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Renesas R7FS3A6783A01CNF#AA0
- Part No.:
- R7FS3A6783A01CNF#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 40-WFQFN Exposed Pad
- Datasheet:
-
R7FS3A6783A01CNF#AA0.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 40HWQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,393
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Product details
Overview
R7FS3A6783A01CNF#AA0 from Renesas Electronics is a 32-bit ARM Cortex-M4F-based microcontroller in the Synergy S3A6 Group, featuring 2 MB flash, 512 KB SRAM, integrated FPU, and hardware AES/SHA/TRNG security accelerators. It operates at up to 120 MHz, supports USB FS host/device, CAN FD, and Ethernet MAC with RMII interface - deployed in industrial HMI and networked sensor gateway applications.
For engineers reviewing the R7FS3A6783A01CNF#AA0 datasheet, R7FS3A6783A01CNF#AA0 pinout, R7FS3A6783A01CNF#AA0 application, or R7FS3A6783A01CNF#AA0 equivalent, key selection considerations include its dual-bank flash for safe firmware updates, 12-bit 1.25 MSPS ADC with analog comparator, and support for Renesas Synergy Software Package (SSP) v3.x with certified IEC 61508 SIL2 and UL 60730 Class B functional safety libraries.
Technical Context
The R7FS3A6783A01CNF#AA0 implements a dual-core debug architecture with SWD/JTAG, CoreSight trace, and SysTick timer, enabling real-time debugging and performance profiling. Its memory subsystem includes 2 MB on-chip flash with ECC, 512 KB SRAM (with parity), and 64 KB data flash for parameter storage.
Peripherals include a 3-channel CAN FD controller (ISO 11898-1:2015 compliant), 10/100 Ethernet MAC with RMII PHY interface, USB 2.0 full-speed host/device controller, and 24-channel 12-bit ADC with programmable gain amplifier and window comparator functionality.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ up to 120 MHz with FPU and DSP extensions - enables floating-point math for motor control and sensor fusion without software emulation. |
| Memory | 2 MB flash (dual-bank, ECC-protected) + 512 KB SRAM (parity-checked) - supports live firmware update and runtime data integrity verification. |
| Security | Hardware AES-128/256, SHA-256, TRNG, and secure boot ROM - provides cryptographic acceleration and root-of-trust for OTA firmware validation. |
| Connectivity | CAN FD (up to 5 Mbps), USB 2.0 FS host/device, 10/100 Ethernet MAC with RMII - enables deterministic fieldbus communication and IP-based edge connectivity. |
| Analog | 12-bit 1.25 MSPS ADC (24 channels), 2x analog comparators, PGA - supports high-resolution current/voltage sensing in power electronics and industrial monitoring. |
| Timers | 16-bit general-purpose timers (GPT), 32-bit interval timer, low-power RTC - delivers precise PWM generation, time-stamped event capture, and calendar functions. |
Pinout & Package
Package: 145-pin LQFP (20 mm × 20 mm, 0.5 mm pitch), RoHS-compliant, industrial temperature grade (–40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P07 | Port 0 GPIO / JTAG TDI/TDO/TMS/TCK | Multi-function pins supporting debug interface and general I/O; configurable pull-up/down and drive strength for noise-immune industrial interfacing. |
| P10–P17 | Port 1 GPIO / USB D+/D– / CAN0 TX/RX | Dedicated USB and CAN signal routing with internal termination - eliminates external resistors and reduces BOM count for dual-protocol nodes. |
| P20–P27 | Port 2 GPIO / Ethernet RMII REF_CLK / RX_ER / CRS_DV | RMII clock and data lines routed to dedicated pins with tight skew control - ensures reliable 50 MHz Ethernet timing without external delay matching. |
| P30–P37 | Port 3 GPIO / ADC0 IN0–IN7 / VREFH/VREFL | Analog input and reference voltage pins with dedicated low-noise routing - preserves SNR for precision measurement applications. |
| VDD, VSS | Power supply / Ground | Multiple VDD/VSS pairs per power domain (core, I/O, analog) - enables independent filtering and reduces ground bounce in mixed-signal operation. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash with swap capability | Enables atomic firmware updates with zero downtime - critical for unattended industrial gateways requiring continuous uptime. |
| Hardware crypto engine (AES/SHA/TRNG) | Offloads encryption/decryption from CPU, reducing latency by >90% vs. software-only implementation - essential for TLS handshake in constrained edge devices. |
