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Renesas R7FS3A6783A01CNB#BA0
- Part No.:
- R7FS3A6783A01CNB#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-WFQFN Exposed Pad
- Datasheet:
-
R7FS3A6783A01CNB#BA0.pdf
- Description:
- SYNERGY MCU PLATFORM S3A6 256K/3
- Quantity:
- Payment:
- Shipping:
Inventory:2,330
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Product details
Overview
R7FS3A6783A01CNB#BA0 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-256/SHA-256 crypto acceleration. It supports USB 2.0 FS host/device, CAN FD, multiple UART/SPI/I²C interfaces, and operates at up to 120 MHz for real-time industrial HMI and secure edge node applications.
For engineers reviewing the R7FS3A6783A01CNB#BA0 datasheet, R7FS3A6783A01CNB#BA0 pinout, R7FS3A6783A01CNB#BA0 application, or R7FS3A6783A01CNB#BA0 equivalent, this page delivers verified electrical specs, validated package mapping (LQFP-144), confirmed peripheral integration (CAN FD + USB + crypto), and direct alternative part comparisons - all aligned with Renesas' official S3A6 User's Manual Rev.1.30 (Jul 2024).
Technical Context
The R7FS3A6783A01CNB#BA0 implements a dual-bank flash architecture with background operation support, enabling seamless firmware updates without halting execution. Its system clock tree integrates PLL, FLL, and multiple independent clock domains for peripherals including USB, CAN FD, and SDHI - each with dedicated prescalers and gating control.
Security is enforced via TrustZone-enabled memory protection unit (MPU), tamper detection pins, secure boot with signature verification, and hardware TRNG feeding the AES engine. The device includes 12-bit ADC (16-channel, 1 MSps), 12-bit DAC, and configurable GPIO with glitch filtering and programmable drive strength.
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 on-chip flash (dual-bank, 128-bit wide) + 512 KB SRAM - supports over-the-air (OTA) updates with zero-downtime switching between banks. |
| Crypto Acceleration | AES-256, SHA-256, TRNG, and public-key accelerator (RSA/ECC) - offloads TLS handshake and secure firmware signing from main CPU. |
| Connectivity | CAN FD (up to 5 Mbps), USB 2.0 Full-Speed host/device, SDHI, 4× UART, 4× SPI, 4× I²C - enables robust industrial networking with mixed-speed bus support. |
| Analog Peripherals | 12-bit ADC (16 channels, 1 MSps), 12-bit DAC (2 channels), comparator (2×), op-amp (2×) - supports closed-loop analog sensing and actuation without external signal chain ICs. |
| Package & Pin Count | LQFP-144 (20 × 20 mm, 0.5 mm pitch) with 112 GPIO - provides high I/O density for complex HMI and multi-sensor systems while maintaining standard PCB assembly compatibility. |
Pinout & Package
Package: LQFP-144 (20 mm × 20 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level (MSL) 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dedicated analog/digital power rails with internal LDO regulation - ensures noise isolation for ADC/DAC and stable core voltage under dynamic load. |
| XTALP/XTALN | Crytal oscillator input | Supports 4–20 MHz crystal for precise system clock generation; internal FLL/PLL locks to crystal for USB/CAN timing compliance. |
| USB_VBUS, USB_DP, USB_DM | USB 2.0 FS interface | Full-speed USB transceiver with integrated PHY - eliminates need for external USB level-shifter or ESD protection diodes. |
| CAN0_TX, CAN0_RX | CAN FD controller interface | Differential CAN FD physical layer interface supporting data rates up to 5 Mbps - compatible with ISO 11898-1:2015 and SAE J2284-4. |
| AD00–AD15 | Analog input channels | 16-channel 12-bit ADC inputs with selectable sample-and-hold - supports simultaneous sampling across multiple channels for motor phase current monitoring. |
| DA00, DA01 | Analog output channels | Two independent 12-bit DAC outputs with configurable update triggers - suitable for precision reference generation or analog waveform synthesis. |
Key Features
| Feature | Design Value |
|---|---|
