ATSAME51J18A-AU-EFP - 120MHz Cortex-M4F MCU 256KB Flash TQFP-64 | Microchip
Teilenummer: ATSAME51J18A-AU-EFP ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $8.92 | $8,92 |
| 10 | $8.12 | $81,20 |
| 100 | $7.21 | $721,00 |
| 500 | $6.45 | $3.225,00 |
| 1.000 | $5.78 | $5.780,00 |
ATSAME51J18A-AU-EFP Übersicht
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and a rich set of peripherals into one package. The SAM E51 line belongs to the ARM Cortex-M4 class with single-precision Floating Point Unit (FPU) plus DSP extensions, sitting in the hierarchy MCU -> embedded controller -> semiconductor. These parts target industrial and general-purpose embedded applications requiring deterministic real-time performance, low power, and connectivity.
Key features of the ATSAME51J18A-AU-EFP include the Cortex-M4F core with FPU and DSP instructions, up to 120 MHz operation, 256 KB dual-panel Flash with ECC, 128 KB SRAM, full-speed USB 2.0 with embedded host and device support, CAN-FD controller, up to six SERCOM interfaces for UART/SPI/I2C, a 12-bit 1 MSPS ADC, 16-bit analog comparators, and a 16-bit PWM/timer counter array. The device operates from 1.71 V to 3.84 V, suiting 3.3 V systems.
Architecturally, the SAM E51 uses a 4-layer AHB bus matrix connecting the CPU, Flash, SRAM, and peripherals for low-latency memory access. The Flash includes hardware ECC for class-B safety integrity. The "Extended Flash Performance" bin tightens read characteristics at lower VDD, allowing the same 120 MHz zero-wait-state core speed across a wider operating envelope. Advanced power modes include IDLE, STANDBY, BACKUP, and OFF with battery-domain retention.
Typical applications include industrial automation controllers, building-automation nodes (BACnet/Modbus gateways), IoT edge nodes with USB device/host roles, automotive body and accessory ECUs, drone flight controllers and ESCs, and human-machine interface (HMI) panels. The combination of USB, CAN-FD, and rich SERCOM connectivity also suits bridging hubs and field-bridge converters.
When designing with this MCU, place 0.1 uF plus bulk decoupling within 5 mm of each VDD pin and provide a 32.768 kHz crystal for RTC accuracy. The EFP variant tolerates wider VDD/flash-timing corners than the standard -AU, so firmware written for one typically runs on the other without modification.
This page synthesizes distributor pricing, drop-in alternatives from the SAM E5x family, and practical design notes not found in the manufacturer datasheet alone.
Drop-in-Alternativen für ATSAME51J18A-AU-EFP – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit ATSAME51J18A-AU-EFP (gleiche Bauform und Footprint) – abweichend in USB, CAN, DAC, ADC, Core.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
ATSAME51J19A-AUT-EFP
✅ Drop-In✓ Auf Lager
$6.45 / Stück
Datenblatt ansehen →ATSAME51J19A-AFT
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
$5.62 / Stück
Datenblatt ansehen →ATSAME51J18A-AFT
✅ Drop-In✓ Auf Lager
$5.21 / Stück
Datenblatt ansehen →ATSAME51J20A-AU
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
