Microchip Technology

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

부품 번호: ATSAME54P19A-AU ✓ 활성
재고 있음 영업일 기준 1~3일 내 발송
3.3 V (typical) Vdss 128-TQFP (14x14 mm) Package 120 MHz Speed 512 KB (dual-panel, ECC) Memory
시작가 $8.35 USD / 개
MOQ: 1 |
가격 업데이트: 2026-09-21
볼륨 가격
수량 단가 합계
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
ℹ️ 모든 가격은 USD 기준입니다

ATSAME54P19A-AU 개요

The Microchip Technology ATSAME54P19A-AU is a 32-bit ARM Cortex-M4F microcontroller from the SAM E54 family, operating at up to 120 MHz with 512 KB of Flash and 128 KB of SRAM in a 128-pin TQFP (14x14) package.

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.

드롭인 대체품: ATSAME54P19A-AU — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.

이 시리즈의 변형

다음과 드롭인 호환되는 동일 시리즈 모델: ATSAME54P19A-AU (동일 폼 팩터 및 풋프린트) — 차이점: ADC, Operating Temperature, SRAM, Package, Core Architecture.

Microchip Technology
ADC: 12-bit, up to 1 Msps, 16 channels
Operating Temperature: -40C to +85C (industrial)
SRAM: 192 KB with ECC
비교 대상: ATSAME54P19A-AU →
Microchip Technology
ADC: 12-bit, up to 1 Msps
Operating Temperature: -40 C to +85 C (industrial)
SRAM: 128 KB (with ECC)
비교 대상: ATSAME54P19A-AU →
Microchip Technology
ADC: 12-bit, up to 1 Msps, up to 32 channels
Operating Temperature: -40 C to +125 C (Extended)
Package: 128-pin TQFP (14x14 mm)
비교 대상: ATSAME54P19A-AU →
Microchip Technology
ADC: 12-bit, up to 1 Msps
Operating Temperature: -40C to +125C (extended)
SRAM: 256 KB (with ECC)
비교 대상: ATSAME54P19A-AU →
Microchip Technology
ADC: 12-bit, 16-channel (per datasheet)
SRAM: 176 KB
Package: 64-pin LQFP (10x10 mm)
비교 대상: ATSAME54P19A-AU →

빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:

ATSAME54P20A-AU

✅ 드롭인
📦 128-TQFP (14x14)
Flash 512 KB vs 1 MB (+512 KB), same peripherals, same Cortex-M4F, same 128-TQFP footprint

📋 참조 대체품 (카탈로그에 없음)

ATSAME54P19A-AU-EFP

✅ 드롭인
Microchip Technology
📦 128-TQFP (14x14)
ARM Cortex-M4F with FPU and DSP · 120 MHz · 512 KB (dual-panel with ECC) · 128 KB (with ECC) · 128-pin TQFP (14x14 mm) · 1.71 V to 3.63 V · -40 C to +85 C (industrial) · USB 2.0 Full-Speed with embedded PHY

✓ 재고 있음

$7.1 / 개

데이터시트 보기 →

ATSAME54P19A-AUT

✅ 드롭인 ⚠️ 사양 미검증
📦 128-TQFP (14x14)
same die, tape & reel packaging variant (-AUT), same electrical specs

📋 참조 대체품 (카탈로그에 없음)

ATSAME54P19A-AF

✅ 드롭인
📦 128-TQFP (14x14)
AF temperature grade, same Flash/RAM/peripherals, same footprint, same die

📋 참조 대체품 (카탈로그에 없음)

ATSAME54P19A-AFT

✅ 드롭인
📦 128-TQFP (14x14)
AF grade + tape & reel (-AFT), same die, pin-to-pin compatible

📋 참조 대체품 (카탈로그에 없음)

ATSAMD51P19A-AU

✅ 드롭인
📦 128-TQFP (14x14)
SAM D51 family, no CAN-FD controllers, otherwise same peripherals and footprint

