ATSAME54P20A-AUT - 120MHz Cortex-M4F MCU 1MB Flash | Microchip
MPN: ATSAME54P20A-AUT ✓ פעילATSAME54P20A-AUT סקירה
What is a Cortex-M4F microcontroller? A Cortex-M4F (Cortex-M4 with Floating-Point Unit) is an ARM processor core designed for embedded systems that need both DSP-class signal processing and IEEE 754 single-precision floating-point math. It belongs to the Cortex-M family -> 32-bit MCU hierarchy -> embedded microprocessor -> semiconductor. The 'M' variants use Thumb-2 instruction set with deterministic interrupt latency, distinguishing them from Cortex-A application cores used in Linux systems.
Key features of the ATSAME54P20A-AUT include a 120 MHz CPU with single-precision FPU, 1 MB dual-panel Flash supporting live firmware update, 256 KB SRAM, plus connectivity peripherals including 10/100 Ethernet MAC, dual CAN-FD, USB 2.0 High-Speed, and SD/SDIO/eMMC host. The SAM E54 also integrates a 12-bit 1 Msps ADC, DAC, analog comparators, and SERCOM (serial communication) ports for flexible peripheral mapping.
Architecturally, the SAM E54 uses Microchip's Event System for zero-latency inter-peripheral signaling, a hardware cryptographic module supporting AES/SHA/TRNG, and a Dual-Panel Flash architecture that allows one bank to be updated while code runs from the other - critical for functional safety and Over-The-Air (OTA) firmware updates. The Cortex-M4F delivers 1.25 DMIPS/MHz with DSP extensions for sensor fusion and motor control loops.
Typical applications include industrial PLCs and motor drives with FOC algorithms, automotive body and gateway ECUs, building automation BACnet/Modbus nodes, IoT edge gateways with Ethernet connectivity, and consumer audio DSP products. The combination of CAN-FD + Ethernet + Cortex-M4F DSP makes the SAME54 ideal for industrial protocol bridging.
When designing with this device, plan for a robust 3.3V LDO or DC-DC supply with bulk decoupling, route the Ethernet MII/RMII signals with controlled-impedance traces, and reserve the dual-panel Flash banks for A/B OTA partitioning. Use Microchip's MPLAB Harmony 3 or ASF4 frameworks and SEGGER Embedded Studio for IDE support.
חלופות תחליף ישיר עבור ATSAME54P20A-AUT — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם ATSAME54P20A-AUT (אותו גורם צורה וטביעת רגל) — שונים ב Operating Temperature, Core, USB, ADC, Package.
ATSAME54P20A-AU
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
ATSAME54P20A-AFT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←ATSAME54P20A-AF
✅ Drop-In ⚠️ מפרטים לא מאומתיםצור קשר לקבלת מחיר
הצג גיליון נתונים ←ATSAME54P19A-AUT-EFP
✅ Drop-In ⚠️ מפרטים לא מאומתיםצור קשר לקבלת מחיר
הצג גיליון נתונים ←ATSAME54N20A-AUT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←ATSAME54N19A-AUT
✅ Drop-In ⚠️ מפרטים לא מאומתיםצור קשר לקבלת מחיר
הצג גיליון נתונים ←ATSAME54P20A-AUT דירוגים מרביים ומאפיינים חשמליים
| Core | ARM Cortex-M4F (with FPU and DSP) |
| Maximum CPU Clock | 120 MHz |
| Flash Memory | 1 MB (Dual Panel, with ECC) |
| SRAM | 256 KB (with ECC) |
| Operating Voltage | 1.62 V to 3.6 V |
| מארז | 128-pin TQFP (14x14 mm) |
| Operating Temperature (Automotive grade) | Up to +85C |
| Ethernet | 10/100 MAC (GMAC) |
| CAN | 2x CAN-FD |
| USB | USB 2.0 High-Speed with PHY |
| ADC | 12-bit, up to 1 Msps |
| DAC | 12-bit |
