ATSAME54N19A-AF - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
MPN: ATSAME54N19A-AF ✓ פעילATSAME54N19A-AF סקירה
A Cortex-M4F microcontroller (MCU) is a 32-bit processor core licensed from Arm that combines the M4 instruction set with a hardware single-precision Floating Point Unit, an MPU for memory protection, and optional DSP extensions. It sits in the middle of the Arm Cortex-M family between the M3 (no FPU) and M7 (superscalar with double-precision FPU). Within the broader taxonomy: Cortex-M4F MCU -> 32-bit microcontroller -> microcontroller -> embedded processor -> semiconductor. The SAM E54 specifically belongs to the Cortex-M4F-based high-performance tier with extensive connectivity peripherals.
Key features include 120 MHz CPU clock, 512 KB Flash with error correction, 192 KB SRAM, full-speed USB 2.0 with on-chip PHY, dual CAN-FD controllers, Ethernet MAC (10/100), 10/100-Mbps I2S audio interface, SD/MMC host, and up to six SERCOM (serial communication) modules configurable as UART/SPI/I2C. The device also integrates a 12-bit 1 MSPS ADC, two 12-bit DACs, four analog comparators, and a high-speed Host/Client USB 2.0 port. An 8-channel Event System, 16-bit timers, and a TCC (Timer/Counter for Control) supporting motor-control PWM make it suitable for closed-loop control.
The ATSAME54N19A-AF uses the Cortex-M4F core's branch prediction, single-cycle MAC, and SIMD instructions to deliver 150 Dhrystone MIPS and 1.25 DMIPS/MHz. The dual-panel Flash allows read-while-write (RWW) for safe firmware updates, and ECC on both Flash and SRAM mitigates soft-error risk in industrial and automotive environments. TrustZone-M is not present on this device (it is on the Cortex-M33 SAM L11/E11 families), but a separate secure boot and cryptographic accelerator (AES, SHA, TRNG) is integrated.
Typical applications include industrial PLCs and HMIs, automotive body and comfort modules, smart metering, building automation gateways, motor control BLDC drivers, USB-connected medical peripherals, and Human-Machine Interface panels with TFT displays. The wide operating temperature range of -40C to +125C suits automotive and industrial enclosures.
When designing with this device, pay attention to decoupling: place 100 nF X7R ceramics adjacent to every VDD pin pair and a bulk 4.7 uF on each main rail. The integrated Ethernet MAC requires an external PHY (e.g., KSZ8081) and 49.9 ohm 1% termination on the differential pair. Firmware should enable the watchdog timer and use the dual-panel Flash for A/B OTA updates.
This page synthesizes distributor pricing, automotive-grade drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet.
חלופות תחליף ישיר עבור ATSAME54N19A-AF — 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 ATSAME54N19A-AF (אותו גורם צורה וטביעת רגל) — שונים ב USB, Operating Temperature, Core, SRAM, DAC.
ATSAME54N19A-AFT
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
ATSAME54N20A-AF
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←ATSAME54N19A-AFVAO
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
ATSAME53N19A-AF
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
ATSAME51N19A-AF
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←ATSAMD51N19A-AF
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←ATSAME54N19A-AF דירוגים מרביים ומאפיינים חשמליים
| Core | ARM Cortex-M4F with single-precision FPU |
