Renesas R7FS3A17C3A01CFM#BA0

Overview

R7FS3A17C3A01CFM#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 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 R7FS3A17C3A01CFM#BA0 datasheet, R7FS3A17C3A01CFM#BA0 pinout, R7FS3A17C3A01CFM#BA0 application, or R7FS3A17C3A01CFM#BA0 equivalent, key selection criteria include its 64-pin LQFP package, 105°C temperature rating, on-chip USB transceiver with Battery Charging 1.2 support, dual watchdog timers (WDT/IWDT), and hardware-accelerated crypto (SCE5) with TRNG.

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 and CoreSight debug infrastructure (JTAG/SWD, ITM, ETB). Its memory subsystem includes ECC-protected SRAM (16 KB), 8-KB data flash rated for 100,000 P/E cycles, and Memory Mirror Function for flexible firmware loading.

The peripheral set is optimized for human-machine interface and industrial connectivity: SLCDC drives up to 54×4 segment LCDs; CTSU supports 27 touch channels; USBFS operates as host/device with integrated 3.3-V LDO; CAN 2.0B supports 32 mailboxes; and AGT timers enable ultra-low-power wake-up from deep sleep modes using independent 15-kHz clock.

Key Specifications

Pinout & Package

64-pin LQFP package (PLQP0064KB-C), 10 mm × 10 mm, 0.5 mm pitch, exposed pad (thermal pad not electrically connected).

Key Features

Applications

Equivalent & Alternatives

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

Compared with R7FS3A17C3A01CFM#BA0, the CFN variant offers identical functionality in a thermally enhanced QFN package, while the CFP variant trades QSPI and compactness for expanded I/O and LCD drive capability - all share the same SCE5 security engine and 105°C rating.

Availability

R7FS3A17C3A01CFM#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 extended-temperature operation.

Supply support for R7FS3A17C3A01CFM#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 applications.

The R7FS3A17C3A01CFM#BA0 belongs to the S3A1 Microcontroller Group - a family of Arm Cortex-M4 MCUs engineered for high-integration human-machine interface and secure industrial control, emphasizing low-power operation, rich analog peripherals, and hardware-accelerated cryptography.

FAQ

What is the maximum operating frequency and core architecture of the R7FS3A17C3A01CFM#BA0?

The R7FS3A17C3A01CFM#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 single-precision IEEE 754 floating-point operations. This architecture enables efficient real-time signal processing and deterministic interrupt response in applications such as motor control and sensor fusion.

Does the R7FS3A17C3A01CFM#BA0 include hardware security features, and what standards do they support?

Yes, the R7FS3A17C3A01CFM#BA0 integrates the Secure Crypto Engine 5 (SCE5), which provides hardware-accelerated AES128/256 encryption/decryption, GHASH for authentication, and a True Random Number Generator (TRNG). These features support secure boot, encrypted firmware updates, and TLS stack offloading - meeting requirements for IEC 62443-3-3 and Common Criteria EAL4+ implementations in industrial devices.

What LCD and touch capabilities does the R7FS3A17C3A01CFM#BA0 support?

The R7FS3A17C3A01CFM#BA0 includes a Segment LCD Controller (SLCDC) supporting up to 54 segments × 4 commons or 50 segments × 8 commons, with internal voltage boosting and 16-step contrast control. It also integrates a Capacitive Touch Sensing Unit (CTSU) with 27 channels for self-capacitive touch detection. Together, these enable standalone touch-enabled displays without external controllers - ideal for industrial panels and medical devices.

Can the R7FS3A17C3A01CFM#BA0 operate in extended temperature environments, and what packaging supports this?

Yes, the R7FS3A17C3A01CFM#BA0 is rated for operation from -40°C to +105°C and is supplied in a 64-pin LQFP package (PLQP0064KB-C). This extended temperature grade makes it suitable for under-hood automotive, industrial control cabinets, and outdoor metering applications where ambient thermal stress exceeds standard commercial ranges.

What USB functionality is integrated into the R7FS3A17C3A01CFM#BA0, and does it require external components?

The R7FS3A17C3A01CFM#BA0 integrates a USB 2.0 Full-Speed Module (USBFS) with an on-chip transceiver and internal 3.3-V LDO regulator. It supports both host and device modes, complies with USB Battery Charging Specification 1.2, and requires no external PHY or level-shifting components. Only standard USB termination resistors and ESD protection diodes are needed for robust implementation.