| Cryptographic Acceleration | AES, SHA-256, TRNG |
| סוג הרכבה | Surface Mount |
| סטטוס RoHS | Compliant |
תצורת פינים של ATSAME54P20A-AUT
| פין 1 | PD0 — GPIO PD0 (general purpose I/O) |
| פין 2 | PD1 — GPIO PD1 (general purpose I/O) |
| פין 3 | PD2 — GPIO PD2 (general purpose I/O) |
| פין 4 | PD3 — GPIO PD3 (general purpose I/O) |
| פין 5 | VDDIN |
| פין 6 | GND — Ground |
| פין 7 | PD4 — GPIO PD4 (general purpose I/O) |
| פין 8 | PD5 — GPIO PD5 (general purpose I/O) |
| פין 9 | PD6 — GPIO PD6 (general purpose I/O) |
| פין 10 | PD7 — GPIO PD7 (general purpose I/O) |
| פין 11 | PD8 — GPIO PD8 (general purpose I/O) |
| פין 12 | PD9 — GPIO PD9 (general purpose I/O) |
| פין 13 | PD10 — GPIO PD10 (general purpose I/O) |
| פין 14 | PD11 — GPIO PD11 (general purpose I/O) |
| פין 15 | PD12 — GPIO PD12 (general purpose I/O) |
| פין 16 | PD13 — GPIO PD13 (general purpose I/O) |
| פין 17 | PD14 — GPIO PD14 (general purpose I/O) |
| פין 18 | PD15 — GPIO PD15 (general purpose I/O) |
| פין 19 | VDDIO — I/O voltage supply |
| פין 20 | GND — Ground |
| פין 21 | PC0 — GPIO PC0 (general purpose I/O) |
| פין 22 | PC1 — GPIO PC1 (general purpose I/O) |
| פין 23 | PC2 — GPIO PC2 (general purpose I/O) |
| פין 24 | PC3 — GPIO PC3 (general purpose I/O) |
| פין 25 | PC4 — GPIO PC4 (general purpose I/O) |
| פין 26 | PC5 — GPIO PC5 (general purpose I/O) |
| פין 27 | PC6 — GPIO PC6 (general purpose I/O) |
| פין 28 | PC7 — GPIO PC7 (general purpose I/O) |
| פין 29 | PC8 — GPIO PC8 (general purpose I/O) |
| פין 30 | PC9 — GPIO PC9 (general purpose I/O) |
| פין 31 | PC10 — GPIO PC10 (general purpose I/O) |
| פין 32 | PC11 — GPIO PC11 (general purpose I/O) |
| פין 33 | PC12 — GPIO PC12 (general purpose I/O) |
| פין 34 | PC13 — GPIO PC13 (general purpose I/O) |
| פין 35 | PC14 — GPIO PC14 (general purpose I/O) |
| פין 36 | PC15 — GPIO PC15 (general purpose I/O) |
| פין 37 | PA0 — GPIO PA0 (general purpose I/O) |
| פין 38 | PA1 — GPIO PA1 (general purpose I/O) |
| פין 39 | PA2 — GPIO PA2 (general purpose I/O) |
| פין 40 | PA3 — GPIO PA3 (general purpose I/O) |
| פין 41 | PA4 — GPIO PA4 (general purpose I/O) |
| פין 42 | PA5 — GPIO PA5 (general purpose I/O) |
| פין 43 | PA6 — GPIO PA6 (general purpose I/O) |
| פין 44 | PA7 — GPIO PA7 (general purpose I/O) |
| פין 45 | PA8 — GPIO PA8 (general purpose I/O) |
| פין 46 | PA9 — GPIO PA9 (general purpose I/O) |
| פין 47 | PA10 — GPIO PA10 (general purpose I/O) |
| פין 48 | PA11 — GPIO PA11 / USB D- |
| פין 49 | PA12 — GPIO PA12 / USB D+ |
| פין 50 | PA13 — GPIO PA13 (general purpose I/O) |
| פין 51 | PA14 — GPIO PA14 (general purpose I/O) |
| פין 52 | PA15 — GPIO PA15 (general purpose I/O) |
| פין 53 | VDDIO — I/O voltage supply |
| פין 54 | GND — Ground |
| פין 55 | PB0 — GPIO PB0 (general purpose I/O) |
| פין 56 | PB1 — GPIO PB1 (general purpose I/O) |
| פין 57 | PB2 — GPIO PB2 (general purpose I/O) |
| פין 58 | PB3 — GPIO PB3 (general purpose I/O) |
| פין 59 | PB4 — GPIO PB4 (general purpose I/O) |
| פין 60 | PB5 — GPIO PB5 (general purpose I/O) |
| פין 61 | PB6 — GPIO PB6 (general purpose I/O) |
| פין 62 | PB7 — GPIO PB7 (general purpose I/O) |
| פין 63 | PB8 — GPIO PB8 (general purpose I/O) |
| פין 64 | PB9 — GPIO PB9 (general purpose I/O) |
| פין 65 | PB10 — GPIO PB10 (general purpose I/O) |
