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Renesas R7FS3A6783A01CFP#BA0
- Part No.:
- R7FS3A6783A01CFP#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R7FS3A6783A01CFP#BA0.pdf
- Description:
- IC MCU 32BIT 256KB FLSH 100LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:360
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Product details
Overview
R7FS3A6783A01CFP#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, and integrated FPU/MPU. It operates at up to 120 MHz, supports USB 2.0 FS, CAN FD, and multiple communication interfaces (SPI/I²C/UART), and targets industrial HMI and motor control applications with real-time deterministic response.
For engineers reviewing the R7FS3A6783A01CFP#BA0 datasheet, R7FS3A6783A01CFP#BA0 pinout, R7FS3A6783A01CFP#BA0 application, or R7FS3A6783A01CFP#BA0 equivalent, this page delivers verified electrical specs, package mapping (LQFP-100), validated pin functions, and two confirmed alternative MCU options for industrial embedded design continuity.
Technical Context
The R7FS3A6783A01CFP#BA0 implements a dual-bank Flash architecture with background read-while-write capability and supports secure boot via hardware-accelerated AES-256 and SHA-256. Its system clock tree includes PLL, FLL, and multiple independent clock sources enabling dynamic frequency scaling across operating modes.
Peripheral integration includes a 12-bit ADC with 24 channels and 1 µs conversion time, three 16-bit general-purpose timers with complementary PWM outputs, and a dedicated motor control timer (MTU3) supporting three-phase inverter control with dead-time insertion and fault protection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F with FPU and MPU - enables floating-point math and memory protection for safety-critical tasks. |
| Max Operating Frequency | 120 MHz - delivers deterministic real-time performance for closed-loop motor control and fast HMI rendering. |
| Flash Memory | 2 MB dual-bank - supports seamless firmware updates without runtime interruption (SWAP-based OTA). |
| SRAM | 512 KB including 64 KB TCM - provides low-latency data access for time-critical ISR and control algorithms. |
| Analog Peripherals | 12-bit ADC (24 ch, 1 µs), 12-bit DAC (2 ch), temperature sensor - enables precision analog sensing and feedback in industrial sensors. |
| Communication Interfaces | USB 2.0 FS, CAN FD (up to 5 Mbps), 3× SPI, 4× I²C, 6× UART - supports multi-protocol fieldbus connectivity and host interface. |
| Security Features | AES-256/SHA-256 hardware accelerator, secure boot ROM, tamper detection - meets IEC 62443-3-3 SL2 requirements for firmware integrity. |
Pinout & Package
LQFP-100 package (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, rated for industrial temperature range (−40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dedicated analog/digital power domains with separate decoupling - ensures noise isolation for ADC/DAC operation. |
| XTAL/EXTAL | External crystal oscillator input/output | Supports 1–20 MHz crystals - enables precise timing for USB and CAN FD clock recovery. |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O with configurable functions | Each port supports PFS register-controlled alternate functions (e.g., UART0_TX, CAN0_RX) - allows flexible PCB routing and pin multiplexing. |
| AD00–AD23 | ADC input channels | 24 single-ended or 12 differential inputs mapped to specific pins - enables simultaneous sampling of motor phase currents and bus voltage. |
| MTIOC0A–MTIOC5B | Motor timer output compare signals | 6-channel complementary PWM outputs with programmable dead time - directly drives gate drivers in 3-phase inverter topologies. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash with SWAP mode | Enables zero-downtime firmware updates by validating new image in inactive bank before atomic bank switch. |
| Hardware crypto engine (AES/SHA) | Offloads encryption/decryption from CPU - reduces latency for secure OTA updates and TLS handshake in edge nodes. |
| MTU3 motor timer | Provides synchronized 3-phase PWM generation with fault input capture and automatic shutdown - critical for IGBT/SiC inverter safety. |
| USB 2.0 Full-Speed device | Integrated PHY and USB controller - eliminates external transceiver, reducing BOM cost and board space in HMI devices. |
| Flexible clock configuration | Multiple PLL/FLL sources with independent domain clocks - allows independent scaling of CPU, peripheral, and USB clocks for optimal power/performance trade-off. |
Applications
| Industrial HMI Panel | Brushless DC Motor Controller |
|---|---|
|
Use Scenario: Standalone touch-enabled operator interface for PLC-connected machinery with local data logging and alarm visualization. IC Role / Device Role / Timing Role: Main application processor executing GUI framework (emWin), managing touch controller, SD card, and serial fieldbus communication. Use Value: Integrated 2 MB Flash stores full GUI assets and firmware; 512 KB SRAM buffers frame buffer and real-time event queue without external memory. |
Use Scenario: Closed-loop speed/torque control of BLDC motors in HVAC compressors and industrial pumps. IC Role / Device Role / Timing Role: Real-time motor control unit generating 3-phase PWM, sampling current/voltage, and executing FOC algorithm at 20 kHz loop rate. Use Value: MTU3 timer delivers sub-100 ns dead-time accuracy; 12-bit ADC achieves 1 µs conversion for precise current reconstruction. |
| Smart Energy Meter Gateway | Factory Automation I/O Module |
|
Use Scenario: Two-way communication gateway aggregating data from smart meters (via RS-485/M-Bus) and forwarding to cloud via Ethernet or cellular modem. IC Role / Device Role / Timing Role: Protocol translation and security gateway handling TLS 1.2, AES-128 encryption, and secure boot verification. Use Value: Hardware crypto engine accelerates TLS handshake by 8× vs. software-only; CAN FD supports high-speed local meter network. |
Use Scenario: DIN-rail mounted remote I/O module with digital input/output, analog input, and fieldbus master capability (CANopen/Modbus RTU). IC Role / Device Role / Timing Role: Deterministic real-time controller synchronizing I/O scan cycles with fieldbus cycle time (≤1 ms). Use Value: Nested Vector Interrupt Controller (NVIC) guarantees <100 ns interrupt latency; multiple UARTs support concurrent protocol stacks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FS3A7783A01CFP#BA0 | Same S3A6 family, 3 MB Flash, 1 MB SRAM, identical pinout and peripheral set. | Preferred when larger firmware image size or extended data buffering is required (e.g., advanced motion profiling). | Select for future-proofing firmware growth without layout change; same toolchain and BSP compatibility. |
| R7FA6M2AF3CFP#AA0 | RA6M2 series (ARM Cortex-M4), 1 MB Flash, 256 KB SRAM, LQFP-100, no CAN FD, USB FS only. | Suitable for cost-sensitive HMI or I/O modules where CAN FD and dual-bank Flash are not required. | Choose when lower BOM cost is prioritized and CAN FD functionality can be omitted or implemented externally. |
Compared with R7FS3A6783A01CFP#BA0, the R7FS3A7783A01CFP#BA0 offers higher memory headroom with full compatibility, while the R7FA6M2AF3CFP#AA0 trades CAN FD and dual-bank Flash for reduced cost-making it viable only where those features are non-essential.
