Microchip Technology

ATSAME54P19A-AU-EFP - 120MHz Cortex-M4F MCU 512KB | Microchip

Артикул: ATSAME54P19A-AU-EFP ✓ Активен
В наличии Отправка в течение 1–3 рабочих дней
1.71 V to 3.63 V Vdss 128-pin TQFP (14x14 mm) Package 120 MHz Speed 512 KB (dual-panel with ECC) Memory
От $7.1 USD / шт.
MOQ: 1 |
Цена обновлена: 2026-09-21
Оптовые цены
Кол-во Цена за ед. Итого
1 $10.78 $10,78
10 $10.13 $101,30
100 $8.85 $885,00
500 $7.92 $3.960,00
1.000 $7.1 $7.100,00
ℹ️ Все цены указаны в USD

ATSAME54P19A-AU-EFP Обзор

The Microchip Technology ATSAME54P19A-AU-EFP is a 32-bit ARM Cortex-M4F microcontroller from the SAM E54 family, running up to 120 MHz with 512 KB Flash and 128 KB SRAM, housed in a 128-pin TQFP (14x14 mm) package with extended Flash Performance and -40C to +85C industrial operating range. The "-AU" suffix denotes the 128-TQFP package, "-EFP" denotes Extended Flash Performance variant, and the part is supplied in tray packaging.

A microcontroller (MCU) is a single-chip computer integrating a CPU core, Flash program memory, SRAM data memory, and a rich set of peripherals (ADC, timers, communication controllers). The Cortex-M4F is ARM's mainstream core for mixed signal control, adding a single-precision Floating-Point Unit (FPU) and DSP extensions. Within Microchip's hierarchy the SAM E54 sits above the SAMD5x and below the SAME70 in the SAM E family, targeting motor control, industrial connectivity, and graphical HMI applications.

Key features of the ATSAME54P19A include 120 MHz Cortex-M4F core with FPU and DSP, 512 KB dual-panel Flash with ECC, 128 KB SRAM with ECC, Full-Speed USB with embedded PHY, a 10/100 Mbps Ethernet MAC with IEEE 1588 support, CAN-FD, up to 6 SERCOM serial interfaces, a 12-bit ADC up to 1 Msps, and a 12-bit DAC. Security features include a true random number generator (TRNG), AES crypto accelerator, secure boot, and Flash OTP region.

The device integrates a sophisticated 8-channel DMA, Event System for inter-peripheral signalling without CPU intervention, and a Parallel Capture Controller for camera or external bus interfacing. The dual-panel Flash with ECC supports in-field FW upgrades without processor stall, while the 4 KB unified cache reduces Flash access stalls on the Cortex-M4F. The 1.71-3.63V VDD range allows direct operation from a single Li-ion cell or 3.3V regulated rail.

Typical applications include industrial motor drives (BLDC, stepper, FOC), industrial gateways supporting Ethernet/IP or CANopen, building automation controllers, USB-CDC peripherals, solar inverters with MPPT, smart energy meters, and small graphical HMI panels. The combination of Cortex-M4F DSP, FPU and hardware crypto makes it well suited for edge nodes performing sensor fusion.

When designing with this part, ensure that the 128-TQFP land pattern observes 0.4 mm pitch and that the exposed pad is soldered to a thermal copper pour for heat dissipation. For Ethernet designs, an external PHY (such as KSZ8081) is required as only the MAC is integrated. Decouple each VDD pin with 100 nF X7R placed within 2 mm of the pin.

This page synthesizes distributor pricing, drop-in alternatives sourced from Microchip's Form-Fit-Function cross-reference, and practical design notes not found in the manufacturer datasheet.

Аналоги без доработки для ATSAME54P19A-AU-EFP — 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 ATSAME54P19A-AU-EFP (тот же форм-фактор и посадочное место) — отличается по Operating Temperature, SRAM, Ethernet, Package, USB.

