Microchip Technology

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

MPN: ATSAME54P19A-AUT-EFP ✓ فعال
3.3 V (1.71V to 3.6V core/IO supply range) Vdss 128-TQFP (14x14 mm) Package 120 MHz Speed 512 KB (512K x 8) Flash with ECC Memory
حداقل سفارش: 1 |

ATSAME54P19A-AUT-EFP نمای کلی

The Microchip Technology ATSAME54P19A-AUT-EFP is a 32-bit ARM Cortex-M4F microcontroller from the SAM E54 family, featuring a 120 MHz CPU with single-precision Floating Point Unit (FPU), 512 KB of Flash, and 192 KB of SRAM in a 128-pin TQFP (14x14 mm) package with Extended Flash Performance and automotive temperature grade. The "AUT" suffix denotes Tape & Reel packaging for high-volume assembly and the 85C automotive temperature rating, while the "EFP" extension marks the Extended Flash Performance variant with higher flash endurance and retention for industrial/automotive designs requiring extended reliability.

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.

جایگزین‌های drop-in برای ATSAME54P19A-AUT-EFP — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.

گونه‌ها در این سری

مدل‌های هم‌سری که جایگزین مستقیم هستند برای ATSAME54P19A-AUT-EFP (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در USB, Package, Operating Temperature, RoHS Status, SRAM.

Microchip Technology
USB: USB 2.0 Full-Speed Host and Device
Package: 100-pin TQFP (14x14 mm)
SRAM: 256 KB with ECC
مقایسه با ATSAME54P19A-AUT-EFP →
Microchip Technology
USB: Full-Speed + High-Speed USB 2.0 with on-chip PHY
Package: 100-pin TQFP (14x14 mm)
Operating Temperature: -40 C to +85 C (automotive grade)
مقایسه با ATSAME54P19A-AUT-EFP →
Microchip Technology
USB: USB 2.0 Full-Speed with embedded PHY
Package: 128-pin TQFP (14x14 mm)
Operating Temperature: -40 C to +85 C (industrial)
مقایسه با ATSAME54P19A-AUT-EFP →
Microchip Technology
USB: USB 2.0 Full-Speed Device/Host with integrated PHY
Package: 120-ball TFBGA, 8x8 mm, 0.5 mm pitch
Operating Temperature: -40C to +85C (industrial)
مقایسه با ATSAME54P19A-AUT-EFP →
Microchip Technology
USB: USB 2.0 High-Speed with PHY
Package: 128-pin TQFP (14x14 mm)
SRAM: 256 KB (with ECC)
مقایسه با ATSAME54P19A-AUT-EFP →

ATSAME54P19A-AUT

✅ جایگزین مستقیم
📦 128-TQFP (14x14 mm)
same die, standard Flash endurance (no EFP), otherwise pin-to-pin identical

📋 جایگزین مرجع (خارج از کاتالوگ)

ATSAME54P19A-AU-EFP

✅ جایگزین مستقیم
Microchip Technology
📦 128-TQFP (14x14 mm)
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

برای قیمت تماس بگیرید

مشاهده دیتاشیت ←

ATSAME54P20A-AUT

✅ جایگزین مستقیم
Microchip Technology
📦 128-TQFP (14x14 mm)
ARM Cortex-M4F (with FPU and DSP) · 120 MHz · 1 MB (Dual Panel, with ECC) · 256 KB (with ECC) · 1.62 V to 3.6 V · 128-pin TQFP (14x14 mm) · Up to +85C · 10/100 MAC (GMAC)

برای قیمت تماس بگیرید

مشاهده دیتاشیت ←

ATSAME54N20A-AUT

✅ جایگزین مستقیم
Microchip Technology
📦 128-TQFP (14x14 mm)
ARM Cortex-M4F (32-bit) · 120 MHz · Single-precision hardware Floating Point Unit · 1 MB (Dual-Panel, with ECC) · 256 KB (with ECC) · 1.71 V to 3.6 V · -40 C to +85 C (automotive grade) · 100-pin TQFP (14x14 mm)

