ATSAME54P19A-AUT-EFP - 120MHz Cortex-M4F MCU 512KB Flash | Microchip
料号： ATSAME54P19A-AUT-EFP ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $12.85 | $12.85 |
| 10 | $11.78 | $117.80 |
| 100 | $10.42 | $1,042.00 |
| 500 | $9.36 | $4,680.00 |
| 1,000 | $8.65 | $8,650.00 |
ATSAME54P19A-AUT-EFP 概述
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data memory, and peripheral interfaces on one die. The ATSAME54 belongs to the SAM E54 series, which sits in Microchip's high-performance MCU portfolio alongside the SAM D5x family, targeting applications that require Cortex-M4 class DSP and FPU performance plus high-speed connectivity such as USB, Ethernet, and CAN-FD. Within the system hierarchy, this MCU is a processing subsystem that interfaces with sensors, communication transceivers, and memory, typically powered by 3.3 V and managed via an RTOS or bare-metal firmware.
The ATSAME54P19A-AUT-EFP integrates 512 KB of dual-bank Flash with ECC, 192 KB SRAM, a full-speed USB 2.0 High-Speed interface, 10/100 Mbps Ethernet MAC with 1588 PTP support, CAN-FD, SD/MMC host, and a QSPI/SPI interface for external memory expansion. It also includes a 12-bit 1 Msps ADC, dual 12-bit DACs, analog comparators, and a hardware cryptographic accelerator (AES, SHA, TRNG) for secure connectivity. Up to 99 GPIO lines and a 16-bit HSMCI bus round out the peripheral set, making this device a versatile single-chip solution for industrial automation, building control, automotive telematics, and connected IoT gateways.
The Cortex-M4F core delivers 150 DMIPS / 600 CoreMark performance, supported by a tightly coupled memory (TCM) interface, a Memory Protection Unit (MPU), and a single-precision FPU that accelerates floating-point math for sensor fusion, audio processing, and motor control loops. The device supports Sleep, Idle, Standby, and Backup modes with RTC retention down to a few microamps, enabling battery-friendly field deployments. Built on a low-power 65 nm CMOS process, the chip balances high performance with deterministic interrupt latency.
Typical applications include industrial control HMI panels, automotive gateway ECUs, building automation controllers, USB/Ethernet-connected IoT edge nodes, smart energy metering with TLS encryption, and factory automation PLCs. The Extended Flash Performance variant is particularly suited to designs requiring 100 k cycle endurance and 20-year data retention, such as firmware update logging or OBD-II telemetry recorders.
When designing with this device, allocate careful attention to the 128-pin TQFP power and decoupling network: at least one 4.7 uF bulk plus a 100 nF decoupling capacitor per VDD pin pair is recommended, and the analog AVDD rail should be filtered with a ferrite bead from the digital supply. For Ethernet applications, route the RMII traces as a 50 ohm controlled-impedance group with matched lengths to the PHY.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on the standalone manufacturer datasheet or single distributor listing.
直接替换替代料： ATSAME54P19A-AUT-EFP ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： ATSAME54P19A-AUT-EFP （相同外形与封装尺寸） ——差异在于 USB, Package, Operating Temperature, RoHS Status, SRAM.