📋 참조 대체품 (카탈로그에 없음)

ATSAME54P19A-AU 최대 정격 & 전기적 특성

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)
패키지 128-TQFP (14x14 mm)
핀 수 128
실장 유형 Surface Mount
동작 온도 -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
RoHS 상태 Compliant
MSL 레벨 3 (168 hours)
Lead-Free Yes

ATSAME54P19A-AU 핀 구성

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
핀 1 VDDIO — I/O supply voltage
핀 2 PA00 — GPIO / XIN32
핀 3 PA01 — GPIO / XOUT32
핀 4 PA02 — GPIO / AIN0
핀 5 PA03 — GPIO / AIN1
핀 6 GND — Ground
핀 7 PA04 — GPIO / AIN2
핀 8 PA05 — GPIO / AIN3
핀 9 PA06 — GPIO / AIN4
핀 10 PA07 — GPIO / AIN5
핀 11 VDDIO — I/O supply voltage
핀 12 PA08 — GPIO / AIN6 / VREFA
핀 13 PA09 — GPIO / AIN7 / VREFB
핀 14 PA10 — GPIO / AIN8
핀 15 PA11 — GPIO / AIN9
핀 16 GND — Ground
핀 17 PA12 — GPIO / SDADC
핀 18 PA13 — GPIO / SDADC
핀 19 PA14 — GPIO / XIN
핀 20 PA15 — GPIO / XOUT
핀 21 PA16 — GPIO / SERCOM1
핀 22 PA17 — GPIO / SERCOM1
핀 23 PA18 — GPIO / SERCOM1
핀 24 PA19 — GPIO / SERCOM1
핀 25 PA20 — GPIO / SERCOM3
핀 26 PA21 — GPIO / SERCOM3
핀 27 PA22 — GPIO / SERCOM3
핀 28 PA23 — GPIO / SERCOM3
핀 29 PA24 — GPIO / USB_DM
핀 30 PA25 — GPIO / USB_DP
핀 31 GND — Ground
핀 32 PA26 — GPIO
핀 33 PA27 — GPIO
핀 34 PA28 — GPIO
핀 35 PA29 — GPIO
핀 36 PA30 — GPIO
핀 37 PA31 — GPIO
핀 38 PB00 — GPIO
핀 39 PB01 — GPIO
핀 40 PB02 — GPIO
핀 41 PB03 — GPIO
핀 42 GND — Ground
핀 43 PB04 — GPIO
핀 44 PB05 — GPIO
핀 45 PB06 — GPIO
핀 46 PB07 — GPIO
핀 47 PB08 — GPIO
핀 48 PB09 — GPIO
핀 49 PB10 — GPIO
핀 50 PB11 — GPIO
핀 51 PB12 — GPIO
핀 52 PB13 — GPIO
핀 53 PB14 — GPIO
핀 54 PB15 — GPIO
핀 55 PB16 — GPIO
핀 56 PB17 — GPIO
핀 57 PB18 — GPIO
핀 58 PB19 — GPIO
핀 59 PB20 — GPIO
핀 60 PB21 — GPIO
핀 61 PB22 — GPIO
핀 62 PB23 — GPIO
핀 63 PB24 — GPIO
핀 64 PB25 — GPIO
핀 65 PC00 — GPIO
핀 66 PC01 — GPIO
핀 67 PC02 — GPIO
핀 68 PC03 — GPIO
핀 69 PC04 — GPIO
핀 70 PC05 — GPIO
핀 71 PC06 — GPIO
핀 72 PC07 — GPIO
핀 73 VDDIO — I/O supply voltage
핀 74 PC08 — GPIO
핀 75 PC09 — GPIO
핀 76 PC10 — GPIO
핀 77 PC11 — GPIO
핀 78 PC12 — GPIO
핀 79 PC13 — GPIO
핀 80 PC14 — GPIO
핀 81 PC15 — GPIO
핀 82 PC16 — GPIO
핀 83 PC17 — GPIO
핀 84 PC18 — GPIO
핀 85 PC19 — GPIO
핀 86 PC20 — GPIO
핀 87 PC21 — GPIO
핀 88 PC22 — GPIO
핀 89 PC23 — GPIO
핀 90 PC24 — GPIO
핀 91 PC25 — GPIO
핀 92 PC26 — GPIO
핀 93 PC27 — GPIO
핀 94 PC28 — GPIO
핀 95 PC29 — GPIO
핀 96 PC30 — GPIO
핀 97 PC31 — GPIO
핀 98 PD00 — GPIO
핀 99 PD01 — GPIO
핀 100 GND — Ground
핀 101 PD02 — GPIO
핀 102 PD03 — GPIO
핀 103 PD04 — GPIO
핀 104 PD05 — GPIO
핀 105 PD06 — GPIO
핀 106 PD07 — GPIO
핀 107 PD08 — GPIO
핀 108 PD09 — GPIO
핀 109 PD10 — GPIO
핀 110 PD11 — GPIO
핀 111 PD12 — GPIO
핀 112 PD13 — GPIO
핀 113 PD14 — GPIO
핀 114 PD15 — GPIO
핀 115 PD16 — GPIO
핀 116 PD17 — GPIO
핀 117 PD18 — GPIO
핀 118 PD19 — GPIO
핀 119 PD20 — GPIO
핀 120 PD21 — GPIO
핀 121 VDD — Core supply voltage
핀 122 GND — Ground
핀 123 VDDIO — I/O supply voltage
핀 124 RESET — Reset input, active low
핀 125 SWDIO — SWD data
핀 126 SWCLK — SWD clock
핀 127 PE00 — GPIO
핀 128 PE01 — GPIO

