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Renesas R7FS3A6783A01CFM#AA0
- Part No.:
- R7FS3A6783A01CFM#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R7FS3A6783A01CFM#AA0.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 64LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:338
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Product details
Overview
R7FS3A6783A01CFM#AA0 from Renesas is a 48-MHz Arm Cortex-M4 microcontroller with FPU, 256-KB code flash, 32-KB SRAM, integrated Segment LCD Controller (SLCDC), Capacitive Touch Sensing Unit (CTSU), USB 2.0 Full-Speed interface, 14-bit ADC, and hardware AES/SHA security engine - designed for low-power industrial HMI and battery-backed metering applications.
For engineers reviewing the R7FS3A6783A01CFM#AA0 datasheet, R7FS3A6783A01CFM#AA0 pinout, R7FS3A6783A01CFM#AA0 application, or R7FS3A6783A01CFM#AA0 equivalent, key selection considerations include its 64-pin LQFP package, -40°C to +105°C operating range, dual watchdog timers (WDT/IWDT), on-chip RTC with battery backup, and support for both USB device and host modes per Battery Charging Spec 1.2.
Technical Context
This MCU implements an Armv7E-M architecture with DSP extensions and single-precision FPU, enabling real-time signal processing in motor control and audio applications. Its memory subsystem includes ECC-protected SRAM, 8-KB data flash rated for 100,000 P/E cycles, and Flash Cache to sustain 48-MHz core performance.
The peripheral set integrates safety-critical features including CAC for clock accuracy monitoring, CRC calculator with snoop capability, DOC for 16-bit arithmetic, and MPU with eight regions - all supporting functional safety compliance in industrial control systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M4 @ 48 MHz with FPU and DSP instruction set - enables floating-point math for sensor fusion and motor algorithms without external coprocessor. |
| Memory | 256-KB code flash + 8-KB data flash + 32-KB SRAM (16 KB ECC + 16 KB parity) - supports firmware updates, parameter storage, and real-time buffer handling. |
| Analog | 14-bit ADC (25 channels), 12-bit DAC, 2× ACMPLP, 4× OPAMP, TSN - allows precision sensor acquisition, analog output control, and on-die temperature monitoring. |
| Connectivity | USB 2.0 FS (host/device), CAN 2.0B, 4× SCI, 2× I2C, 2× SPI, SSIE - provides robust fieldbus, human interface, and audio streaming capability. |
| HMI | Segment LCD Controller (38×4 or 34×8), CTSU (27 electrodes) - drives multiplexed LCDs and detects touch through insulating overlays without external ICs. |
| Security | SCE5 with AES128/256, GHASH, TRNG - delivers certified cryptographic acceleration for secure boot, OTA updates, and data confidentiality. |
| Power & Temp | VCC = 1.6–5.5 V; Ta = -40°C to +105°C in 64-pin LQFP - ensures operation across wide industrial supply rails and extended ambient conditions. |
Pinout & Package
Package: 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch), RoHS-compliant Sn terminal finish, rated for -40°C to +105°C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual power domains: VCC powers digital/analog logic; VSS is common reference - requires local 0.1-μF decoupling per VCC pin. |
| XTAL / EXTAL | Main oscillator interface | Supports 1–20 MHz crystal or external clock input - enables precise timing for USB and real-time control loops. |
| USB_VBUS / USB_DP / USB_DM | USB 2.0 Full-Speed interface | Integrated transceiver with internal 3.3-V LDO - eliminates need for external USB PHY; supports BC1.2 charging detection. |
| SLCD_SEG0–37 / SLCD_COM0–7 | Segment LCD driver outputs | Direct drive of up to 38 segments × 4 commons or 34 × 8 - reduces BOM count for panel-based HMIs. |
| CTSU_TS0–26 | Capacitive touch sensing inputs | 27 dedicated CTSU electrode pins - enables multi-button/slider/touchpad interfaces with noise-immune delta-sigma measurement. |