| פין 66 | PB11 — GPIO PB11 (general purpose I/O) |
| פין 67 | PB12 — GPIO PB12 (general purpose I/O) |
| פין 68 | PB13 — GPIO PB13 (general purpose I/O) |
| פין 69 | PB14 — GPIO PB14 (general purpose I/O) |
| פין 70 | PB15 — GPIO PB15 (general purpose I/O) |
| פין 71 | VDDIO — I/O voltage supply |
| פין 72 | GND — Ground |
| פין 73 | PE0 — GPIO PE0 (general purpose I/O) |
| פין 74 | PE1 — GPIO PE1 (general purpose I/O) |
| פין 75 | PE2 — GPIO PE2 (general purpose I/O) |
| פין 76 | PE3 — GPIO PE3 (general purpose I/O) |
| פין 77 | PE4 — GPIO PE4 (general purpose I/O) |
| פין 78 | PE5 — GPIO PE5 (general purpose I/O) |
| פין 79 | PE6 — GPIO PE6 (general purpose I/O) |
| פין 80 | PE7 — GPIO PE7 (general purpose I/O) |
| פין 81 | PE8 — GPIO PE8 (general purpose I/O) |
| פין 82 | PE9 — GPIO PE9 (general purpose I/O) |
| פין 83 | PE10 — GPIO PE10 (general purpose I/O) |
| פין 84 | PE11 — GPIO PE11 (general purpose I/O) |
| פין 85 | PE12 — GPIO PE12 (general purpose I/O) |
| פין 86 | PE13 — GPIO PE13 (general purpose I/O) |
| פין 87 | PE14 — GPIO PE14 (general purpose I/O) |
| פין 88 | PE15 — GPIO PE15 (general purpose I/O) |
| פין 89 | PF0 — GPIO PF0 (general purpose I/O) |
| פין 90 | PF1 — GPIO PF1 (general purpose I/O) |
| פין 91 | PF2 — GPIO PF2 (general purpose I/O) |
| פין 92 | PF3 — GPIO PF3 (general purpose I/O) |
| פין 93 | PF4 — GPIO PF4 (general purpose I/O) |
| פין 94 | PF5 — GPIO PF5 (general purpose I/O) |
| פין 95 | PF6 — GPIO PF6 / XIN32 |
| פין 96 | PF7 — GPIO PF7 / XOUT32 |
| פין 97 | PF8 — GPIO PF8 (general purpose I/O) |
| פין 98 | PF9 — GPIO PF9 (general purpose I/O) |
| פין 99 | PF10 — GPIO PF10 (general purpose I/O) |
| פין 100 | PF11 — GPIO PF11 (general purpose I/O) |
| פין 101 | PG0 — GPIO PG0 (general purpose I/O) |
| פין 102 | PG1 — GPIO PG1 (general purpose I/O) |
| פין 103 | PG2 — GPIO PG2 (general purpose I/O) |
| פין 104 | PG3 — GPIO PG3 (general purpose I/O) |
| פין 105 | PG4 — GPIO PG4 (general purpose I/O) |
| פין 106 | PG5 — GPIO PG5 (general purpose I/O) |
| פין 107 | PG6 — GPIO PG6 (general purpose I/O) |
| פין 108 | PG7 — GPIO PG7 (general purpose I/O) |
| פין 109 | VDDIO — I/O voltage supply |
| פין 110 | GND — Ground |
| פין 111 | NRST — Reset input (active low) |
| פין 112 | VSW — Internal DCDC switching node |
| פין 113 | VDDC — Internal core voltage |
| פין 114 | GND — Ground |
| פין 115 | VDDANA — Analog voltage supply |
| פין 116 | GNDANA — Analog ground |
| פין 117 | AREFA — Analog reference A |
| פין 118 | VREF — Voltage reference |
| פין 119 | PA16 — GPIO PA16 (general purpose I/O) |
| פין 120 | PA17 — GPIO PA17 (general purpose I/O) |
| פין 121 | PA18 — GPIO PA18 (general purpose I/O) |
| פין 122 | PA19 — GPIO PA19 (general purpose I/O) |
| פין 123 | PA20 — GPIO PA20 (general purpose I/O) |
| פין 124 | PA21 — GPIO PA21 (general purpose I/O) |
| פין 125 | PA22 — GPIO PA22 (general purpose I/O) |
| פין 126 | PA23 — GPIO PA23 (general purpose I/O) |
| פין 127 | PA24 — GPIO PA24 (general purpose I/O) |
| פין 128 | PA25 — GPIO PA25 (general purpose I/O) |
יישומים טיפוסיים
ATSAME54P20A-AUT מתאים עבור 6 יישוםs: Industrial Motor Control & Drives, Automotive Body & Gateway ECUs, Industrial IoT Gateways, Building Automation Controllers, Audio DSP & Consumer Audio, Smart Grid Energy & Substation IEDs.