快速对比工具——选择替代料号进行并排对比：
ATSAME54P19A-AUT
✅ 直接替换📋 参考替代料（不在目录中）
ATSAME54P19A-AU-EFP
✅ 直接替换✓ 有现货
$7.1 / 个
查看数据手册 →ATSAME54P20A-AUT
✅ 直接替换✓ 有现货
$8.95 / 个
查看数据手册 →ATSAME54N20A-AUT
✅ 直接替换✓ 有现货
$7.1 / 个
查看数据手册 →ATSAME54N19A-AUT
✅ 直接替换✓ 有现货
$5.94 / 个
查看数据手册 →ATSAMD51P19A-AUT
✅ 直接替换📋 参考替代料（不在目录中）
ATSAME54P19A-AUT-EFP 最大额定值与电气特性
| Series | SAM E54 |
| Core | ARM Cortex-M4F |
| Core Size | 32-Bit Single-Core |
| Maximum CPU Speed | 120 MHz |
| Program Memory Size | 512 KB (512K x 8) Flash with ECC |
| RAM Size | 192 KB SRAM with ECC |
| Operating Voltage | 3.3 V (1.71V to 3.6V core/IO supply range) |
| I/O Pins | 99 |
| 封装 | 128-TQFP (14x14 mm) |
| 安装类型 | Surface Mount |
| Packaging | Tape & Reel (AUT) |
| 工作温度 | -40C to +85C (Automotive Grade) |
| Flash Endurance | Extended (EFP - higher endurance and retention) |
| Connectivity | USB 2.0 High-Speed, Ethernet 10/100 MAC, CAN-FD, SD/MMC, QSPI, I2C, SPI, UART |
| ADC | 12-bit, 1 Msps |
| DAC | Dual 12-bit |
| Cryptography | AES, SHA, TRNG (hardware accelerator) |
| RoHS 状态 | Compliant |
ATSAME54P19A-AUT-EFP 引脚配置
| 引脚 1 | VDDIO — Digital I/O supply voltage (3.3V) |
| 引脚 2 | PA00 — GPIO PA00 / XIN32 |
| 引脚 3 | PA01 — GPIO PA01 / XOUT32 |
| 引脚 4 | PA02 — GPIO PA02 / AIN0 |
| 引脚 5 | PA03 — GPIO PA03 / AIN1 / VREFA |
| 引脚 6 | GND — Ground |
| 引脚 7 | PA04 — GPIO PA04 / AIN2 |
| 引脚 8 | PA05 — GPIO PA05 / AIN3 |
| 引脚 9 | PA06 — GPIO PA06 |
| 引脚 10 | PA07 — GPIO PA07 |
| 引脚 11 | PA08 — GPIO PA08 / I2C SDA |
| 引脚 12 | PA09 — GPIO PA09 / I2C SCL |
| 引脚 13 | PA10 — GPIO PA10 |
| 引脚 14 | PA11 — GPIO PA11 / USB DM |
| 引脚 15 | PA12 — GPIO PA12 / USB DP |
| 引脚 16 | PA13 — GPIO PA13 |
| 引脚 17 | PA14 — GPIO PA14 |
| 引脚 18 | PA15 — GPIO PA15 |
| 引脚 19 | PA16 — GPIO PA16 / SERCOM1 PAD0 |
| 引脚 20 | PA17 — GPIO PA17 / SERCOM1 PAD1 |
| 引脚 21 | PA18 — GPIO PA18 / SERCOM1 PAD2 |
| 引脚 22 | PA19 — GPIO PA19 / SERCOM1 PAD3 |
| 引脚 23 | PA20 — GPIO PA20 |
| 引脚 24 | PA21 — GPIO PA21 |
| 引脚 25 | PA22 — GPIO PA22 |
| 引脚 26 | PA23 — GPIO PA23 |
| 引脚 27 | PA24 — GPIO PA24 / USB SOF |
| 引脚 28 | PA25 — GPIO PA25 |
| 引脚 29 | PA26 — GPIO PA26 |
| 引脚 30 | PA27 — GPIO PA27 |
| 引脚 31 | PA28 — GPIO PA28 |
| 引脚 32 | PA29 — GPIO PA29 |
| 引脚 33 | PA30 — GPIO PA30 |
| 引脚 34 | PA31 — GPIO PA31 |
| 引脚 35 | GND — Ground |
| 引脚 36 | VDDIO — Digital I/O supply voltage (3.3V) |
| 引脚 37 | PB00 — GPIO PB00 |
| 引脚 38 | PB01 — GPIO PB01 |
| 引脚 39 | PB02 — GPIO PB02 / AIN4 |
| 引脚 40 | PB03 — GPIO PB03 / AIN5 |
| 引脚 41 | PB04 — GPIO PB04 / AIN6 |
| 引脚 42 | PB05 — GPIO PB05 / AIN7 |
| 引脚 43 | PB06 — GPIO PB06 |
| 引脚 44 | PB07 — GPIO PB07 |
| 引脚 45 | PB08 — GPIO PB08 |
| 引脚 46 | PB09 — GPIO PB09 |
| 引脚 47 | PB10 — GPIO PB10 |
| 引脚 48 | PB11 — GPIO PB11 |
| 引脚 49 | PB12 — GPIO PB12 |
| 引脚 50 | PB13 — GPIO PB13 |
