ATSAME54N19A-AF - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
MPN: ATSAME54N19A-AF ✓ AktifATSAME54N19A-AF Ringkasan
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.
Alternatif penggantian untuk ATSAME54N19A-AF — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian ATSAME54N19A-AF (sama faktor bentuk dan footprint) — berbeda di dalam USB, Operating Temperature, Core, SRAM, DAC.
ATSAME54N19A-AFT
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
ATSAME54N20A-AF
✅ Drop-InKontak untuk harga
Lihat Datasheet →ATSAME54N19A-AFVAO
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
ATSAME53N19A-AF
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
ATSAME51N19A-AF
✅ Drop-InKontak untuk harga
Lihat Datasheet →ATSAMD51N19A-AF
✅ Drop-InKontak untuk harga
Lihat Datasheet →ATSAME54N19A-AF Rating Maksimal & Karakteristik Listrik
| 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 |
| Suhu Kerja | -40C to +125C (automotive grade) |
| Paket | 100-pin TQFP (14x14 mm) |
| Tipe Mounting | 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) |
| Level MSL | 3 (168 hours) |
| Status RoHS | Compliant |
Konfigurasi Pin ATSAME54N19A-AF
| Pin produk 1 | PD0 — GPIO / SERCOM3 ALT function |
| Pin produk 2 | PD1 — GPIO / SERCOM3 ALT function |
| Pin produk 3 | PD2 — GPIO / SERCOM3 ALT function |
| Pin produk 4 | PD3 — GPIO / SERCOM3 ALT function |
| Pin produk 5 | VDDIO — I/O supply voltage |
| Pin produk 6 | GND — Ground |
| Pin produk 7 | PD4 — GPIO / SERCOM3 ALT function |
| Pin produk 8 | PD5 — GPIO / SERCOM3 ALT function |
| Pin produk 9 | PD6 — GPIO / SERCOM3 ALT function |
| Pin produk 10 | PD7 — GPIO / SERCOM3 ALT function |
| Pin produk 11 | PD8 — GPIO / SERCOM3 ALT function |
| Pin produk 12 | PD9 — GPIO / SERCOM3 ALT function |
| Pin produk 13 | PD10 — GPIO / SERCOM3 ALT function |
| Pin produk 14 | PD11 — GPIO / SERCOM3 ALT function |
| Pin produk 15 | PD12 — GPIO / SERCOM3 ALT function |
| Pin produk 16 | GND — Ground |
| Pin produk 17 | VDDIO — I/O supply voltage |
| Pin produk 18 | PD13 — GPIO / SERCOM3 ALT function |
| Pin produk 19 | PD14 — GPIO / SERCOM3 ALT function |
| Pin produk 20 | PD15 — GPIO / SERCOM3 ALT function |
| Pin produk 21 | PA0 — GPIO / SERCOM0 ALT function |
| Pin produk 22 | PA1 — GPIO / SERCOM0 ALT function |
| Pin produk 23 | PA2 — GPIO / SERCOM0 ALT function |
| Pin produk 24 | PA3 — GPIO / SERCOM0 ALT function |
| Pin produk 25 | GND — Ground |
| Pin produk 26 | VDD — Main supply voltage (1.71-3.6V) |
| Pin produk 27 | PA4 — GPIO / SERCOM0 ALT function |
| Pin produk 28 | PA5 — GPIO / SERCOM0 ALT function |
| Pin produk 29 | PA6 — GPIO / SERCOM0 ALT function |
| Pin produk 30 | PA7 — GPIO / SERCOM0 ALT function |
| Pin produk 31 | PA8 — GPIO / SERCOM0 ALT function |
| Pin produk 32 | PA9 — GPIO / SERCOM0 ALT function |
| Pin produk 33 | PA10 — GPIO / SERCOM0 ALT function |
| Pin produk 34 | PA11 — GPIO / SERCOM0 ALT function |
| Pin produk 35 | GND — Ground |
| Pin produk 36 | VDD — Main supply voltage |
| Pin produk 37 | PA12 — GPIO / SERCOM0 ALT function |
| Pin produk 38 | PA13 — GPIO / SERCOM0 ALT function |
| Pin produk 39 | PA14 — GPIO / SERCOM0 ALT function |
| Pin produk 40 | PA15 — GPIO / SERCOM0 ALT function |
| Pin produk 41 | PA16 — GPIO / SERCOM1 ALT function |
| Pin produk 42 | PA17 — GPIO / SERCOM1 ALT function |
| Pin produk 43 | PA18 — GPIO / SERCOM1 ALT function |
| Pin produk 44 | PA19 — GPIO / SERCOM1 ALT function |
| Pin produk 45 | GND — Ground |
| Pin produk 46 | VDDIO — I/O supply voltage |
