Renesas R5F56318DGFP#V0

Overview

R5F56318DGFP#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 Mbytes on-chip flash, 192 Kbytes SRAM, and 32 Kbytes data flash. It operates from a 2.7–3.6 V supply, supports -40 to +85°C industrial temperature range, and targets networked industrial control systems requiring deterministic real-time response and secure firmware updates.

For engineers reviewing the R5F56318DGFP#V0 datasheet, R5F56318DGFP#V0 pinout, R5F56318DGFP#V0 application, or R5F56318DGFP#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 for IEC60730-compliant safety firmware.

Technical Context

The R5F56318DGFP#V0 implements the RXv1 CPU core with CISC Harvard architecture, 5-stage pipeline, and variable-length instructions enabling ultra-compact code density. It integrates dedicated hardware accelerators including a 32-bit multiplier (1-cycle execution), divider (2-cycle), and memory protection unit (MPU) for secure partitioning of code and data spaces.

Its peripheral subsystem includes a full-featured Ethernet controller (10/100 Mbps, MII/RMII), dual USB 2.0 modules (host/function + function-only), three CAN channels compliant with ISO11898-1, and four RIIC interfaces supporting up to 1 Mbps - all synchronized to independent clock domains (ICLK, PCLK, FCLK, BCLK) for precise timing control and low-jitter operation.

Key Specifications

Pinout & Package

Package: PLQP0100KB-A, 100-pin LQFP, 14 × 14 mm, 0.5-mm pitch, RoHS-compliant, lead-free finish.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F56318DGFP#V0, R5F563NEDDFP offers greater memory headroom for feature-rich industrial firmware, while R5F56317DGFP#V0 trades integrated connectivity for lower cost and power in standalone control nodes - neither is pin-compatible replacement, but both share identical footprint and basic peripheral set.

Availability

R5F56318DGFP#V0 is available at Aetrix Electronics and suitable for industrial automation, building management systems, and networked embedded controllers requiring stable component supply, long-term lifecycle support, and guaranteed traceability.

Supply support for R5F56318DGFP#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 R5F56318DGFP#V0, was designed for deterministic real-time control in networked industrial equipment - integrating Ethernet, USB, CAN, and security features into a single chip to simplify system architecture and accelerate time-to-market.

FAQ

What is the maximum operating frequency and core architecture of the R5F56318DGFP#V0?

The R5F56318DGFP#V0 operates at a maximum frequency of 100 MHz using the 32-bit RXv1 CPU core with CISC Harvard architecture and 5-stage pipeline. It delivers 165 DMIPS performance and includes a single-precision IEEE-754 floating-point unit, 32-bit multiplier (1-cycle execution), and memory protection unit (MPU) for secure memory partitioning - all confirmed in Renesas document R01DS0098EJ0180.

Does the R5F56318DGFP#V0 support Ethernet connectivity, and what interface standards does it implement?

Yes, the R5F56318DGFP#V0 integrates a full IEEE 802.3-compliant Ethernet MAC supporting both 10 and 100 Mbps operation in full- and half-duplex modes. It implements Media Independent Interface (MII) and Reduced MII (RMII), supports Magic Packet™ wake-on-LAN, and complies with IEEE 802.3x flow control - features exclusive to the RX63N Group and explicitly documented for R5F56318DGFP#V0 in the RX63N/RX631 Group datasheet.

What are the memory resources available on the R5F56318DGFP#V0?

The R5F56318DGFP#V0 includes 1.5 Mbytes of on-chip flash memory (zero-wait-state at 100 MHz), 192 Kbytes of SRAM, and 32 Kbytes of reprogrammable data flash rated for 100,000 erase/write cycles. These values are fixed for this specific part number and match the "1.5 Mbyte" ROM and "192 Kbytes" RAM entries in Table 1.3 of R01DS0098EJ0180 for the PLQP0100KB-A package variant.

Which communication interfaces are integrated into the R5F56318DGFP#V0?

The R5F56318DGFP#V0 integrates Ethernet MAC, dual USB 2.0 modules (host/function + function-only), three CAN channels (ISO11898-1 compliant, 32 mailboxes each), 13 SCI channels, four I2C interfaces (one FM+), three SPI channels, one IEBus channel, and one parallel data capture unit (PDC). All are confirmed in the RX63N Group specification tables and apply specifically to R5F56318DGFP#V0 per its placement in the RX63N family.

Is the R5F56318DGFP#V0 suitable for safety-critical applications, and what IEC60730 features does it support?

Yes, the R5F56318DGFP#V0 includes multiple hardware features for IEC60730 compliance: oscillation-stoppage detection, frequency measurement circuitry, CRC calculator, independent watchdog timer (IWDT), and self-diagnostic functions for the A/D converter. These capabilities are explicitly listed in the "Useful functions for IEC60730 compliance" section of R01DS0098EJ0180 and apply to all RX63N Group devices including R5F56318DGFP#V0.