ATSAME51J18A-AUT-EFP - 120MHz Cortex-M4F MCU, 256KB Flash | Microchip
Référence : ATSAME51J18A-AUT-EFP ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $4.32 | $4,32 |
| 10 | $3.95 | $39,50 |
| 100 | $3.42 | $342,00 |
| 500 | $2.88 | $1 440,00 |
| 1 000 | $2.41 | $2 410,00 |
| 3 000 | $1.99 | $5 970,00 |
ATSAME51J18A-AUT-EFP Présentation
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O. The ATSAME51J18A-AUT-EFP belongs to the ARM Cortex-M4F family, a 32-bit RISC architecture with DSP extensions and a hardware FPU. Within the broader taxonomy, MCUs sit under microcontrollers -> embedded processors -> semiconductors. The Cortex-M4F target application space includes motor control, industrial sensing, connectivity hubs, and consumer audio.
Key features include 120 MHz CPU with FPU and DSP instructions, 256 KB Dual-Panel Flash with ECC for robust code storage, 128 KB SRAM, and a high-speed USB 2.0 Full-Speed interface plus a CAN-FD controller. The device also integrates multiple SERCOM peripherals (configurable as UART/SPI/I2C), a 12-bit ADC with up to 16 channels, a 12-bit DAC, and an Event System for deterministic inter-peripheral signaling.
The SAM E51 architecture uses a 4-layer AHB matrix for parallel bus access between the CPU, SRAM banks, and peripherals, minimizing contention at high peripheral loads. Hardware accelerators include a Peripheral Touch Controller (PTC) supporting capacitive touch, a Cryptographic Accelerator (TRNG, AES) on equivalent family parts, and an Event System allowing peripherals to trigger each other without CPU intervention - critical for low-latency control loops.
Typical applications include industrial automation controllers, USB-to-CAN bridges, IoT edge nodes, smart sensor hubs, and capacitive touch human-machine interfaces. The wide operating voltage (1.71V-3.6V) and -40C to +85C industrial temperature range suit factory-floor deployments.
When designing with this device, ensure PCB layout keeps the VDDCORE decoupling network within 5 mm of the LDO output pins. Use the SAM E51 family header files and Atmel/Microchip START or MPLAB Harmony code configurator to generate peripheral initialization code, and validate USB 2.0 Full-Speed signal integrity against the USB 2.0 specification compliance checklist.
This page synthesizes distributor pricing, drop-in alternatives from the SAME51/SAMD51 family, and practical design notes not found in the manufacturer datasheet alone.
Alternatives de remplacement direct pour ATSAME51J18A-AUT-EFP — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec ATSAME51J18A-AUT-EFP (même facteur de forme et même empreinte) — différant par ADC, USB, CAN, Operating Temperature, DAC.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
ATSAME51J18A-AUT
✅ Remplacement direct✓ En stock
$4.65 / unité
Voir la fiche technique →ATSAME51J18A-AFT
✅ Remplacement direct✓ En stock
$5.21 / unité
Voir la fiche technique →ATSAME51J18A-AU-EFP
✅ Remplacement direct✓ En stock
$5.78 / unité
Voir la fiche technique →ATSAME51J19A-AUT-EFP
✅ Remplacement direct✓ En stock
$6.45 / unité
Voir la fiche technique →ATSAME51J18A-AF
✅ Remplacement direct✓ En stock
$3.85 / unité
Voir la fiche technique →ATSAMD51J18A-AUT
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$4.78 / unité
Voir la fiche technique →ATSAMD51J19A-AUT-EFP
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$4.45 / unité
Voir la fiche technique →ATSAME51J18A-AUT-EFP Valeurs maximales et caractéristiques électriques
| Core | ARM Cortex-M4F with FPU and DSP |
| Maximum CPU Clock | 120 MHz |
| Flash Memory | 256 KB (Dual Panel with ECC) |
| SRAM | 128 KB |
| Boîtier | 64-pin TQFP (10x10 mm) |
| Operating Voltage (VDDIO) | 1.71 V to 3.6 V |
| Température de fonctionnement | -40 C to +85 C |
| USB Interface | USB 2.0 Full-Speed (Host/Device) |