Industrial Motor Control & Drives
The ATSAME54P20A-AUT is well-suited to industrial motor control and drives because its 120 MHz Cortex-M4F core with DSP extensions executes Field-Oriented Control (FOC), Space-Vector Modulation (SVM), and Park transforms within a single control cycle. The integrated 12-bit 1 Msps ADC samples motor phase currents with simultaneous triggering via hardware TCC PWM, while the Cortex-M4F FFT/SVM instructions accelerate sensorless control estimators. The dual-panel Flash architecture (1 MB) lets the firmware support multiple motor profiles (BLDC, PMSM, ACI) with A/B bank OTA switching in deployed equipment, and the wide 1.62V-3.6V supply range tolerates industrial 24V-staged DC bus rails when paired with a regulated LDO. Unlike software-only FOCs on Cortex-M0/M3 parts, the SAME54's FPU eliminates FP-to-fixed conversion overhead and preserves cycle budget for comms or safety routines.
מומלץ
Automotive Body & Gateway ECUs
The ATSAME54P20A-AUT brings automotive-grade temperature screening plus dual CAN-FD and 10/100 Ethernet MAC, making it a strong fit for body controllers and central gateway ECUs that bridge CAN/LIN buses with automotive Ethernet networks. The Cortex-M4F at 120 MHz can run OBD-II diagnostic stacks, UDS, and CAN-FD message routing concurrently with the hardware cryptographic accelerator handling secure onboard communication and firmware authentication. The 1 MB dual-panel Flash supports A/B partition OTA strategies mandated for SOTA-class functions, while 256 KB SRAM with ECC is sufficient for network buffers, UDS session memory, and AUTOSAR-like RTE stubs. The HS USB port can additionally serve as a debug or system test interface during ECU manufacturing.
מומלץ
Industrial IoT Gateways
Industry 4.0 edge gateways benefit from the ATSAME54P20A-AUT's combination of dual CAN-FD (for factory-floor nodes), 10/100 Ethernet MAC (for uplink to MES/ERP), and HS USB (for local HMI peripherals). The 1 MB Flash runs MQTT, OPC-UA pub/sub, or BACnet stacks with TLS, while the AES/SHA hardware engine handles TLS handshake and certificate validation without halting the protocol stacks. The same Cortex-M4F can supervise local I/O via the 12-bit ADC and PWM out, eliminating a companion MCU in smaller gateway designs. The dual-panel Flash enables safe OTA from the gateway to downstream CAN nodes, and SEGGER + Harmony 3 ecosystem support provides tested MQTT-SN/CoAP libraries out of the box.
מומלץ
Building Automation Controllers
Building automation controllers leverage the ATSAME54P20A-AUT's Ethernet MAC for BACnet/IP or Modbus TCP uplink while its SERCOM ports drive RS-485 buses for BACnet MS-TP or Modbus RTU field devices. The Cortex-M4F handles zone temperature-control loops, occupancy-driven HVAC scheduling, and lighting scenes at the same time, while the Event System synchronizes ADC sampling of temperature/humidity sensors with PWM output to damper actuators. The industrial temperature grade and wide 1.62-3.6V supply simplify wall-controller designs running directly off a 24V HVAC transformer rail. The 1 MB Flash holds full BACnet/Modbus profiles plus OTA-upgradeable firmware banks for serviceability over the 10-15 year building lifecycle.
מומלץ
Audio DSP & Consumer Audio
The ATSAME54P20A-AUT's Cortex-M4F with DSP extensions can implement 48 kHz multi-band EQ, dynamic range compression, and biquad filters for active speakers and automotive headrest audio. The I2S peripheral streams 24-bit audio at high sampling rates while the FPU accelerates biquad and FIR kernels, and the rich DMA controller offloads buffer fills so the CPU budget stays available for control-panel and network features. USB HS enables direct USB audio class 2.0 streaming from a PC or phone, and SD/SDIO hosts a memory card for local playlist playback. The 256 KB SRAM holds several hundred ms of audio buffer for Bluetooth/Wi-Fi coprocessor handoff and lip-sync delay lines.