$6.45 / Stück
Datenblatt ansehen →ATSAMD51J18A-AU-EFP
✅ Drop-In✓ Auf Lager
$3.95 / Stück
Datenblatt ansehen →ATSAME51J18A-AU-EFP Grenzwerte & elektrische Eigenschaften
| Core | ARM Cortex-M4F with FPU and DSP |
| Maximum CPU Speed | 120 MHz |
| Program Flash | 256 KB (256K x 8) with ECC |
| SRAM | 128 KB |
| Operating Voltage | 1.71 V to 3.84 V |
| Gehäuse | 64-pin TQFP (10x10 mm) |
| USB | USB 2.0 Full-Speed Host/Device |
| CAN | CAN-FD controller |
| SERCOM | 6x configurable UART/SPI/I2C |
| ADC | 12-bit, up to 1 MSPS |
| DAC | 12-bit, 1 MSPS |
| Analog Comparators | Yes |
| Timers/Counters | 16-bit TCC PWM timers |
| RTC | Yes, 32.768 kHz crystal domain |
| Betriebstemperatur | -40C to +85C |
| Montageart | Surface Mount |
| RoHS-Status | Compliant |
ATSAME51J18A-AU-EFP Pin-Konfiguration
| Pin 1 | VDDIO — I/O supply voltage |
| Pin 2 | PA00 — GPIO / SERCOM1 PAD0 |
| Pin 3 | PA01 — GPIO / SERCOM1 PAD1 |
| Pin 4 | PA02 — GPIO / SERCOM1 PAD2 / AIN0 |
| Pin 5 | PA03 — GPIO / SERCOM1 PAD3 / AIN1 / VREFA |
| Pin 6 | PA04 — GPIO / SERCOM0 PAD0 / AIN2 |
| Pin 7 | PA05 — GPIO / SERCOM0 PAD1 / AIN3 |
| Pin 8 | PA06 — GPIO / SERCOM0 PAD2 / AIN4 |
| Pin 9 | PA07 — GPIO / SERCOM0 PAD3 / AIN5 |
| Pin 10 | VDDIO — I/O supply voltage |
| Pin 11 | GND — Ground |
| Pin 12 | PA08 — GPIO / SERCOM2 PAD0 / NTC |
| Pin 13 | PA09 — GPIO / SERCOM2 PAD1 |
| Pin 14 | PA10 — GPIO / SERCOM2 PAD2 |
| Pin 15 | PA11 — GPIO / SERCOM2 PAD3 |
| Pin 16 | PA12 — GPIO / SERCOM4 PAD0 / USB_DP |
| Pin 17 | PA13 — GPIO / SERCOM4 PAD1 / USB_DM |
| Pin 18 | PA14 — GPIO / SERCOM4 PAD2 |
| Pin 19 | PA15 — GPIO / SERCOM4 PAD3 |
| Pin 20 | GND — Ground |
| Pin 21 | PA16 — GPIO / SERCOM1 PAD0 / I2S_SDI |
| Pin 22 | PA17 — GPIO / SERCOM1 PAD1 / I2S_SDO |
| Pin 23 | PA18 — GPIO / SERCOM3 PAD0 |
| Pin 24 | PA19 — GPIO / SERCOM3 PAD1 |
| Pin 25 | PA20 — GPIO / SERCOM5 PAD0 |
| Pin 26 | PA21 — GPIO / SERCOM5 PAD1 |
| Pin 27 | PA22 — GPIO / SERCOM3 PAD2 |
| Pin 28 | PA23 — GPIO / SERCOM3 PAD3 |
| Pin 29 | PA24 — GPIO / USB_ID |
| Pin 30 | PA25 — GPIO / USB_VBUS |
| Pin 31 | GND — Ground |
| Pin 32 | VDDCORE — Internal core supply (decoupling only) |
| Pin 33 | PA27 — GPIO / CAN0 TX |
| Pin 34 | PA28 — GPIO / CAN0 RX |
| Pin 35 | RESETn — Active-low reset input |
| Pin 36 | VDDIO — I/O supply voltage |
| Pin 37 | PB02 — GPIO / SERCOM5 PAD0 |
| Pin 38 | PB03 — GPIO / SERCOM5 PAD1 |
| Pin 39 | PB04 — GPIO / SERCOM3 PAD0 |
| Pin 40 | PB05 — GPIO / SERCOM3 PAD1 |
| Pin 41 | PB06 — GPIO / SERCOM0 PAD0 |
| Pin 42 | PB07 — GPIO / SERCOM0 PAD1 |
| Pin 43 | PB08 — GPIO / SERCOM4 PAD0 / LED |
| Pin 44 | PB09 — GPIO / SERCOM4 PAD1 |
| Pin 45 | PB10 — GPIO / SERCOM4 PAD2 |
| Pin 46 | PB11 — GPIO / SERCOM4 PAD3 |
| Pin 47 | PB12 — GPIO / TCC0 WO0 / XIN32 |
| Pin 48 | PB13 — GPIO / TCC0 WO1 / XOUT32 |
| Pin 49 | PB14 — GPIO / SERCOM5 PAD2 |
| Pin 50 | PB15 — GPIO / SERCOM5 PAD3 |
| Pin 51 | PB16 — GPIO / SERCOM5 PAD0 |
| Pin 52 | PB17 — GPIO / SERCOM5 PAD1 |
| Pin 53 | PB18 — GPIO / SERCOM3 PAD2 |
| Pin 54 | PB19 — GPIO / SERCOM3 PAD3 |
| Pin 55 | PB20 — GPIO / SERCOM3 PAD0 |