| CAN Interface | CAN-FD controller |
| ADC | 12-bit, up to 16 channels |
| DAC | 12-bit |
| SERCOM | Configurable UART/SPI/I2C |
| Type de montage | Surface Mount |
| Statut RoHS | Compliant |
| Lead-Free | Yes |
Configuration des broches de ATSAME51J18A-AUT-EFP
| Broche 1 | PB11 — General purpose I/O / SERCOM |
| Broche 2 | PB10 — General purpose I/O / SERCOM |
| Broche 3 | PB09 — General purpose I/O / SERCOM |
| Broche 4 | PB08 — General purpose I/O / SERCOM |
| Broche 5 | PA27 — General purpose I/O |
| Broche 6 | GND — Ground |
| Broche 7 | VDD — Digital I/O supply voltage |
| Broche 8 | VDDCORE — Core voltage (decoupled internally) |
| Broche 9 | PA30 — General purpose I/O / SWD clock |
| Broche 10 | PA31 — General purpose I/O / SWDIO |
| Broche 11 | PB22 — General purpose I/O / SERCOM |
| Broche 12 | PB23 — General purpose I/O / SERCOM |
| Broche 13 | PA00 — General purpose I/O / ADC AIN0 |
| Broche 14 | PA01 — General purpose I/O / ADC AIN1 |
| Broche 15 | PA02 — General purpose I/O / ADC AIN2 |
| Broche 16 | PA03 — General purpose I/O / ADC AIN3 |
| Broche 17 | GND — Ground |
| Broche 18 | VDD — Digital I/O supply voltage |
| Broche 19 | PB02 — General purpose I/O / SERCOM |
| Broche 20 | PB03 — General purpose I/O / SERCOM |
| Broche 21 | PA04 — General purpose I/O / ADC AIN4 |
| Broche 22 | PA05 — General purpose I/O / ADC AIN5 |
| Broche 23 | PA06 — General purpose I/O / ADC AIN6 |
| Broche 24 | PA07 — General purpose I/O / ADC AIN7 |
| Broche 25 | PA08 — General purpose I/O / USB VBUS |
| Broche 26 | PA09 — General purpose I/O / USB DM |
| Broche 27 | PA10 — General purpose I/O / USB DP |
| Broche 28 | PA11 — General purpose I/O / CAN TX |
| Broche 29 | PA12 — General purpose I/O / CAN RX |
| Broche 30 | GND — Ground |
| Broche 31 | VDD — Digital I/O supply voltage |
| Broche 32 | PB04 — General purpose I/O / SERCOM |
| Broche 33 | PB05 — General purpose I/O / SERCOM |
| Broche 34 | PA13 — General purpose I/O / SERCOM |
| Broche 35 | PA14 — General purpose I/O / SERCOM |
| Broche 36 | PA15 — General purpose I/O / SERCOM |
| Broche 37 | PA16 — General purpose I/O / SERCOM |
| Broche 38 | PA17 — General purpose I/O / SERCOM |
| Broche 39 | PA18 — General purpose I/O / SERCOM |
| Broche 40 | PA19 — General purpose I/O / SERCOM |
| Broche 41 | GND — Ground |
| Broche 42 | VDD — Digital I/O supply voltage |
| Broche 43 | PB06 — General purpose I/O / SERCOM |
| Broche 44 | PB07 — General purpose I/O / SERCOM |
| Broche 45 | PB12 — General purpose I/O / SERCOM |
| Broche 46 | PB13 — General purpose I/O / SERCOM |
| Broche 47 | PB14 — General purpose I/O / SERCOM |
| Broche 48 | PB15 — General purpose I/O / SERCOM |
| Broche 49 | PA20 — General purpose I/O / SERCOM |
| Broche 50 | PA21 — General purpose I/O / SERCOM |
| Broche 51 | PA22 — General purpose I/O / DAC |
| Broche 52 | PA23 — General purpose I/O / DAC |
| Broche 53 | PA24 — General purpose I/O / USB ID |
| Broche 54 | PA25 — General purpose I/O / USB SOF |
| Broche 55 | GND — Ground |
| Broche 56 | VDD — Digital I/O supply voltage |
| Broche 57 | PB16 — General purpose I/O / SERCOM |
| Broche 58 | PB17 — General purpose I/O / SERCOM |
| Broche 59 | PB18 — General purpose I/O / SERCOM |
| Broche 60 | PB19 — General purpose I/O / SERCOM |
| Broche 61 | PB20 — General purpose I/O / SERCOM |
| Broche 62 | PB21 — General purpose I/O / SERCOM |
| Broche 63 | NRST — Reset input (active low) |
| Broche 64 | VDDANA — Analog supply voltage |
Applications typiques
ATSAME51J18A-AUT-EFP convient pour 7 applications: Industrial USB-CAN Gateway, Smart Sensor Hub with Touch HMI, Motor Control Drive Board, IoT Edge Node with Secure Connectivity, Audio Processing and Effects Unit, Automotive Body Control Module, Medical Patient Monitoring Peripheral.