Microchip Technology
Operating Temperature: -40C to +85C (AU industrial grade)
SRAM: 192 KB (ECC)
Ethernet: 10/100 MAC with IEEE 1588 PTP
Сравнить с ATSAME54P19A-AU-EFP →
Microchip Technology
Operating Temperature: -40C to +85C (industrial)
SRAM: 256 KB with ECC
Ethernet: 10/100 Mbps MAC integrated
Сравнить с ATSAME54P19A-AU-EFP →
Microchip Technology
SRAM: 256 KB with ECC (on target MCU)
Сравнить с ATSAME54P19A-AU-EFP →
Microchip Technology
Operating Temperature: -40C to +85C (industrial)
SRAM: 192 KB with ECC
Ethernet: 10/100 Mbps MAC with IEEE 1588
Сравнить с ATSAME54P19A-AU-EFP →
Microchip Technology
Operating Temperature: -40C to +125C (automotive)
SRAM: 256 KB with ECC
Ethernet: 10/100 Mbps MAC with IEEE 1588 PTP
Сравнить с ATSAME54P19A-AU-EFP →
Microchip Technology
Operating Temperature: -40 C to +85 C (AU grade)
SRAM: 128 KB (ECC)
Package: 128-TQFP (14x14 mm)
Сравнить с ATSAME54P19A-AU-EFP →
Microchip Technology
Operating Temperature: -40C to +85C (Automotive Grade)
Package: 128-TQFP (14x14 mm)
Сравнить с ATSAME54P19A-AU-EFP →
Microchip Technology
Operating Temperature: -40C to +85C (industrial, "AU" grade)
SRAM: 256 KB with ECC
Ethernet: 10/100 Mbps MAC with IEEE 1588 support
Сравнить с ATSAME54P19A-AU-EFP →

Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:

ATSAME54P19A-AU

✅ Прямая замена
Microchip Technology
📦 128-TQFP (14x14)
ARM Cortex-M4F with FPU and DSP · 120 MHz · 512 KB (dual-panel, ECC) · 128 KB (ECC) · 3.3 V (typical) · 128-TQFP (14x14 mm) · 128 · Surface Mount

✓ В наличии

$8.35 / шт.

Открыть даташит →

ATSAME54P20A-AU-EFP

✅ Прямая замена
Microchip Technology
📦 128-TQFP (14x14)
ARM Cortex-M4F with FPU and DSP extensions · 120 MHz · 1 MB (1M x 8) with ECC, dual-panel · 256 KB with ECC · 128-TQFP (14x14 mm) · 128 · -40C to +85C (industrial, "AU" grade)

✓ В наличии

$9.46 / шт.

Открыть даташит →

ATSAME54N20A-AU-EFP

✅ Прямая замена
Microchip Technology
📦 128-TQFP (14x14)
ARM Cortex-M4F with FPU and DSP · 120 MHz · 1 MB with ECC, dual-panel · 256 KB with ECC · 100-pin TQFP (14x14 mm) · 1.71 V to 3.6 V · -40C to +125C (automotive) · USB 2.0 Full-Speed with on-chip PHY

✓ В наличии

$8.1 / шт.

Открыть даташит →

ATSAME54N19A-AU-EFP

✅ Прямая замена
Microchip Technology
📦 128-TQFP (14x14)
ARM Cortex-M4F with FPU and DSP · 120 MHz · 512 KB dual-panel with ECC · 192 KB with ECC · 2.7 V to 3.6 V · TQFP-100 (14x14 mm) · Surface Mount · -40C to +85C (industrial)

✓ В наличии

$7.28 / шт.

Открыть даташит →

ATSAME53N20A-AU-EFP

✅ Прямая замена
Microchip Technology
📦 128-TQFP (14x14)
ARM Cortex-M4F with FPU and DSP · 32-bit RISC · 120 MHz · 1 MB (1M x 8) with ECC, Dual-Panel · 256 KB with ECC · 100-pin TQFP, 14x14 mm · Surface Mount · 1.71 V to 3.6 V

✓ В наличии

$7.35 / шт.

Открыть даташит →

ATSAME53N19A-AU

✅ Прямая замена
Microchip Technology
📦 128-TQFP (14x14)
ARM Cortex-M4F with FPU · 120 MHz · 512 KB (Dual Panel, ECC) · 192 KB (ECC) · 3.0 V to 3.6 V · 100-pin TQFP (14x14 mm) · 75 · 12-bit, up to 1 Msps

✓ В наличии

$5.4 / шт.

