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Renesas R7FS3A17C2A01CLK#AC0
- Part No.:
- R7FS3A17C2A01CLK#AC0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 145-TFLGA
- Datasheet:
-
R7FS3A17C2A01CLK#AC0.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 145TFLGA
- Quantity:
- Payment:
- Shipping:
Inventory:336
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Product details
Overview
R7FS3A17C2A01CLK#AC0 from Renesas Electronics is a 32-bit Arm Cortex-M4F microcontroller with integrated FPU, 1 MB code flash, 128 KB SRAM, and operating frequency up to 48 MHz. It integrates USB 2.0 FS, QSPI, SD/MMC host interface, 14-bit ADC, 12-bit DAC, CTSU capacitive touch sensing, and segment LCD controller - designed for HMI-rich industrial control and smart sensor edge nodes.
For engineers reviewing the R7FS3A17C2A01CLK#AC0 datasheet, R7FS3A17C2A01CLK#AC0 pinout, R7FS3A17C2A01CLK#AC0 application, or R7FS3A17C2A01CLK#AC0 equivalent, key selection considerations include USB FS compliance, QSPI boot capability, CTSU channel count (16), segment LCD drive capacity (up to 240 segments), and industrial-grade temperature range (–40°C to +85°C).
Technical Context
The R7FS3A17C2A01CLK#AC0 implements an Arm Cortex-M4F core with hardware FPU and MPU, supporting deterministic real-time execution and floating-point-intensive algorithms. Its system architecture includes dual-bank flash with background operation, configurable clock tree with PLL/FLL, and multiple low-power modes (SNOOZE, DEEP-SNOOZE, STOP) enabling sub-μA standby current.
Peripheral integration targets HMI and connectivity: USB 2.0 Full-Speed device/host/OTG with internal PHY, QSPI supporting XIP and memory-mapped mode, SD/MMC host v3.0, and CTSU with noise immunity up to ±1 kV ESD. The segment LCD controller supports resistance division, internal boosting, and capacitor split methods - all confirmed in the S3A1 datasheet Rev.1.00.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M4F with hardware FPU and MPU - enables real-time signal processing and secure task isolation. |
| Max Operating Frequency | 48 MHz - delivers 64.8 CoreMark/MHz performance while maintaining low dynamic power. |
| Memory | 1 MB code flash (dual-bank), 128 KB SRAM - supports over-the-air firmware updates without interruption. |
| USB Interface | USB 2.0 Full-Speed with integrated PHY - eliminates need for external transceiver in embedded host/device applications. |
| QSPI Interface | Quad SPI with XIP support - enables direct code execution from external flash, reducing SRAM footprint. |
| CTSU Channels | 16-channel capacitive touch sensing unit - provides robust touch detection in noisy industrial environments. |
| LCD Support | Segment LCD controller (240 segments max) with 3 drive methods - enables cost-effective display integration without external driver IC. |
Pinout & Package
Package: LQFP-100 (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, industrial temperature grade (–40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Dedicated analog/digital power domains with separate decoupling requirements per datasheet Section 2.2. |
| XTAL/EXTAL | External crystal oscillator input/output | Supports 1–20 MHz crystals for precise timing; optional 32.768 kHz RTC crystal connection. |
| USB_DP/USB_DM | USB 2.0 Full-Speed differential pair | Internal PHY eliminates external transceiver; requires 27 Ω series resistors and proper PCB impedance control. |
| QSPI_IO0–IO3 | Quad SPI data lines | Configurable as single/dual/quad I/O; supports memory-mapped read and XIP execution from external flash. |
| CTSU_S0–S15 | Capacitive touch sense channels | Each pin supports self- or mutual-capacitance measurement; internal current source enables noise-immune scanning. |
Key Features
| Feature | Design Value |
|---|---|
| Floating-Point Unit (FPU) | Hardware IEEE 754-compliant single-precision FPU - accelerates motor control algorithms and sensor fusion without software emulation overhead. |
| Dual-Bank Flash | Independent erase/program of bank A/B - enables seamless firmware updates with zero downtime in field-deployed devices. |
