ATSAME54P19A-AUT-EFP - 120MHz Cortex-M4F MCU 512KB Flash | Microchip
MPN: ATSAME54P19A-AUT-EFP ✓ Hoạt độngATSAME54P19A-AUT-EFP Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho ATSAME54P19A-AUT-EFP — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với ATSAME54P19A-AUT-EFP (cùng hình factor và footprint) — khác nhau ở USB, Package, Operating Temperature, RoHS Status, SRAM.
ATSAME54P19A-AUT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ATSAME54P19A-AU-EFP
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAME54P20A-AUT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAME54N20A-AUT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAME54N19A-AUT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAMD51P19A-AUT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ATSAME54P19A-AUT-EFP Tỷ lệ tối đa & tính chất điện
| 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 |
| Hộp | 128-TQFP (14x14 mm) |
| Kiểu lắp đặt | Surface Mount |
| Packaging | Tape & Reel (AUT) |
| Nhiệt độ hoạt động | -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) |
| Trạng thái RoHS | Compliant |
Cấu hình chân ATSAME54P19A-AUT-EFP
| Chân 1 | VDDIO — Digital I/O supply voltage (3.3V) |
| Chân 2 | PA00 — GPIO PA00 / XIN32 |
| Chân 3 | PA01 — GPIO PA01 / XOUT32 |
| Chân 4 | PA02 — GPIO PA02 / AIN0 |
| Chân 5 | PA03 — GPIO PA03 / AIN1 / VREFA |
| Chân 6 | GND — Ground |
| Chân 7 | PA04 — GPIO PA04 / AIN2 |
| Chân 8 | PA05 — GPIO PA05 / AIN3 |
| Chân 9 | PA06 — GPIO PA06 |
| Chân 10 | PA07 — GPIO PA07 |
| Chân 11 | PA08 — GPIO PA08 / I2C SDA |
| Chân 12 | PA09 — GPIO PA09 / I2C SCL |
| Chân 13 | PA10 — GPIO PA10 |
| Chân 14 | PA11 — GPIO PA11 / USB DM |
| Chân 15 | PA12 — GPIO PA12 / USB DP |
| Chân 16 | PA13 — GPIO PA13 |
| Chân 17 | PA14 — GPIO PA14 |
| Chân 18 | PA15 — GPIO PA15 |
| Chân 19 | PA16 — GPIO PA16 / SERCOM1 PAD0 |
| Chân 20 | PA17 — GPIO PA17 / SERCOM1 PAD1 |
| Chân 21 | PA18 — GPIO PA18 / SERCOM1 PAD2 |
| Chân 22 | PA19 — GPIO PA19 / SERCOM1 PAD3 |
| Chân 23 | PA20 — GPIO PA20 |
| Chân 24 | PA21 — GPIO PA21 |
| Chân 25 | PA22 — GPIO PA22 |
| Chân 26 | PA23 — GPIO PA23 |
| Chân 27 | PA24 — GPIO PA24 / USB SOF |
| Chân 28 | PA25 — GPIO PA25 |
| Chân 29 | PA26 — GPIO PA26 |
| Chân 30 | PA27 — GPIO PA27 |
| Chân 31 | PA28 — GPIO PA28 |
| Chân 32 | PA29 — GPIO PA29 |
| Chân 33 | PA30 — GPIO PA30 |
| Chân 34 | PA31 — GPIO PA31 |
| Chân 35 | GND — Ground |
| Chân 36 | VDDIO — Digital I/O supply voltage (3.3V) |
| Chân 37 | PB00 — GPIO PB00 |
| Chân 38 | PB01 — GPIO PB01 |
| Chân 39 | PB02 — GPIO PB02 / AIN4 |
| Chân 40 | PB03 — GPIO PB03 / AIN5 |
| Chân 41 | PB04 — GPIO PB04 / AIN6 |
| Chân 42 | PB05 — GPIO PB05 / AIN7 |
| Chân 43 | PB06 — GPIO PB06 |
| Chân 44 | PB07 — GPIO PB07 |
| Chân 45 | PB08 — GPIO PB08 |
| Chân 46 | PB09 — GPIO PB09 |
| Chân 47 | PB10 — GPIO PB10 |
| Chân 48 | PB11 — GPIO PB11 |
| Chân 49 | PB12 — GPIO PB12 |
| Chân 50 | PB13 — GPIO PB13 |
| Chân 51 | PB14 — GPIO PB14 |
| Chân 52 | PB15 — GPIO PB15 |
| Chân 53 | PB16 — GPIO PB16 |
| Chân 54 | PB17 — GPIO PB17 |
| Chân 55 | PB18 — GPIO PB18 |
| Chân 56 | PB19 — GPIO PB19 |