Industrial USB-CAN Gateway
The ATSAME51J18A-AUT-EFP is purpose-built for industrial USB-to-CAN gateways that bridge PC-based configuration tools and CAN-FD fieldbus networks. Its integrated USB 2.0 Full-Speed device controller and hardware CAN-FD controller eliminate the need for external bridge chips, reducing both BOM cost and PCB area. The 120 MHz Cortex-M4F with FPU handles CAN-FD protocol overhead and USB enumeration with ample headroom. Engineers typically implement the gateway firmware using Microchip's CAN-FD library and the ASF/MPLAB Harmony USB stack. The -40C to +85C industrial temperature rating supports factory-floor deployments where ambient temperatures fluctuate. The Extended Flash Performance (EFP) variant ensures reliable firmware execution under heavy read cycles during continuous CAN traffic logging.
Recommandé
Smart Sensor Hub with Touch HMI
The ATSAME51J18A-AUT-EFP's integrated Peripheral Touch Controller (PTC) supports hardware-accelerated capacitive touch sensing for button grids, sliders, and wheels in smart home and appliance HMI panels. The Event System routes touch events to interrupt routines without CPU polling, enabling deterministic response times under 1 ms. The 256 KB Dual-Panel Flash stores both touch firmware and sensor calibration tables with ECC protection against bit errors in noisy motor environments. The Cortex-M4F FPU processes sensor fusion algorithms in real time while the SERCOM peripherals connect to external I2C/SPI sensors. The 64-pin TQFP package provides generous I/O for multi-channel touch and sensor fan-out.
Recommandé
Motor Control Drive Board
The ATSAME51J18A-AUT-EFP serves as the main controller in BLDC and PMSM motor drive boards for industrial pumps, fans, and small servo systems. The 120 MHz Cortex-M4F with single-precision FPU executes field-oriented control (FOC) loops with PWM update rates above 20 kHz, while the Event System synchronizes ADC sampling to PWM edges for low-latency current measurement. The 12-bit ADC with up to 16 channels reads phase currents and DC bus voltage simultaneously. The Extended Flash Performance variant ensures deterministic code execution under heavy interrupt load. Engineers pair this MCU with external gate drivers like the MCP8026 or Si8271 for the high-voltage power stage.
Recommandé
IoT Edge Node with Secure Connectivity
The ATSAME51J18A-AUT-EFP's USB and CAN-FD interfaces make it suitable for IoT edge nodes that aggregate sensor data and forward it to cloud platforms via wired backhaul. The hardware Floating Point Unit accelerates edge analytics and anomaly detection, while the 256 KB Flash accommodates TLS/SSL stacks and protocol buffers. The 128 KB SRAM handles multi-stream sensor buffering without external memory. Extended Flash Performance ensures reliable operation during heavy read cycles common in always-on edge deployments. The industrial temperature grade supports outdoor enclosures and harsh industrial environments.
Recommandé
Audio Processing and Effects Unit
The ATSAME51J18A-AUT-EFP's 120 MHz Cortex-M4F with single-precision FPU and DSP instructions executes audio effects processing such as parametric EQ, reverb, and compression in real time at 48 kHz sample rates. The 12-bit DAC provides line-level audio output for simple effects pedals and processors, while SERCOM peripherals connect to external I2S audio codecs for higher fidelity. The Event System synchronizes DMA audio transfers to sample-clock edges without CPU intervention. The 256 KB Flash stores preset libraries, and 128 KB SRAM buffers multiple audio streams. The industrial temperature grade supports audio equipment installations in demanding venues.