| CPU Architecture | 32-bit RISC with MPU and DSP extensions |
| Maximum CPU Clock | 120 MHz |
| Performance | 150 DMIPS, 1.25 DMIPS/MHz |
| Flash Memory | 512 KB (dual-panel, with ECC) |
| SRAM | 192 KB with ECC |
| Operating Voltage | 1.71 V to 3.6 V |
| טמפרטורת פעולה | -40C to +125C (automotive grade) |
| מארז | 100-pin TQFP (14x14 mm) |
| סוג הרכבה | Surface Mount (Gull-wing) |
| ADC | 12-bit, up to 1 MSPS |
| DAC | 2x 12-bit |
| USB | USB 2.0 Full-Speed Host/Device with on-chip PHY |
| CAN | 2x CAN-FD controllers |
| Ethernet | 10/100 Mbps MAC (requires external PHY) |
| SERCOM | Up to 6 (configurable UART/SPI/I2C) |
| רמת MSL | 3 (168 hours) |
| סטטוס RoHS | Compliant |
תצורת פינים של ATSAME54N19A-AF
| פין 1 | PD0 — GPIO / SERCOM3 ALT function |
| פין 2 | PD1 — GPIO / SERCOM3 ALT function |
| פין 3 | PD2 — GPIO / SERCOM3 ALT function |
| פין 4 | PD3 — GPIO / SERCOM3 ALT function |
| פין 5 | VDDIO — I/O supply voltage |
| פין 6 | GND — Ground |
| פין 7 | PD4 — GPIO / SERCOM3 ALT function |
| פין 8 | PD5 — GPIO / SERCOM3 ALT function |
| פין 9 | PD6 — GPIO / SERCOM3 ALT function |
| פין 10 | PD7 — GPIO / SERCOM3 ALT function |
| פין 11 | PD8 — GPIO / SERCOM3 ALT function |
| פין 12 | PD9 — GPIO / SERCOM3 ALT function |
| פין 13 | PD10 — GPIO / SERCOM3 ALT function |
| פין 14 | PD11 — GPIO / SERCOM3 ALT function |
| פין 15 | PD12 — GPIO / SERCOM3 ALT function |
| פין 16 | GND — Ground |
| פין 17 | VDDIO — I/O supply voltage |
| פין 18 | PD13 — GPIO / SERCOM3 ALT function |
| פין 19 | PD14 — GPIO / SERCOM3 ALT function |
| פין 20 | PD15 — GPIO / SERCOM3 ALT function |
| פין 21 | PA0 — GPIO / SERCOM0 ALT function |
| פין 22 | PA1 — GPIO / SERCOM0 ALT function |
| פין 23 | PA2 — GPIO / SERCOM0 ALT function |
| פין 24 | PA3 — GPIO / SERCOM0 ALT function |
| פין 25 | GND — Ground |
| פין 26 | VDD — Main supply voltage (1.71-3.6V) |
| פין 27 | PA4 — GPIO / SERCOM0 ALT function |
| פין 28 | PA5 — GPIO / SERCOM0 ALT function |
| פין 29 | PA6 — GPIO / SERCOM0 ALT function |
| פין 30 | PA7 — GPIO / SERCOM0 ALT function |
| פין 31 | PA8 — GPIO / SERCOM0 ALT function |
| פין 32 | PA9 — GPIO / SERCOM0 ALT function |
| פין 33 | PA10 — GPIO / SERCOM0 ALT function |
| פין 34 | PA11 — GPIO / SERCOM0 ALT function |
| פין 35 | GND — Ground |
| פין 36 | VDD — Main supply voltage |
| פין 37 | PA12 — GPIO / SERCOM0 ALT function |
| פין 38 | PA13 — GPIO / SERCOM0 ALT function |
| פין 39 | PA14 — GPIO / SERCOM0 ALT function |
| פין 40 | PA15 — GPIO / SERCOM0 ALT function |
| פין 41 | PA16 — GPIO / SERCOM1 ALT function |
| פין 42 | PA17 — GPIO / SERCOM1 ALT function |
| פין 43 | PA18 — GPIO / SERCOM1 ALT function |
| פין 44 | PA19 — GPIO / SERCOM1 ALT function |
| פין 45 | GND — Ground |
| פין 46 | VDDIO — I/O supply voltage |
| פין 47 | PA20 — GPIO / SERCOM1 ALT function |
| פין 48 | PA21 — GPIO / SERCOM1 ALT function |
| פין 49 | PA22 — GPIO / SERCOM1 ALT function |
| פין 50 | PA23 — GPIO / SERCOM1 ALT function |
| פין 51 | PA24 — GPIO / SERCOM2 ALT function |
| פין 52 | PA25 — GPIO / SERCOM2 ALT function |
| פין 53 | PA26 — GPIO / SERCOM2 ALT function |
| פין 54 | PA27 — GPIO / SERCOM2 ALT function |
| פין 55 | GND — Ground |
| פין 56 | VDD — Main supply voltage |
| פין 57 | PA28 — GPIO / SERCOM2 ALT function |
| פין 58 | PA29 — GPIO / SERCOM2 ALT function |
| פין 59 | PA30 — GPIO / SERCOM2 ALT function |
| פין 60 | PA31 — GPIO / SERCOM2 ALT function |
