Renesas R5F563NACDBG#U0

Overview

R5F563NACDBG#U0 from Renesas is a 100-MHz 32-bit RX63N Group microcontroller with integrated Ethernet MAC, single-precision IEEE-754 FPU, 768 KB on-chip flash, 128 KB SRAM, and 32 KB data flash. It features 134 general-purpose I/O pins (18 × 5-V tolerant), hardware AES encryption (DEU), and RTC with battery backup - deployed in industrial gateways requiring deterministic real-time control and networked connectivity.

For engineers reviewing the R5F563NACDBG#U0 datasheet, R5F563NACDBG#U0 pinout, R5F563NACDBG#U0 application, or R5F563NACDBG#U0 equivalent, key selection criteria include Ethernet MAC support (vs. RX631), 100 MHz operation with 165 DMIPS, 12-bit + 10-bit A/D converters (21 + 8 channels), dual 10-bit D/A outputs, and LFBGA-176 (PLBG0176GA-A) package compatibility for high-density PCB layouts.

Technical Context

The R5F563NACDBG#U0 implements the CISC Harvard-architecture RX CPU core with 5-stage pipeline, variable-length instructions, and memory protection unit (MPU). It supports little-endian data and instruction alignment, IEEE-754-compliant floating-point operations, and dual multiply-and-accumulate units - enabling efficient signal processing and control loop execution at 100 MHz.

Its peripheral set includes dedicated EDMAC for Ethernet offloading, four-channel DMAC, two-channel EXDMAC, and DTC for zero-CPU-overhead data movement. Clock subsystem integrates PLL, HOCO (50 MHz), LOCO (125 kHz), and subclock oscillator - with independent division/multiplication for ICLK (100 MHz), PCLK (50 MHz), FCLK (50 MHz), and BCLK (50 MHz).

Key Specifications

Pinout & Package

Package: PLBG0176GA-A - 176-pin Low-Profile Fine-Pitch Ball Grid Array (13 × 13 mm, 0.8-mm pitch), RoHS-compliant, lead-free, moisture-sensitive level 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F563NACDBG#U0, R5F563NECDBG#U0 offers higher flash density without altering real-time performance or I/O count, while R5F563NACDFC#U0 trades compact LFBGA packaging for external memory bandwidth - making the former ideal for firmware-rich upgrades and the latter for memory-constrained HMI applications.

Availability

R5F563NACDBG#U0 is available at Aetrix Electronics and suitable for industrial gateways, smart metering systems, and programmable logic controllers requiring stable component supply, long-term lifecycle assurance, and automotive-grade reliability under extended temperature conditions.

Supply support for R5F563NACDBG#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, and power solutions for industrial, automotive, and infrastructure markets.

The RX63N Group targets industrial automation and networked embedded systems, integrating Ethernet MAC, USB OTG, and functional safety features to simplify design of certified, connected edge devices.

FAQ

What is the maximum operating frequency and DMIPS rating of the R5F563NACDBG#U0?

The R5F563NACDBG#U0 operates at a maximum frequency of 100 MHz and delivers 165 DMIPS of processing performance. This is achieved through its optimized RX CPU core with 5-stage pipeline and variable-length instruction set. The R5F563NACDBG#U0 maintains this performance across its full operating voltage range (2.7–3.6 V) and temperature range (-40 to +85°C), enabling deterministic real-time execution in demanding industrial environments.

Does the R5F563NACDBG#U0 include an Ethernet MAC, and what interface standards does it support?

Yes, the R5F563NACDBG#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, along with flow control (IEEE 802.3x) and Magic Packet™ wake-on-LAN detection. The R5F563NACDBG#U0 also integrates a dedicated EDMAC to offload frame transmission and reception from the CPU.

What analog peripherals are integrated into the R5F563NACDBG#U0?

The R5F563NACDBG#U0 integrates a 21-channel 12-bit A/D converter (S12ADa) with 1.0 µs conversion time at 50 MHz PCLK, an 8-channel 10-bit A/D converter (ADb), two 10-bit D/A converters (DAa), and an on-die temperature sensor with ±1°C accuracy. All A/D modules support software, timer-triggered, or external-event-started conversions, and the 12-bit unit includes sample-and-hold and reference voltage generation - making the R5F563NACDBG#U0 suitable for precision analog measurement and closed-loop control.

Is the R5F563NACDBG#U0 pin-compatible with other RX63N Group devices?

The R5F563NACDBG#U0 uses the PLBG0176GA-A (176-pin LFBGA) package and shares identical pinout with all other RX63N Group devices in that package variant, including R5F563NECDBG#U0, R5F563NDCDBG#U0, and R5F563NBCDBG#U0. This allows direct substitution within the same footprint when upgrading flash capacity or selecting alternate memory configurations - provided PCB layout adheres to Renesas' recommended thermal and decoupling guidelines for the LFBGA package.

What security features does the R5F563NACDBG#U0 provide for firmware and data protection?

The R5F563NACDBG#U0 includes a Data Encryption Unit (DEU) supporting AES-128/192/256 encryption and decryption in ECB and CBC modes, a CRC calculator with three configurable polynomials, and register write protection for critical control registers. These features enable secure boot validation, encrypted firmware updates, and protected communication channels - satisfying foundational requirements for IEC 60730 Class B compliance and secure IoT edge deployment. The R5F563NACDBG#U0 also supports unique chip ID for device authentication.