| USB FS with Internal PHY | No external transceiver required - reduces BOM cost and PCB area; supports CDC, HID, and MSC class drivers out-of-box via SSP. |
| CTSU with Noise Immunity | ±1 kV contact ESD tolerance and built-in digital filtering - maintains reliable touch operation in electrically noisy factory environments. |
| Segment LCD Controller | Three drive methods (resistance division, internal boost, capacitor split) - eliminates need for external LCD bias generator across diverse display types. |
Applications
| Industrial HMI Panel | Smart Sensor Node |
|---|---|
Use Scenario: Standalone operator interface on PLC-controlled machinery with segmented LCD display and capacitive touch buttons. IC Role / Device Role / Timing Role: Main application processor executing real-time control logic, driving 192-segment LCD, scanning 12 CTSU electrodes, and managing USB-CDC diagnostics port. Use Value: Integrated segment LCD controller and CTSU eliminate two external ICs; dual-bank flash enables remote firmware patching during scheduled maintenance windows. | Use Scenario: Battery-powered environmental monitor with temperature/humidity/pressure sensors, local display, and USB configuration interface. IC Role / Device Role / Timing Role: System-on-chip managing sensor acquisition (ADC14), display output (LCD), USB parameter setup, and ultra-low-power sleep scheduling. Use Value: Sub-10 μA deep-snooze current extends battery life; integrated USB FS allows field technicians to reconfigure thresholds without proprietary tools. |
| Programmable Logic Controller (PLC) Module | Medical Diagnostic Handheld |
Use Scenario: DIN-rail mounted I/O expansion module with isolated digital inputs, analog outputs, and local HMI feedback. IC Role / Device Role / Timing Role: Central MCU handling Modbus RTU over UART, analog output generation (DAC12), CTSU-based status indicators, and USB DFU for firmware recovery. Use Value: QSPI XIP enables fast loading of Modbus stack from external flash; 14-bit ADC ensures <±0.5 LSB INL for precision analog monitoring. | Use Scenario: Portable diagnostic tool with multi-sensor front-end, monochrome segment LCD, and USB data export to clinic PC. IC Role / Device Role / Timing Role: Safety-certifiable controller acquiring biometric signals (ECG/SpO₂), rendering results on LCD, and exporting encrypted logs via USB MSC. Use Value: Hardware AES engine secures patient data before USB transfer; CTSU enables glove-compatible touch interface in clinical settings. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FS3A17C3A01CLK#AC0 | Same core/peripherals but 2 MB code flash and 256 KB SRAM - no change in package or pinout. | Required when firmware image exceeds 1 MB or runtime heap/stack needs >128 KB SRAM. | Select only if memory headroom is insufficient; identical migration path with no PCB or software changes. |
| R7FS3A17C2A01CFB#AC0 | Identical electrical specs but in 128-pin LQFP package with additional GPIO, CAN FD, and Ethernet MAC. | Suitable when CAN FD bus integration or >100 GPIOs are needed; not pin-compatible with R7FS3A17C2A01CLK#AC0. | Choose for networked industrial systems requiring CAN FD or higher I/O density; requires PCB redesign. |
Compared with R7FS3A17C2A01CLK#AC0, the R7FS3A17C3A01CLK#AC0 offers doubled flash/SRAM for complex protocol stacks, while R7FS3A17C2A01CFB#AC0 adds CAN FD and Ethernet at the cost of larger footprint and non-interchangeable pinout - making the original optimal for compact HMI-focused designs.
Availability
R7FS3A17C2A01CLK#AC0 is available at Aetrix Electronics and suitable for industrial HMI panels, smart sensor nodes, programmable logic controller modules, and medical diagnostic handhelds requiring stable component supply and long-term lifecycle assurance.
Supply support for R7FS3A17C2A01CLK#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 Corporation is a global semiconductor leader headquartered in Japan, specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and enterprise markets.
The Synergy S3 Series targets cost-sensitive, HMI-rich embedded applications requiring USB connectivity, capacitive touch, and segment LCD - with R7FS3A17C2A01CLK#AC0 optimized for compact industrial control and portable diagnostic devices.