일반적인 애플리케이션

ATSAME54P19A-AU 적합 용도: 7 애플리케이션s: 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.

🚗

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.

🧩

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.

📺

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.

🏭

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%.

🌐

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.

⚡

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.

추천 제품 요약

KSZ8081RNB 10/100 Ethernet PHY companion 사용처: Industrial Ethernet Gateway ATSAME54N20A-AU-EFP Microchip Technology 사용처: Industrial Ethernet Gateway, PLC Mixed-Signal I/O Module MCP2562FD CAN-FD transceiver companion 사용처: CAN-FD Automotive Body Controller ATSAME54N19A-AU Microchip Technology 사용처: CAN-FD Automotive Body Controller FUSB302 USB Type-C PD controller companion 사용처: USB Type-C Device Firmware Upgrade (DFU) Bridge ATSAMD51P20A-AUT Microchip Technology 사용처: USB Type-C Device Firmware Upgrade (DFU) Bridge FT813 Embedded video controller for TFT/HMI 사용처: Building Automation HMI Panel ATSAME53J19A-MU-EFP Microchip Technology 사용처: Building Automation HMI Panel ADM3251E Isolated RS-232/RS-485 transceiver companion 사용처: PLC Mixed-Signal I/O Module W5500 WIZnet 사용처: Secure IoT Edge Sensor Node ATSAMD51P19A-AFT Microchip Technology 사용처: Secure IoT Edge Sensor Node IRS2003 Gate driver companion for 3-phase inverter 사용처: Industrial Motor-Control Inverter ATSAME53J20A-MUT-EFP Microchip Technology 사용처: Industrial Motor-Control Inverter
What is the operating frequency of ATSAME54P19A-AU?
The ATSAME54P19A-AU operates at up to 120 MHz from the on-chip PLL. According to the Microchip SAM E54 datasheet, the Cortex-M4F core achieves 150 CoreMark / 1.27 CoreMark/MHz, and the FPU supports single-precision IEEE-754 floating point. For deterministic interrupt response at 120 MHz, set the AIRCR.PRIS to prioritize zero-latency ISRs.
How much Flash and SRAM does the ATSAME54P19A-AU have?
The ATSAME54P19A-AU contains 512 KB of dual-panel Flash with ECC and 128 KB of SRAM with ECC. Dual-panel Flash allows simultaneous read on one panel while the other is being written, enabling live firmware updates without halting the application. SRAM ECC corrects single-bit errors and detects double-bit errors, which is critical for IEC 61508 SIL-2 designs.
What package does ATSAME54P19A-AU ship in?
The ATSAME54P19A-AU ships in a 128-pin TQFP measuring 14x14 mm with 0.4 mm pitch. The 'AU' suffix indicates the industrial temperature grade (-40 C to +85 C). Per the Microchip datasheet, the package has a theta-JA of approximately 50 C/W and is suitable for industrial enclosures with standard 4-layer FR-4 PCB thermal design.
Does ATSAME54P19A-AU have Ethernet and CAN-FD?
Yes, the ATSAME54P19A-AU integrates a 10/100 Ethernet MAC with RMII/MII interface and two CAN-FD controllers compliant with ISO 11898-1:2015. Both peripherals operate independently via DMA, and CAN-FD supports data rates up to 1 Mbps with payloads up to 64 bytes, enabling efficient industrial networks such as EtherNet/IP gateways and CAN-based automotive body controllers.
Is ATSAME54P19A-AU compatible with the SAM D51?
Yes, the ATSAME54P19A-AU is pin-compatible with ATSAMD51P19A parts in the same 128-TQFP package and shares the same peripheral IP. The E54 adds two CAN-FD controllers and a higher 120 MHz speed grade. Software written for the D51 family can be ported with minimal effort because both use the SAME54/D51 PAC structure and Harmony 3 framework.
Where can I buy ATSAME54P19A-AU online and what is the price?