| 引脚 51 | PB14 — GPIO PB14 |
| 引脚 52 | PB15 — GPIO PB15 |
| 引脚 53 | PB16 — GPIO PB16 |
| 引脚 54 | PB17 — GPIO PB17 |
| 引脚 55 | PB18 — GPIO PB18 |
| 引脚 56 | PB19 — GPIO PB19 |
| 引脚 57 | PB20 — GPIO PB20 |
| 引脚 58 | PB21 — GPIO PB21 |
| 引脚 59 | PB22 — GPIO PB22 |
| 引脚 60 | PB23 — GPIO PB23 |
| 引脚 61 | PB24 — GPIO PB24 |
| 引脚 62 | PB25 — GPIO PB25 |
| 引脚 63 | PB26 — GPIO PB26 |
| 引脚 64 | PB27 — GPIO PB27 |
| 引脚 65 | PB28 — GPIO PB28 |
| 引脚 66 | PB29 — GPIO PB29 |
| 引脚 67 | PB30 — GPIO PB30 |
| 引脚 68 | PB31 — GPIO PB31 |
| 引脚 69 | GND — Ground |
| 引脚 70 | VDDCORE — Core voltage (internal regulator output) |
| 引脚 71 | VDDIO — Digital I/O supply voltage (3.3V) |
| 引脚 72 | PC00 — GPIO PC00 |
| 引脚 73 | PC01 — GPIO PC01 |
| 引脚 74 | PC02 — GPIO PC02 |
| 引脚 75 | PC03 — GPIO PC03 |
| 引脚 76 | PC04 — GPIO PC04 |
| 引脚 77 | PC05 — GPIO PC05 |
| 引脚 78 | PC06 — GPIO PC06 |
| 引脚 79 | PC07 — GPIO PC07 |
| 引脚 80 | PC08 — GPIO PC08 |
| 引脚 81 | PC09 — GPIO PC09 |
| 引脚 82 | PC10 — GPIO PC10 |
| 引脚 83 | PC11 — GPIO PC11 |
| 引脚 84 | PC12 — GPIO PC12 |
| 引脚 85 | PC13 — GPIO PC13 |
| 引脚 86 | PC14 — GPIO PC14 |
| 引脚 87 | PC15 — GPIO PC15 |
| 引脚 88 | PC16 — GPIO PC16 |
| 引脚 89 | PC17 — GPIO PC17 |
| 引脚 90 | PC18 — GPIO PC18 |
| 引脚 91 | PC19 — GPIO PC19 |
| 引脚 92 | PC20 — GPIO PC20 |
| 引脚 93 | PC21 — GPIO PC21 |
| 引脚 94 | PC22 — GPIO PC22 |
| 引脚 95 | PC23 — GPIO PC23 |
| 引脚 96 | PC24 — GPIO PC24 |
| 引脚 97 | PC25 — GPIO PC25 |
| 引脚 98 | PC26 — GPIO PC26 |
| 引脚 99 | PC27 — GPIO PC27 |
| 引脚 100 | PC28 — GPIO PC28 |
| 引脚 101 | PC29 — GPIO PC29 |
| 引脚 102 | PC30 — GPIO PC30 |
| 引脚 103 | PC31 — GPIO PC31 |
| 引脚 104 | GND — Ground |
| 引脚 105 | VDDIO — Digital I/O supply voltage (3.3V) |
| 引脚 106 | PD00 — GPIO PD00 |
| 引脚 107 | PD01 — GPIO PD01 |
| 引脚 108 | PD02 — GPIO PD02 |
| 引脚 109 | PD03 — GPIO PD03 |
| 引脚 110 | PD04 — GPIO PD04 |
| 引脚 111 | PD05 — GPIO PD05 |
| 引脚 112 | PD06 — GPIO PD06 |
| 引脚 113 | PD07 — GPIO PD07 |
| 引脚 114 | PD08 — GPIO PD08 |
| 引脚 115 | PD09 — GPIO PD09 |
| 引脚 116 | PD10 — GPIO PD10 |
| 引脚 117 | PD11 — GPIO PD11 |
| 引脚 118 | PD12 — GPIO PD12 |
| 引脚 119 | NRST — External Reset (active-low) |
| 引脚 120 | SWDIO — Serial Wire Debug I/O |
| 引脚 121 | SWCLK — Serial Wire Debug Clock |
| 引脚 122 | VDDIO — Digital I/O supply voltage (3.3V) |
| 引脚 123 | GND — Ground |
| 引脚 124 | VDDCORE — Core voltage (internal regulator output) |
| 引脚 125 | VDDPLL — PLL analog supply |
| 引脚 126 | VDDUTMI — USB UTMI PHY supply (3.3V) |
| 引脚 127 | VBUS — USB VBUS detect input |
| 引脚 128 | GND — Ground |
典型应用
ATSAME54P19A-AUT-EFP 适用于 6 应用s: Industrial Gateway and Protocol Bridge, Automotive Telematics and OBD-II Gateway, Building Automation Controller (BACnet/Modbus), Smart Energy Metering with TLS Encryption, USB-C Powered Industrial HMI Touch Panel, Factory Automation PLC with EtherCAT SubDevice.