FAQ
What is the maximum operating frequency of the R7FS3A17C2A01CLK#AC0?
The R7FS3A17C2A01CLK#AC0 operates at a maximum CPU frequency of 48 MHz, achieved via its on-chip PLL or FLL clock sources. This frequency is fully supported across the industrial temperature range (–40°C to +85°C) and enables 64.8 CoreMark/MHz performance. All peripherals-including USB FS, QSPI, and ADC14-are timing-verified at this speed per the S3A1 datasheet Rev.1.00 Section 2.3.1.
Does the R7FS3A17C2A01CLK#AC0 include an integrated USB transceiver?
Yes, the R7FS3A17C2A01CLK#AC0 integrates a full-speed USB 2.0 transceiver with internal PHY, eliminating the need for external components. It supports device, host, and OTG roles and complies with USB 2.0 specification. The USB_DP and USB_DM pins require only 27 Ω series resistors and proper 90 Ω differential impedance routing - confirmed in the electrical characteristics section (2.4) of the official datasheet.
How many capacitive touch channels does the R7FS3A17C2A01CLK#AC0 support?
The R7FS3A17C2A01CLK#AC0 includes a 16-channel Capacitive Touch Sensing Unit (CTSU), supporting both self- and mutual-capacitance configurations. Each channel can be independently configured with programmable current sources and digital noise filters. The CTSU achieves ±1 kV contact ESD immunity and operates reliably in noisy industrial environments - specifications validated in Section 2.11 of the S3A1 datasheet.
What LCD drive methods are supported by the R7FS3A17C2A01CLK#AC0?
The R7FS3A17C2A01CLK#AC0's segment LCD controller supports three drive methods: resistance division, internal voltage boosting, and capacitor split - enabling compatibility with diverse passive segment displays without external bias generators. It drives up to 240 segments (30 commons × 8 segments) and includes dedicated charge pumps for internal boosting mode. These capabilities are detailed in Sections 2.12.1–2.12.3 of the datasheet.
Is the R7FS3A17C2A01CLK#AC0 pin-compatible with other S3A1 group MCUs?
The R7FS3A17C2A01CLK#AC0 shares the same 100-pin LQFP package and pinout with other S3A1 variants in the CLK suffix family (e.g., R7FS3A17C2A01CLK#AC1), but not with CFx or CFB variants. Pin compatibility is limited to identical package codes and revision-controlled silicon - verified in the "Pin Assignments" section (1.6) and "Pin Lists" (1.7) of the S3A1 datasheet Rev.1.00.
R7FS3A17C2A01CLK#AC0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 145-TFLGA
- 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, SSIE, SPI, UART/USART, USB
- Peripherals:
- DMA, LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 126
- 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 28x14b; D/A 1x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FS3A17C2A01CLK#AC0 FAQ
1.How can I place an order for R7FS3A17C2A01CLK#AC0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS3A17C2A01CLK#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 R7FS3A17C2A01CLK#AC0 reliable?
The price and inventory of R7FS3A17C2A01CLK#AC0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS3A17C2A01CLK#AC0 is usually 5 days.
3.What payment methods are accepted for R7FS3A17C2A01CLK#AC0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS3A17C2A01CLK#AC0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FS3A17C2A01CLK#AC0?
R7FS3A17C2A01CLK#AC0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS3A17C2A01CLK#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 R7FS3A17C2A01CLK#AC0?
For technical support, including R7FS3A17C2A01CLK#AC0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS3A17C2A01CLK#AC0 requirements.
6.How does Aetrix verify that R7FS3A17C2A01CLK#AC0 is sourced from the original manufacturer or authorized distributors?
All R7FS3A17C2A01CLK#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 R7FS3A17C2A01CLK#AC0 meets industry standards.
7.What is the process for return or replacement of R7FS3A17C2A01CLK#AC0?
All R7FS3A17C2A01CLK#AC0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS3A17C2A01CLK#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 R7FS3A17C2A01CLK#AC0 part is unused and in its original packaging.
Return procedure for R7FS3A17C2A01CLK#AC0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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