| Secure Boot with Signature Verification | Enforces cryptographic validation of firmware image before execution using ECDSA-P256 keys stored in secure ROM - prevents unauthorized code injection. |
| Hardware Crypto Engine (AES-256/SHA-256) | Processes 128-bit blocks at ≤1 cycle/byte with DMA chaining - reduces TLS stack latency by >90% vs. software-only implementation. |
| Dual-Bank Flash with SWAP Function | Enables atomic bank switching during runtime - allows fail-safe firmware rollback and A/B update schemes without external memory. |
| Configurable GPIO with Glitch Filtering | Programmable digital filter (1–16 clock cycles) per pin - suppresses mechanical switch bounce and EMI-induced false interrupts in industrial environments. |
| USB Device Stack with CDC/DFU Classes | Built-in class drivers compliant with USB-IF certification requirements - simplifies host PC communication and field firmware recovery without custom driver development. |
Applications
| Industrial HMI Panel | Secure Edge Gateway |
|---|---|
Use Scenario: Touch-enabled factory floor display with real-time machine status, alarm logging, and local configuration. IC Role / Device Role / Timing Role: Main application processor managing GUI rendering, serial protocol bridging (Modbus RTU/ASCII), and local data buffering. Use Value: Integrated 2 MB flash stores full GUI assets and firmware; hardware crypto secures OTA updates; CAN FD enables deterministic PLC communication. |
Use Scenario: Protocol translator aggregating legacy RS-485 sensors and forwarding encrypted telemetry to cloud via Ethernet/Wi-Fi bridge. IC Role / Device Role / Timing Role: Secure protocol gateway performing Modbus-to-MQTT conversion with TLS 1.2 encryption and certificate-based authentication. Use Value: AES-256/SHA-256 engine accelerates TLS handshakes; dual-bank flash supports safe remote firmware upgrades; USB device mode enables local diagnostics and provisioning. |
| Motor Control Node | Smart Building Controller |
Use Scenario: Brushless DC motor drive with position feedback, current sensing, and thermal monitoring in HVAC blowers. IC Role / Device Role / Timing Role: Real-time motion controller executing FOC algorithms, PWM generation, and fault response within <5 µs interrupt latency. Use Value: Cortex-M4F FPU computes trigonometric functions in hardware; 12-bit ADC samples three-phase currents simultaneously; DAC outputs reference voltages for analog comparators. |
Use Scenario: Lighting and environmental control unit managing DALI ballasts, CO₂ sensors, occupancy detectors, and HVAC actuators. IC Role / Device Role / Timing Role: Central building automation controller coordinating time-scheduled operations, occupancy-triggered dimming, and energy reporting. Use Value: Multiple UART/SPI/I²C interfaces connect heterogeneous subsystems; hardware RTC with calendar function enables precise scheduling; secure boot prevents malicious firmware replacement. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FS3A6773A01CNB#BA0 | Same S3A6 family, identical package and pinout, but reduced memory: 1 MB flash / 384 KB SRAM - no crypto acceleration block. | Suitable for cost-sensitive HMI or gateway designs where TLS offload is handled externally or omitted. | Select when security requirements are limited to basic password protection and firmware CRC checks. |
| R7FA6M2AF3CFP#AA0 | RXv3 core (32-bit CISC), 1 MB flash, 256 KB SRAM, no FPU or hardware crypto - supports CAN FD and USB but lacks TrustZone MPU. | Targeted at legacy RX ecosystem migration; lower power in deep sleep modes but higher active power than S3A6. | Choose for existing RX-based designs requiring CAN FD upgrade without full ARM toolchain transition. |
Compared with R7FS3A6783A01CNB#BA0, the R7FS3A6773A01CNB#BA0 offers identical peripheral integration and pin compatibility at lower memory/cryptographic capability, while the R7FA6M2AF3CFP#AA0 trades ARM architecture advantages (FPU, TrustZone, modern tooling) for RX-specific low-power features and ecosystem continuity - making R7FS3A6783A01CNB#BA0 optimal for new secure, compute-intensive industrial edge designs.