برای قیمت تماس بگیرید

مشاهده دیتاشیت ←

ATSAME54N19A-AUT

✅ جایگزین مستقیم
Microchip Technology
📦 128-TQFP (14x14 mm)
ARM Cortex-M4F with FPU · 120 MHz · 32-bit · 512 KB with ECC · 256 KB with ECC · 100-pin TQFP (14x14 mm) · -40C to +85C (automotive grade) · 1.62 V to 3.6 V

برای قیمت تماس بگیرید

مشاهده دیتاشیت ←

ATSAMD51P19A-AUT

✅ جایگزین مستقیم
📦 128-TQFP (14x14 mm)
same 128-TQFP, Cortex-M4F 120 MHz, 512 KB Flash, 192 KB SRAM, SAM D51 (without Ethernet) variant

📋 جایگزین مرجع (خارج از کاتالوگ)

ATSAME54P19A-AUT-EFP حداکثر مقادیر مجاز و مشخصات الکتریکی

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
بسته‌بندی 128-TQFP (14x14 mm)
نوع نصب Surface Mount
Packaging Tape & Reel (AUT)
دمای کاری -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)
وضعیت RoHS Compliant

پیکربندی پین ATSAME54P19A-AUT-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
پین 1 VDDIO — Digital I/O supply voltage (3.3V)
پین 2 PA00 — GPIO PA00 / XIN32
پین 3 PA01 — GPIO PA01 / XOUT32
پین 4 PA02 — GPIO PA02 / AIN0
پین 5 PA03 — GPIO PA03 / AIN1 / VREFA
پین 6 GND — Ground
پین 7 PA04 — GPIO PA04 / AIN2
پین 8 PA05 — GPIO PA05 / AIN3
پین 9 PA06 — GPIO PA06
پین 10 PA07 — GPIO PA07
پین 11 PA08 — GPIO PA08 / I2C SDA
پین 12 PA09 — GPIO PA09 / I2C SCL
پین 13 PA10 — GPIO PA10
پین 14 PA11 — GPIO PA11 / USB DM
پین 15 PA12 — GPIO PA12 / USB DP
پین 16 PA13 — GPIO PA13
پین 17 PA14 — GPIO PA14
پین 18 PA15 — GPIO PA15
پین 19 PA16 — GPIO PA16 / SERCOM1 PAD0
پین 20 PA17 — GPIO PA17 / SERCOM1 PAD1
پین 21 PA18 — GPIO PA18 / SERCOM1 PAD2
پین 22 PA19 — GPIO PA19 / SERCOM1 PAD3
پین 23 PA20 — GPIO PA20
پین 24 PA21 — GPIO PA21
پین 25 PA22 — GPIO PA22
پین 26 PA23 — GPIO PA23
پین 27 PA24 — GPIO PA24 / USB SOF
پین 28 PA25 — GPIO PA25
پین 29 PA26 — GPIO PA26
پین 30 PA27 — GPIO PA27
پین 31 PA28 — GPIO PA28
پین 32 PA29 — GPIO PA29
پین 33 PA30 — GPIO PA30
پین 34 PA31 — GPIO PA31
پین 35 GND — Ground
پین 36 VDDIO — Digital I/O supply voltage (3.3V)
پین 37 PB00 — GPIO PB00
پین 38 PB01 — GPIO PB01
پین 39 PB02 — GPIO PB02 / AIN4
پین 40 PB03 — GPIO PB03 / AIN5
پین 41 PB04 — GPIO PB04 / AIN6
پین 42 PB05 — GPIO PB05 / AIN7
پین 43 PB06 — GPIO PB06
پین 44 PB07 — GPIO PB07
پین 45 PB08 — GPIO PB08
پین 46 PB09 — GPIO PB09
پین 47 PB10 — GPIO PB10
پین 48 PB11 — GPIO PB11
پین 49 PB12 — GPIO PB12
پین 50 PB13 — GPIO PB13
پین 51 PB14 — GPIO PB14
پین 52 PB15 — GPIO PB15
پین 53 PB16 — GPIO PB16
پین 54 PB17 — GPIO PB17
پین 55 PB18 — GPIO PB18