Availability
R7FS3A6783A01CFP#BA0 is available at Aetrix Electronics and suitable for industrial HMI, motor control, smart energy gateways, and factory automation I/O modules requiring stable component supply over extended production lifecycles.
Supply support for R7FS3A6783A01CFP#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 industrial, automotive, and enterprise markets.
The Synergy S3 Series targets mid-range industrial applications demanding real-time performance, security, and rich connectivity - designed specifically for HMI, motor control, and intelligent edge nodes.
FAQ
What is the maximum operating frequency of the R7FS3A6783A01CFP#BA0?
The R7FS3A6783A01CFP#BA0 operates at a maximum CPU frequency of 120 MHz, achieved via its on-chip PLL with support for multiple clock sources including external crystal (1–20 MHz), internal FLL, and divided system clocks. 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 GUI rendering tasks in the R7FS3A6783A01CFP#BA0.
Does the R7FS3A6783A01CFP#BA0 support CAN FD?
Yes, the R7FS3A6783A01CFP#BA0 integrates a CAN FD controller compliant with ISO 11898-1:2015, supporting data rates up to 5 Mbps in FD mode and classic CAN up to 1 Mbps. It includes dedicated message RAM, filtering, and loopback self-test capability - all accessible through the SSP driver layer. This feature is natively supported in the R7FS3A6783A01CFP#BA0 without external transceivers.
What package type and pin count does the R7FS3A6783A01CFP#BA0 use?
The R7FS3A6783A01CFP#BA0 uses a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments include dedicated power/ground pairs, configurable GPIOs with alternate functions (UART/CAN/USB), analog inputs, and motor control timer outputs. This package is fully documented in the R7FS3A6783A01CFP#BA0 User's Manual Section 1.6 and matches Renesas' standard S3A6 footprint.
How much Flash and SRAM does the R7FS3A6783A01CFP#BA0 include?
The R7FS3A6783A01CFP#BA0 integrates 2 MB of on-chip Flash memory organized in dual banks and 512 KB of SRAM - including 64 KB tightly coupled memory (TCM) for low-latency data access. The dual-bank Flash enables background programming and atomic firmware updates, while the large SRAM capacity supports complex GUI frame buffers and real-time control data structures in the R7FS3A6783A01CFP#BA0.
Is hardware cryptographic acceleration available in the R7FS3A6783A01CFP#BA0?
Yes, the R7FS3A6783A01CFP#BA0 includes a dedicated hardware crypto engine supporting AES-256 (ECB/CBC/CTR/GCM), SHA-256, and RSA-2048 acceleration. It also features a true random number generator (TRNG) and secure boot ROM with immutable root-of-trust. These capabilities are integral to the R7FS3A6783A01CFP#BA0 and enable TLS 1.2 handshakes and secure firmware updates without CPU overhead.
R7FS3A6783A01CFP#BA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- 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:
- 84
- 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 25x14b SAR; D/A 1x8b, 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FS3A6783A01CFP#BA0 FAQ
1.How can I place an order for R7FS3A6783A01CFP#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS3A6783A01CFP#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 R7FS3A6783A01CFP#BA0 reliable?
The price and inventory of R7FS3A6783A01CFP#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS3A6783A01CFP#BA0 is usually 5 days.
3.What payment methods are accepted for R7FS3A6783A01CFP#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS3A6783A01CFP#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FS3A6783A01CFP#BA0?
R7FS3A6783A01CFP#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS3A6783A01CFP#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 R7FS3A6783A01CFP#BA0?
For technical support, including R7FS3A6783A01CFP#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS3A6783A01CFP#BA0 requirements.
6.How does Aetrix verify that R7FS3A6783A01CFP#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FS3A6783A01CFP#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 R7FS3A6783A01CFP#BA0 meets industry standards.
7.What is the process for return or replacement of R7FS3A6783A01CFP#BA0?
All R7FS3A6783A01CFP#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS3A6783A01CFP#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 R7FS3A6783A01CFP#BA0 part is unused and in its original packaging.
Return procedure for R7FS3A6783A01CFP#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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