| Chân 57 | PB20 — GPIO PB20 |
| Chân 58 | PB21 — GPIO PB21 |
| Chân 59 | PB22 — GPIO PB22 |
| Chân 60 | PB23 — GPIO PB23 |
| Chân 61 | PB24 — GPIO PB24 |
| Chân 62 | PB25 — GPIO PB25 |
| Chân 63 | PB26 — GPIO PB26 |
| Chân 64 | PB27 — GPIO PB27 |
| Chân 65 | PB28 — GPIO PB28 |
| Chân 66 | PB29 — GPIO PB29 |
| Chân 67 | PB30 — GPIO PB30 |
| Chân 68 | PB31 — GPIO PB31 |
| Chân 69 | GND — Ground |
| Chân 70 | VDDCORE — Core voltage (internal regulator output) |
| Chân 71 | VDDIO — Digital I/O supply voltage (3.3V) |
| Chân 72 | PC00 — GPIO PC00 |
| Chân 73 | PC01 — GPIO PC01 |
| Chân 74 | PC02 — GPIO PC02 |
| Chân 75 | PC03 — GPIO PC03 |
| Chân 76 | PC04 — GPIO PC04 |
| Chân 77 | PC05 — GPIO PC05 |
| Chân 78 | PC06 — GPIO PC06 |
| Chân 79 | PC07 — GPIO PC07 |
| Chân 80 | PC08 — GPIO PC08 |
| Chân 81 | PC09 — GPIO PC09 |
| Chân 82 | PC10 — GPIO PC10 |
| Chân 83 | PC11 — GPIO PC11 |
| Chân 84 | PC12 — GPIO PC12 |
| Chân 85 | PC13 — GPIO PC13 |
| Chân 86 | PC14 — GPIO PC14 |
| Chân 87 | PC15 — GPIO PC15 |
| Chân 88 | PC16 — GPIO PC16 |
| Chân 89 | PC17 — GPIO PC17 |
| Chân 90 | PC18 — GPIO PC18 |
| Chân 91 | PC19 — GPIO PC19 |
| Chân 92 | PC20 — GPIO PC20 |
| Chân 93 | PC21 — GPIO PC21 |
| Chân 94 | PC22 — GPIO PC22 |
| Chân 95 | PC23 — GPIO PC23 |
| Chân 96 | PC24 — GPIO PC24 |
| Chân 97 | PC25 — GPIO PC25 |
| Chân 98 | PC26 — GPIO PC26 |
| Chân 99 | PC27 — GPIO PC27 |
| Chân 100 | PC28 — GPIO PC28 |
| Chân 101 | PC29 — GPIO PC29 |
| Chân 102 | PC30 — GPIO PC30 |
| Chân 103 | PC31 — GPIO PC31 |
| Chân 104 | GND — Ground |
| Chân 105 | VDDIO — Digital I/O supply voltage (3.3V) |
| Chân 106 | PD00 — GPIO PD00 |
| Chân 107 | PD01 — GPIO PD01 |
| Chân 108 | PD02 — GPIO PD02 |
| Chân 109 | PD03 — GPIO PD03 |
| Chân 110 | PD04 — GPIO PD04 |
| Chân 111 | PD05 — GPIO PD05 |
| Chân 112 | PD06 — GPIO PD06 |
| Chân 113 | PD07 — GPIO PD07 |
| Chân 114 | PD08 — GPIO PD08 |
| Chân 115 | PD09 — GPIO PD09 |
| Chân 116 | PD10 — GPIO PD10 |
| Chân 117 | PD11 — GPIO PD11 |
| Chân 118 | PD12 — GPIO PD12 |
| Chân 119 | NRST — External Reset (active-low) |
| Chân 120 | SWDIO — Serial Wire Debug I/O |
| Chân 121 | SWCLK — Serial Wire Debug Clock |
| Chân 122 | VDDIO — Digital I/O supply voltage (3.3V) |
| Chân 123 | GND — Ground |
| Chân 124 | VDDCORE — Core voltage (internal regulator output) |
| Chân 125 | VDDPLL — PLL analog supply |
| Chân 126 | VDDUTMI — USB UTMI PHY supply (3.3V) |
| Chân 127 | VBUS — USB VBUS detect input |
| Chân 128 | GND — Ground |
Ứng dụng tiêu biểu
ATSAME54P19A-AUT-EFP phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho ATSAME54P19A-AUT-EFP — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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) |
Bảo phân biệt quan trọng
- Extended Flash Performance with 100k cycle endurance (vsATSAME54P19A-AUT (standard grade))
- Hardware cryptographic accelerator (AES/SHA/TRNG) (vsATSAMD51P19A-AUT)
- 128 KB SRAM buffer for TCP/IP stacks (vsATSAME54P20A-AUT (256 KB SRAM, 1 MB Flash))
Ghi chú thiết kế
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).
Thông tin tuân thủ
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.