Renesas R5F56318CDLC#U0

Overview

R5F56318CDLC#U0 from Renesas is a 100 MHz 32-bit RX63N Group microcontroller with integrated Ethernet MAC, single-precision IEEE-754 FPU, 165 DMIPS performance, 512 KB on-chip flash memory, and 64 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 and IoT edge nodes requiring deterministic real-time response and secure connectivity.

For engineers reviewing the R5F56318CDLC#U0 datasheet, R5F56318CDLC#U0 pinout, R5F56318CDLC#U0 application, or R5F56318CDLC#U0 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 R5F56318CDLC#U0 implements the CISC Harvard-architecture RX CPU core with 5-stage pipeline, variable-length instructions, and memory protection unit (MPU) for safety-critical execution. It integrates dedicated DMA controllers-including EXDMAC for TFT LCD transfer and EDMAC for Ethernet offload-enabling concurrent high-bandwidth peripheral operations without CPU intervention.

Clock subsystem includes PLL, 50-MHz HOCO, and 125-kHz LOCO with oscillation-stop detection; power management supports four low-power modes and RTC battery backup (VBATT = 2.0–3.6 V). Real-time clock features time capture on external event signals and leap-year adjustment.

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 microcontroller applications.

Compared with R5F56318CDLC#U0, R5F563NEDDFC offers 4× more flash and 4× more SRAM for feature-rich firmware, while R5F5631ADFC removes Ethernet and sub-clock support-reducing silicon area and dynamic power but eliminating networked operation capability.

Availability

R5F56318CDLC#U0 is available at Aetrix Electronics and suitable for industrial automation, IoT edge gateways, and embedded HMI designs requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for R5F56318CDLC#U0 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 R5F56318CDLC#U0, was designed for deterministic real-time control in networked industrial equipment-integrating Ethernet, USB, CAN, and security features into a single high-integrity MCU platform.

FAQ

What is the maximum operating frequency and core architecture of the R5F56318CDLC#U0?

The R5F56318CDLC#U0 operates at a maximum frequency of 100 MHz and implements the 32-bit RX CPU core with CISC Harvard architecture, 5-stage pipeline, and variable-length instructions. Its architecture delivers 165 DMIPS performance and supports IEEE-754 single-precision floating-point operations-enabling efficient execution of real-time control algorithms without software emulation overhead in the R5F56318CDLC#U0.

Does the R5F56318CDLC#U0 include an Ethernet MAC, and what physical interfaces does it support?

Yes, the R5F56318CDLC#U0 includes a fully integrated IEEE 802.3-compliant Ethernet MAC supporting both 10 Mbps and 100 Mbps operation in full- and half-duplex modes. It supports MII (Media Independent Interface) and RMII (Reduced MII) physical layer interfaces via dedicated ETH_MDC/MDIO and ETH_TXD/ETH_RXD pins-making the R5F56318CDLC#U0 suitable for industrial Ethernet gateway and networked control applications without requiring external PHY ICs.

What memory resources are integrated into the R5F56318CDLC#U0?

The R5F56318CDLC#U0 integrates 512 KB of on-chip flash memory with zero-wait-state access at 100 MHz, 64 KB of on-chip SRAM also with zero-wait-state operation, and 32 KB of reprogrammable data flash rated for 100,000 erase/write cycles. These memory resources provide sufficient space for real-time firmware, data buffering, and non-volatile parameter storage-all within the same die as the R5F56318CDLC#U0, eliminating external memory components in many embedded designs.

How does the R5F56318CDLC#U0 support functional safety and reliability in industrial applications?

The R5F56318CDLC#U0 supports IEC 60730 compliance through built-in features including oscillation-stoppage detection, CRC calculator, self-diagnostic A/D converter function, independent watchdog timer (IWDT) with dedicated LOCO clock, and register write protection. These capabilities enable robust fault detection and recovery mechanisms-essential for safe operation in industrial control systems where the R5F56318CDLC#U0 serves as the primary controller.

What is the package type and pin count of the R5F56318CDLC#U0?

The R5F56318CDLC#U0 is housed in a PLQP0176KB-A package: a 176-pin LQFP measuring 24 × 24 mm with 0.5-mm pitch, RoHS-compliant and lead-free. This package provides 133 general-purpose I/O pins with 5-V tolerance on 18 pins, pull-up resistors, open-drain capability, and supports all on-chip peripherals-including Ethernet, USB, CAN, and multiple serial interfaces-within the R5F56318CDLC#U0's footprint.