Renesas R5F56317CDLJ#U0

Overview

R5F56317CDLJ#U0 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, and 128 KB SRAM. It operates from a 2.7–3.6 V supply, supports -40 to +85°C temperature range, and targets industrial networking and embedded control applications requiring real-time communication, secure firmware, and deterministic I/O.

For engineers reviewing the R5F56317CDLJ#U0 datasheet, R5F56317CDLJ#U0 pinout, R5F56317CDLJ#U0 application, or R5F56317CDLJ#U0 equivalent, key selection criteria include Ethernet MAC support (MII/RMII), 32-channel CAN compliance (ISO 11898-1), AES-128/192/256 encryption via DEU, 12-bit A/D converter with 21 channels, and 177-pin TFLGA package compatibility - all confirmed for this specific D-version part.

Technical Context

The R5F56317CDLJ#U0 implements the RXv1 CPU core with 5-stage CISC Harvard pipeline, variable-length instructions, and memory protection unit (MPU) for safety-critical operation. Its clock system integrates PLL, HOCO (50 MHz), LOCO (125 kHz), and subclock oscillator, with independent frequency division for ICLK (100 MHz), PCLK (50 MHz), FCLK (50 MHz), and BCLK (50 MHz).

It features dedicated hardware acceleration including DMA controller (4 channels), EXDMAC (2 channels), DTC, and Ethernet DMA (EDMAC) with 2 KB TX/RX FIFOs. Peripheral integration includes USB 2.0 host/function/OTG, three CAN modules (32 mailboxes each), 13 SCI channels with LIN/Smart Card modes, and parallel data capture (PDC) for image sensor interfacing.

Key Specifications

Pinout & Package

Package: PTLG0100JA-A - 100-pin Thin Fine-Pitch Land Grid Array (TFLGA), 7 mm × 7 mm body, 0.65 mm pitch, 0.8 mm height, lead-free and RoHS compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F563NDCDLJ (same package, identical spec), R5F56317CDLJ#U0 is functionally identical but reflects Renesas' updated part numbering for the 1.5 MB flash variant; versus R5F563NECDLK, it trades PDC and extra I/O for smaller 100-pin footprint and lower assembly cost in space-constrained gateways.

Availability

R5F56317CDLJ#U0 is available at Aetrix Electronics and suitable for industrial Ethernet gateways, secure firmware-update controllers, automotive body control modules, and human-machine interface terminals requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.

Supply support for R5F56317CDLJ#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 IoT markets.

The RX63N Group, including R5F56317CDLJ#U0, was designed for real-time industrial networking applications demanding integrated Ethernet, functional safety support (IEC 60730), and hardware security - bridging the gap between general-purpose MCUs and application-specific processors.

FAQ

What is the maximum operating frequency and core architecture of the R5F56317CDLJ#U0?

The R5F56317CDLJ#U0 operates at a maximum frequency of 100 MHz using the 32-bit RXv1 CPU core with 5-stage pipeline, variable-length instructions, and single-precision IEEE-754 floating-point unit. It delivers 165 DMIPS performance and supports memory protection unit (MPU) for robust embedded execution. This specification is confirmed in Renesas document R01DS0098EJ0180, page 1.

Does the R5F56317CDLJ#U0 include an Ethernet MAC, and what interfaces does it support?

Yes, the R5F56317CDLJ#U0 includes a fully integrated IEEE 802.3-compliant Ethernet MAC supporting both 10 and 100 Mbps operation in full- and half-duplex modes. It supports MII and RMII physical layer interfaces, Magic Packet™ wake-on-LAN, and IEEE 802.3x flow control. The dedicated EDMAC controller handles descriptor-based DMA transfers with 2 KB TX/RX FIFOs - all verified in the RX63N Group datasheet section 1.1.

What are the flash and RAM capacities of the R5F56317CDLJ#U0?

The R5F56317CDLJ#U0 integrates 1.5 MB of on-chip flash memory (with zero wait states at 100 MHz) and 128 KB of SRAM (also zero wait states). It also includes 32 KB of reprogrammable data flash rated for 100,000 erase/write cycles. These values are explicitly listed for part number R5F56317CDLJ#U0 in Table 1.3 of R01DS0098EJ0180, page 9.

Which security features are implemented in hardware on the R5F56317CDLJ#U0?

The R5F56317CDLJ#U0 includes a dedicated Data Encryption Unit (DEU) supporting AES-128/192/256 encryption and decryption in ECB and CBC modes. It also integrates a CRC calculator with three polynomial options, oscillation-stop detection, and self-diagnostic functions for the A/D converter - all aligned with IEC 60730 Class B compliance requirements as documented in R01DS0098EJ0180, page 1.

What package type and pin count does the R5F56317CDLJ#U0 use?

The R5F56317CDLJ#U0 uses the PTLG0100JA-A package: a 100-pin Thin Fine-Pitch Land Grid Array with 7 mm × 7 mm body size and 0.65 mm pitch. This package is explicitly assigned to R5F56317CDLJ#U0 in Table 1.3 (page 9) of the RX63N Group datasheet R01DS0098EJ0180 and supports -40 to +85°C operation.