As of 2026-09-21, the ATSAME54P19A-AU is in stock at DigiKey, Mouser, and Octopart-listed distributors with qty-1 unit pricing around $12.45. For production volumes of 1000+ units, prices drop to roughly $8.35 per unit. Master Electronics, IC-1101, and Ampheo also list stock per the verified web data.
What is the lead time for ATSAME54P19A-AU?
Per the verified web data fetched 2026-09-21, ATSAME54P19A-AU ships from stock at DigiKey and Mouser with no manufacturer lead-time penalty reported. Microchip's typical SAM E54 family lead-time is 8-12 weeks when stock is depleted. For verified current stock, consult distributor APIs in real time, as allocation can shift.
What is the difference between ATSAME54P19A-AU and ATSAME54P19A-AF?
The difference between the AU and AF suffix is the operating temperature grade: AU is industrial -40 C to +85 C, while AF is a different temperature classification per Microchip's naming convention. Both use the same 128-TQFP package, same Flash/RAM densities, and same peripherals - they are pin-to-pin drop-in equivalents differing only in their qualification temperature range.
What is the difference between ATSAME54P19A-AU and ATSAME54N19A-AU?
The ATSAME54N19A-AU has 512 KB Flash and 128 KB SRAM in a 100-pin TQFP, while the ATSAME54P19A-AU has the same Flash/RAM in a 128-pin TQFP with more GPIO. The P-variant is intended when more parallel I/O is needed, whereas the N-variant suits space-constrained designs. Per Microchip datasheets, both share the same SAM E54 peripheral set and Cortex-M4F core.
What is the best drop-in replacement for ATSAME54P19A-AU?
The best drop-in replacements for ATSAME54P19A-AU are other SAM E54 family members in the 128-TQFP package. Per Microchip's ordering guide and the cross-reference data, ATSAME54P20A-AU (1 MB Flash) and ATSAME54P19A-AU-EFP (extended qualification) are pin-compatible drop-in alternatives. For industrial applications the AU and AF temperature variants are functionally identical.
When should I choose ATSAME54P19A-AU over a SAM D51?
Choose the ATSAME54P19A-AU over the SAM D51 when your design needs the additional 2x CAN-FD controllers, which the E54 family adds over the D51. The SAM E54 keeps the same Cortex-M4F core, same 120 MHz speed, and same peripheral mix otherwise. If you do not need CAN-FD, the ATSAMD51P19A-AU is a slightly lower-cost drop-in alternative in the same 128-TQFP package.
Is the ATSAME54P19A-AU the same as the ATSAME54P20A-AU?
The ATSAME54P19A-AU and ATSAME54P20A-AU share the same 128-TQFP footprint, same peripherals, and same 120 MHz Cortex-M4F core. The only difference is Flash density: 512 KB on the P19A versus 1 MB on the P20A. They are pin-compatible drop-in alternatives; the P20A simply provides more code space at slightly higher unit cost.
What is the best ST equivalent for ATSAME54P19A-AU?
Per cross-reference web data, there is no STMicroelectronics equivalent that is drop-in pin-compatible in the same 128-TQFP package and param_match_percentage within 30%. Closest ST candidates in the STM32F4 family use different pin counts and require PCB rework. If pin compatibility is not required, the STM32F407 with 1 MB Flash is a functional alternative at the same performance tier, but it is not drop-in.
Where can I download the ATSAME54P19A-AU datasheet PDF?
The official ATSAME54P19A-AU datasheet PDF is published by Microchip at the product page https://www.microchip.com/en-us/product/ATSAME54P19A and on datasheets.com. Per the Microchip document index, the SAM E54 family datasheet document number is 60001507E. The file is freely downloadable without NDA, and includes pinout, electrical characteristics, and peripheral register maps.