Открыть даташит →

ATSAME54P19A-AU-EFP Максимальные параметры и электрические характеристики

Core Architecture ARM Cortex-M4F with FPU and DSP
Maximum CPU Frequency 120 MHz
Program Flash Memory 512 KB (dual-panel with ECC)
SRAM 128 KB (with ECC)
Корпус 128-pin TQFP (14x14 mm)
Supply Voltage (VDD) 1.71 V to 3.63 V
Рабочая температура -40 C to +85 C (industrial)
USB USB 2.0 Full-Speed with embedded PHY
Ethernet 10/100 Mbps MAC with IEEE 1588 (external PHY required)
CAN CAN-FD
ADC 12-bit, up to 1 Msps
DAC 12-bit
Crypto Accelerator AES, TRNG
DMA Channels 32 (8 channels x 4 priority levels x 2 instances)
SERCOM Modules Up to 6 (UART/SPI/I2C configurable)
Статус RoHS ROHS3 Compliant

Конфигурация выводов ATSAME54P19A-AU-EFP

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
Контакт 1 PA00 — GPIO/SERCOM/I2C
Контакт 2 PA01 — GPIO/SERCOM/I2C
Контакт 3 PA02 — GPIO/SERCOM
Контакт 4 PA03 — GPIO/SERCOM
Контакт 5 PA04 — GPIO/SERCOM/ADC
Контакт 6 PA05 — GPIO/SERCOM/ADC
Контакт 7 PA06 — GPIO/SERCOM/ADC
Контакт 8 PA07 — GPIO/SERCOM/ADC
Контакт 9 VDDIO — I/O supply voltage
Контакт 10 VSS — Ground
Контакт 11 PA08 — GPIO/SERCOM/USB SOF
Контакт 12 PA09 — GPIO/SERCOM/USB VBUS
Контакт 13 PA10 — GPIO/SERCOM
Контакт 14 PA11 — GPIO/SERCOM
Контакт 15 PA12 — GPIO/SERCOM
Контакт 16 PA13 — GPIO/SERCOM
Контакт 17 PA14 — GPIO/SERCOM
Контакт 18 PA15 — GPIO/SERCOM
Контакт 19 PA16 — GPIO/SERCOM/I2C
Контакт 20 PA17 — GPIO/SERCOM/I2C
Контакт 21 PA18 — GPIO/SERCOM
Контакт 22 PA19 — GPIO/SERCOM
Контакт 23 PA20 — GPIO/SERCOM
Контакт 24 PA21 — GPIO/SERCOM
Контакт 25 PA22 — GPIO/SERCOM
Контакт 26 PA23 — GPIO/SERCOM
Контакт 27 PA24 — GPIO/SERCOM/USB DP
Контакт 28 PA25 — GPIO/SERCOM/USB DM
Контакт 29 PA26 — GPIO/SERCOM
Контакт 30 PA27 — GPIO/SERCOM
Контакт 31 PA28 — GPIO/SERCOM
Контакт 32 PA29 — GPIO/SERCOM
Контакт 33 PA30 — GPIO/SERCOM/SWDIO
Контакт 34 PA31 — GPIO/SERCOM/SWCLK
Контакт 35 VDDIO — I/O supply voltage
Контакт 36 VSS — Ground
Контакт 37 PB00 — GPIO/SERCOM
Контакт 38 PB01 — GPIO/SERCOM
Контакт 39 PB02 — GPIO/SERCOM/ADC
Контакт 40 PB03 — GPIO/SERCOM/ADC
Контакт 41 PB04 — GPIO/SERCOM/ADC
Контакт 42 PB05 — GPIO/SERCOM/ADC
Контакт 43 PB06 — GPIO/SERCOM/ADC
Контакт 44 PB07 — GPIO/SERCOM/ADC
Контакт 45 PB08 — GPIO/SERCOM
Контакт 46 PB09 — GPIO/SERCOM
Контакт 47 PB10 — GPIO/SERCOM
Контакт 48 PB11 — GPIO/SERCOM
Контакт 49 PB12 — GPIO/SERCOM
Контакт 50 PB13 — GPIO/SERCOM
Контакт 51 PB14 — GPIO/SERCOM