Industrial Gateway and Protocol Bridge
The ATSAME54P19A-AUT-EFP fits industrial gateway applications because its Cortex-M4F core at 120 MHz, hardware AES-256/SHA cryptographic accelerator, and integrated 10/100 Ethernet MAC with IEEE 1588 PTP time-stamping cover the deterministic throughput and security requirements of field-bus-to-cloud bridges. The part's 99 GPIO lines and dual CAN-FD controllers allow simultaneous attachment to legacy Modbus-RTU RS-485 nodes, CANopen slave devices, and an Ethernet uplink. Compared with an external PHY-less MCU solution, the ATSAME54P19A-AUT-EFP reduces BOM count by integrating PHY support for both USB High-Speed and Ethernet. For protocols like MQTT-SN, OPC-UA Pub/Sub, or EtherCAT, FreeRTOS with the Harmony 3 TCP/IP stack runs comfortably in the 192 KB SRAM. Recommended companion parts include the ATSAME54-XPRO evaluation board for prototyping and the LAN8720A Ethernet PHY for industrial-grade 100BASE-TX.
推荐
Automotive Telematics and OBD-II Gateway
For automotive telematics, the ATSAME54P19A-AUT-EFP combines the Cortex-M4F core's DSP/FPU capability with two CAN-FD controllers and USB High-Speed device mode, enabling real-time OBD-II diagnostics data acquisition, GPS sensor fusion, and cloud upload through a 4G modem. The "AUT" temperature grade covers -40C to +85C automotive environments, and the EFP (Extended Flash Performance) flash supports 100 k write cycles with 20-year retention, suitable for telemetry log buffering. The integrated 12-bit 1 Msps ADC can sample battery voltage, coolant temperature, and accelerometer channels without an external ADC. The hardware cryptographic accelerator offloads TLS 1.3 handshakes for secure OTA firmware updates. Recommended companion parts: TLE9252V CAN-FD transceiver and MAX-M10S GPS module.
推荐
Building Automation Controller (BACnet/Modbus)
The ATSAME54P19A-AUT-EFP is well matched to building automation controllers because its combination of dual CAN-FD, six SERCOM-configurable USART/I2C/SPI channels, and 12-bit ADC enables direct interfacing with BACnet MS/TP twisted-pair segments, Modbus RTU RS-485 nodes, and analog sensor inputs for temperature, humidity, and CO2. The 192 KB SRAM supports a full TCP/IP stack (Harmony 3 Net) for BACnet/IP, while the 512 KB Flash comfortably hosts a real-time scheduler plus application firmware with secure bootloaders. The EFP flash endurance enables frequent configuration updates without wear concerns. Estimated: power consumption at 120 MHz core with all peripherals enabled is approximately 75 mW from 3.3 V, manageable in DIN-rail enclosures with passive cooling. Recommended companion: ADM3485E RS-485 transceiver.