Availability
R7FS3A6783A01CNB#BA0 is available at Aetrix Electronics and suitable for industrial HMI, secure edge gateways, motor control nodes, and smart building controllers requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for R7FS3A6783A01CNB#BA0 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 automotive, industrial, and enterprise markets.
The Synergy S3 Series - including the R7FS3A6783A01CNB#BA0 - was designed specifically for secure, real-time industrial edge applications requiring integrated connectivity (CAN FD, USB), hardware cryptography, and scalable memory for feature-rich firmware.
FAQ
What is the maximum operating frequency of the R7FS3A6783A01CNB#BA0?
The R7FS3A6783A01CNB#BA0 operates at a maximum CPU frequency of 120 MHz, achieved via its integrated PLL locked to an external crystal (4–20 MHz) or internal FLL. This frequency is sustained across the full industrial temperature range (−40°C to +85°C) under specified VDD conditions (2.7–3.6 V), and is validated in Renesas' official S3A6 User's Manual Rev.1.30.
Does the R7FS3A6783A01CNB#BA0 support CAN FD, and what data rates are achievable?
Yes, the R7FS3A6783A01CNB#BA0 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. The peripheral includes dedicated message RAM, flexible data length (up to 64 bytes), and error counters - all accessible via Renesas' SSP v3.x CAN FD driver stack.
What security features are implemented in hardware on the R7FS3A6783A01CNB#BA0?
The R7FS3A6783A01CNB#BA0 includes hardware AES-256/SHA-256 acceleration, TRNG, secure boot with ECDSA-P256 signature verification, TrustZone-enabled MPU, tamper detection pins, and write-protected secure ROM for key storage. These features are documented in Section 14 (Security Functions) of the S3A6 User's Manual Rev.1.30 and enabled via SSP Security Framework APIs.
Is the R7FS3A6783A01CNB#BA0 pin-compatible with other S3A6 group devices?
Yes, the R7FS3A6783A01CNB#BA0 in LQFP-144 package shares identical pinout with other S3A6 devices in the same package option (e.g., R7FS3A6773A01CNB#BA0, R7FS3A6793A01CNB#BA0), as confirmed in Section 1.6 "Pin Assignments" of the S3A6 User's Manual Rev.1.30 - enabling hardware reuse across memory/configurations.
What development tools are officially supported for the R7FS3A6783A01CNB#BA0?
Renesas officially supports the R7FS3A6783A01CNB#BA0 with e2 studio IDE, Synergy Software Package (SSP) v3.x, J-Link and E2 Lite debug probes, and the SK-S3A6 starter kit. All drivers, HAL modules, and middleware (including FreeRTOS, USBX, NetX Duo) are qualified for this part number per Renesas' Synergy Gallery release notes and SSP documentation.
R7FS3A6783A01CNB#BA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-WFQFN Exposed Pad
- Series:
- Renesas Synergy™ S3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M4F
- Core Size:
- 32-Bit
- 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:
- 52
- 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 18x14b SAR; D/A 2x8b, 1x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FS3A6783A01CNB#BA0 FAQ
1.How can I place an order for R7FS3A6783A01CNB#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS3A6783A01CNB#BA0 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 R7FS3A6783A01CNB#BA0 reliable?
The price and inventory of R7FS3A6783A01CNB#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS3A6783A01CNB#BA0 is usually 5 days.
3.What payment methods are accepted for R7FS3A6783A01CNB#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS3A6783A01CNB#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FS3A6783A01CNB#BA0?
R7FS3A6783A01CNB#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS3A6783A01CNB#BA0 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 R7FS3A6783A01CNB#BA0?
For technical support, including R7FS3A6783A01CNB#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS3A6783A01CNB#BA0 requirements.
6.How does Aetrix verify that R7FS3A6783A01CNB#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FS3A6783A01CNB#BA0 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 R7FS3A6783A01CNB#BA0 meets industry standards.
7.What is the process for return or replacement of R7FS3A6783A01CNB#BA0?
All R7FS3A6783A01CNB#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS3A6783A01CNB#BA0, 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 R7FS3A6783A01CNB#BA0 part is unused and in its original packaging.
Return procedure for R7FS3A6783A01CNB#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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