Recommandé
Automotive Body Control Module
With its CAN-FD controller and -40C to +85C operating temperature range, the ATSAME51J18A-AUT-EFP fits body control modules managing lighting, mirrors, and accessory systems in passenger vehicles. The Extended Flash Performance variant delivers the flash endurance required for constant bus monitoring and diagnostic logging. For automotive-grade variants that meet AEC-Q100 at higher temperatures, the ATSAME51J18A-AFT is the recommended drop-in replacement. The 256 KB Flash stores calibration tables and OBD-II diagnostic routines, while the 12-bit ADC reads sensor inputs. Multiple SERCOM instances interface with LIN transceivers and local sensor clusters.
Recommandé
Medical Patient Monitoring Peripheral
The ATSAME51J18A-AUT-EFP's processing headroom and rich peripheral set support patient monitoring peripherals such as pulse oximeters, blood pressure monitors, and portable ECG recorders. The 12-bit ADC digitizes analog sensor signals at clinical accuracy levels, while the FPU accelerates DSP-based signal processing for heart rate extraction and arrhythmia detection. The USB 2.0 Full-Speed interface enables battery charging and data sync with host tablets or PCs. Extended Flash Performance ensures reliable firmware operation throughout the product lifetime. The compact 64-pin TQFP package fits space-constrained wearable enclosures.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour ATSAME51J18A-AUT-EFP — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | ATSAME51J18A-AUT | ATSAME51J18A-AFT | ATSAME51J18A-AU-EFP | ATSAME51J19A-AUT-EFP | ATSAMD51J18A-AUT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) |
| Flash Memory | 256 KB | 256 KB | 256 KB | 512 KB | 256 KB | |
| SRAM | 128 KB | 128 KB | 256 KB | 128 KB | ||
| Maximum Clock | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz | |
| EFP (Extended Flash Performance) | Yes | No | No | Yes | Yes | |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +125C (automotive) | -40C to +85C | ||
| Packaging Form | Tape & Reel | Tape & Reel | Tape & Reel | Tray | ||
| RoHS | Compliant | Compliant | Compliant | Compliant |
Principaux différenciateurs
- Integrated USB 2.0 Full-Speed plus CAN-FD in single MCU (vs ATSAMD21J18A-AUT)
- Extended Flash Performance (EFP) for higher endurance (vs ATSAME51J18A-AUT)
- 256 KB Flash with ECC for robust code storage (vs ATSAME51J18A-AU-EFP)
- Single-precision FPU for floating-point algorithms (vs PIC32MX series)
Notes de conception
Estimated: at 120 MHz active CPU load, the ATSAME51J18A-AUT-EFP draws approximately 14-18 mA core current from VDDCORE. Place a 100 nF X7R ceramic decoupling capacitor within 5 mm of each VDDCORE pin, and a bulk 4.7 uF ceramic on VDDANA. The internal LDO requires adequate PCB copper pour for thermal dissipation; a minimum 100 mm2 ground plane under the TQFP thermal pad-adjacent area is recommended for reliable operation above 70C ambient.
Route the USB 2.0 Full-Speed differential pair (USB_DP, USB_DM) with 90-ohm differential impedance and length matching within 2 mm. Place the USB series termination resistors as close as possible to the MCU pins. For CAN-FD, route CAN_TX and CAN_RX with 120-ohm characteristic impedance and place a 120-ohm termination resistor at each end of the bus. Keep analog signals (ADC inputs) routed away from switching power and USB data lines to minimize crosstalk.
Do not exceed the absolute maximum VDD of 3.6 V. The Cortex-M4F core runs at 1.2 V internally, derived from the on-chip voltage regulator - never drive VDDCORE from an external supply. The SAME51 family requires careful PLL configuration; verify the crystal oscillator load capacitance matches the chosen crystal's CL specification, typically 12 pF for common 12 MHz crystals. Reset (NRST) must be pulled high through a 10 kohm resistor for normal operation.
The SERCOM peripherals share I/O pins with general purpose I/O; when assigning peripheral functions, ensure alternate function mappings are configured before peripheral enable to avoid bus contention. For high-speed ADC sampling above 500 kSPS, decouple VDDANA with an additional 10 uF bulk capacitor and use separate analog and digital ground planes connected at a single point. The Event System routes signals between peripherals without CPU intervention and should be configured early to avoid race conditions.
Informations de conformité
Component is RoHS and REACH compliant per Microchip product documentation. Not AEC-Q100 qualified in the -AUT-EFP variant; choose -AFT suffix for AEC-Q100 Grade 1 automotive qualification.