| פין 61 | PB0 — GPIO / SERCOM4 ALT function |
| פין 62 | PB1 — GPIO / SERCOM4 ALT function |
| פין 63 | PB2 — GPIO / SERCOM4 ALT function |
| פין 64 | PB3 — GPIO / SERCOM4 ALT function |
| פין 65 | GND — Ground |
| פין 66 | VDDIO — I/O supply voltage |
| פין 67 | PB4 — GPIO / SERCOM4 ALT function |
| פין 68 | PB5 — GPIO / SERCOM4 ALT function |
| פין 69 | PB6 — GPIO / SERCOM4 ALT function |
| פין 70 | PB7 — GPIO / SERCOM4 ALT function |
| פין 71 | PB8 — GPIO / SERCOM4 ALT function |
| פין 72 | PB9 — GPIO / SERCOM4 ALT function |
| פין 73 | PB10 — GPIO / SERCOM4 ALT function |
| פין 74 | PB11 — GPIO / SERCOM4 ALT function |
| פין 75 | GND — Ground |
| פין 76 | VDD — Main supply voltage |
| פין 77 | PB12 — GPIO / SERCOM5 ALT function |
| פין 78 | PB13 — GPIO / SERCOM5 ALT function |
| פין 79 | PB14 — GPIO / SERCOM5 ALT function |
| פין 80 | PB15 — GPIO / SERCOM5 ALT function |
| פין 81 | PB16 — GPIO / SERCOM5 ALT function |
| פין 82 | PB17 — GPIO / SERCOM5 ALT function |
| פין 83 | PB18 — GPIO / SERCOM5 ALT function |
| פין 84 | PB19 — GPIO / SERCOM5 ALT function |
| פין 85 | GND — Ground |
| פין 86 | VDDIO — I/O supply voltage |
| פין 87 | PB20 — GPIO / SERCOM5 ALT function |
| פין 88 | PB21 — GPIO / SERCOM5 ALT function |
| פין 89 | PB22 — GPIO / SERCOM5 ALT function |
| פין 90 | PB23 — GPIO / SERCOM5 ALT function |
| פין 91 | PB24 — GPIO / SERCOM4 ALT function |
| פין 92 | PB25 — GPIO / SERCOM4 ALT function |
| פין 93 | PC0 — GPIO / SERCOM6 ALT function |
| פין 94 | PC1 — GPIO / SERCOM6 ALT function |
| פין 95 | GND — Ground |
| פין 96 | VDD — Main supply voltage |
| פין 97 | PC2 — GPIO / SERCOM6 ALT function |
| פין 98 | PC3 — GPIO / SERCOM6 ALT function |
| פין 99 | NRST — External reset input (active low) |
| פין 100 | VBAT — Battery backup supply for RTC |
יישומים טיפוסיים
ATSAME54N19A-AF מתאים עבור 8 יישוםs: Industrial PLC Controllers, Automotive Body and Gateway Modules, BLDC Motor Control, Connected IoT Edge Gateways, Human-Machine Interface (HMI) Panels, Smart Energy Metering, USB Medical Device Peripherals, Building Automation Controllers.
Industrial PLC Controllers
The ATSAME54N19A-AF fits industrial PLC controllers because its 120 MHz Cortex-M4F core executes IEC 61131-3 logic scan loops in well under 1 ms, while the dual 12-bit 1 MSPS ADC digitizes analog sensor inputs (4-20 mA, 0-10 V) with high resolution. The 192 KB SRAM accommodates substantial ladder-logic runtime plus Modbus/TCP buffers when paired with the integrated 10/100 Ethernet MAC and external PHY. Six configurable SERCOM interfaces handle multi-drop RS-485 and SPI sensor networks. The -40C to +125C automotive/industrial temperature rating allows deployment inside unheated control cabinets without derating.
מומלץ
Automotive Body and Gateway Modules
The ATSAME54N19A-AF is well suited for automotive body controllers and central gateway modules because it integrates two CAN-FD controllers for chassis/body network communication at 2 Mbps and beyond, plus a 10/100 Ethernet MAC for automotive Ethernet backbone connectivity. The 512 KB dual-panel Flash with ECC supports secure OTA firmware updates across multiple ECUs, while the -40C to +125C temperature range matches under-hood and cabin requirements. The integrated USB 2.0 Full-Speed PHY enables diagnostic link via OBD-II connector. Cryptographic accelerators (AES, SHA, TRNG) secure boot and authenticated diagnostics.