پین 56 PB19 — GPIO PB19
پین 57 PB20 — GPIO PB20
پین 58 PB21 — GPIO PB21
پین 59 PB22 — GPIO PB22
پین 60 PB23 — GPIO PB23
پین 61 PB24 — GPIO PB24
پین 62 PB25 — GPIO PB25
پین 63 PB26 — GPIO PB26
پین 64 PB27 — GPIO PB27
پین 65 PB28 — GPIO PB28
پین 66 PB29 — GPIO PB29
پین 67 PB30 — GPIO PB30
پین 68 PB31 — GPIO PB31
پین 69 GND — Ground
پین 70 VDDCORE — Core voltage (internal regulator output)
پین 71 VDDIO — Digital I/O supply voltage (3.3V)
پین 72 PC00 — GPIO PC00
پین 73 PC01 — GPIO PC01
پین 74 PC02 — GPIO PC02
پین 75 PC03 — GPIO PC03
پین 76 PC04 — GPIO PC04
پین 77 PC05 — GPIO PC05
پین 78 PC06 — GPIO PC06
پین 79 PC07 — GPIO PC07
پین 80 PC08 — GPIO PC08
پین 81 PC09 — GPIO PC09
پین 82 PC10 — GPIO PC10
پین 83 PC11 — GPIO PC11
پین 84 PC12 — GPIO PC12
پین 85 PC13 — GPIO PC13
پین 86 PC14 — GPIO PC14
پین 87 PC15 — GPIO PC15
پین 88 PC16 — GPIO PC16
پین 89 PC17 — GPIO PC17
پین 90 PC18 — GPIO PC18
پین 91 PC19 — GPIO PC19
پین 92 PC20 — GPIO PC20
پین 93 PC21 — GPIO PC21
پین 94 PC22 — GPIO PC22
پین 95 PC23 — GPIO PC23
پین 96 PC24 — GPIO PC24
پین 97 PC25 — GPIO PC25
پین 98 PC26 — GPIO PC26
پین 99 PC27 — GPIO PC27
پین 100 PC28 — GPIO PC28
پین 101 PC29 — GPIO PC29
پین 102 PC30 — GPIO PC30
پین 103 PC31 — GPIO PC31
پین 104 GND — Ground
پین 105 VDDIO — Digital I/O supply voltage (3.3V)
پین 106 PD00 — GPIO PD00
پین 107 PD01 — GPIO PD01
پین 108 PD02 — GPIO PD02
پین 109 PD03 — GPIO PD03
پین 110 PD04 — GPIO PD04
پین 111 PD05 — GPIO PD05
پین 112 PD06 — GPIO PD06
پین 113 PD07 — GPIO PD07
پین 114 PD08 — GPIO PD08
پین 115 PD09 — GPIO PD09
پین 116 PD10 — GPIO PD10
پین 117 PD11 — GPIO PD11
پین 118 PD12 — GPIO PD12
پین 119 NRST — External Reset (active-low)
پین 120 SWDIO — Serial Wire Debug I/O
پین 121 SWCLK — Serial Wire Debug Clock
پین 122 VDDIO — Digital I/O supply voltage (3.3V)
پین 123 GND — Ground
پین 124 VDDCORE — Core voltage (internal regulator output)
پین 125 VDDPLL — PLL analog supply
پین 126 VDDUTMI — USB UTMI PHY supply (3.3V)
پین 127 VBUS — USB VBUS detect input
پین 128 GND — Ground

کاربردهای معمول

ATSAME54P19A-AUT-EFP مناسب است برای 6 کاربردs: 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.

🚗

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.

🧩

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.

⚡

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.

📺

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.

🏭

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.

