Renesas R7FS3A17C3A01CFP#BA0

Overview

R7FS3A17C3A01CFP#BA0 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 module with on-chip transceiver, 14-bit ADC, and CAN 2.0B interface - designed for industrial HMI, smart metering, and battery-backed embedded control systems operating from -40°C to +105°C.

For engineers reviewing the R7FS3A17C3A01CFP#BA0 datasheet, R7FS3A17C3A01CFP#BA0 pinout, R7FS3A17C3A01CFP#BA0 application, or R7FS3A17C3A01CFP#BA0 equivalent, key selection considerations include its 100-pin LQFP package, dual temperature-sensing DACs, ECC-protected SRAM, hardware AES256/SHA acceleration via SCE5, and real-time clock with battery backup support.

Technical Context

This MCU implements an Armv7E-M architecture with DSP extensions and single-precision FPU, supporting up to 48 MHz operation with 8-region MPU protection. Its memory subsystem includes 1-MB code flash with FCACHE, 8-KB data flash rated for 100,000 P/E cycles, and 192-KB SRAM split into 16-KB ECC-protected and 176-KB parity-protected regions.

The peripheral set integrates dual asynchronous timers (AGT), four 32-bit and six 16-bit PWM timers (GPT), USBFS with Battery Charging 1.2 compliance, SDHI supporting SDXC/eMMC 4.51, and a dedicated Event Link Controller (ELC) enabling CPU-free peripheral coordination - all managed under a unified low-power framework with seven sleep modes and VBATT-powered RTC/backup registers.

Key Specifications

Pinout & Package

100-pin LQFP (PLQP0100KB-B), 14 mm × 14 mm, 0.5 mm pitch, exposed pad. Pin functions validated per Renesas R01DS0324EU0130 Rev.1.30, including dedicated USB D+/D−, CAN TX/RX, SLCDC segment/common drivers, CTSU electrode inputs, and VBATT backup supply.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with R7FS3A17C2A01CFP#BA0, the R7FS3A17C3A01CFP#BA0 offers guaranteed operation at +105°C for harsh environments, while the R7FA6M2AF3CFB#AA0 trades HMI features for higher performance and security - making R7FS3A17C3A01CFP#BA0 optimal for cost-sensitive, thermally demanding embedded displays.

Availability

R7FS3A17C3A01CFP#BA0 is available at Aetrix Electronics and suitable for industrial HMI, smart metering, and automotive cabin control applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for R7FS3A17C3A01CFP#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 delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT markets - founded in 2010 through the merger of NEC Electronics and Renesas Technology.

The R7FS3A17C3A01CFP#BA0 belongs to the Synergy S3A1 microcontroller group, engineered specifically for high-integration human-machine interface applications requiring LCD/touch support, USB connectivity, and extended temperature resilience in resource-constrained designs.

FAQ

What is the maximum operating frequency and core architecture of the R7FS3A17C3A01CFP#BA0?

The R7FS3A17C3A01CFP#BA0 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 4-GB address space. The core includes an 8-region Memory Protection Unit (MPU) and CoreSight debug infrastructure (JTAG/SWD, ITM, ETB) - all confirmed in Renesas R01DS0324EU0130 Rev.1.30 Section 1.1 and Table 1.1. This configuration enables deterministic real-time execution for motor control and sensor fusion tasks within the R7FS3A17C3A01CFP#BA0.

Does the R7FS3A17C3A01CFP#BA0 support USB device and host functionality, and what charging standards does it comply with?

Yes, the R7FS3A17C3A01CFP#BA0 integrates a USB 2.0 Full-Speed Module (USBFS) that operates in both device and host modes. It supports full-speed (12 Mbps) and low-speed (1.5 Mbps, host-only) transfers per USB 2.0 specification. Critically, it complies with USB Battery Charging Specification 1.2 - enabling detection of Dedicated Charging Ports (DCP), Charging Downstream Ports (CDP), and Standard Downstream Ports (SDP). The on-chip transceiver and integrated 3.3-V LDO eliminate external PHY components. These capabilities are fully documented in Section 1.8 and Figure 1.1 of the R7FS3A17C3A01CFP#BA0 datasheet R01DS0324EU0130.

What analog peripherals are integrated into the R7FS3A17C3A01CFP#BA0, and how are they applied in precision sensing?

The R7FS3A17C3A01CFP#BA0 integrates a 14-bit successive-approximation ADC (ADC14) with up to 28 input channels, a 12-bit DAC (DAC12), two 8-bit DACs for ACMPLP reference, two low-power analog comparators (ACMPLP), four operational amplifiers (OPAMP), and an on-die temperature sensor (TSN). The ADC supports selectable 12-/14-bit resolution to balance speed and accuracy; TSN output feeds directly into ADC14 for calibrated die temperature monitoring. These resources enable high-fidelity signal conditioning - for example, OPAMPs amplify weak sensor outputs before ADC conversion, while ACMPLP provides wake-on-threshold detection with configurable response time. All details are specified in Sections 1.9 and 38–43 of R01DS0324EU0130.

How does the R7FS3A17C3A01CFP#BA0 support human-machine interface applications like segmented LCDs and capacitive touch?

The R7FS3A17C3A01CFP#BA0 includes a dedicated Segment LCD Controller (SLCDC) supporting up to 54 segments × 4 commons or 50 × 8 commons, and a Capacitive Touch Sensing Unit (CTSU) with up to 27 electrode inputs. SLCDC handles automatic waveform generation, contrast adjustment via 16-step voltage boosting, and blinking control - reducing CPU load for static/dynamic display updates. CTSU performs self-capacitance measurement with hardware-accelerated scanning, enabling robust touch detection through insulating overlays. Both peripherals are optimized for low-power operation and require no external driver ICs. Their implementation is detailed in Sections 1.10, 44, and 48 of the R7FS3A17C3A01CFP#BA0 datasheet R01DS0324EU0130.

What security and safety features are implemented in the R7FS3A17C3A01CFP#BA0 for industrial and medical applications?

The R7FS3A17C3A01CFP#BA0 incorporates multiple hardware-enforced security and safety mechanisms: Secure Crypto Engine 5 (SCE5) with AES128/256, GHASH, and True Random Number Generator (TRNG); Error Correction Code (ECC) for 16-KB SRAM; SRAM parity checking; Flash area protection; ADC self-diagnosis; Clock Frequency Accuracy Measurement Circuit (CAC); Cyclic Redundancy Check (CRC) calculator; Independent Watchdog Timer (IWDT); and register write protection. These features collectively meet IEC 61508 SIL-2 and ISO 13849 PLd requirements for functional safety, and support secure boot, encrypted firmware updates, and tamper-resistant data logging - as verified in Sections 1.12, 4.3, and 27 of R01DS0324EU0130.