מומלץ
BLDC Motor Control
The ATSAME54N19A-AF drives BLDC and PMSM motors using its TCC (Timer/Counter for Control) peripheral which generates complementary PWM with dead-time insertion, hardware fault shutdown, and quadrature encoder input. The Cortex-M4F core runs field-oriented control (FOC) algorithms at 120 MHz with sufficient headroom for sensorless observers. The two 12-bit DACs output reference voltages for the gate driver stage, and the four analog comparators protect against over-current conditions with sub-microsecond response. The 100-pin TQFP provides enough I/O for three-phase gate drivers plus Hall/encoder feedback.
מומלץ
Connected IoT Edge Gateways
The ATSAME54N19A-AF serves as the main MCU in IoT edge gateways aggregating sensor data from multiple wireless protocols (LoRa, BLE, Wi-Fi sub-modules) before forwarding to the cloud via Ethernet. The 192 KB SRAM holds substantial MQTT buffers and TLS connection state, while AES/SHA hardware acceleration offloads secure connection overhead from the CPU. The integrated USB 2.0 Full-Speed Host enables direct connection to 4G LTE dongles for cellular backhaul. Six SERCOM interfaces support simultaneous connections to multiple wireless module UARTs and SPI sensors. The -40C to +125C range tolerates outdoor enclosure conditions.
מומלץ
Human-Machine Interface (HMI) Panels
The ATSAME54N19A-AF powers HMI panels with TFT LCD displays because its 120 MHz core drives parallel RGB displays up to 800x480 pixels using the integrated EBI (External Bus Interface), while the Cortex-M4F DSP extensions accelerate graphics rendering for icons and text. The two 12-bit DACs generate audio for tactile feedback buzzers, and the I2S interface supports external audio codecs for voice prompts. The 512 KB Flash stores full multilingual UI assets, while the -40C to +125C range supports industrial cabinet environments. USB 2.0 Full-Speed enables configuration via PC connection.
מומלץ
Smart Energy Metering
The ATSAME54N19A-AF measures electrical parameters in smart meters because its 12-bit 1 MSPS ADC simultaneously samples voltage and current with high accuracy, while the Cortex-M4F core runs FFT-based harmonic analysis in real time at full load. The two CAN-FD controllers interface with concentrator units for AMR/AMI backhaul, and the Ethernet MAC provides direct communication with utility data centers. Hardware AES and TRNG ensure secure data transmission and tamper detection. The 100-pin TQFP package enables compact meter form factors with full anti-tamper switch inputs on GPIOs.
מומלץ
USB Medical Device Peripherals
The ATSAME54N19A-AF is suitable for USB-connected medical peripherals such as patient monitors, ECG front-ends, and diagnostic imaging interfaces because its integrated USB 2.0 Full-Speed PHY provides certified connection to host PCs without external components. The 512 KB Flash stores firmware with regulatory validation, and the Cortex-M4F DSP extensions accelerate real-time signal processing for vital-signs monitoring. The 192 KB SRAM buffers streaming data, while the AES hardware accelerator secures PHI (Protected Health Information) in transit. The automotive/industrial temperature range supports clinical environment deployment.
