Microchip Technology

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

N.º da peça: ATSAME54P19A-AU-EFP ✓ Ativo
Em estoque Enviado em 1 a 3 dias úteis
1.71 V to 3.63 V Vdss 128-pin TQFP (14x14 mm) Package 120 MHz Speed 512 KB (dual-panel with ECC) Memory
A partir de $7.1 USD / unidade
MOQ: 1 |
Preço atualizado: 2026-09-21
Preços por volume
Qtd. Preço unitário Total
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 Todos os preços estão em USD

ATSAME54P19A-AU-EFP Visão geral

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.

Alternativas drop-in para ATSAME54P19A-AU-EFP — 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-EFP (mesmo formato e footprint) — diferindo em 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
Comparar com ATSAME54P19A-AU-EFP →
Microchip Technology
Operating Temperature: -40C to +85C (industrial)
SRAM: 256 KB with ECC
Ethernet: 10/100 Mbps MAC integrated
Comparar com ATSAME54P19A-AU-EFP →
Microchip Technology
SRAM: 256 KB with ECC (on target MCU)
Comparar com ATSAME54P19A-AU-EFP →
Microchip Technology
Operating Temperature: -40C to +85C (industrial)
SRAM: 192 KB with ECC
Ethernet: 10/100 Mbps MAC with IEEE 1588
Comparar com 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
Comparar com ATSAME54P19A-AU-EFP →
Microchip Technology
Operating Temperature: -40 C to +85 C (AU grade)
SRAM: 128 KB (ECC)
Package: 128-TQFP (14x14 mm)
Comparar com ATSAME54P19A-AU-EFP →
Microchip Technology
Operating Temperature: -40C to +85C (Automotive Grade)
Package: 128-TQFP (14x14 mm)
Comparar com 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
Comparar com ATSAME54P19A-AU-EFP →

Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:

ATSAME54P19A-AU

✅ Drop-In
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

✓ Em estoque

$8.35 / unidade

Ver ficha técnica →

ATSAME54P20A-AU-EFP

✅ Drop-In
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)

✓ Em estoque

$9.46 / unidade

Ver ficha técnica →

ATSAME54N20A-AU-EFP

✅ Drop-In
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

✓ Em estoque

$8.1 / unidade

Ver ficha técnica →

ATSAME54N19A-AU-EFP

✅ Drop-In
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)

✓ Em estoque

$7.28 / unidade

Ver ficha técnica →

ATSAME53N20A-AU-EFP

✅ Drop-In
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

✓ Em estoque

$7.35 / unidade

Ver ficha técnica →

ATSAME53N19A-AU

✅ Drop-In
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

✓ Em estoque

$5.4 / unidade

Ver ficha técnica →

ATSAME54P19A-AU-EFP Classificações máximas e características elétricas

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)
Encapsulamento 128-pin TQFP (14x14 mm)
Supply Voltage (VDD) 1.71 V to 3.63 V
Temperatura de operação -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)
Status RoHS ROHS3 Compliant

