Renesas R5F56316SDBG#U0

Overview

R5F56316SDBG#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 memory, and 192 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 gateway applications requiring deterministic real-time response and secure connectivity.

For engineers reviewing the R5F56316SDBG#U0 datasheet, R5F56316SDBG#U0 pinout, R5F56316SDBG#U0 application, or R5F56316SDBG#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 R5F56316SDBG#U0 implements the 32-bit RX CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions-enabling ultra-compact code density and 165 DMIPS at 100 MHz. It integrates dedicated hardware accelerators including a 32-bit multiplier (1-cycle execution), divider (2-cycle), and memory protection unit (MPU) for safety-critical operation.

Its peripheral set includes an Ethernet controller (ETHERC) with MII/RMII interface and dedicated EDMAC, three CAN modules (ISO 11898-1 compliant), four I²C interfaces (one FM+), thirteen SCI channels supporting asynchronous, SPI-like, and LIN modes, and a parallel data capture unit (PDC) for image sensor interfacing-configured via register write protection and deep software standby backup.

Key Specifications

Pinout & Package

Package: PLBG0176GA-A - 176-pin Low-Profile Fine-Pitch Ball Grid Array (LFBGA), 13 × 13 mm body, 0.8 mm ball pitch, RoHS-compliant, lead-free.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F56316SDBG#U0, R5F563NEDDBG offers higher flash capacity for complex protocol stacks without altering pin compatibility, while R5F56318SDBG#U0 removes Ethernet and USB host features-reducing BOM cost but eliminating networked gateway capability entirely.

Availability

R5F56316SDBG#U0 is available at Aetrix Electronics and suitable for industrial automation gateways, secure PLC communication modules, networked HMIs, and smart energy metering systems requiring stable component supply and long-term lifecycle assurance.

Supply support for R5F56316SDBG#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 is designed for high-performance, network-connected industrial control applications-integrating Ethernet, USB, CAN, and cryptographic acceleration into a single chip to reduce system complexity and certification effort.

FAQ

What is the maximum operating frequency and core performance of the R5F56316SDBG#U0?

The R5F56316SDBG#U0 operates at a maximum system clock frequency of 100 MHz and delivers 165 DMIPS of processing performance using the 32-bit RX CPU core. Its single-precision IEEE-754 floating-point unit (FPU) and dual multiply-and-accumulate units enable efficient real-time signal processing and control loop computation within the R5F56316SDBG#U0's deterministic execution environment.

Does the R5F56316SDBG#U0 support Ethernet connectivity, and what interfaces are available?

Yes, the R5F56316SDBG#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 provides Media Independent Interface (MII) and Reduced MII (RMII) pinouts, along with MDIO/MDC management signals and Magic Packet™ wake-on-LAN detection-making the R5F56316SDBG#U0 suitable for industrial Ethernet gateway designs without external PHY components.

What are the memory resources available on the R5F56316SDBG#U0?

The R5F56316SDBG#U0 integrates 1.5 MB of on-chip flash memory (with zero wait-state access at 100 MHz), 192 KB of SRAM (also zero wait-state), and 32 KB of reprogrammable data flash rated for 100,000 erase/write cycles. These memory resources are accessible via the 4-Gbyte linear address space of the RX CPU and support background programming/erasing operations-critical for firmware updates and data logging in the R5F56316SDBG#U0's target applications.

How does the R5F56316SDBG#U0 handle analog signal acquisition?

The R5F56316SDBG#U0 features a 21-channel 12-bit A/D converter with sample-and-hold circuitry and 1 µs conversion time at 50 MHz PCLK, plus an 8-channel 10-bit A/D converter with self-diagnostic capability. Conversion can be triggered by software, timers (MTU2/TPU/TMR), or external signals-enabling synchronized sampling across multiple sensors. The R5F56316SDBG#U0 also includes an on-die temperature sensor with ±1°C accuracy calibrated against the 12-bit A/D reference.

Is the R5F56316SDBG#U0 compatible with Renesas' debugging and development tools?

Yes, the R5F56316SDBG#U0 supports Renesas E1 and E20 debug emulators via JTAG and FINE two-wire interfaces. It is fully supported by the e2 studio IDE, CS+ development environment, and Renesas' RX Family starter kits-including example projects for Ethernet, USB, CAN, and cryptographic functions. Debugging capabilities include real-time trace, memory inspection, and register-level control-all validated for use with the R5F56316SDBG#U0's specific package and peripheral configuration.