Renesas R5F52316CDLF#U0

Overview

R5F52316CDLF#U0 from Renesas is a 32-bit RXv2 microcontroller with 54 MHz max operating frequency, 256 KB on-chip flash, 32 KB SRAM, and integrated FPU compliant with IEEE754. It features USB 2.0 full-speed host/function/OTG, CAN, 12-bit A/D (24 channels), 12-bit D/A (2 channels), RTC, capacitive touch sensing unit (24 keys), and TSIP-Lite encryption engine. It targets industrial HMI, smart sensor nodes, and embedded control systems requiring real-time performance and secure connectivity.

For engineers reviewing the R5F52316CDLF#U0 datasheet, R5F52316CDLF#U0 pinout, R5F52316CDLF#U0 application, or R5F52316CDLF#U0 equivalent, this page delivers verified specifications, package mapping to PWLG0064KA-A (5 × 5 mm WFLGA), functional pinout, real-world use cases, and two validated alternative parts for design flexibility in industrial and consumer embedded applications.

Technical Context

The R5F52316CDLF#U0 implements the RXv2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions-enabling 88.56 DMIPS at 54 MHz. It integrates a single-precision FPU, memory protection unit (MPU), and event link controller (ELC) for interrupt-free peripheral coordination during CPU sleep.

Its clock system supports multiple sources: main oscillator (1–20 MHz), sub-clock (32.768 kHz), on-chip high/low-speed oscillators, PLL (4–12.5 MHz input), and USB-dedicated PLL. System clock runs at up to 54 MHz; USB clock is independently generated at 48 MHz, enabling concurrent high-speed data transfer and real-time control.

Key Specifications

Pinout & Package

Packaged in 64-pin WFLGA (PWLG0064KA-A), 5 × 5 mm, 0.5 mm pitch, with exposed thermal pad. Designed for high-density PCB layouts and thermal efficiency in space-constrained industrial modules.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F52316CDLF#U0, R5F52316ADLF#U0 adds data flash and RTC-critical for firmware logging and time-stamped events-while R5F52315CDLF#20 trades flash capacity and A/D channels for lower unit cost in simpler sensing roles, maintaining identical package and core architecture for drop-in layout reuse.

Availability

R5F52316CDLF#U0 is available at Aetrix Electronics and suitable for industrial HMI, smart sensor nodes, secure gateways, and motor control modules requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for R5F52316CDLF#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 RX231 Group-including R5F52316CDLF#U0-is designed for industrial and consumer applications demanding real-time performance, security, and rich analog/mixed-signal integration in compact packages.

FAQ

What is the maximum operating frequency and CPU architecture of the R5F52316CDLF#U0?

The R5F52316CDLF#U0 operates at a maximum frequency of 54 MHz using the 32-bit RXv2 CPU core. This core features a Harvard architecture with a 5-stage pipeline, variable-length instructions, and delivers 88.56 DMIPS. Its design supports deterministic real-time execution, making it suitable for time-critical industrial control tasks within the R5F52316CDLF#U0's feature set.

Does the R5F52316CDLF#U0 include an integrated floating-point unit (FPU)?

Yes, the R5F52316CDLF#U0 includes a hardware floating-point unit compliant with IEEE754 single-precision (32-bit) standards. This FPU accelerates mathematical operations required for sensor fusion, motor control algorithms, and digital signal processing-directly enhancing computational throughput without software emulation overhead in the R5F52316CDLF#U0.

What package type and pin count does the R5F52316CDLF#U0 use?

The R5F52316CDLF#U0 is housed in a 64-pin WFLGA package (PWLG0064KA-A), measuring 5 × 5 mm with 0.5 mm pitch and an exposed thermal pad. This compact, fine-pitch package supports high-density PCB layouts and efficient thermal dissipation-key for space-constrained industrial modules using the R5F52316CDLF#U0.

Which communication interfaces are supported by the R5F52316CDLF#U0?

The R5F52316CDLF#U0 supports USB 2.0 full-speed host/function/OTG, CAN 2.0B (1 Mbps), up to 7 SCI channels (including IrDA via SCI5), I²C, RSPI, serial sound interface, and SD host interface. Notably, CAN and USB are both present-enabling dual-bus connectivity in industrial gateways and diagnostics tools built around the R5F52316CDLF#U0.

Is the R5F52316CDLF#U0 suitable for applications requiring functional safety compliance?

Yes, the R5F52316CDLF#U0 includes features aligned with IEC60730 Class B requirements: independent watchdog timer (IWDT) with dedicated oscillator, RAM test assistance via DOC, A/D self-diagnostic functions, and clock accuracy measurement circuit (CAC). These capabilities support safe startup, runtime monitoring, and fault detection-making the R5F52316CDLF#U0 appropriate for safety-aware industrial control designs.