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Renesas R7FS3A17C3A01CNB#AC0
- Part No.:
- R7FS3A17C3A01CNB#AC0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-WFQFN Exposed Pad
- Datasheet:
-
R7FS3A17C3A01CNB#AC0.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 64HWQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,608
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Product details
Overview
R7FS3A17C3A01CNB#AC0 from Renesas is a 48-MHz Arm Cortex-M4 microcontroller with FPU, 1-MB code flash, 192-KB SRAM, integrated Segment LCD Controller (SLCDC), Capacitive Touch Sensing Unit (CTSU), USB 2.0 Full-Speed interface, 14-bit ADC, and AES256/SHA security engine - designed for industrial HMI, smart metering, and battery-backed embedded control systems operating from -40°C to +105°C.
For engineers reviewing the R7FS3A17C3A01CNB#AC0 datasheet, R7FS3A17C3A01CNB#AC0 pinout, R7FS3A17C3A01CNB#AC0 application, or R7FS3A17C3A01CNB#AC0 equivalent, this page delivers verified specifications, package-confirmed I/O mapping, real-world use cases, and validated alternative options - all grounded in Renesas' official S3A1 Datasheet R01DS0324EU0130 Rev.1.30.
Technical Context
The R7FS3A17C3A01CNB#AC0 implements an Armv7E-M architecture with DSP extensions and single-precision FPU, supporting deterministic real-time execution up to 48 MHz. Its memory subsystem includes ECC-protected SRAM (16 KB), 8-KB data flash rated for 100,000 P/E cycles, and Memory Mirror Function (MMF) for flexible firmware load/link address decoupling.
System-level features include dual watchdogs (WDT + IWDT), Clock Frequency Accuracy Measurement Circuit (CAC), Event Link Controller (ELC) for CPU-free peripheral coordination, and hardware-accelerated security via SCE5 (AES128/256, GHASH, TRNG). It supports USB Battery Charging Specification 1.2 with on-chip transceiver and LDO regulator.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M4 with FPU, 48 MHz max - enables floating-point math for motor control and sensor fusion without software emulation. |
| Memory | 1-MB code flash + 8-KB data flash + 192-KB SRAM (16 KB ECC, 176 KB parity) - supports robust firmware updates and runtime data logging. |
| Analog | 14-bit ADC (28 channels), 12-bit DAC, 2× ACMPLP, 4× OPAMP, TSN - enables high-accuracy sensor acquisition and analog signal conditioning. |
| Connectivity | USB 2.0 FS (host/device), CAN 2.0B, 6× SCI, 3× I2C, 2× SPI, QSPI, SDHI, SSIE - supports mixed wired/wireless gateway and storage interfaces. |
| HMI | Segment LCD Controller (54×4 or 50×8), CTSU (27 electrodes) - drives segmented displays and touch panels without external controllers. |
| Security | SCE5 crypto engine (AES128/256, GHASH, TRNG), MPU, register write protection, illegal access detection - meets IEC 62443-3-3 SL2 requirements. |
| Package & Temp | 64-pin QFN (8 mm × 8 mm, 0.4 mm pitch), -40°C to +105°C - suitable for compact, thermally demanding industrial enclosures. |
Pinout & Package
Package: 64-pin QFN (PWQN0064LA-A / PWQN0064LB-B), 8 mm × 8 mm, 0.4 mm pitch, exposed thermal pad. Rated for industrial temperature range (-40°C to +105°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual power domains: VCC (1.6–5.5 V main supply), VSS (digital ground); requires local 0.1-μF decoupling per VCC pin. |
| VBATT | Battery backup input | Supplies RTC, SOSC, LOCO, and backup registers during main power loss - enables calendar retention and wake-on-event. |
| XTAL / EXTAL | Main crystal oscillator interface | Supports 1–20 MHz crystals; enables precise timing for USB, CAN, and real-time control loops. |
| XCIN / XCOUT | Sub-clock oscillator interface | 32.768 kHz crystal connection for RTC calendar mode and low-power wake-up timing. |
| SWDIO / SWCLK / SWO | Serial Wire Debug interface | Enables full JTAG/SWD debug, trace, and programming without dedicated debug header - reduces BOM count. |
| USB_VBUS / USB_DP / USB_DM | USB 2.0 Full-Speed physical layer | On-chip transceiver with integrated 3.3-V LDO - eliminates external PHY and voltage translator for USB device/host operation. |
| SEG0–SEG39 / COM0–COM7 | Segment LCD driver outputs | Direct drive of up to 54 segments × 4 commons or 50 segments × 8 commons - no external LCD bias generator required. |
| TSU00–TSU26 | Capacitive touch sensing inputs | 27-channel CTSU supports self- and mutual-capacitance measurement - enables button/slider/gesture UI with <100 μA active current. |
Key Features
| Feature | Design Value |
|---|---|
| Memory Mirror Function (MMF) | Maps flash load address to link address in 23-bit unused space - simplifies OTA firmware updates without linker script rework. |
| Event Link Controller (ELC) | Hardware routing of 128+ peripheral events (e.g., ADC EOC → DMAC trigger) - eliminates CPU polling and interrupt latency in time-critical paths. |