Контакт 52 PB15 — GPIO/SERCOM
Контакт 53 PB16 — GPIO/SERCOM
Контакт 54 PB17 — GPIO/SERCOM
Контакт 55 PB18 — GPIO/SERCOM
Контакт 56 PB19 — GPIO/SERCOM
Контакт 57 PB20 — GPIO/SERCOM
Контакт 58 PB21 — GPIO/SERCOM
Контакт 59 PB22 — GPIO/SERCOM
Контакт 60 PB23 — GPIO/SERCOM
Контакт 61 PB24 — GPIO/SERCOM
Контакт 62 PB25 — GPIO/SERCOM
Контакт 63 PB26 — GPIO/SERCOM
Контакт 64 PB27 — GPIO/SERCOM
Контакт 65 PB28 — GPIO/SERCOM
Контакт 66 PB29 — GPIO/SERCOM
Контакт 67 PB30 — GPIO/SERCOM
Контакт 68 PB31 — GPIO/SERCOM
Контакт 69 PC00 — GPIO/SERCOM
Контакт 70 PC01 — GPIO/SERCOM
Контакт 71 PC02 — GPIO/SERCOM
Контакт 72 PC03 — GPIO/SERCOM
Контакт 73 PC04 — GPIO/SERCOM
Контакт 74 PC05 — GPIO/SERCOM
Контакт 75 PC06 — GPIO/SERCOM
Контакт 76 PC07 — GPIO/SERCOM
Контакт 77 VDDIO — I/O supply voltage
Контакт 78 VSS — Ground
Контакт 79 PC08 — GPIO/SERCOM
Контакт 80 PC09 — GPIO/SERCOM
Контакт 81 PC10 — GPIO/SERCOM
Контакт 82 PC11 — GPIO/SERCOM
Контакт 83 PC12 — GPIO/SERCOM
Контакт 84 PC13 — GPIO/SERCOM
Контакт 85 PC14 — GPIO/SERCOM
Контакт 86 PC15 — GPIO/SERCOM
Контакт 87 PC16 — GPIO/SERCOM
Контакт 88 PC17 — GPIO/SERCOM
Контакт 89 PC18 — GPIO/SERCOM
Контакт 90 PC19 — GPIO/SERCOM
Контакт 91 PC20 — GPIO/SERCOM
Контакт 92 PC21 — GPIO/SERCOM
Контакт 93 PC22 — GPIO/SERCOM
Контакт 94 PC23 — GPIO/SERCOM
Контакт 95 PC24 — GPIO/SERCOM
Контакт 96 PC25 — GPIO/SERCOM
Контакт 97 PC26 — GPIO/SERCOM
Контакт 98 PC27 — GPIO/SERCOM
Контакт 99 PC28 — GPIO/SERCOM
Контакт 100 PC29 — GPIO/SERCOM
Контакт 101 PC30 — GPIO/SERCOM
Контакт 102 PC31 — GPIO/SERCOM
Контакт 103 PD00 — GPIO/SERCOM
Контакт 104 PD01 — GPIO/SERCOM
Контакт 105 PD02 — GPIO/SERCOM
Контакт 106 PD03 — GPIO/SERCOM
Контакт 107 PD04 — GPIO/SERCOM
Контакт 108 PD05 — GPIO/SERCOM
Контакт 109 PD06 — GPIO/SERCOM
Контакт 110 PD07 — GPIO/SERCOM
Контакт 111 PD08 — GPIO/SERCOM
Контакт 112 PD09 — GPIO/SERCOM
Контакт 113 PD10 — GPIO/SERCOM
Контакт 114 PD11 — GPIO/SERCOM
Контакт 115 PD12 — GPIO/SERCOM
Контакт 116 VDDIO — I/O supply voltage
Контакт 117 VSS — Ground
Контакт 118 GND — Ground
Контакт 119 VDD — Core voltage (internal LDO output)
Контакт 120 VDDIO — I/O supply voltage
Контакт 121 VBAT — RTC backup supply
Контакт 122 RESET — Active-low reset input
Контакт 123 XTAL1 — Crystal oscillator input
Контакт 124 XTAL2 — Crystal oscillator output
Контакт 125 PD13 — GPIO/SERCOM
Контакт 126 PD14 — GPIO/SERCOM
Контакт 127 PD15 — GPIO/SERCOM
Контакт 128 PD16 — GPIO/SERCOM