| Pin 56 | PB21 — GPIO / SERCOM3 PAD1 |
| Pin 57 | PB22 — GPIO / SERCOM1 PAD2 |
| Pin 58 | PB23 — GPIO / SERCOM1 PAD3 |
| Pin 59 | PB24 — GPIO / SERCOM0 PAD2 |
| Pin 60 | PB25 — GPIO / SERCOM0 PAD3 |
| Pin 61 | PB26 — GPIO / SERCOM2 PAD0 |
| Pin 62 | PB27 — GPIO / SERCOM2 PAD1 |
| Pin 63 | PB28 — GPIO / SERCOM2 PAD2 |
| Pin 64 | PB29 — GPIO / SERCOM2 PAD3 |
Typische Anwendungen
ATSAME51J18A-AU-EFP ist geeignet für 6 Anwendungs: Industrial Automation Controllers, IoT Edge Nodes with USB, Building Automation Gateways, Drone Flight Controllers and ESCs, Human-Machine Interface (HMI) Panels, Automotive Body and Accessory ECUs.
Industrial Automation Controllers
The ATSAME51J18A-AU-EFP fits industrial automation controllers where 120 MHz Cortex-M4F DSP performance, CAN-FD, and six SERCOM channels must coexist on a single MCU. Its 256 KB Flash with ECC provides class-B safe program memory, while the 128 KB SRAM holds Modbus/Profibus stack frames and PID control loops. The EFP bin's extended flash-read envelope ensures deterministic zero-wait-state execution across the 3.3 V industrial supply band, eliminating a common field reliability issue at VDD droop. The part is also widely used in PLC sub-modules and machine-vision pre-processors.
Empfohlen
IoT Edge Nodes with USB
The ATSAME51J18A-AU-EFP serves IoT edge nodes needing USB 2.0 full-speed device or host roles alongside low-power sleep. Its 1.71 V to 3.84 V supply range supports battery-direct topologies; BACKUP mode with RTC retention draws micro-amps for long sleep intervals between sensor reads. The Cortex-M4F FPU accelerates on-device FFT and ML inference for edge analytics. Compared with a discrete MCU + USB bridge, the integrated USB OTG removes a chip and a BOM line. Engineers use it for BLE/LoRa gateways with USB-C diagnostics, sensor hubs, and asset trackers.
Empfohlen
Building Automation Gateways
In building-automation gateways bridging BACnet, Modbus, and KNX, the ATSAME51J18A-AU-EFP provides the headroom to run multiple protocol stacks concurrently on its 120 MHz core. The 256 KB Flash accommodates BACnet/IP plus a TLS 1.2 client used for cloud uploads; the 128 KB SRAM holds packet buffers for simultaneous TCP and serial traffic. Six SERCOM channels map cleanly to RS-485 transceivers for Modbus RTU, while CAN-FD can carry KNX-style or proprietary fieldbus traffic. The TQFP-64 footprint gives designers easy hand-rework during prototyping.
Empfohlen
Drone Flight Controllers and ESCs
The ATSAME51J18A-AU-EFP suits small UAV flight controllers and electronic speed controllers (ESCs) that need deterministic PWM and fast control loops. Its Cortex-M4F single-precision FPU runs PID plus quaternion attitude math at the 120 MHz zero-wait-state rate without offloading to a coprocessor. The TCC 16-bit PWM timers deliver center-aligned, complementary outputs with hardware dead-time insertion, which is essential for brushless DC motor commutation. The 12-bit 1 MSPS ADC samples current and voltage sense channels fast enough for FOC. EFP bin ensures the 120 MHz rate holds across the LiPo-discharge VDD curve.
