Renesas R5F56316CDFC#V0

Overview

R5F56316CDFC#V0 from Renesas is a 100 MHz 32-bit RX63N Group microcontroller with integrated Ethernet MAC, single-precision IEEE-754 FPU, 165 DMIPS performance, 1.5 MB on-chip flash memory, and 192 KB SRAM. It operates from a 2.7–3.6 V supply, supports -40 to +85°C industrial temperature range, and targets networked embedded control applications requiring real-time processing, secure communications, and deterministic I/O.

For engineers reviewing the R5F56316CDFC#V0 datasheet, R5F56316CDFC#V0 pinout, R5F56316CDFC#V0 application, or R5F56316CDFC#V0 equivalent, key selection criteria include Ethernet MAC support (MII/RMII), USB 2.0 host/function/OTG capability, CAN v2.0B compliance with 32 mailboxes, 21-channel 12-bit A/D converter with sample-and-hold, and AES-128/192/256 encryption via DEU.

Technical Context

The R5F56316CDFC#V0 implements the RX CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions-enabling ultra-compact code density and 165 DMIPS at 100 MHz. It integrates dedicated hardware accelerators including a 32-bit multiplier (1-cycle execution), divider (2-cycle), and DSP-capable MAC units for efficient signal processing.

Its peripheral subsystem includes an Ethernet controller (10/100 Mbps, MII/RMII), three CAN modules (ISO 11898-1 compliant), four I²C interfaces (up to 1 Mbps), 13 SCI channels supporting UART/SPI/I²C emulation, and a parallel data capture unit (PDC) for image sensor interfacing-all synchronized to independent clock domains (ICLK/PCLK/FCLK/BCLK).

Key Specifications

Pinout & Package

Package: PLQP0176KB-A - 176-pin LQFP, 24 × 24 mm, 0.5 mm pitch, RoHS-compliant, lead-free.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 32-bit industrial MCU applications.

Compared with R5F56316CDFC#V0, R5F563NEDDFC offers more flash for complex stacks while retaining Ethernet, whereas R5F563NJDDFC trades Ethernet for doubled SRAM-making it optimal for memory-intensive signal processing without networking.

Availability

R5F56316CDFC#V0 is available at Aetrix Electronics and suitable for industrial automation, networked HMI, secure IoT edge nodes, and test equipment requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for R5F56316CDFC#V0 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 enterprise markets.

The RX63N Group, including R5F56316CDFC#V0, was designed for industrial Ethernet-connected applications demanding real-time determinism, functional safety (IEC60730), and hardware-accelerated security-bridging the gap between general-purpose MCUs and application-specific processors.

FAQ

What is the maximum operating frequency and core performance of the R5F56316CDFC#V0?

The R5F56316CDFC#V0 operates at a maximum frequency of 100 MHz and delivers 165 DMIPS using the 32-bit RX CPU core. Its architecture includes a 5-stage pipeline, variable-length instructions, and hardware floating-point unit compliant with IEEE-754 single-precision standard-enabling high-efficiency real-time computation for industrial control algorithms.

Does the R5F56316CDFC#V0 support Ethernet connectivity, and what interface options are available?

Yes, the R5F56316CDFC#V0 includes a full-featured Ethernet MAC supporting both 10 and 100 Mbps operation in full- and half-duplex modes. It implements MII (Media Independent Interface) and RMII (Reduced MII) as defined in IEEE 802.3u, with integrated EDMAC for descriptor-based DMA transfers and Magic Packet™ wake-on-LAN capability.

What are the memory resources available on the R5F56316CDFC#V0?

The R5F56316CDFC#V0 integrates 1.5 MB of on-chip flash memory (executed at 100 MHz with zero wait states), 192 KB of SRAM (also zero-wait-state), and 32 KB of reprogrammable data flash rated for 100,000 erase/write cycles. These resources support robust firmware storage, real-time data buffering, and non-volatile parameter retention without external memory.

Which communication interfaces does the R5F56316CDFC#V0 support besides Ethernet?

In addition to Ethernet, the R5F56316CDFC#V0 supports USB 2.0 host/function/OTG, three ISO 11898-1 CAN modules (32 mailboxes each), four I²C interfaces (up to 1 Mbps), 13 SCI channels (configurable as UART/SPI/I²C/LIN), three RSPI ports, and one parallel data capture unit (PDC). This breadth enables seamless integration with sensors, displays, fieldbuses, and wireless modules.

Is hardware cryptographic acceleration available on the R5F56316CDFC#V0, and what standards does it support?

Yes, the R5F56316CDFC#V0 includes a Data Encryption Unit (DEU) that supports AES encryption and decryption with 128-, 192-, and 256-bit keys in ECB and CBC modes. This hardware accelerator enables secure firmware updates, encrypted data logging, and TLS handshake offloading-without consuming CPU cycles or compromising real-time responsiveness.