Renesas R7FS3A6783A01CNE#AC0

Overview

R7FS3A6783A01CNE#AC0 from Renesas is a 48-MHz Arm Cortex-M4 microcontroller with FPU, 256-KB code flash, 32-KB SRAM, USB 2.0 Full-Speed, 14-bit ADC, 12-bit DAC, Segment LCD Controller, Capacitive Touch Sensing Unit, and CAN interface - deployed in industrial HMI panels requiring integrated display drive, touch sensing, and real-time connectivity.

For engineers reviewing the R7FS3A6783A01CNE#AC0 datasheet, R7FS3A6783A01CNE#AC0 pinout, R7FS3A6783A01CNE#AC0 application, or R7FS3A6783A01CNE#AC0 equivalent, key selection criteria include QFN-48 package compatibility, -40°C to +105°C operating range, 1.6–5.5 V supply, integrated SCE5 crypto engine, and dual AGT timers for low-power wake-up in battery-backed systems.

Technical Context

This MCU implements an Armv7E-M architecture with DSP extensions and single-precision FPU, supporting deterministic real-time control via GPT32/GPT16 timers and event-driven operation through the Event Link Controller (ELC). Its memory subsystem includes ECC-protected SRAM and 8-KB data flash rated for 100,000 P/E cycles.

The analog subsystem integrates ADC14 with 25-channel multiplexing, dual ACMPLP comparators with programmable speed, four OPAMPs, and TSN for on-die temperature monitoring - all synchronized via shared clock domains and accessible under MPU-protected memory regions.

Key Specifications

Pinout & Package

Package: 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant Sn terminal finish, moisture sensitivity level 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R7FS3A6783A01CNE#AC0, the LQFP alternative sacrifices HMI integration for ease of rework, while the 64-pin QFN variant trades smaller footprint for greater I/O flexibility - both retain identical safety, crypto, and analog capabilities but differ in physical scalability and peripheral consolidation.

Availability

R7FS3A6783A01CNE#AC0 is available at Aetrix Electronics and suitable for industrial HMI panels, smart sensor nodes, medical infusion pumps, and automotive body control modules requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for R7FS3A6783A01CNE#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 delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT applications - founded in 2010 through the merger of NEC Electronics and Renesas Technology.

The R7FS3A6783A01CNE#AC0 belongs to the Renesas Synergy™ S3A6 microcontroller group, designed specifically for scalable, secure, and low-power human-machine interface applications with integrated LCD, touch, USB, and real-time connectivity.

FAQ

What is the maximum operating frequency and core architecture of the R7FS3A6783A01CNE#AC0?

The R7FS3A6783A01CNE#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 extensions and supports single-precision IEEE 754 floating-point operations - enabling efficient execution of control algorithms and signal processing tasks without external math coprocessors.

Does the R7FS3A6783A01CNE#AC0 support USB device and host functionality?

Yes, the R7FS3A6783A01CNE#AC0 integrates a USB 2.0 Full-Speed Module (USBFS) that supports both device and host controller modes. It includes an on-chip transceiver, internal 3.3-V LDO regulator, and compliance with USB Battery Charging Specification 1.2 - allowing direct connection to USB hosts or peripherals without external PHY components.

What LCD and touch capabilities does the R7FS3A6783A01CNE#AC0 provide?

The R7FS3A6783A01CNE#AC0 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 27 electrode channels. These peripherals enable direct drive of multiplexed LCD displays and robust touch button/slider detection - eliminating the need for external display drivers or touch controller ICs in cost-sensitive HMI designs.

How does the R7FS3A6783A01CNE#AC0 ensure functional safety and security?

The R7FS3A6783A01CNE#AC0 incorporates multiple safety and security features including Error Correction Code (ECC) in SRAM, Independent Watchdog Timer (IWDT), Clock Frequency Accuracy Measurement Circuit (CAC), Memory Protection Unit (MPU), Secure Crypto Engine 5 (SCE5) with AES128/256 and TRNG, and Cyclic Redundancy Check (CRC) calculator - collectively supporting IEC 61508 SIL2 and secure boot/OTA update requirements.

What are the supported package types and operating temperature ranges for the R7FS3A6783A01CNE#AC0?

The R7FS3A6783A01CNE#AC0 is offered exclusively in a 48-pin QFN package (7 mm × 7 mm, 0.5 mm pitch) and is rated for operation from -40°C to +105°C. This extended temperature grade ensures reliability in demanding industrial and automotive under-hood applications where thermal stability and long-term endurance are critical.