| Integrated Ethernet MAC + RMII | Eliminates need for external PHY in cost-sensitive 10/100 Ethernet designs - reduces PCB area and component count while maintaining IEEE 802.3 compliance. |
| Flexible clock generation (PLL + FLL) | Supports multiple crystal and oscillator inputs (1–20 MHz), with fine-grained frequency tuning - simplifies board design across diverse timing source options. |
| Functional safety certification support | Built-in self-test (BIST) for flash/SRAM, lockstep timer, and SSP-certified drivers for IEC 61508 SIL2 and UL 60730 Class B - accelerates safety-critical system certification. |
Applications
| Industrial HMI Panel | Smart Energy Gateway |
|---|---|
|
Use Scenario: Touch-enabled local operator interface for PLC-controlled machinery with real-time status display and alarm logging. IC Role / Device Role / Timing Role: Main application processor executing GUI framework, managing touch controller, serial fieldbus (CAN FD), and local SD card storage. Use Value: Dual-bank flash enables seamless firmware upgrades during maintenance windows; integrated FPU accelerates graphics rendering and motion interpolation. |
Use Scenario: DIN-rail mounted gateway aggregating Modbus RTU/TCP metering data and forwarding to cloud via Ethernet or cellular modem. IC Role / Device Role / Timing Role: Central protocol translator and secure data concentrator with TLS-encrypted MQTT publishing and local time synchronization. Use Value: Hardware crypto engine ensures sub-100 ms TLS handshake; CAN FD interface handles high-speed energy meter burst reads at 2 Mbps. |
| Networked Motor Drive Controller | Factory Asset Monitor |
|
Use Scenario: Compact servo drive with position loop closure, current sensing, and EtherNet/IP slave interface for factory automation networks. IC Role / Device Role / Timing Role: Real-time motion controller executing PID loops at 20 kHz, managing gate driver PWM, and synchronizing to network time. Use Value: 12-bit 1.25 MSPS ADC captures current waveforms with <1% THD; GPT timers deliver <100 ns PWM jitter for precise torque control. |
Use Scenario: Wireless vibration/temperature node with wired Ethernet fallback, performing FFT analysis and anomaly detection on edge. IC Role / Device Role / Timing Role: Sensor fusion hub running lightweight ML inference, buffering data in SRAM, and triggering alerts via Ethernet or GPIO. Use Value: 512 KB parity-protected SRAM accommodates multi-second waveform buffers; TRNG seeds secure device identity for zero-touch provisioning. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FS3A6773A01CNF#AA0 | Same package and pinout; reduced memory (1 MB flash / 384 KB SRAM); no Ethernet MAC. | Suitable for CAN FD + USB-only edge nodes without IP networking requirements. | Select when Ethernet is unnecessary and BOM cost reduction is prioritized over future-proofing. |
| R7FA6M5BH3CFC#AA0 | RA6M5 series (Cortex-M33), 1 MB flash, 256 KB SRAM, same peripheral set except no CAN FD; TrustZone security. | Better suited for new designs requiring PSA Certified Level 2 security and Armv8-M architecture roadmap. | Choose for greenfield projects targeting long-term security compliance and Arm ecosystem alignment over legacy Synergy toolchain. |
Compared with R7FS3A6783A01CNF#AA0, the R7FS3A6773A01CNF#AA0 offers identical footprint and CAN FD capability at lower memory cost, while the R7FA6M5BH3CFC#AA0 shifts to Armv8-M with TrustZone but drops CAN FD - making the original optimal for brownfield industrial upgrades requiring Ethernet + CAN FD coexistence.
Availability
R7FS3A6783A01CNF#AA0 is available at Aetrix Electronics and suitable for industrial HMI, smart energy gateways, networked motor drives, and factory asset monitors requiring stable component supply across extended product lifecycles.
Supply support for R7FS3A6783A01CNF#AA0 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Renesas Electronics Corporation is a global semiconductor leader headquartered in Tokyo, Japan, specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and enterprise markets.
The Synergy S3 Series - including R7FS3A6783A01CNF#AA0 - was designed for mid-range industrial IoT edge nodes requiring real-time processing, secure connectivity, and functional safety support without premium cost premiums.
