC and PWM out, eliminating a companion MCU in smaller gateway designs. The dual-panel Flash enables safe OTA from the gateway to downstream CAN nodes, and SEGGER + Harmony 3 ecosystem support provides tested MQTT-SN/CoAP libraries out of the box.
Рекомендуется
Building Automation Controllers
Building automation controllers leverage the ATSAME54P20A-AUT's Ethernet MAC for BACnet/IP or Modbus TCP uplink while its SERCOM ports drive RS-485 buses for BACnet MS-TP or Modbus RTU field devices. The Cortex-M4F handles zone temperature-control loops, occupancy-driven HVAC scheduling, and lighting scenes at the same time, while the Event System synchronizes ADC sampling of temperature/humidity sensors with PWM output to damper actuators. The industrial temperature grade and wide 1.62-3.6V supply simplify wall-controller designs running directly off a 24V HVAC transformer rail. The 1 MB Flash holds full BACnet/Modbus profiles plus OTA-upgradeable firmware banks for serviceability over the 10-15 year building lifecycle.
Рекомендуется
Audio DSP & Consumer Audio
The ATSAME54P20A-AUT's Cortex-M4F with DSP extensions can implement 48 kHz multi-band EQ, dynamic range compression, and biquad filters for active speakers and automotive headrest audio. The I2S peripheral streams 24-bit audio at high sampling rates while the FPU accelerates biquad and FIR kernels, and the rich DMA controller offloads buffer fills so the CPU budget stays available for control-panel and network features. USB HS enables direct USB audio class 2.0 streaming from a PC or phone, and SD/SDIO hosts a memory card for local playlist playback. The 256 KB SRAM holds several hundred ms of audio buffer for Bluetooth/Wi-Fi coprocessor handoff and lip-sync delay lines.
Рекомендуется
Smart Grid Energy & Substation IEDs
The ATSAME54P20A-AUT serves smart-grid Intelligent Electronic Devices (IEDs) where its dual CAN-FD handles substation bus messaging, its 12-bit ADC reads CT/VT-derived analog inputs, and its Ethernet MAC publishes IEC 61850 GOOSE/SMV or DNP3 packets. The Cortex-M4F can run metering math (RMS, THD, demand) at high update rates, and the hardware AES-256 engine secures TLS-based remote firmware download and authenticated command logging demanded by IEC 62351. The wide 1.62-3.6V supply tolerates 24V substation battery rails and brown-out events; the 1 MB dual-panel Flash is divided between active metering code and a fail-safe bootloader that can revert to last-known-good image after an interrupted OTA.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для ATSAME54P20A-AUT — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | ATSAME54P20A-AU | ATSAME54P20A-AFT | ATSAME54P20A-AF | ATSAME54P19A-AUT | ATSAME54N20A-AUT | ATSAME54N19A-AUT |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | 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 | 128-TQFP (14x14) - same | 128-TQFP (14x14) - same |
| Core | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz - same | Cortex-M4F @ 120 MHz - same | Cortex-M4F @ 120 MHz - same | Cortex-M4F @ 120 MHz - same | Cortex-M4F @ 120 MHz - same | |
| Flash Memory | 1024 KB (Dual Panel) | 1024 KB (Dual Panel) - same | 512 KB (Dual Panel) - 50% less | 1024 KB - same | 512 KB - 50% less | ||
| SRAM | 256 KB (with ECC) | 256 KB - same | 256 KB - same | 256 KB - same | 256 KB - same | ||
| USB | USB 2.0 High-Speed with PHY | USB 2.0 HS - same | USB 2.0 Full-Speed (no HS PHY) | USB 2.0 Full-Speed (no HS PHY) | |||
| CAN-FD | 2 channels | 2 channels - same | 2 channels - same | 2 channels - same | |||
| Ethernet | 10/100 GMAC | 10/100 GMAC - same | 10/100 GMAC - same | 10/100 GMAC - same | |||
| Temperature Grade | Automotive (-AUT up to +85C) | Industrial (no automotive screening) | Industrial | Industrial tray-packing |
Ключевые отличия
- Dual CAN-FD plus 10/100 Ethernet MAC in one Cortex-M4F MCU (против ATSAM3X8E (Atmel SAM3X ARM Cortex-M3))
- 1 MB dual-panel Flash with hardware crypto accelerator (против ATSAMD51P20A (lower-cost Cortex-M4F sibling))
- Industrial/automotive AEC-grade equivalent temperature screening (против ATSAME54P20A-AU (industrial only))
Заметки по проектированию
The ATSAME54P20A-AUT requires three supply rails: VDDIN (main 1.62-3.6V), VDDIO (I/O driver supply), and VDDANA/VREF (analog supply for the ADC). Use a 3.3V LDO with 100 mA headroom and place 1uF/100nF decoupling pairs close to every VDD pin. Share VDDIO and VDDANA only when digital noise is low; otherwise use independent rails to maximize ADC SNR. Estimated: at 120 MHz with all peripherals enabled, the core can draw ~80 mA, so a low-noise LDO such as MCP1755 is recommended.
Route the GMAC MII/RMII traces as 50-ohm single-ended (MII) or 100-ohm differential pairs (RMII) on the top layer with a continuous ground reference below. Keep the 32.768 kHz crystal traces short and guarded by GND, and isolate the analog island around the ADC pins from digital switching return paths. The 128-TQFP allows inner-row signal escape for high-speed Ethernet pairs - follow the SAME54 Xplained Pro PCB layout as a starting reference.
Do not enable the high-speed USB PHY on the SAME54N variants (which lack the HS PHY); attempting HS enumeration will fail. Always tie the NRST pin through a 10 kohm pull-up and 100 nF cap to ground for clean reset behaviour. When using the dual-panel Flash for OTA, set FBTL (NVMCTRL) to swap banks atomically - failing to do so can leave the device with a half-written image and require a debugger to recover.
Estimated: at 120 MHz with 3.3V supply and full peripheral activity, junction-to-ambient thermal resistance for the 128-TQFP-14x14 package (no exposed pad) is approximately 50 C/W. Under normal ambient (<70C) the die stays within safe limits at full CPU load; for industrial 85C environments, derate CPU utilization or place a small bottom-side copper pour to provide additional heat spreading.
Информация о соответствии
Microchip publishes RoHS and REACH declarations on its product page. The -AUT suffix denotes Microchip's automotive-grade screening (analogous to AEC-Q100 processes), but the device itself is not AEC-Q100 formally stamped; verify formal AEC-Q100 status from Microchip's product page if mandated by the application.