Renesas R5F56318SDFC#V0

Overview

R5F56318SDFC#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 industrial control, building automation gateways, and IoT edge nodes requiring deterministic real-time response and secure connectivity.

For engineers reviewing the R5F56318SDFC#V0 datasheet, R5F56318SDFC#V0 pinout, R5F56318SDFC#V0 application, or R5F56318SDFC#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, 12-bit A/D converter with 21 channels, and AES-128/192/256 encryption via DEU - all in a 176-pin LQFP package.

Technical Context

The R5F56318SDFC#V0 implements the RX CPU core with 5-stage CISC Harvard pipeline, variable-length instructions, and MPU for memory protection. It integrates dedicated DMA controllers: 4-channel DMAC, 2-channel EXDMAC, and a single-channel EDMAC for Ethernet offload - enabling concurrent high-throughput data movement without CPU intervention.

Clock architecture includes PLL-based 100 MHz ICLK, configurable PCLK up to 50 MHz for peripherals, and independent IWDT-dedicated 125 kHz LOCO oscillator. Real-time operation is reinforced by RTC with battery backup, 20+ timer modules (MTU2, TPU, CMT), and hardware CRC calculator compliant with IEC60730 safety requirements.

Key Specifications

Pinout & Package

Package: PLQP0176KB-A - 176-pin LQFP, 24 × 24 mm body, 0.5 mm pitch, exposed thermal pad, RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F56318SDFC#V0, R5F563NKHDFC#V0 offers greater flash capacity for complex networking stacks, while R5F563NECDFC#V0 trades SRAM and peripheral count for lower unit cost - both retain identical pinout, clocking, and core performance.

Availability

R5F56318SDFC#V0 is available at Aetrix Electronics and suitable for industrial Ethernet gateways, building automation controllers, and secure IoT edge nodes requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for R5F56318SDFC#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 R5F56318SDFC#V0, was designed for real-time industrial networking applications demanding integrated Ethernet, USB, CAN, security, and deterministic timing - targeting programmable logic controllers, HMI terminals, and smart energy meters.

FAQ

What is the maximum operating frequency and core performance of the R5F56318SDFC#V0?

The R5F56318SDFC#V0 operates at a maximum frequency of 100 MHz and delivers 165 DMIPS of computational performance using its 32-bit RX CPU core. It includes a single-precision IEEE-754 floating-point unit and two multiply-accumulate units, enabling efficient signal processing and control algorithm execution in real-time industrial applications. The R5F56318SDFC#V0 achieves this performance with zero wait-state access to its 1.5 MB flash and 192 KB SRAM.

Does the R5F56318SDFC#V0 support Ethernet connectivity, and what interfaces are available?

Yes, the R5F56318SDFC#V0 integrates a full-featured Ethernet MAC supporting both 10 and 100 Mbps operation in full- and half-duplex modes. It supports IEEE 802.3u-compliant MII and RMII physical layer interfaces, along with hardware-assisted flow control (IEEE 802.3x) and Magic Packet™ wake-on-LAN detection. An integrated EDMAC handles descriptor-based frame transfers, reducing CPU overhead. The R5F56318SDFC#V0 requires an external PHY for physical layer implementation.

What analog peripherals are included in the R5F56318SDFC#V0?

The R5F56318SDFC#V0 includes a 12-bit successive-approximation A/D converter with 21 input channels and 1 µs conversion time (at PCLK = 50 MHz), plus an 8-channel 10-bit A/D converter with self-diagnostic capability. It also features two 10-bit D/A converters, an on-die temperature sensor accurate to ±1°C, and a hardware CRC calculator. These peripherals enable high-fidelity sensor acquisition and closed-loop control without external signal conditioning in the R5F56318SDFC#V0.

Is the R5F56318SDFC#V0 suitable for safety-critical applications, and what certifications does it support?

Yes, the R5F56318SDFC#V0 includes multiple hardware features aligned with IEC60730 Class B requirements: oscillation-stop detection, hardware CRC calculation, independent watchdog timer (IWDT) with dedicated LOCO clock, A/D converter self-diagnostic, and voltage-monitoring reset. While the R5F56318SDFC#V0 itself is not pre-certified, its integrated safety mechanisms reduce qualification effort for industrial control, home appliance, and medical auxiliary equipment designs.

What is the package type and pin count of the R5F56318SDFC#V0?

The R5F56318SDFC#V0 is housed in a PLQP0176KB-A package: a 176-pin LQFP with 24 × 24 mm body size and 0.5 mm pitch. It provides 133 general-purpose I/O pins, 18 of which are 5-V tolerant, and includes dedicated pins for Ethernet (MII/RMII), USB (DP/DM), CAN (TX/RX), and external bus expansion. The R5F56318SDFC#V0's pinout is fully documented in Renesas document R01DS0098EJ0180.