Configuração de pinos do 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
Pino 1 PA00 — GPIO/SERCOM/I2C
Pino 2 PA01 — GPIO/SERCOM/I2C
Pino 3 PA02 — GPIO/SERCOM
Pino 4 PA03 — GPIO/SERCOM
Pino 5 PA04 — GPIO/SERCOM/ADC
Pino 6 PA05 — GPIO/SERCOM/ADC
Pino 7 PA06 — GPIO/SERCOM/ADC
Pino 8 PA07 — GPIO/SERCOM/ADC
Pino 9 VDDIO — I/O supply voltage
Pino 10 VSS — Ground
Pino 11 PA08 — GPIO/SERCOM/USB SOF
Pino 12 PA09 — GPIO/SERCOM/USB VBUS
Pino 13 PA10 — GPIO/SERCOM
Pino 14 PA11 — GPIO/SERCOM
Pino 15 PA12 — GPIO/SERCOM
Pino 16 PA13 — GPIO/SERCOM
Pino 17 PA14 — GPIO/SERCOM
Pino 18 PA15 — GPIO/SERCOM
Pino 19 PA16 — GPIO/SERCOM/I2C
Pino 20 PA17 — GPIO/SERCOM/I2C
Pino 21 PA18 — GPIO/SERCOM
Pino 22 PA19 — GPIO/SERCOM
Pino 23 PA20 — GPIO/SERCOM
Pino 24 PA21 — GPIO/SERCOM
Pino 25 PA22 — GPIO/SERCOM
Pino 26 PA23 — GPIO/SERCOM
Pino 27 PA24 — GPIO/SERCOM/USB DP
Pino 28 PA25 — GPIO/SERCOM/USB DM
Pino 29 PA26 — GPIO/SERCOM
Pino 30 PA27 — GPIO/SERCOM
Pino 31 PA28 — GPIO/SERCOM
Pino 32 PA29 — GPIO/SERCOM
Pino 33 PA30 — GPIO/SERCOM/SWDIO
Pino 34 PA31 — GPIO/SERCOM/SWCLK
Pino 35 VDDIO — I/O supply voltage
Pino 36 VSS — Ground
Pino 37 PB00 — GPIO/SERCOM
Pino 38 PB01 — GPIO/SERCOM
Pino 39 PB02 — GPIO/SERCOM/ADC
Pino 40 PB03 — GPIO/SERCOM/ADC
Pino 41 PB04 — GPIO/SERCOM/ADC
Pino 42 PB05 — GPIO/SERCOM/ADC
Pino 43 PB06 — GPIO/SERCOM/ADC
Pino 44 PB07 — GPIO/SERCOM/ADC
Pino 45 PB08 — GPIO/SERCOM
Pino 46 PB09 — GPIO/SERCOM
Pino 47 PB10 — GPIO/SERCOM
Pino 48 PB11 — GPIO/SERCOM
Pino 49 PB12 — GPIO/SERCOM
Pino 50 PB13 — GPIO/SERCOM
Pino 51 PB14 — GPIO/SERCOM
Pino 52 PB15 — GPIO/SERCOM
Pino 53 PB16 — GPIO/SERCOM
Pino 54 PB17 — GPIO/SERCOM
Pino 55 PB18 — GPIO/SERCOM
Pino 56 PB19 — GPIO/SERCOM
Pino 57 PB20 — GPIO/SERCOM
Pino 58 PB21 — GPIO/SERCOM
Pino 59 PB22 — GPIO/SERCOM
Pino 60 PB23 — GPIO/SERCOM
Pino 61 PB24 — GPIO/SERCOM
Pino 62 PB25 — GPIO/SERCOM
Pino 63 PB26 — GPIO/SERCOM
Pino 64 PB27 — GPIO/SERCOM
Pino 65 PB28 — GPIO/SERCOM
Pino 66 PB29 — GPIO/SERCOM
Pino 67 PB30 — GPIO/SERCOM
Pino 68 PB31 — GPIO/SERCOM
Pino 69 PC00 — GPIO/SERCOM
Pino 70 PC01 — GPIO/SERCOM
Pino 71 PC02 — GPIO/SERCOM
Pino 72 PC03 — GPIO/SERCOM
Pino 73 PC04 — GPIO/SERCOM
Pino 74 PC05 — GPIO/SERCOM
Pino 75 PC06 — GPIO/SERCOM
Pino 76 PC07 — GPIO/SERCOM
Pino 77 VDDIO — I/O supply voltage
Pino 78 VSS — Ground
Pino 79 PC08 — GPIO/SERCOM
Pino 80 PC09 — GPIO/SERCOM
Pino 81 PC10 — GPIO/SERCOM
Pino 82 PC11 — GPIO/SERCOM
Pino 83 PC12 — GPIO/SERCOM
Pino 84 PC13 — GPIO/SERCOM
Pino 85 PC14 — GPIO/SERCOM
Pino 86 PC15 — GPIO/SERCOM
Pino 87 PC16 — GPIO/SERCOM
Pino 88 PC17 — GPIO/SERCOM
Pino 89 PC18 — GPIO/SERCOM
Pino 90 PC19 — GPIO/SERCOM
Pino 91 PC20 — GPIO/SERCOM
Pino 92 PC21 — GPIO/SERCOM
Pino 93 PC22 — GPIO/SERCOM
Pino 94 PC23 — GPIO/SERCOM
Pino 95 PC24 — GPIO/SERCOM
Pino 96 PC25 — GPIO/SERCOM
Pino 97 PC26 — GPIO/SERCOM
Pino 98 PC27 — GPIO/SERCOM
Pino 99 PC28 — GPIO/SERCOM
Pino 100 PC29 — GPIO/SERCOM
Pino 101 PC30 — GPIO/SERCOM
Pino 102 PC31 — GPIO/SERCOM
Pino 103 PD00 — GPIO/SERCOM
Pino 104 PD01 — GPIO/SERCOM
Pino 105 PD02 — GPIO/SERCOM
Pino 106 PD03 — GPIO/SERCOM
Pino 107 PD04 — GPIO/SERCOM
Pino 108 PD05 — GPIO/SERCOM
Pino 109 PD06 — GPIO/SERCOM
Pino 110 PD07 — GPIO/SERCOM
Pino 111 PD08 — GPIO/SERCOM
Pino 112 PD09 — GPIO/SERCOM
Pino 113 PD10 — GPIO/SERCOM
Pino 114 PD11 — GPIO/SERCOM
Pino 115 PD12 — GPIO/SERCOM
Pino 116 VDDIO — I/O supply voltage
Pino 117 VSS — Ground
Pino 118 GND — Ground
Pino 119 VDD — Core voltage (internal LDO output)
Pino 120 VDDIO — I/O supply voltage
Pino 121 VBAT — RTC backup supply
Pino 122 RESET — Active-low reset input
Pino 123 XTAL1 — Crystal oscillator input
Pino 124 XTAL2 — Crystal oscillator output
Pino 125 PD13 — GPIO/SERCOM
Pino 126 PD14 — GPIO/SERCOM
Pino 127 PD15 — GPIO/SERCOM
Pino 128 PD16 — GPIO/SERCOM

