Renesas R5F56316DDLK#U0

Overview

R5F56316DDLK#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 Mbyte on-chip flash, and 128 Kbyte 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 devices requiring deterministic real-time response and secure connectivity.

For engineers reviewing the R5F56316DDLK#U0 datasheet, R5F56316DDLK#U0 pinout, R5F56316DDLK#U0 application, or R5F56316DDLK#U0 equivalent, this page delivers verified technical context, package-specific pin mapping, confirmed peripheral configurations (including Ethernet, USB 2.0 OTG/host, CAN, and dual A/D converters), and validated alternative options for migration or second-sourcing decisions.

Technical Context

The R5F56316DDLK#U0 implements the 32-bit RX CPU core with 5-stage CISC Harvard pipeline, supporting variable-length instructions and memory protection unit (MPU) for safety-critical execution. Its clock system integrates PLL, HOCO (50 MHz), LOCO (125 kHz), and subclock oscillator - enabling independent domain clocking (ICLK up to 100 MHz, PCLK up to 50 MHz).

It features dedicated hardware acceleration including AES-128/192/256 encryption via DEU, CRC calculator with three polynomials, and parallel data capture unit (PDC) for image sensor interfacing. The device includes Ethernet MAC (MII/RMII), full-speed USB 2.0 host/function/OTG controller, and three CAN modules compliant with ISO 11898-1 - all supported by DMA channels (DMAC, EXDMAC, DTC) and interrupt controller (ICU) with 187 sources.

Key Specifications

Pinout & Package

Package: PTLG0145KA-A - 145-pin Thin Fine-Pitch Land Grid Array (TFLGA), 7 × 7 mm body, 0.5 mm pitch, 111 general-purpose I/O pins (18 of which are 5-V tolerant), with dedicated power/ground, clock, reset, debug (JTAG/FINE), and peripheral-specific signal groups.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F56316DDLK#U0, R5F563NEDDLK#U0 offers +512 Kbyte flash headroom for complex protocol stacks, while R5F56316DDFK#U0 trades TFLGA's compactness for LQFP's manufacturability - both retain identical real-time performance, Ethernet timing accuracy, and cryptographic acceleration.

Availability

R5F56316DDLK#U0 is available at Aetrix Electronics and suitable for industrial Ethernet gateways, secure IoT edge nodes, HMI panels, and PLC I/O modules requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for R5F56316DDLK#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 R5F56316DDLK#U0, was designed for real-time industrial networking applications demanding integrated Ethernet, functional safety compliance (IEC60730), and hardware-accelerated security - targeting programmable logic controllers, motor drives, and smart infrastructure controllers.

FAQ

What is the maximum operating frequency and core performance of the R5F56316DDLK#U0?

The R5F56316DDLK#U0 operates at a maximum frequency of 100 MHz using the 32-bit RX CPU core and delivers 165 DMIPS of processing performance. Its single-precision IEEE-754 floating-point unit (FPU) executes math-intensive tasks such as motor control algorithms or sensor fusion without software emulation overhead. This performance level is confirmed in Renesas document R01DS0098EJ0180, Section 1.1.

Does the R5F56316DDLK#U0 include an Ethernet controller, and what interfaces does it support?

Yes, the R5F56316DDLK#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 (Media Independent Interface) and RMII (Reduced MII) physical layer interfaces, along with Magic Packet™ wake-on-LAN and IEEE 802.3x flow control - all documented in the RX63N Group datasheet R01DS0098EJ0180, Table 1.1.

What is the flash and RAM capacity of the R5F56316DDLK#U0, and is it configurable at runtime?

The R5F56316DDLK#U0 contains 1.5 Mbyte of on-chip flash memory and 128 Kbyte of SRAM, both accessible at full speed with no wait states at 100 MHz. Flash supports background programming/erasing (BGO), and SRAM includes deep software standby backup capability. These values are fixed per part number and verified in Table 1.3 of R01DS0098EJ0180.

Which communication interfaces are available on the R5F56316DDLK#U0 besides Ethernet?

Besides Ethernet, the R5F56316DDLK#U0 provides USB 2.0 full-speed host/function/OTG (1 port each), three ISO 11898-1 CAN modules (32 mailboxes each), four I²C interfaces (one FM+), three RSPI channels, 13 SCI channels (with LIN/Smart Card modes), and one IEBus interface - all confirmed in Table 1.2 of R01DS0098EJ0180 for the 145-pin TFLGA package.

What security and safety features does the R5F56316DDLK#U0 support for industrial applications?

The R5F56316DDLK#U0 supports AES-128/192/256 encryption/decryption via its Data Encryption Unit (DEU), CRC calculation with three polynomials, oscillation-stoppage detection, and built-in self-diagnostic functions for the A/D converter - all aligned with IEC 60730 Class B requirements. These features are explicitly listed in the "Useful functions for IEC60730 compliance" section of R01DS0098EJ0180.