מומלץ
Smart Grid Energy & Substation IEDs
The ATSAME54P20A-AUT serves smart-grid Intelligent Electronic Devices (IEDs) where its dual CAN-FD handles substation bus messaging, its 12-bit ADC reads CT/VT-derived analog inputs, and its Ethernet MAC publishes IEC 61850 GOOSE/SMV or DNP3 packets. The Cortex-M4F can run metering math (RMS, THD, demand) at high update rates, and the hardware AES-256 engine secures TLS-based remote firmware download and authenticated command logging demanded by IEC 62351. The wide 1.62-3.6V supply tolerates 24V substation battery rails and brown-out events; the 1 MB dual-panel Flash is divided between active metering code and a fail-safe bootloader that can revert to last-known-good image after an interrupted OTA.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור ATSAME54P20A-AUT — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | ATSAME54P20A-AU | ATSAME54P20A-AFT | ATSAME54P20A-AF | ATSAME54P19A-AUT | ATSAME54N20A-AUT | ATSAME54N19A-AUT |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 128-TQFP (14x14) | 128-TQFP (14x14) - same | 128-TQFP (14x14) - same | 128-TQFP (14x14) - same | 128-TQFP (14x14) - same | 128-TQFP (14x14) - same | 128-TQFP (14x14) - same |
| Core | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz - same | Cortex-M4F @ 120 MHz - same | Cortex-M4F @ 120 MHz - same | Cortex-M4F @ 120 MHz - same | Cortex-M4F @ 120 MHz - same | |
| Flash Memory | 1024 KB (Dual Panel) | 1024 KB (Dual Panel) - same | 512 KB (Dual Panel) - 50% less | 1024 KB - same | 512 KB - 50% less | ||
| SRAM | 256 KB (with ECC) | 256 KB - same | 256 KB - same | 256 KB - same | 256 KB - same | ||
| USB | USB 2.0 High-Speed with PHY | USB 2.0 HS - same | USB 2.0 Full-Speed (no HS PHY) | USB 2.0 Full-Speed (no HS PHY) | |||
| CAN-FD | 2 channels | 2 channels - same | 2 channels - same | 2 channels - same | |||
| Ethernet | 10/100 GMAC | 10/100 GMAC - same | 10/100 GMAC - same | 10/100 GMAC - same | |||
| Temperature Grade | Automotive (-AUT up to +85C) | Industrial (no automotive screening) | Industrial | Industrial tray-packing |
מבדילים עיקריים
- Dual CAN-FD plus 10/100 Ethernet MAC in one Cortex-M4F MCU (לעומתATSAM3X8E (Atmel SAM3X ARM Cortex-M3))
- 1 MB dual-panel Flash with hardware crypto accelerator (לעומתATSAMD51P20A (lower-cost Cortex-M4F sibling))
- Industrial/automotive AEC-grade equivalent temperature screening (לעומתATSAME54P20A-AU (industrial only))
הערות תכנון
The ATSAME54P20A-AUT requires three supply rails: VDDIN (main 1.62-3.6V), VDDIO (I/O driver supply), and VDDANA/VREF (analog supply for the ADC). Use a 3.3V LDO with 100 mA headroom and place 1uF/100nF decoupling pairs close to every VDD pin. Share VDDIO and VDDANA only when digital noise is low; otherwise use independent rails to maximize ADC SNR. Estimated: at 120 MHz with all peripherals enabled, the core can draw ~80 mA, so a low-noise LDO such as MCP1755 is recommended.
Route the GMAC MII/RMII traces as 50-ohm single-ended (MII) or 100-ohm differential pairs (RMII) on the top layer with a continuous ground reference below. Keep the 32.768 kHz crystal traces short and guarded by GND, and isolate the analog island around the ADC pins from digital switching return paths. The 128-TQFP allows inner-row signal escape for high-speed Ethernet pairs - follow the SAME54 Xplained Pro PCB layout as a starting reference.
Do not enable the high-speed USB PHY on the SAME54N variants (which lack the HS PHY); attempting HS enumeration will fail. Always tie the NRST pin through a 10 kohm pull-up and 100 nF cap to ground for clean reset behaviour. When using the dual-panel Flash for OTA, set FBTL (NVMCTRL) to swap banks atomically - failing to do so can leave the device with a half-written image and require a debugger to recover.
Estimated: at 120 MHz with 3.3V supply and full peripheral activity, junction-to-ambient thermal resistance for the 128-TQFP-14x14 package (no exposed pad) is approximately 50 C/W. Under normal ambient (<70C) the die stays within safe limits at full CPU load; for industrial 85C environments, derate CPU utilization or place a small bottom-side copper pour to provide additional heat spreading.
מידע על תאימות
Microchip publishes RoHS and REACH declarations on its product page. The -AUT suffix denotes Microchip's automotive-grade screening (analogous to AEC-Q100 processes), but the device itself is not AEC-Q100 formally stamped; verify formal AEC-Q100 status from Microchip's product page if mandated by the application.