| Pin produk 47 | PA20 — GPIO / SERCOM1 ALT function |
| Pin produk 48 | PA21 — GPIO / SERCOM1 ALT function |
| Pin produk 49 | PA22 — GPIO / SERCOM1 ALT function |
| Pin produk 50 | PA23 — GPIO / SERCOM1 ALT function |
| Pin produk 51 | PA24 — GPIO / SERCOM2 ALT function |
| Pin produk 52 | PA25 — GPIO / SERCOM2 ALT function |
| Pin produk 53 | PA26 — GPIO / SERCOM2 ALT function |
| Pin produk 54 | PA27 — GPIO / SERCOM2 ALT function |
| Pin produk 55 | GND — Ground |
| Pin produk 56 | VDD — Main supply voltage |
| Pin produk 57 | PA28 — GPIO / SERCOM2 ALT function |
| Pin produk 58 | PA29 — GPIO / SERCOM2 ALT function |
| Pin produk 59 | PA30 — GPIO / SERCOM2 ALT function |
| Pin produk 60 | PA31 — GPIO / SERCOM2 ALT function |
| Pin produk 61 | PB0 — GPIO / SERCOM4 ALT function |
| Pin produk 62 | PB1 — GPIO / SERCOM4 ALT function |
| Pin produk 63 | PB2 — GPIO / SERCOM4 ALT function |
| Pin produk 64 | PB3 — GPIO / SERCOM4 ALT function |
| Pin produk 65 | GND — Ground |
| Pin produk 66 | VDDIO — I/O supply voltage |
| Pin produk 67 | PB4 — GPIO / SERCOM4 ALT function |
| Pin produk 68 | PB5 — GPIO / SERCOM4 ALT function |
| Pin produk 69 | PB6 — GPIO / SERCOM4 ALT function |
| Pin produk 70 | PB7 — GPIO / SERCOM4 ALT function |
| Pin produk 71 | PB8 — GPIO / SERCOM4 ALT function |
| Pin produk 72 | PB9 — GPIO / SERCOM4 ALT function |
| Pin produk 73 | PB10 — GPIO / SERCOM4 ALT function |
| Pin produk 74 | PB11 — GPIO / SERCOM4 ALT function |
| Pin produk 75 | GND — Ground |
| Pin produk 76 | VDD — Main supply voltage |
| Pin produk 77 | PB12 — GPIO / SERCOM5 ALT function |
| Pin produk 78 | PB13 — GPIO / SERCOM5 ALT function |
| Pin produk 79 | PB14 — GPIO / SERCOM5 ALT function |
| Pin produk 80 | PB15 — GPIO / SERCOM5 ALT function |
| Pin produk 81 | PB16 — GPIO / SERCOM5 ALT function |
| Pin produk 82 | PB17 — GPIO / SERCOM5 ALT function |
| Pin produk 83 | PB18 — GPIO / SERCOM5 ALT function |
| Pin produk 84 | PB19 — GPIO / SERCOM5 ALT function |
| Pin produk 85 | GND — Ground |
| Pin produk 86 | VDDIO — I/O supply voltage |
| Pin produk 87 | PB20 — GPIO / SERCOM5 ALT function |
| Pin produk 88 | PB21 — GPIO / SERCOM5 ALT function |
| Pin produk 89 | PB22 — GPIO / SERCOM5 ALT function |
| Pin produk 90 | PB23 — GPIO / SERCOM5 ALT function |
| Pin produk 91 | PB24 — GPIO / SERCOM4 ALT function |
| Pin produk 92 | PB25 — GPIO / SERCOM4 ALT function |
| Pin produk 93 | PC0 — GPIO / SERCOM6 ALT function |
| Pin produk 94 | PC1 — GPIO / SERCOM6 ALT function |
| Pin produk 95 | GND — Ground |
| Pin produk 96 | VDD — Main supply voltage |
| Pin produk 97 | PC2 — GPIO / SERCOM6 ALT function |
| Pin produk 98 | PC3 — GPIO / SERCOM6 ALT function |
| Pin produk 99 | NRST — External reset input (active low) |
| Pin produk 100 | VBAT — Battery backup supply for RTC |
Aplikasi Umum
ATSAME54N19A-AF cocok untuk 8 aplikasis: 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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk ATSAME54N19A-AF — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | 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) |
Diferensiator Kunci
- Integrated 10/100 Ethernet MAC and dual CAN-FD controllers (vsATSAME53N19A-AF)
- 512 KB Flash matches the most popular SAM E54 variant (vsATSAME54N20A-AF)
- Automotive temperature grade without formal AEC-Q100 certification overhead (vsATSAME54N19A-AFVAO)
Catatan Desain
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.
Informasi Konformitas
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.