| GPTx_IOCA/B | PWM capture/compare I/O | Hardware-timed PWM generation and edge capture - supports BLDC commutation, servo control, and encoder interfacing. |
Key Features
| Feature | Design Value |
|---|---|
| Realtime Clock with battery backup | Retains calendar time and alarm functions during main power loss using VBATT - essential for energy meters and data loggers. |
| Event Link Controller (ELC) | Enables direct peripheral-to-peripheral triggering (e.g., ADC conversion start → DMA transfer) without CPU intervention - reduces latency and CPU load. |
| Low-Power Asynchronous Timers (AGT) | Two independent 16-bit timers running from LOCO (32.768 kHz) - maintain timing in deep sleep modes with sub-millisecond resolution. |
| Secure Crypto Engine 5 (SCE5) | Hardware-accelerated AES/GHASH/TRNG - achieves >10 Mbps encryption throughput while isolating keys from software access. |
| Operational Amplifier array | Four rail-to-rail OPAMPs with programmable gain - condition sensor signals (e.g., thermocouples, strain gauges) before ADC sampling. |
Applications
| Industrial Energy Metering | Smart Thermostat HMI |
|---|---|
Use Scenario: Three-phase electricity meter with tamper detection, tariff switching, and LCD display. IC Role / Device Role / Timing Role: Main controller executing metrology algorithms, managing RTC calendar, driving segment LCD, and securing communication via SCE5. Use Value: Integrated 14-bit ADC, TSN, and battery-backed RTC eliminate external components; USB/SCI enable firmware updates and utility-side diagnostics. | Use Scenario: Wall-mounted HVAC controller with capacitive touch buttons, temperature sensing, and local display. IC Role / Device Role / Timing Role: HMI processor handling CTSU touch events, OPAMP-conditioned NTC readings, SLCDC-driven LCD, and BLE bridge via SCI. Use Value: Single-chip solution replaces discrete touch controller + LCD driver + analog front-end - reducing PCB area and BOM cost by 30%. |
| Programmable Logic Controller (PLC) I/O Module | USB-C Powered Industrial Sensor Node |
Use Scenario: DIN-rail mounted remote I/O module with analog inputs, digital outputs, and CAN fieldbus interface. IC Role / Device Role / Timing Role: Real-time I/O coordinator using GPT16 for pulse-width modulation, AGT for cyclic sampling, and CAN for master-slave messaging. Use Value: Dual watchdogs (WDT/IWDT), ECC SRAM, and CAC ensure deterministic behavior under EMI stress - meeting IEC 61000-4 immunity requirements. | Use Scenario: Self-powered environmental sensor node drawing power from USB-C PD port while reporting CO₂, humidity, and temperature. IC Role / Device Role / Timing Role: Power-aware system manager using LVD for brown-out protection, USBFS as PD sink, and SSIE for MEMS microphone audio streaming. Use Value: USB Battery Charging 1.2 compliance enables direct 5-V USB-C sourcing; low-power modes extend runtime between recharges. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FS3A6783A01CFP | 100-pin LQFP, 81 GPIO, full peripheral set including 4× SCI and 2× CAN - adds 16 more I/O and second CAN channel. | Required for complex industrial gateways needing dual CAN buses and expanded serial connectivity. | Select when board layout accommodates larger footprint and additional I/O/CAN are mandatory. |
| R7FS3A6783A01CNE | 64-pin QFN (8 mm × 8 mm), identical memory/peripherals but different thermal and mechanical profile - no exposed pad, lower thermal resistance. | Preferred for space-constrained designs where LQFP lead pitch causes soldering challenges or thermal management is critical. | Choose for compact PCBs with automated optical inspection constraints or higher ambient temperature environments. |
Compared with R7FS3A6783A01CFM#AA0, the CFП variant offers greater I/O and dual CAN at the cost of larger size, while the CNE QFN variant maintains identical functionality in a smaller, thermally optimized package - making R7FS3A6783A01CFM#AA0 the optimal balance of pin count, feature set, and manufacturability for mid-tier HMI applications.