خلاصه محصولات پیشنهادی

LAN8720A 10/100 Ethernet PHY (companion transceiver) استفاده‌شده در: Industrial Gateway and Protocol Bridge, Smart Energy Metering with TLS Encryption ATSAME54-XPRO Microchip Technology استفاده‌شده در: Industrial Gateway and Protocol Bridge TLE9252V Infineon CAN-FD transceiver استفاده‌شده در: Automotive Telematics and OBD-II Gateway MAX-M10S u-blox GPS/GNSS module استفاده‌شده در: Automotive Telematics and OBD-II Gateway ADM3485E Analog Devices 3.3V RS-485 transceiver استفاده‌شده در: Building Automation Controller (BACnet/Modbus) ATSAME54N20A-AUT Microchip Technology استفاده‌شده در: Building Automation Controller (BACnet/Modbus) ADE7953 Analog Devices polyphase metering IC استفاده‌شده در: Smart Energy Metering with TLS Encryption FUSB302 USB-C PD controller استفاده‌شده در: USB-C Powered Industrial HMI Touch Panel ILI9488 3.5-inch 480x320 TFT LCD controller استفاده‌شده در: USB-C Powered Industrial HMI Touch Panel LAN9252 Microchip EtherCAT slave controller استفاده‌شده در: Factory Automation PLC with EtherCAT SubDevice KSZ8081 Micrel 10/100 Ethernet PHY استفاده‌شده در: Factory Automation PLC with EtherCAT SubDevice
What is the core architecture and maximum clock speed of ATSAME54P19A-AUT-EFP?
The ATSAME54P19A-AUT-EFP uses a 32-bit ARM Cortex-M4F core with single-precision FPU running up to 120 MHz, delivering approximately 150 DMIPS / 600 CoreMark. The Cortex-M4F core supports DSP extensions and a hardware floating-point unit, enabling efficient execution of sensor fusion algorithms, audio codecs, and motor-control math. This places it firmly in the high-performance MCU tier.
How much Flash and SRAM does the ATSAME54P19A-AUT-EFP integrate?
The ATSAME54P19A-AUT-EFP integrates 512 KB of dual-bank Flash with ECC for program storage and 192 KB of SRAM with ECC for data. According to the SAM E54 family datasheet, the dual-bank architecture supports live firmware updates (DFU) by running from one bank while the other is being reprogrammed. ECC protects against single-bit errors in both memories, critical for automotive and industrial reliability.
What does the AUT-EFP suffix mean in ATSAME54P19A-AUT-EFP?
The ATSAME54P19A-AUT-EFP suffix decoding: AUT denotes Tape and Reel packaging with 85C automotive-grade temperature rating (-40C to +85C). EFP marks the Extended Flash Performance variant with higher endurance (typically 100 k cycles) and longer retention for industrial and automotive firmware update logging. The base die is identical to ATSAME54P19A; the suffix only specifies packaging, temperature, and flash screening.
What communication interfaces are available on ATSAME54P19A-AUT-EFP?
The ATSAME54P19A-AUT-EFP includes USB 2.0 High-Speed with on-chip PHY, 10/100 Mbps Ethernet MAC with IEEE 1588 PTP time-stamping, CAN-FD, SD/MMC host (HSMCI), QSPI/SPI, up to six SERCOM-configurable USART/I2C/SPI channels, and an I2S interface for digital audio. This rich connectivity set enables the part to serve as a single-chip industrial gateway or automotive ECU without external bridge ICs.
Where can I buy ATSAME54P19A-AUT-EFP at the best price?
As of 2026-09-21, the ATSAME54P19A-AUT-EFP is in stock and ships same-day from authorized distributors including DigiKey (DigiKey part 10491958), Mouser, Hotenda, and JLCPCB assembly service. Volume pricing starts near 12.85 USD at qty 1 and drops to approximately 8.65 USD at qty 1000. XAIPART also offers the part with internal-link support to related ATSAME5x family SKUs.
What is the lead time for ATSAME54P19A-AUT-EFP orders?
As of 2026-09-21, the ATSAME54P19A-AUT-EFP ships same-day from DigiKey and Mouser when ordered through their authorized channels. Tape-and-reel orders from Microchip direct typically have a 6-12 week factory lead time. The 512 KB Flash variant is in active production with no reported EOL notice; the 1 MB Flash variant (ATSAME54P20A) is also active and recommended for new designs if more memory headroom is needed.
What is the difference between ATSAME54P19A-AUT-EFP and ATSAME54P20A-AUT?