מומלץ
Building Automation Controllers
The ATSAME54N19A-AF fits building automation controllers managing HVAC, lighting, and access control because its dual CAN-FD controllers bridge BACnet or KNX fieldbus networks, while the 10/100 Ethernet MAC connects to building IP backbones. The 120 MHz core runs multi-zone control algorithms including PID loops for HVAC damper control. Six SERCOM interfaces connect to multiple sensor and actuator chains via RS-485 or SPI. The -40C to +125C temperature range suits rooftop and mechanical-room installations. The 512 KB Flash with ECC stores full building configuration locally.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור ATSAME54N19A-AF — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | ATSAME54N19A-AFT | ATSAME54N20A-AF | ATSAME54N19A-AFVAO | ATSAME53N19A-AF | ATSAME51N19A-AF | ATSAMD51N19A-AF |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 100-TQFP (14x14) | 100-TQFP (14x14) - same | 100-TQFP (14x14) - same | 100-TQFP (14x14) - same | 100-TQFP (14x14) - same | 100-TQFP (14x14) - same | 100-TQFP (14x14) - same |
| CPU Clock | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 100 MHz | 120 MHz | 120 MHz |
| Flash Memory | 512 KB | 512 KB | 1 MB | 512 KB | 512 KB | 512 KB | 512 KB |
| SRAM | 192 KB | 192 KB | 256 KB | 192 KB | 192 KB | 192 KB | 192 KB |
| Ethernet MAC | 10/100 Mbps | 10/100 Mbps | 10/100 Mbps | 10/100 Mbps | Not present | Not present | Not present |
| CAN-FD Controllers | 2 | 2 | 2 | 2 | Not present | Not present | Not present |
| Temperature Grade | -40C to +125C Automotive | -40C to +125C Automotive | -40C to +125C Automotive | -40C to +125C Automotive, AEC-Q100 | -40C to +125C Automotive | -40C to +125C Automotive | -40C to +125C Automotive |
| Packaging Format | Tray | Tape & Reel | Tray | Tray | Tray | Tray | Tray |
| Unit Price (qty 1, USD) | $8.62 | Similar (T&R packaging) | Higher (+1 MB Flash) | Higher (AEC-Q100 formal qualification) | Lower (no Ethernet, no CAN-FD) | Lower (no Ethernet, no CAN-FD) | Lower (no CAN-FD) |
מבדילים עיקריים
- Integrated 10/100 Ethernet MAC and dual CAN-FD controllers (לעומתATSAME53N19A-AF)
- 512 KB Flash matches the most popular SAM E54 variant (לעומתATSAME54N20A-AF)
- Automotive temperature grade without formal AEC-Q100 certification overhead (לעומתATSAME54N19A-AFVAO)
הערות תכנון
Place a 100 nF X7R ceramic decoupling capacitor adjacent to every VDD/VDDIO pin pair on the ATSAME54N19A-AF, plus a 4.7 uF bulk capacitor on each main rail. The high-speed 120 MHz digital core creates switching transients in the 50-100 MHz range; keeping the decoupling loop area under 5 mm reduces radiated emissions and supply ripple. The internal voltage regulator generates the 1.2 V core from the external 1.8-3.6 V supply, so do not back-power the MCU through any GPIO. Always connect all VDDIO pins even if a peripheral is unused, and tie all GND pins to a solid ground plane without cuts under the package.
The 100-pin TQFP package has 0.5 mm pitch leads requiring careful PCB layout. Use 0.15 mm copper-defined pads with 0.05 mm solder mask expansion for reliable solder joint formation. Route critical high-speed signals (USB DP/DN, Ethernet REF_CLK, SD_CLK) on the top layer with a continuous ground reference plane underneath; avoid routing these traces across power plane splits. The 14x14 mm body provides thermal pad with multiple GND pins - stitch them all to a single ground pour to minimize ground bounce on high-current switching events.
Do not exceed the maximum CPU clock of 120 MHz or supply voltage of 3.6 V on the ATSAME54N19A-AF. The dual-panel Flash requires firmware to use the NVMCTRL (Non-Volatile Memory Controller) SmartEEPROM emulation library for wear-leveled byte storage; raw Flash writes without proper page buffering cause data corruption. When using the integrated Ethernet MAC, configure the REF_CLK to match the external PHY (KSZ8081 uses 50 MHz); mismatch causes link failure. The SERCOM modules require explicit pin multiplexing setup via PORT register configuration before peripheral activation; skip this and SERCOM initialization appears to hang.
The USB 2.0 Full-Speed DP/DN differential pair requires 90 ohm differential impedance on the PCB with matched trace lengths within 0.5 mm. Place the 27-ohm series source termination resistors within 5 mm of the MCU pads. The Ethernet MAC requires a 49.9 ohm 1% termination resistor on the RX_CLK and TX_CLK traces between the PHY and MCU, with total trace length under 50 mm to keep rise time within IEEE 802.3 spec. Add a common-mode choke on the USB DP/DN pair if the design must pass CISPR 22 Class B radiated emissions.
מידע על תאימות
RoHS and REACH compliant per Microchip product page datasheet. The -AF temperature grade is -40C to +125C automotive but is not formally AEC-Q100 certified; for AEC-Q100 qualification request the VAO variant or the formal qualification letter from Microchip.