Empfohlen
Human-Machine Interface (HMI) Panels
In compact HMI panels driving TFT LCDs and touch overlays, the ATSAME51J18A-AU-EFP delivers the 120 MHz Cortex-M4F throughput required by LVGL or emWin graphical stacks. Its 128 KB SRAM holds frame buffers for QVGA/WQVGA displays, while 256 KB Flash stores fonts, icons, and UI flows. The SERCOM channels map to SPI display, I2C touch, and UART to a host PLC. CAN-FD provides reliable panel-to-panel and panel-to-controller communication in factory environments. For larger displays, drop-in upgrade to ATSAME51J20A-AU (1 MB Flash / 256 KB SRAM) on the same footprint.
Empfohlen
Automotive Body and Accessory ECUs
The ATSAME51J18A-AU-EFP is used in automotive body controllers, accessory ECUs, and CAN-based lighting modules. While the J18A-AU grade is not AEC-Q100 qualified, designers use it in non-safety body domains such as HVAC, mirror control, and ambient lighting nodes. CAN-FD enables modern body networks, and the EFP bin keeps operation reliable across the 12 V battery-cold-crank droop. The 64-TQFP footprint eases convection rework, and the Cortex-M4F accelerates CANopen and J1939 stacks. For safety-critical ECUs, select an AEC-Q100 qualified Microchip SAM variant.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für ATSAME51J18A-AU-EFP – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | ATSAME51J19A-AUT-EFP | ATSAME51J19A-AFT | ATSAME51J18A-AFT | ATSAME51J20A-AU | ATSAMD51J18A-AU-EFP |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-64 (10x10) | TQFP-64 (10x10) - same | TQFP-64 (10x10) - same | TQFP-64 (10x10) - same | TQFP-64 (10x10) - same | TQFP-64 (10x10) - 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 |
| Flash | 256 KB | 512 KB | 512 KB | 256 KB | 1 MB | 256 KB |
| SRAM | 128 KB | 192 KB | 192 KB | 128 KB | 256 KB | 128 KB |
| USB | FS Host/Device | FS Host/Device | FS Host/Device | FS Host/Device | FS Host/Device | FS Host/Device |
| EFP Bin | Yes | Yes | No (standard FT) | No (standard FT) | No (standard AU) | Yes |
Wichtigste Unterscheidungsmerkmale
- Extended Flash Performance bin keeps 120 MHz at lower VDD (vs. ATSAME51J18A-AU)
- Drop-in upgrade path to 512 KB Flash on same footprint (vs. ATSAME51J19A-AUT-EFP)
- 1 MB Flash ceiling on the same package (vs. ATSAME51J20A-AU)
Designhinweise
Place a 0.1 uF ceramic plus 4.7 uF bulk decoupling capacitor within 5 mm of each VDDIO pin and a 1 uF plus 0.1 uF pair on VDDCORE. The ATSAME51J18A-AU-EFP draws peaks up to 35 mA in active 120 MHz mode; undersized decoupling can cause VDD droop and Flash read errors even with the EFP bin's wider envelope.
Route the 32.768 kHz crystal traces symmetrically and shield with a ground guard ring to avoid capacitive loading. Keep crystal traces under 5 mm and place the load capacitors within 2 mm of the XIN32/XOUT32 pins. The EFP bin extends the VDD/flash-timing corner but does not relax RTC accuracy requirements.
Do not assume SAM D5x and SAM E5x are pin-compatible across all functions; SERCOM count and pin-mux mapping differ, so verify each pin assignment against the SAM E5x pin-multiplexing table before swapping ATSAMD51 for ATSAME51 firmware. The 64-TQFP footprint is the same, but firmware migration requires peripheral re-mapping.
USB DP/DM traces must be 90 ohm differential with no stubs; place the 22 ohm series source-impedance resistors within 4 mm of the MCU pins. For CAN-FD, route TX/RX as a 120 ohm differential pair and place the bus termination at the cable ends, not at the MCU, to avoid reflection at high bus loads.
Compliance-Informationen
RoHS and REACH compliant per Microchip product page. Industrial -40C to +85C temperature grade; not AEC-Q100 qualified - select an automotive-grade SAM variant for vehicle ECUs.