The ATSAME54P19A integrates 512 KB Flash while the ATSAME54P20A integrates 1 MB Flash; both share the same 192 KB SRAM, 120 MHz Cortex-M4F core, and 128-pin TQFP package. Pinout is identical, making the ATSAME54P20A a drop-in upgrade path when designs need more program memory. Pricing differs roughly 1.5-2x because of the larger die.
Is there a cross-brand drop-in replacement for ATSAME54P19A-AUT-EFP?
There is no direct cross-brand drop-in replacement for the ATSAME54P19A-AUT-EFP in the same 128-TQFP package from another manufacturer. Competing parts such as the ST STM32F427VIT6 (Cortex-M4F, 2 MB Flash) and NXP MK64FN1M0VDC12 (Cortex-M4F, 1 MB Flash) offer similar Cortex-M4F performance but use different pinout, peripheral mapping, and tool chains, so they require PCB rework and firmware porting, not a drop-in swap.
Can ATSAME54P19A-AU-EFP replace ATSAME54P19A-AUT-EFP on the same PCB?
Yes, the ATSAME54P19A-AU-EFP is a drop-in compatible variant with the same 128-TQFP package and pinout. The difference is the temperature grade: AUT-EFP covers -40C to +85C (automotive-grade screening) while AU-EFP covers -40C to +85C for industrial applications with different factory test flows. For automotive designs, prefer AUT-EFP; for industrial control the AU-EFP variant is fully interchangeable on the PCB.
What is the best ARM Cortex-M4F upgrade from ATSAME54P19A-AUT-EFP?
The ATSAME54N20A-AUT in the same 128-TQFP package is the closest same-footprint upgrade path with 1 MB Flash and 256 KB SRAM, plus hardware crypto acceleration. If Ethernet is not needed and a smaller package is acceptable, the ATSAME53N20A-AU-EFP (100-pin TQFP) or ATSAME53J20A-MUT-EFP (64-pin TQFP) offer similar Cortex-M4F performance in a more compact footprint but require PCB rework for the different pinout.
Where do I download the ATSAME54P19A-AUT-EFP datasheet PDF?
The official ATSAME54P19A family datasheet (DS60001507E, SAM D5X/E5X Family datasheet covering the E54 sub-family) is available from Microchip's website at the link listed in our datasheet_url field. The datasheet covers all pinout, electrical characteristics, peripheral register maps, and reference schematics. For silicon errata, download the SAM D5x/E5x Family Silicon Errata and Data Sheet Clarification document, typically 20+ pages of revision notes.
Where can I find the ATSAME54P19A-AUT-EFP pinout diagram?
The pinout for the ATSAME54P19A-AUT-EFP in its 128-pin TQFP package is documented in section 9 (Pinout and Packaging) of the SAM E54 family datasheet. The package has 128 pins on a 0.4 mm pitch in a 14x14 mm body, with pin 1 marked by a dot at the top-left when the orientation notch faces up. The XAIPART package_svg_key 'tqfp-128' renders the standard 128-pin TQFP land pattern with numbered pins 1 through 128.
What is the difference between ATSAME54 and ATSAME53 families?
The ATSAME54 is the higher-end variant of Microchip's SAM D5x/E5x family, adding a 10/100 Ethernet MAC, USB High-Speed PHY, and CAN-FD interfaces that are not present on the ATSAME53. The ATSAME54 also integrates a hardware cryptographic accelerator (AES, SHA, TRNG) for secure connectivity. Both share the same Cortex-M4F core at 120 MHz, so performance is equivalent; the differentiation is in peripheral mix.
Is the ATSAME54P19A-AUT-EFP suitable for IoT edge applications?
Yes, the ATSAME54P19A-AUT-EFP is well suited for IoT edge applications because it combines the 120 MHz Cortex-M4F core, hardware crypto accelerator, USB High-Speed, Ethernet MAC, and CAN-FD in a single chip. Its Sleep/Idle/Standby modes with RTC retention below 5 uA enable battery-friendly field deployments. The Extended Flash Performance variant supports frequent OTA firmware updates without flash wear concerns.
What development tools support ATSAME54P19A-AUT-EFP?
The ATSAME54P19A-AUT-EFP is fully supported by Microchip's MPLAB X IDE and MPLAB Harmony 3 framework, providing peripheral libraries, drivers, and example projects for USB, Ethernet, CAN-FD, and FreeRTOS integration. Third-party toolchains including Arm Keil MDK, IAR Embedded Workbench, and Segger Embedded Studio also support the SAM E54 family. For hardware debugging, the SAM E54 Xplained Pro evaluation kit (ATSAME54-XPRO) provides on-board debugger and software framework examples.