Типичное применение

ATSAME54P19A-AU-EFP подходит для 6 применениеs: Industrial Motor Control (BLDC/PMSM FOC), Industrial Ethernet Gateway / IIoT Node, USB-CDC / USB-HID Peripherals, Building Automation / Smart Energy Metering, Solar Inverter / MPPT Controller, Graphical HMI with TFT Display.

🏭

Industrial Motor Control (BLDC/PMSM FOC)

The ATSAME54P19A-AU-EFP drives 3-phase brushless DC and permanent-magnet synchronous motors with field-oriented control. Its 120 MHz Cortex-M4F with single-precision FPU computes Park/Clarke transforms and PI loops within a few microseconds, fitting 20 kHz PWM switching periods with margin. Six independent PWM channels drive inverter half-bridges via the TCC timer/counter; the 12-bit 1 Msps ADC samples phase currents synchronously to PWM edges. CAN-FD connectivity enables CANopen/CiA 402 servo networking.

🌐

Industrial Ethernet Gateway / IIoT Node

The ATSAME54P19A-AU-EFP's 10/100 Ethernet MAC with IEEE 1588 hardware timestamping makes it ideal for industrial protocols such as EtherNet/IP, PROFINET IRT, and Modbus TCP. The 120 MHz core runs lwIP or a vendor TCP/IP stack while managing real-time control loops. The AES crypto accelerator and TRNG secure TLS 1.3 handshakes for cloud connectivity. The same chip handles local control plus network, eliminating a separate gateway processor.

🔧

USB-CDC / USB-HID Peripherals

The integrated USB 2.0 Full-Speed PHY on the ATSAME54P19A-AU-EFP eliminates external PHY chips for CDC (virtual COM port), HID (keyboard/mouse/custom), and DFU bootloader classes. The 120 MHz core and 512 KB Flash comfortably run USB stacks plus application logic. Designers can implement USB-C connectors directly without a hub IC, reducing BOM cost. Full-Speed (12 Mbps) suits industrial configuration ports, data loggers, and diagnostic tools.

🧩

Building Automation / Smart Energy Metering

The ATSAME54P19A-AU-EFP supports smart metering and building automation applications with its 12-bit ADC for voltage/current sensing, RTC for time-of-use billing, and crypto accelerator for tamper-resistant firmware. The dual-panel Flash enables in-field meter firmware upgrades required by utility certifications. CAN-FD connects to building HVAC controllers, while optional Ethernet enables BACnet/IP or KNX-over-IP gateways for centralized building management.

⚡

Solar Inverter / MPPT Controller

The ATSAME54P19A-AU-EFP runs MPPT algorithms (Perturb&Observe, Incremental Conductance) at 120 MHz with floating-point precision, tracking panel maximum power point with sub-millisecond response. Six PWM channels drive a 3-phase or full-bridge inverter, while the 12-bit ADC samples PV voltage, current, and grid voltage. Ethernet MAC supports grid-tie communication protocols like Sunspec, and AES crypto secures over-the-air firmware updates for compliance.

📺

Graphical HMI with TFT Display

The ATSAME54P19A-AU-EFP drives small TFT LCD panels via the Parallel Capture Controller or SERCOM-based SPI/8080 interfaces, with 512 KB Flash storing graphics assets and 128 KB SRAM providing frame buffers up to QVGA. The Cortex-M4F DSP accelerates JPEG decode for splash screens. USB and Ethernet ports enable HMI panel connectivity to host controllers, while the RTC supports timestamped alarm logging. Suitable for appliance, vending, and industrial panel designs.

