Renesas R5F56318CDFP#V0

Overview

R5F56318CDFP#V0 from Renesas is a 100 MHz 32-bit RX63N Group microcontroller with integrated Ethernet MAC, single-precision IEEE-754 FPU, 165 DMIPS performance, 2 MB on-chip flash, 256 KB SRAM, and 32 KB data flash. It operates from a 2.7–3.6 V supply, supports -40 to +85°C temperature range, and targets industrial networking, gateway, and embedded control applications requiring real-time processing and wired connectivity.

For engineers reviewing the R5F56318CDFP#V0 datasheet, R5F56318CDFP#V0 pinout, R5F56318CDFP#V0 application, or R5F56318CDFP#V0 equivalent, key selection criteria include Ethernet MAC support (MII/RMII), USB 2.0 host/function/OTG capability, CAN v2.0B (3 channels), 21-channel 12-bit A/D converter, and hardware AES encryption via DEU - all in a 100-pin LQFP package with 5-V-tolerant I/O.

Technical Context

The R5F56318CDFP#V0 implements the 32-bit RX CPU core with 5-stage CISC Harvard pipeline, variable-length instructions, and memory protection unit (MPU). It integrates dedicated peripherals including an Ethernet controller (ETHERC) with 2 KB TX/RX FIFOs, EDMAC for descriptor-based DMA offload, and a full-speed USB 2.0 host/function module with OTG support and 2 KB buffer RAM.

Its timing architecture includes independent clock domains: ICLK up to 100 MHz for CPU, PCLK up to 50 MHz for peripherals, FCLK up to 50 MHz for FlashIF, and BCLK up to 50 MHz for external bus. Real-time capabilities are reinforced by RTC with battery backup, IWDT with dedicated LOCO clock, and 20+ timer resources including MTU2, TPU, and CMT modules with trigger synchronization to A/D conversion.

Key Specifications

Pinout & Package

Package: PLQP0100KB-A - 100-pin LQFP, 14 × 14 mm body, 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 R5F56318CDFP#V0, R5F563NEDDFP removes Ethernet functionality to reduce cost and complexity, while R5F566TAADFP shifts focus to motor control with higher CPU performance but abandons wired networking - making R5F56318CDFP#V0 uniquely balanced for industrial gateways requiring both real-time control and deterministic Ethernet.

Availability

R5F56318CDFP#V0 is available at Aetrix Electronics and suitable for industrial automation, building management systems, and smart energy infrastructure requiring stable component supply, long-term lifecycle assurance, and automotive-grade reliability under extended temperature operation.

Supply support for R5F56318CDFP#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, and power solutions for industrial, automotive, and IoT markets.

The RX63N Group, including R5F56318CDFP#V0, was designed for industrial networking edge nodes requiring integrated Ethernet, real-time determinism, functional safety compliance (IEC60730), and secure firmware execution.

FAQ

What is the maximum operating frequency and core architecture of the R5F56318CDFP#V0?

The R5F56318CDFP#V0 operates at a maximum frequency of 100 MHz and features the 32-bit RX CPU core with a 5-stage pipeline, CISC Harvard architecture, variable-length instructions, and memory protection unit (MPU). It delivers 165 DMIPS and includes a single-precision IEEE-754 floating-point unit (FPU) for efficient mathematical computation in real-time control tasks.

Does the R5F56318CDFP#V0 support Ethernet connectivity, and what interfaces are available?

Yes, the R5F56318CDFP#V0 includes a fully integrated Ethernet MAC (ETHERC) supporting 10/100 Mbps operation in full- and half-duplex modes. It supports both MII and RMII physical layer interfaces, IEEE 802.3x flow control, Magic Packet™ wake-on-LAN, and is paired with a dedicated Ethernet DMA controller (EDMAC) for descriptor-based zero-copy packet handling.

What are the memory resources available on the R5F56318CDFP#V0?

The R5F56318CDFP#V0 integrates 2 MB of on-chip flash memory (executed at 100 MHz with zero wait states), 256 KB of SRAM (also zero-wait), and 32 KB of data flash rated for 100,000 program/erase cycles. The flash supports on-board programming via SWD/FINE and off-board parallel programming for production programming.

How does the R5F56318CDFP#V0 support functional safety standards like IEC60730?

The R5F56318CDFP#V0 includes multiple hardware features for IEC60730 Class B compliance: oscillation-stop detection, hardware CRC calculator (with three polynomials), self-diagnostic A/D converter test mode, independent watchdog timer (IWDT) with dedicated LOCO clock, and memory protection unit (MPU) to isolate critical code sections - all documented in Renesas' IEC60730 certification kit for the RX63N Group.

What is the package type and thermal specification for the R5F56318CDFP#V0?

The R5F56318CDFP#V0 is housed in a PLQP0100KB-A package: a 100-pin LQFP with 14 × 14 mm body size, 0.5 mm pin pitch, and exposed thermal pad (non-electrical). It is rated for industrial temperature range (-40 to +85°C) and operates from a single 2.7–3.6 V supply, with typical active current consumption of 500 µA/MHz.