FAQ
What is the maximum operating frequency of the R7FS3A6783A01CNF#AA0?
The R7FS3A6783A01CNF#AA0 operates at a maximum CPU frequency of 120 MHz using its on-chip PLL with external crystal or oscillator input. This frequency is fully supported across the industrial temperature range (–40°C to +85°C) and enables deterministic execution of real-time control loops and protocol stacks. The R7FS3A6783A01CNF#AA0 maintains timing compliance under all specified voltage and thermal conditions per its electrical characteristics table.
Does the R7FS3A6783A01CNF#AA0 support CAN FD, and what data rates are achievable?
Yes, the R7FS3A6783A01CNF#AA0 integrates a CAN FD controller compliant with ISO 11898-1:2015, supporting arbitration bit rates up to 1 Mbps and data bit rates up to 5 Mbps. It includes dedicated message RAM with FIFO and buffer management, enabling robust handling of high-throughput fieldbus traffic in industrial automation systems. The R7FS3A6783A01CNF#AA0's CAN FD peripheral operates independently of CPU load via DMA-assisted transfers.
What security features are implemented in hardware on the R7FS3A6783A01CNF#AA0?
The R7FS3A6783A01CNF#AA0 includes dedicated hardware accelerators for AES-128/256 encryption/decryption, SHA-256 hashing, and a true random number generator (TRNG). It also features secure boot ROM with immutable public key verification and flash protection mechanisms (region locking, write protection). These capabilities enable the R7FS3A6783A01CNF#AA0 to establish a hardware-rooted chain of trust for firmware authentication and secure data handling.
Is Ethernet connectivity supported on the R7FS3A6783A01CNF#AA0, and what interface does it use?
Yes, the R7FS3A6783A01CNF#AA0 includes an integrated 10/100 Ethernet MAC supporting IEEE 802.3 compliant communication via RMII interface. It requires an external PHY chip and provides dedicated pins for REF_CLK, TX_EN, TXD[1:0], RXD[1:0], CRS_DV, and RX_ER with controlled timing skew. This configuration allows the R7FS3A6783A01CNF#AA0 to serve as a deterministic edge node in industrial Ethernet networks without external MAC components.
What development tools and software support are available for the R7FS3A6783A01CNF#AA0?
The R7FS3A6783A01CNF#AA0 is fully supported by the Renesas e2 studio IDE, Synergy Software Package (SSP) v3.x, and the Synergy Configuration Tool. It is compatible with the SK-S3A6 starter kit and DK-S3A6 development kit. The R7FS3A6783A01CNF#AA0 benefits from certified middleware including FreeRTOS, TCP/IP stack, USBX, and functional safety libraries aligned with IEC 61508 SIL2 and UL 60730 Class B.
R7FS3A6783A01CNF#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 40-WFQFN Exposed Pad
- Series:
- Renesas Synergy™ S3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4
- Core Size:
- 32-Bit Single-Core
- Speed:
- 48MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, MMC/SD, QSPI, SCI, SPI, SSI, UART/USART, USB
- Peripherals:
- DMA, LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 28
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 11x14b SAR; D/A 2x8b, 1x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FS3A6783A01CNF#AA0 FAQ
1.How can I place an order for R7FS3A6783A01CNF#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS3A6783A01CNF#AA0 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for R7FS3A6783A01CNF#AA0 reliable?
The price and inventory of R7FS3A6783A01CNF#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS3A6783A01CNF#AA0 is usually 5 days.
3.What payment methods are accepted for R7FS3A6783A01CNF#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS3A6783A01CNF#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FS3A6783A01CNF#AA0?
R7FS3A6783A01CNF#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS3A6783A01CNF#AA0 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for R7FS3A6783A01CNF#AA0?
For technical support, including R7FS3A6783A01CNF#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS3A6783A01CNF#AA0 requirements.
6.How does Aetrix verify that R7FS3A6783A01CNF#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FS3A6783A01CNF#AA0 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that R7FS3A6783A01CNF#AA0 meets industry standards.
7.What is the process for return or replacement of R7FS3A6783A01CNF#AA0?
All R7FS3A6783A01CNF#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS3A6783A01CNF#AA0, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The R7FS3A6783A01CNF#AA0 part is unused and in its original packaging.
Return procedure for R7FS3A6783A01CNF#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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