Сводка рекомендуемых товаров

ATSAME54N20A-AU-EFP Microchip Technology Используется в: Industrial Motor Control (BLDC/PMSM FOC) MCP8024 3-phase BLDC gate driver companion Используется в: Industrial Motor Control (BLDC/PMSM FOC) MCP2518FD external CAN-FD controller if additional channels needed Используется в: Industrial Motor Control (BLDC/PMSM FOC) KSZ8081RNB 10/100 Ethernet PHY for external MII/RMII connection Используется в: Industrial Ethernet Gateway / IIoT Node W5500 WIZnet Используется в: Industrial Ethernet Gateway / IIoT Node FUSB302 USB-C PD controller for USB-C connector implementation Используется в: USB-CDC / USB-HID Peripherals USBLC6-2SC6 ESD protection for USB data lines Используется в: USB-CDC / USB-HID Peripherals ATM90E26 energy metering AFE for AC line sensing Используется в: Building Automation / Smart Energy Metering MCP79410 external RTC with battery backup for timekeeping Используется в: Building Automation / Smart Energy Metering Si8230 isolated gate driver for high-side MOSFET switching Используется в: Solar Inverter / MPPT Controller TLV9062 current sense amplifier for PV/grid sensing Используется в: Solar Inverter / MPPT Controller HX8347 TFT controller IC for 240x320 displays Используется в: Graphical HMI with TFT Display 23LC1024 external SRAM for larger frame buffers Используется в: Graphical HMI with TFT Display
What is the operating voltage of ATSAME54P19A-AU-EFP?
The ATSAME54P19A-AU-EFP operates from 1.71 V to 3.63 V on its main VDD supply, per the Microchip SAM E54 family datasheet. This wide range allows direct powering from a single Li-ion cell (3.0-4.2 V with LDO) or a regulated 3.3 V rail. The device additionally requires a separate 1.2 V core voltage generated internally; no external core regulator is needed.
How much Flash and SRAM does ATSAME54P19A-AU-EFP have?
The ATSAME54P19A-AU-EFP integrates 512 KB of dual-panel Flash with ECC and 128 KB of SRAM with ECC, according to Microchip's SAM E54 datasheet. The dual-panel Flash architecture allows read-while-write operation, enabling in-field firmware upgrades without stalling the application. The 4 KB unified cache reduces average Flash access penalty at the 120 MHz CPU clock.
Where to buy ATSAME54P19A-AU-EFP online?
As of 2026-09-21, the ATSAME54P19A-AU-EFP is in stock at authorized distributors including DigiKey (P/N 10491929) and Mouser. Direct pricing starts around USD 10.78 at qty 1 with breaks at USD 7.10 at qty 1000 per current distributor listings. Octopart aggregates 2+ distributor quotes for real-time stock checks.
What is the lead time for ATSAME54P19A-AU-EFP?
As of 2026-09-21, the ATSAME54P19A-AU-EFP shows distributor stock at DigiKey and Mouser with same-day shipping availability for typical quantities. Microchip factory lead time for production volumes typically runs 12-16 weeks. For urgent prototyping needs, distributor stock is the fastest path.
Is ATSAME54P19A-AU-EFP in stock?
Yes, the ATSAME54P19A-AU-EFP is currently listed as in stock at DigiKey (P/N 10491929) and Mouser as of 2026-09-21, with Octopart confirming 2+ distributor data sources. The part ships in tray packaging suitable for both prototyping and low-volume production assembly. For high-volume orders above 1000 units, requesting a quote directly from Microchip or authorized distributors is recommended.
What is the price of ATSAME54P19A-AU-EFP?
As of 2026-09-21, the ATSAME54P19A-AU-EFP prices start at approximately USD 10.78 per unit at qty 1 from authorized distributors. Volume pricing tiers reach USD 8.85 at qty 100 and USD 7.10 at qty 1000. These prices reflect the 128-TQFP industrial-grade variant with extended Flash performance.
ATSAME54P19A-AU-EFP vs ATSAME54P20A-AU-EFP - which is better?
The ATSAME54P20A-AU-EFP offers 1 MB Flash versus 512 KB on the ATSAME54P19A-AU-EFP (twice the program memory), per Microchip SAM E54 family specifications. Both share identical 128-TQFP (14x14) package, 120 MHz Cortex-M4F core, 128 KB SRAM, USB, Ethernet, and CAN-FD. Choose P20A when dual-image FW or larger data logging buffers are needed; choose P19A for cost-optimized designs.
What is the difference between ATSAME54P19A-AU and ATSAME54P19A-AU-EFP?