Availability
R7FS3A6783A01CFM#AA0 is available at Aetrix Electronics and suitable for industrial energy metering, smart thermostat HMI, PLC I/O modules, and USB-C powered sensor nodes requiring stable component supply across extended temperature ranges.
Supply support for R7FS3A6783A01CFM#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 delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT markets.
The R7FS3A6783A01CFM#AA0 belongs to the Synergy S3A6 Microcontroller Group - engineered for high-efficiency, low-power HMI and industrial control applications with integrated LCD, touch, USB, and security features.
FAQ
What is the maximum operating frequency and core architecture of the R7FS3A6783A01CFM#AA0?
The R7FS3A6783A01CFM#AA0 features an Arm Cortex-M4 core with Floating Point Unit (FPU), operating at a maximum frequency of 48 MHz. It implements the Armv7E-M architecture with DSP instruction set and supports single-precision IEEE 754 floating-point operations - enabling efficient execution of control algorithms and sensor fusion tasks without external math coprocessors.
Does the R7FS3A6783A01CFM#AA0 support USB device and host functionality?
Yes, the R7FS3A6783A01CFM#AA0 integrates a USB 2.0 Full-Speed Module (USBFS) that supports both device and host modes. It complies with USB Battery Charging Specification 1.2 and includes an on-chip transceiver with internal 3.3-V LDO regulator - allowing direct connection to USB connectors without external PHY components.
What LCD and touch capabilities does the R7FS3A6783A01CFM#AA0 provide?
The R7FS3A6783A01CFM#AA0 includes a Segment LCD Controller (SLCDC) supporting up to 38 segments × 4 commons or 34 segments × 8 commons, and a Capacitive Touch Sensing Unit (CTSU) with up to 27 electrode inputs. These integrated peripherals eliminate the need for external LCD drivers or touch controllers in cost-sensitive HMI designs.
How is memory protection implemented in the R7FS3A6783A01CFM#AA0?
The R7FS3A6783A01CFM#AA0 implements memory protection using an Arm Memory Protection Unit (MPU) with eight configurable regions, plus separate ECC protection for 16 KB of SRAM and parity checking for another 16 KB. This layered approach safeguards against accidental writes, stack overflows, and memory corruption in safety-critical applications.
What are the supported operating temperature and package options for the R7FS3A6783A01CFM#AA0?
The R7FS3A6783A01CFM#AA0 is specified for operation from -40°C to +105°C and is packaged in a 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch) with Sn (tin) terminal finish. This industrial-grade package ensures reliability in demanding environments such as factory automation and outdoor metering equipment.
R7FS3A6783A01CFM#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-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:
- 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; D/A 3x8b, 3x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FS3A6783A01CFM#AA0 FAQ
1.How can I place an order for R7FS3A6783A01CFM#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS3A6783A01CFM#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 R7FS3A6783A01CFM#AA0 reliable?
The price and inventory of R7FS3A6783A01CFM#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS3A6783A01CFM#AA0 is usually 5 days.
3.What payment methods are accepted for R7FS3A6783A01CFM#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS3A6783A01CFM#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FS3A6783A01CFM#AA0?
R7FS3A6783A01CFM#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS3A6783A01CFM#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 R7FS3A6783A01CFM#AA0?
For technical support, including R7FS3A6783A01CFM#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS3A6783A01CFM#AA0 requirements.
6.How does Aetrix verify that R7FS3A6783A01CFM#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FS3A6783A01CFM#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 R7FS3A6783A01CFM#AA0 meets industry standards.
7.What is the process for return or replacement of R7FS3A6783A01CFM#AA0?
All R7FS3A6783A01CFM#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS3A6783A01CFM#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 R7FS3A6783A01CFM#AA0 part is unused and in its original packaging.
Return procedure for R7FS3A6783A01CFM#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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