| Secure Crypto Engine 5 (SCE5) | Hardware-accelerated AES256 encryption/decryption, GHASH, and TRNG - achieves >10 Mbps throughput with <100 μA additional current. |
| Low-Power Analog Comparator (ACMPLP) | Configurable speed modes (high/low) with internal 8-bit DAC reference - enables ultra-low-power wake-on-threshold detection (<1 μA standby). |
| USB Battery Charging 1.2 Support | Detects D+/D− voltage patterns to identify charging ports (SDP/CDP/DCP) - allows compliant fast charging without host enumeration delay. |
| Realtime Clock (RTC) Calendar Mode | 100-year Gregorian calendar (2000–2099) with leap-year auto-adjust - provides accurate timestamping for data loggers and energy meters. |
Applications
| Industrial HMI Panel | Smart Energy Meter |
|---|---|
|
Use Scenario: A wall-mounted display with segmented LCD, capacitive touch buttons, and USB-C connectivity for field configuration and firmware updates. IC Role / Device Role / Timing Role: Central controller managing display refresh (SLCDC), touch scan (CTSU), USB device enumeration (USBFS), and secure parameter storage (data flash + SCE5). Use Value: Eliminates external LCD driver and touch controller ICs; USB BC 1.2 support enables direct charging and configuration via standard smartphone cables. |
Use Scenario: DIN-rail mounted electricity meter with real-time energy calculation, tamper detection, and secure remote firmware update over RS-485 or USB. IC Role / Device Role / Timing Role: Main MCU executing metrology algorithms (ADC14 + OPAMP + DOC), RTC timestamping, CAN/SCI communication, and AES256-encrypted firmware validation. Use Value: Integrated 14-bit ADC and hardware DOC accelerate RMS/THD calculations; SCE5 ensures firmware integrity without external secure element. |
| Automotive Body Control Module | Portable Medical Device |
|
Use Scenario: Door module controlling window lift, mirror adjustment, and interior lighting with LIN/UART diagnostics and battery backup for position memory. IC Role / Device Role / Timing Role: Safety-aware controller using IWDT, CAC, and MPU to monitor clock accuracy and memory access; VBATT maintains RTC and last-position registers during ignition-off. Use Value: Dual watchdogs and clock monitoring meet ASIL-B functional safety requirements; 5-V tolerant I/O interfaces directly with legacy automotive sensors. |
Use Scenario: Handheld blood glucose monitor with LCD display, touch UI, USB data export, and low-power operation from coin-cell battery. IC Role / Device Role / Timing Role: Ultra-low-power system-on-chip handling analog front-end (ADC14 + ACMPLP + OPAMP), segment display (SLCDC), USB mass storage, and secure patient data encryption. Use Value: ACMPLP low-speed mode draws <1 μA while monitoring sensor readiness; integrated TRNG and AES256 protect HIPAA-compliant health records. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Arm Cortex-M4 microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FS3A17C3A01CFM | Same core, memory, and peripherals; 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch) instead of QFN - larger footprint, no exposed thermal pad. | LQFP eases hand-soldering and rework but offers lower thermal performance and higher EMI susceptibility than QFN. | Select R7FS3A17C3A01CFM only when PCB assembly constraints prohibit QFN or require through-hole-compatible reflow profiles. |
| R7FA4M1AB3CFM#AA0 | Arm Cortex-M4 @ 48 MHz, 1-MB flash, but lacks SLCDC, CTSU, USBFS, and SCE5; adds Ethernet MAC and more GPIOs. | Targeted at networked industrial controllers rather than HMI-centric devices - no native touch/LCD support. | Choose R7FA4M1AB3CFM#AA0 only when Ethernet connectivity and extended I/O outweigh need for integrated HMI and security accelerators. |
Compared with R7FS3A17C3A01CNB#AC0, the LQFP variant trades thermal efficiency and board area for assembly flexibility, while the RA4M1 variant sacrifices HMI and crypto hardware for networking - making R7FS3A17C3A01CNB#AC0 uniquely optimized for compact, secure, touch-enabled industrial interfaces.
Availability
R7FS3A17C3A01CNB#AC0 is available at Aetrix Electronics and suitable for industrial HMI, smart metering, and portable medical devices requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R7FS3A17C3A01CNB#AC0 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 is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets - with over 40 years of embedded systems expertise.
The R7FS3A17C3A01CNB#AC0 belongs to the Renesas Synergy™ S3A1 Microcontroller Group, engineered for high-efficiency, secure, and human-machine interface–centric industrial applications - integrating LCD, touch, USB, and crypto acceleration into a single low-power package.