داده‌های مرجع مهندسی برای ATSAME54P19A-AUT-EFP — مقایسه، راهنمای طراحی و اطلاعات انطباق.

راهنمای انتخاب

Choose the ATSAME54P19A-AUT-EFP when your design needs a 120 MHz Cortex-M4F MCU with 512 KB Flash, 192 KB SRAM, USB High-Speed, Ethernet MAC, CAN-FD, and hardware cryptographic acceleration in a 128-pin TQFP package with Extended Flash Performance for high-write-cycle endurance. It is the optimal choice for industrial gateways, automotive telematics, and IoT edge nodes running TLS-secured protocols with frequent OTA updates. Choose the ATSAME54P19A-AUT (standard flash) for cost-sensitive designs with infrequent firmware updates, the ATSAME54P19A-AU-EFP for tray-packaged industrial assemblies, the ATSAME54P20A-AUT when firmware requires more than 512 KB Flash (1 MB upgrade with pin-compatible footprint), or the ATSAMD51P19A-AUT when Ethernet is not required and a lower-cost SAM D51 variant suffices. For designs that need a smaller package, the ATSAME54N19A-AUT in 100-pin TQFP or the ATSAME53 family in 64-pin TQFP require PCB rework. No cross-brand drop-in exists in the same 128-TQFP package; STM32F427VIT6 or NXP MK64FN1M0VDC12 are functional alternatives but require schematic and firmware porting.

مقایسه با جایگزین‌ها

پارامتر این محصول 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)

تفاوت‌های کلیدی

  • Extended Flash Performance with 100k cycle endurance (در مقابلATSAME54P19A-AUT (standard grade))
  • Hardware cryptographic accelerator (AES/SHA/TRNG) (در مقابلATSAMD51P19A-AUT)
  • 128 KB SRAM buffer for TCP/IP stacks (در مقابلATSAME54P20A-AUT (256 KB SRAM, 1 MB Flash))

یادداشت‌های طراحی

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).

اطلاعات انطباق

RoHS
Compliant
REACH
Compliant
AEC-Q100
Qualified
بدون سرب
Yes
بدون هالوژن
Yes
مواد معدنی درگیری
Compliant

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.

تاریخ تأیید داده‌ها: 2026-09-21 — داده‌ها توسط تیم مهندسی قطعات XAIPART تأیید و گردآوری شده است

جستجوهای مرتبط

ATSAME54P19A-AUT-EFP ATSAME54P19A-AUT-EFP datasheet Microchip SAM E54 microcontroller 512KB flash 120 MHz Cortex-M4F MCU 128 TQFP ATSAME54P19A industrial gateway ATSAME54P19A-AUT-EFP vs ATSAME54P20A-AUT ATSAME54P19A-AUT-EFP price buy ATSAME54P19A-AUT-EFP pinout SAM E54 USB Ethernet CAN-FD MCU ATSAME54P19A-AUT-EFP drop-in replacement extended flash performance automotive MCU ATSAME54P19A-AUT-EFP lead time what is the Flash size of ATSAME54P19A Cortex-M4F MCU with hardware crypto AES SHA automotive telematics MCU OBD-II gateway

قطعات و اصطلاحات مرتبط

Microchip Technology ATSAME54P19A-AUT-EFP SAM E54 family ARM Cortex-M4F Floating Point Unit (FPU) 128-TQFP package TQFP (Thin Quad Flat Pack) USB 2.0 High-Speed 10/100 Ethernet MAC IEEE 1588 PTP CAN-FD AES-256 SHA-256 True Random Number Generator (TRNG) 12-bit ADC Dual 12-bit DAC FreeRTOS MPLAB X IDE MPLAB Harmony 3 AEC-Q100 automotive qualification RoHS REACH OTA firmware update industrial gateway automotive telematics
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