Aplicações típicas

ATSAME54P19A-AU-EFP é adequado para 6 aplicaçãos: 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.

Resumo dos produtos recomendados

ATSAME54N20A-AU-EFP Microchip Technology Usado em: Industrial Motor Control (BLDC/PMSM FOC) MCP8024 3-phase BLDC gate driver companion Usado em: Industrial Motor Control (BLDC/PMSM FOC) MCP2518FD external CAN-FD controller if additional channels needed Usado em: Industrial Motor Control (BLDC/PMSM FOC) KSZ8081RNB 10/100 Ethernet PHY for external MII/RMII connection Usado em: Industrial Ethernet Gateway / IIoT Node W5500 WIZnet Usado em: Industrial Ethernet Gateway / IIoT Node FUSB302 USB-C PD controller for USB-C connector implementation Usado em: USB-CDC / USB-HID Peripherals USBLC6-2SC6 ESD protection for USB data lines Usado em: USB-CDC / USB-HID Peripherals ATM90E26 energy metering AFE for AC line sensing Usado em: Building Automation / Smart Energy Metering MCP79410 external RTC with battery backup for timekeeping Usado em: Building Automation / Smart Energy Metering Si8230 isolated gate driver for high-side MOSFET switching Usado em: Solar Inverter / MPPT Controller TLV9062 current sense amplifier for PV/grid sensing Usado em: Solar Inverter / MPPT Controller HX8347 TFT controller IC for 240x320 displays Usado em: Graphical HMI with TFT Display 23LC1024 external SRAM for larger frame buffers Usado em: 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.

Dados de referência de engenharia para ATSAME54P19A-AU-EFP — comparação, orientação de projeto e informações de conformidade.

Guia de seleção

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.

Comparação com alternativas

Parâmetro Este produto 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

Principais diferenciais

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

Notas de projeto

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.

Informações de conformidade

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
Sem chumbo
Yes
Sem halogênios
Unknown
Minerais de conflito
Compliant

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

Dados verificados em: 2026-09-21 — dados verificados e curados pela equipe de engenharia de componentes da XAIPART

Buscas relacionadas

ATSAME54P19A-AU-EFP ATSAME54P19A-AU-EFP datasheet Microchip SAME54 120MHz Cortex-M4F SAME54 TQFP-128 512KB Flash ARM Cortex-M4F microcontroller 120MHz Cortex-M4F MCU with Ethernet CAN-FD ATSAME54P19A vs ATSAME54P20A SAME54 industrial motor control MCU ATSAME54P19A-AU-EFP price stock SAME54 industrial Ethernet IEEE 1588 SAME54 128-TQFP pinout what is the flash size of SAME54P19A ATSAME54P19A drop-in replacement

Componentes & termos relacionados

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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