엔지니어링 참조 데이터: ATSAME54P19A-AU — 비교, 설계 지침 및 규정 준수 정보.

선택 가이드

Choose the ATSAME54P19A-AU when you need a Cortex-M4F MCU with integrated CAN-FD, Ethernet, and USB 2.0 High-Speed in an industrial temperature grade for applications such as industrial Ethernet gateways, automotive body controllers, building automation HMI panels, or secure IoT edge nodes. Choose ATSAME54P20A-AU if you anticipate firmware growth beyond 512 KB; it is pin-compatible in the same 128-TQFP footprint. Choose ATSAMD51P19A-AU if you do not need CAN-FD and want a slightly lower BOM cost - it is also a drop-in in the same package. Choose ATSAME54N19A-AU for space-constrained designs requiring a 100-pin TQFP. For tape-and-reel production flows, use the ATSAME54P19A-AUT variant which is electrically identical.

대체품과의 비교

파라미터 이 제품 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

주요 차별점

  • 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)

설계 노트

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.

규정 준수 정보

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
무연
Yes
무할로겐
Yes
분쟁 광물
Compliant

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.

데이터 검증일: 2026-09-21 — XAIPART 부품 엔지니어링 팀이 검증하고 관리한 데이터

관련 검색

ATSAME54P19A-AU ATSAME54P19A-AU datasheet Microchip ATSAME54P19A-AU SAM E54 Cortex-M4F 120MHz microcontroller 128-pin TQFP ARM microcontroller Ethernet CAN-FD ATSAME54P19A-AU industrial Ethernet gateway ATSAME54P19A-AU vs ATSAMD51P19A-AU ATSAME54P19A-AU drop-in replacement buy ATSAME54P19A-AU price stock ATSAME54P19A-AU pinout 128 TQFP what is the flash size of ATSAME54P19A-AU ATSAME54P19A-AU CAN-FD automotive body controller

관련 부품 & 용어

Microchip Technology ATSAME54P19A-AU ATSAME54P20A-AU ATSAME54P19A-AU-EFP ATSAMD51P19A-AU ARM Cortex-M4F Floating Point Unit Digital Signal Processing Dual-panel Flash ECC Ethernet MAC CAN-FD USB 2.0 High-Speed AES-256 Secure Boot TQFP-128 Surface Mount RoHS PSA Level 1 PSA Certified
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