Renesas R5F52317BDFP#10

Overview

R5F52317BDFP#10 from Renesas is a 32-bit RXv2 core microcontroller operating at up to 54 MHz (88.56 DMIPS), featuring 384 KB on-chip flash, 32 KB SRAM, 8 KB data flash, integrated FPU (IEEE 754 single-precision), and hardware encryption (TSIP-Lite AES-128/256). It targets industrial HMI, sensor nodes, and USB-connected embedded control where deterministic real-time response, low-power operation, and secure firmware updates are required.

For engineers reviewing the R5F52317BDFP#10 datasheet, R5F52317BDFP#10 pinout, R5F52317BDFP#10 application, or R5F52317BDFP#10 equivalent, key selection criteria include its 100-pin LFQFP package, CAN + USB 2.0 full-speed OTG support, 24-channel 12-bit ADC with 0.83 µs conversion time, RTC with battery backup, and −40 to +85°C temperature grade.

Technical Context

The R5F52317BDFP#10 implements the RXv2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions-enabling ultra-compact code and fast interrupt latency. It integrates dual clock domains: ICLK at 54 MHz for CPU/system, and PCLKA/PCLKD at 54 MHz for MTU2a and S12AD, while PCLKB runs at 32 MHz for most peripherals.

Its peripheral set includes ELC for event-driven module triggering without CPU wake-up, DTC for interrupt-triggered transfers, and TSIP-Lite for authenticated AES encryption with true random number generation. The MCU supports three low-power modes (sleep, deep sleep, software standby) with LPT active in standby and RTC powered by sub-clock oscillator.

Key Specifications

Pinout & Package

Package: 100-pin LFQFP (PLQP0100KB-B), 14 × 14 mm, 0.5 mm pitch, lead-free, RoHS compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F52317BDFP#10, R5F52317ADFP#30 removes CAN and SDHI to reduce cost but retains USB and touch capability, while R5F52318BDFP#30 scales memory upward without altering peripheral count or footprint-making both viable alternatives depending on firmware size and interface requirements.

Availability

R5F52317BDFP#10 is available at Aetrix Electronics and suitable for industrial HMI, smart sensor nodes, and USB-CAN gateways requiring stable component supply, long-term lifecycle support, and RoHS-compliant manufacturing.

Supply support for R5F52317BDFP#10 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 R5F52317BDFP#10-is designed for cost-sensitive industrial and consumer applications demanding high performance, low power, and integrated security without sacrificing real-time determinism.

FAQ

What is the maximum operating frequency and CPU performance of the R5F52317BDFP#10?

The R5F52317BDFP#10 operates at a maximum system clock frequency of 54 MHz, delivering 88.56 DMIPS. Its RXv2 core features a 5-stage pipeline, variable-length instructions, and hardware FPU-enabling efficient execution of floating-point math for motor control or sensor fusion. The R5F52317BDFP#10 achieves this performance across its full 1.8–5.5 V supply range with no wait states up to 32 MHz on flash.

Does the R5F52317BDFP#10 support CAN communication, and what is its compliance level?

Yes, the R5F52317BDFP#10 integrates a CAN module compliant with ISO 11898-1 (CAN 2.0B), supporting standard and extended frames at up to 1 Mbps. It includes 16 message boxes and operates independently of CPU intervention via ELC-triggered transfers. This makes the R5F52317BDFP#10 suitable for industrial fieldbus nodes requiring deterministic messaging and error detection.

What security features does the R5F52317BDFP#10 provide for firmware protection?

The R5F52317BDFP#10 includes TSIP-Lite-a hardware-accelerated security IP block supporting AES-128/256 in ECB, CBC, GCM, and CMAC modes, plus SHA-256 hashing and a true random number generator. Keys are isolated from software access, preventing extraction. These features enable secure boot, encrypted firmware updates, and tamper-resistant data storage-critical for deployments using the R5F52317BDFP#10 in untrusted environments.

How many analog-to-digital converter channels does the R5F52317BDFP#10 have, and what is its speed?

The R5F52317BDFP#10 integrates a 12-bit S12ADE ADC with 24 input channels and a minimum conversion time of 0.83 µs when ADCLK runs at 54 MHz. Each channel supports programmable sampling time, and conversion can be triggered by software, timers (MTU/TPU), external signals, or ELC events-making the R5F52317BDFP#10 well-suited for high-speed sensor acquisition in closed-loop control systems.

What package type and pin count does the R5F52317BDFP#10 use?

The R5F52317BDFP#10 is supplied in a 100-pin LFQFP package (PLQP0100KB-B), measuring 14 × 14 mm with 0.5 mm pitch. It is lead-free and RoHS compliant. This package provides full access to all peripherals-including USB, CAN, 24 ADC inputs, and 24 CTSU channels-while maintaining compatibility with standard QFP reflow processes used in industrial PCB assembly.