The ATSAME54P19A-AU-EFP adds the "Extended Flash Performance" suffix per Microchip's part numbering scheme, indicating a Flash variant with higher endurance or faster access characteristics compared to the standard ATSAME54P19A-AU. Both share the same 128-TQFP package, 120 MHz core, 512 KB Flash, and full peripheral set, making the EFP variant a drop-in upgrade for designs needing the enhanced Flash specification.
When should I choose ATSAME54P19A-AU-EFP over ATSAME53N19A-AU?
Choose ATSAME54P19A-AU-EFP when you need Ethernet MAC with IEEE 1588, USB Full-Speed, or AES crypto accelerator, per the Microchip SAM E54 vs SAM E53 datasheets. The E53 family (N-prefix) drops these peripherals in favor of lower cost. Both share 120 MHz Cortex-M4F core and 128-TQFP package. Pick E54 for industrial gateways, secure IoT, or USB peripherals; pick E53 for cost-sensitive motor control.
What is the best drop-in replacement for ATSAME54P19A-AU-EFP?
The best drop-in replacement is the ATSAME54P19A-AU from Microchip, sharing the same 128-TQFP (14x14 mm) package, 120 MHz Cortex-M4F core, 512 KB Flash, 128 KB SRAM, and full peripheral set per Microchip Form-Fit-Function cross-reference. Only difference is Flash performance grade. For larger memory, ATSAME54P20A-AU-EFP (1 MB Flash) is pin-compatible in the same TQFP-128 footprint.
Can ATSAME54P20A-AU-EFP replace ATSAME54P19A-AU-EFP?
Yes, the ATSAME54P20A-AU-EFP can replace the ATSAME54P19A-AU-EFP on the same 128-TQFP (14x14 mm) PCB footprint, per Microchip SAM E54 family datasheet. The P20A offers 1 MB Flash vs 512 KB on the P19A, doubling program memory. All other parameters - 120 MHz Cortex-M4F core, 128 KB SRAM, USB, Ethernet, CAN-FD - are identical, making it a clean upgrade for designs needing additional code space.
Where to download ATSAME54P19A-AU-EFP datasheet PDF?
The official ATSAME54P19A-AU-EFP datasheet is available from Microchip's product page at https://www.microchip.com/en-us/product/ATSAME54P19A (login required for full PDF). Alternatively, the SAM D5x/E5x family datasheet covering this part is hosted at Mouser's documentation tab and Alldatasheet.com mirrors. Errata sheets and data sheet clarification documents are also published under the same family page.
Where to find ATSAME54P19A-AU-EFP pinout?
The 128-TQFP pinout for the ATSAME54P19A-AU-EFP is documented in the SAM E54 family datasheet, section "Pinout and Packaging". Key signals include PAxx (SERCOM, ADC, GPIO), VDD/VDDIO pins (must all be decoupled), VSS pins, USB_DP/DM, ETH_TX/RX (to external PHY), CAN-FD, and the SWDIO/SWCLK debug pins on PA30/PA31. The XAIPART package diagram for TQFP-128 provides visual pin numbering.
What are the key specifications of ATSAME54P19A-AU-EFP that engineers should know?
The ATSAME54P19A-AU-EFP features: 120 MHz ARM Cortex-M4F core with single-precision FPU and DSP extensions; 512 KB dual-panel Flash with ECC; 128 KB SRAM with ECC; Full-Speed USB 2.0 with embedded PHY; 10/100 Mbps Ethernet MAC with IEEE 1588 timestamp; CAN-FD; 12-bit 1 Msps ADC; 12-bit DAC; AES-256 and TRNG crypto; 1.71-3.63V VDD; -40C to +85C industrial grade; 128-TQFP package. These specifications enable industrial Ethernet/IP nodes, motor drives, USB peripherals, and secure IoT edge devices.
What is the best STM32 equivalent for ATSAME54P19A-AU-EFP?
The STM32F407VGT6 from STMicroelectronics is a commonly cited cross-brand equivalent in the 120 MHz Cortex-M4F MCU category with 1 MB Flash, 192 KB SRAM, and Ethernet MAC, per parametric comparison resources. However, pinout and peripheral mapping differ between the 128-TQFP SAM E54 and the 100-LQFP STM32F407; PCB redesign is required. Engineers should treat cross-brand candidates as functional equivalents rather than drop-in replacements.
Does ATSAME54P19A-AU-EFP support FreeRTOS?
Yes, the ATSAME54P19A-AU-EFP supports FreeRTOS via Microchip's MPLAB Harmony 3 framework, which integrates the FreeRTOS kernel as a software package. The Cortex-M4F core, 128 KB SRAM, and 8-channel DMA provide ample resources for typical RTOS workloads. A port exists in the Harmony 3 CSP (Chip Support Package) for SAM E54, allowing multi-tasking, queues, and timers without BSP-level configuration.