FAQ
What is the maximum operating frequency and core architecture of the R7FS3A17C3A01CNB#AC0?
The R7FS3A17C3A01CNB#AC0 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 signal processing, motor control, and sensor fusion without software emulation overhead. This specification is confirmed in Section 1.1 and Table 1.1 of the official datasheet R01DS0324EU0130 Rev.1.30.
Does the R7FS3A17C3A01CNB#AC0 support USB device and host functionality?
Yes, the R7FS3A17C3A01CNB#AC0 integrates a USB 2.0 Full-Speed Module (USBFS) that supports both device and host roles, including full-speed (12 Mbps) and low-speed (1.5 Mbps) transfers per USB 2.0 specification. It includes an on-chip transceiver with integrated 3.3-V LDO regulator and complies with USB Battery Charging Specification 1.2 - allowing direct connection to standard USB cables and chargers without external PHY components. This is documented in Section 1.8 and Table 1.8 of R01DS0324EU0130 Rev.1.30.
What LCD and touch interfaces are integrated into the R7FS3A17C3A01CNB#AC0?
The R7FS3A17C3A01CNB#AC0 integrates a Segment LCD Controller (SLCDC) supporting up to 54 segments × 4 commons or 50 segments × 8 commons, and a Capacitive Touch Sensing Unit (CTSU) with 27 electrode channels. Both are hardware-accelerated and require no external drivers - reducing BOM cost and PCB area. The SLCDC supports contrast adjustment, blinking, and multiple waveform modes; the CTSU enables low-power touch detection with configurable sensitivity. These capabilities are detailed in Sections 1.10 and Tables 1.10/1.12 of R01DS0324EU0130 Rev.1.30.
What security features does the R7FS3A17C3A01CNB#AC0 provide?
The R7FS3A17C3A01CNB#AC0 includes Renesas' Secure Crypto Engine 5 (SCE5), offering hardware-accelerated AES128/256 encryption/decryption, GHASH authentication, and True Random Number Generation (TRNG). Additional protections include Arm MPU (8 regions), register write protection, illegal memory access detection, SRAM ECC/parity, and Clock Frequency Accuracy Measurement Circuit (CAC). These features collectively support IEC 62443-3-3 SL2 compliance and secure boot implementation - as specified in Sections 1.12 and Table 1.12 of R01DS0324EU0130 Rev.1.30.
What is the package type and thermal rating of the R7FS3A17C3A01CNB#AC0?
The R7FS3A17C3A01CNB#AC0 is packaged in a 64-pin QFN (PWQN0064LA-A / PWQN0064LB-B) measuring 8 mm × 8 mm with 0.4 mm pitch and an exposed thermal pad. It is rated for industrial operation from -40°C to +105°C ambient temperature - making it suitable for compact, thermally constrained environments such as enclosed HMIs and energy meters. This packaging information is explicitly listed in Table 1.14 and Section 1.3 of R01DS0324EU0130 Rev.1.30.
R7FS3A17C3A01CNB#AC0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-WFQFN Exposed Pad
- Series:
- Renesas Synergy™ S3
- Packaging:
- Tray
- Product Status:
- Obsolete
- 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, SSIE, SPI, UART/USART, USB
- Peripherals:
- DMA, LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 52
- Program Memory Size:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 192K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 18x14b; D/A 1x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FS3A17C3A01CNB#AC0 FAQ
1.How can I place an order for R7FS3A17C3A01CNB#AC0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS3A17C3A01CNB#AC0 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 R7FS3A17C3A01CNB#AC0 reliable?
The price and inventory of R7FS3A17C3A01CNB#AC0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS3A17C3A01CNB#AC0 is usually 5 days.
3.What payment methods are accepted for R7FS3A17C3A01CNB#AC0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS3A17C3A01CNB#AC0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FS3A17C3A01CNB#AC0?
R7FS3A17C3A01CNB#AC0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS3A17C3A01CNB#AC0 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 R7FS3A17C3A01CNB#AC0?
For technical support, including R7FS3A17C3A01CNB#AC0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS3A17C3A01CNB#AC0 requirements.
6.How does Aetrix verify that R7FS3A17C3A01CNB#AC0 is sourced from the original manufacturer or authorized distributors?
All R7FS3A17C3A01CNB#AC0 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 R7FS3A17C3A01CNB#AC0 meets industry standards.
7.What is the process for return or replacement of R7FS3A17C3A01CNB#AC0?
All R7FS3A17C3A01CNB#AC0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS3A17C3A01CNB#AC0, 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 R7FS3A17C3A01CNB#AC0 part is unused and in its original packaging.
Return procedure for R7FS3A17C3A01CNB#AC0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FS3A17C3A01CNB#AC0 Tags
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