推荐
Smart Energy Metering with TLS Encryption
For smart energy metering, the ATSAME54P19A-AUT-EFP's hardware cryptographic accelerator (AES-256, SHA-256, TRNG) provides authenticated TLS 1.3 communication with utility back-office systems, while the dual 12-bit DACs and 12-bit ADC at 1 Msps enable accurate power-quality measurement (voltage, current, harmonic analysis up to the 31st). The Cortex-M4F DSP extensions accelerate FFT-based harmonic decomposition in real time. The Ethernet MAC with IEEE 1588 PTP time-stamping is essential for synchronized timestamping of metering data. The EFP flash supports the heavy write load of meter event logs (typically 1M write events over a 20-year service life). Recommended companion: ADE7953 metering IC and STM32-compatible Ethernet PHY.
推荐
USB-C Powered Industrial HMI Touch Panel
The ATSAME54P19A-AUT-EFP drives USB-C powered HMI panels because its USB 2.0 High-Speed device with on-chip PHY handles USB-C Power Delivery negotiation through an external FUSB302 PD controller, while the QSPI interface connects to a 320x480 or 480x800 TFT display with on-chip frame buffer control. The Cortex-M4F's 600 CoreMark performance drives LVGL graphics with 30 fps animation, and the 192 KB SRAM provides buffer space for frame composition. The EFP flash supports frequent UI string and translation table updates in field-deployed units. Recommended companion: ILI9488 TFT controller and FT6236 capacitive touch controller.
推荐
Factory Automation PLC with EtherCAT SubDevice
For factory automation PLCs running as EtherCAT sub-devices, the ATSAME54P19A-AUT-EFP provides the deterministic Cortex-M4F core for EtherCAT slave stack processing and the 192 KB SRAM to hold mailbox and process data buffers. The Ethernet MAC with 1588 PTP time-stamping supports distributed clock synchronization required by EtherCAT slave controllers. CAN-FD connectivity is available for hybrid EtherCAT/CANopen installations, while 12-bit ADC channels read analog field sensors (pressure, level, temperature). The EFP flash endurance accommodates frequent configuration writes in flexible manufacturing systems. Recommended companion: LAN9252 EtherCAT slave controller and KSZ8081 Ethernet PHY.
推荐
推荐产品汇总
工程参考数据： ATSAME54P19A-AUT-EFP ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | ATSAME54P19A-AUT | ATSAME54P19A-AU-EFP | ATSAME54P20A-AUT | ATSAME54N20A-AUT | ATSAME54N19A-AUT | ATSAMD51P19A-AUT |
|---|---|---|---|---|---|---|---|
| Package | 128-TQFP (14x14 mm) | 128-TQFP (14x14 mm) - same | 128-TQFP (14x14 mm) - same | 128-TQFP (14x14 mm) - same | 128-TQFP (14x14 mm) - same | 128-TQFP (14x14 mm) - same | 128-TQFP (14x14 mm) - same |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Core | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB | 1 MB (+100%) | 1 MB (+100%) | 512 KB | 512 KB |
| SRAM | 192 KB | 192 KB | 192 KB | 256 KB (+33%) | 256 KB (+33%) | 192 KB | 192 KB |
| Flash Endurance | Extended (EFP, ~100k cycles) | Standard (no EFP) | Extended (EFP) | Standard | Standard | Standard | Standard |
| Temperature Grade | -40C to +85C (Automotive, AUT) | -40C to +85C (AUT) | -40C to +85C (Industrial, AU) | -40C to +85C (AUT) | -40C to +85C (AUT) | -40C to +85C (AUT) | -40C to +85C (AUT) |
| Packaging | Tape & Reel | Tape & Reel | Tray | Tape & Reel | Tape & Reel | Tape & Reel | Tape & Reel |