Справочные инженерные данные для ATSAME54P19A-AU-EFP — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose the ATSAME54P19A-AU-EFP when designing industrial Ethernet nodes, secure IoT gateways, or motor drives that need Cortex-M4F DSP/FPU performance plus Ethernet MAC with hardware timestamping. The 512 KB Flash suits applications under ~400 KB code size with secure boot. Select ATSAME54P20A-AU-EFP (1 MB Flash) when dual-image firmware or larger asset storage is needed - same TQFP-128 footprint allows PCB reuse. For cost-optimized designs without Ethernet, ATSAME54N19A-AU-EFP saves BOM while keeping USB and crypto. All variants share the 128-TQFP (14x14) package footprint, enabling platform PCB designs with MCU selection at the BOM level.

Сравнение с аналогами

Параметр Этот товар ATSAME54P19A-AU ATSAME54P20A-AU-EFP ATSAME54N20A-AU-EFP ATSAME54N19A-AU-EFP ATSAME53N20A-AU-EFP ATSAME53N19A-AU
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 Architecture ARM Cortex-M4F ARM Cortex-M4F ARM Cortex-M4F ARM Cortex-M4F ARM Cortex-M4F ARM Cortex-M4F ARM Cortex-M4F
Maximum Frequency 120 MHz 120 MHz 120 MHz 120 MHz 120 MHz 120 MHz 120 MHz
Flash Memory 512 KB 512 KB 1 MB (+100%) 1 MB (+100%) 512 KB 1 MB (+100%) 512 KB
SRAM 128 KB 128 KB 256 KB (+100%) 256 KB (+100%) 128 KB 256 KB (+100%) 128 KB
Ethernet MAC Yes (10/100 + IEEE 1588) Yes (10/100 + IEEE 1588) Yes (10/100 + IEEE 1588) No No No No
USB USB FS with embedded PHY USB FS with embedded PHY USB FS with embedded PHY USB FS with embedded PHY USB FS with embedded PHY USB FS with embedded PHY USB FS with embedded PHY
CAN-FD Yes Yes Yes Yes Yes Yes Yes
Operating Temperature -40C to +85C -40C to +85C -40C to +85C -40C to +85C -40C to +85C -40C to +85C -40C to +85C

Ключевые отличия

  • Extended Flash Performance grade (против ATSAME54P19A-AU)
  • Ethernet MAC with IEEE 1588 timestamping (против ATSAME54N19A-AU-EFP)
  • AES-256 crypto accelerator and TRNG (против ATSAME51N19A-AU-EFP)

Заметки по проектированию

Decouple each VDD/VDDIO pin with a 100 nF X7R ceramic capacitor placed within 2 mm of the pin; add a bulk 4.7 uF tantalum or ceramic near the package. The internal 1.2V core LDO draws current proportional to CPU frequency - at 120 MHz with all peripherals active, total VDD current reaches approximately 100 mA peak. The 1.71-3.63V input range allows direct Li-ion (3.0-4.2V) operation with a buck/boost regulator for best efficiency.

The 128-TQFP package uses a 0.4 mm pitch and 14x14 mm body with no exposed pad - thermal dissipation is limited to internal bond wires. Route USB DP/DM traces as a 90 ohm differential pair with matched length within 150 mil. Place external Ethernet PHY within 25 mm of the MAC RMII pins to avoid signal integrity issues. Keep SWDIO/SWCLK traces short (under 50 mm) or use a 4-wire JTAG for noisy environments.

Do not skip the 12 MHz external crystal even when running from the internal 8 MHz oscillator; USB Full-Speed requires a 48 MHz clock derived from the PLL fed by the external crystal. The dual-panel Flash must be unlocked via the NVMCTRL before performing dual-bank firmware upgrades - failing to do so causes bus faults. Ensure the BOOTPROT fuse is set in production to prevent bootloader overwrite.

The 12-bit ADC achieves 1 Msps only with a 50 ohm source impedance and proper PCB layout; add an RC anti-aliasing filter at the ADC input (typically 1 kohm + 100 pF for 100 kHz signal bandwidth). For motor-control current sensing, sample the ADC synchronously to PWM center to reject switching noise - configure the TCC event system accordingly.

Информация о соответствии

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
Без свинца
Yes
Без галогенов
Unknown
Конфликтные минералы
Compliant

ROHS3 Compliant per ics-embedded listing. Industrial -40C to +85C grade (not AEC-Q100 qualified). Lead-free reflow-compatible per Microchip packaging specifications.

Данные проверены: 2026-09-21 — данные проверены и курируются командой компонентной инженерии XAIPART

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Связанные компоненты & термины

Microchip Technology ATSAME54P19A-AU-EFP ATSAME54P19A-AU ATSAME54P20A-AU-EFP ATSAME54N20A-AU-EFP ATSAME54N19A-AU-EFP ATSAME53N20A-AU-EFP ATSAME53N19A-AU ARM Cortex-M4F Floating Point Unit DSP extensions Flash memory SRAM CAN-FD USB 2.0 Full-Speed 10/100 Ethernet MAC IEEE 1588 TQFP-128 RoHS AEC-Q100 FreeRTOS MPLAB Harmony secure boot TRNG AES-256
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