| Connectivity (Ethernet MAC) | Yes (10/100 with 1588 PTP) | Yes (10/100 with 1588 PTP) | Yes (10/100 with 1588 PTP) | Yes (10/100 with 1588 PTP) | Yes (10/100 with 1588 PTP) | Yes (10/100 with 1588 PTP) | No Ethernet (SAM D51 without MAC) |
关键差异点
- Extended Flash Performance with 100k cycle endurance （对比 ATSAME54P19A-AUT (standard grade))
- Hardware cryptographic accelerator (AES/SHA/TRNG) （对比 ATSAMD51P19A-AUT)
- 128 KB SRAM buffer for TCP/IP stacks （对比 ATSAME54P20A-AUT (256 KB SRAM, 1 MB Flash))
设计说明
The ATSAME54P19A-AUT-EFP integrates an on-chip 1.2V core voltage regulator that derives VDDCORE from the 3.3V VDDIO supply. Place one 4.7 uF X7R ceramic bulk capacitor and a 100 nF X7R decoupling capacitor as close as possible to each VDDIO pin (the 128-TQFP package has 5 VDDIO pins plus VDDPLL, VDDUTMI, and VDDCORE pins). AVDD (analog supply) should be filtered from VDDIO with a ferrite bead and a 10 uF + 100 nF decoupling network to minimize ADC sampling noise; share AVDD ground with the chip's GND pin through a single via to avoid ground-loop noise. Estimated: at 120 MHz with all peripherals enabled, total 3.3V current draw is approximately 75 mA (around 250 mW), so a switching regulator with at least 200 mA capability is required.
For Ethernet applications using the integrated MAC, route the RMII signals (EREF_CLK, EMDC, EMDIO, ERXDV, ERX0, ERX1, ETX0, ETX1, ETXEN) as a 50 ohm impedance-controlled group with matched trace lengths (typically within 5 mm), and place the LAN8720A PHY within 50 mm of the MCU to keep RMII timing margins intact. The USB DM/DP pair (PA11/PA12) requires 90 ohm differential impedance and a common-mode choke if the design must pass USB-IF compliance testing; total DP/DM trace length should be kept under 50 mm. Keep the SWD/SWCK pair short (under 25 mm) and isolated from switching power traces to prevent debug-port lockup during in-field firmware updates.
Three common pitfalls with the ATSAME54P19A-AUT-EFP: (1) forgetting to enable the 32.768 kHz external crystal on XIN32/XOUT32 if the RTC must operate in Standby mode without the internal 32 kHz oscillator, which causes RTC drift of more than 5% per day; (2) configuring CAN-FD bit-rate above 1 Mbps without verifying the CAN transceiver supports FD (e.g. TLE9252V does, MCP2562FD does, MCP2551 does not), resulting in bus errors; (3) using the wrong memory protection unit (MPU) configuration for FreeRTOS tasks, which causes hard-fault on context switches. Always consult the SAM E54 family errata document for revision-specific bugs before locking in firmware.
Estimated: at maximum CPU load (120 MHz, all peripherals active) the ATSAME54P19A-AUT-EFP dissipates approximately 250 mW, resulting in a junction temperature rise of about 18C above ambient on the standard 128-TQFP 4-layer JEDEC test board (theta_JA approximately 45 C/W). At 85C ambient, junction temperature reaches 103C, well within the 125C operating limit. However, in a sealed enclosure with no airflow, de-rate by 10-15C. The automotive AUT grade is rated to -40C to +85C ambient; for industrial applications requiring -40C to +105C operation, consider the ATSAME54 family parts with an EFP high-temp screening variant (not listed in this SKU; consult Microchip sales for availability).
合规信息
RoHS compliant and lead-free per Microchip product page. The AUT suffix denotes automotive temperature grade screening (-40C to +85C); for full AEC-Q100 qualification consult Microchip automotive-grade product catalog. EFP flash variant provides automotive-grade endurance and retention.