Renesas R5F52317BGFP#30

Overview

R5F52317BGFP#30 from Renesas is a 32-bit RXv2 microcontroller with 54 MHz max operating frequency, 384 KB on-chip flash memory, 32 KB SRAM, and integrated FPU compliant to IEEE 754. It features a 12-bit A/D converter (24 channels), 12-bit D/A converter (2 channels), USB 2.0 full-speed host/function/OTG, CAN interface, capacitive touch sensing unit (24 keys), and operates across −40 to +105°C for industrial control applications.

For engineers reviewing the R5F52317BGFP#30 datasheet, R5F52317BGFP#30 pinout, R5F52317BGFP#30 application, or R5F52317BGFP#30 equivalent, this MCU delivers deterministic real-time performance with ELC-triggered peripheral coordination, low-power software standby mode with LPT operation, and IEC60730-compliant self-test functions for safety-critical embedded systems.

Technical Context

The R5F52317BGFP#30 implements the RXv2 CPU core with 5-stage CISC Harvard pipeline, supporting 32-bit multiply-accumulate, single-precision floating-point arithmetic, and fast interrupt response. Its clock system includes main oscillator (1–20 MHz), sub-clock (32.768 kHz), PLL (4–12.5 MHz input), and USB-dedicated PLL enabling concurrent 54 MHz system clock and 48 MHz USB clock.

Peripheral integration includes DMAC (4 channels), DTC, ELC (61 event sources), MPC for flexible pin assignment, and dual timer units (MTU2a and TPU) supporting PWM, phase counting, and A/D trigger generation. The device supports both little- and big-endian data arrangement and includes MPU for memory protection.

Key Specifications

Pinout & Package

Package: PLQP0100KB-B - 100-pin LFQFP, 14 × 14 mm body, 0.5 mm pitch, exposed pad, RoHS compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F52318BGFP#30, R5F52317BGFP#30 trades 128 KB flash and RTC for lower cost while retaining full USB/CAN/CTSU functionality; versus R5F52307BGFP#30, it adds critical connectivity and analog resources essential for sensor-rich edge nodes.

Availability

R5F52317BGFP#30 is available at Aetrix Electronics and suitable for industrial motor control, smart home hubs, medical diagnostic sensors, and automotive body electronics requiring stable component supply across extended temperature ranges.

Supply support for R5F52317BGFP#30 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 industrial, automotive, and IoT markets.

The RX231 Group, including R5F52317BGFP#30, is engineered for high-reliability industrial applications demanding real-time performance, functional safety support, and rich analog/mixed-signal integration.

FAQ

What is the maximum operating frequency and core type of the R5F52317BGFP#30?

The R5F52317BGFP#30 operates at a maximum frequency of 54 MHz using the 32-bit RXv2 CPU core. This core delivers 88.56 DMIPS performance and includes a single-precision IEEE 754 floating-point unit, 32-bit multiply-accumulate instructions, and a 5-stage pipeline for deterministic real-time execution. The R5F52317BGFP#30 maintains full performance across its −40 to +105°C operating range without frequency derating.

Does the R5F52317BGFP#30 support USB and CAN interfaces simultaneously?

Yes, the R5F52317BGFP#30 integrates both USB 2.0 full-speed host/function/OTG and a single-channel CAN module compliant with ISO11898-1. These peripherals operate independently with dedicated clock domains: USB uses a dedicated PLL for 48 MHz operation, while CAN runs from the peripheral clock (PCLKB). The R5F52317BGFP#30 supports concurrent use in applications such as industrial gateways requiring fieldbus and PC connectivity.

What analog peripherals are included in the R5F52317BGFP#30?

The R5F52317BGFP#30 includes a 12-bit A/D converter (S12ADE) with 24 input channels and 0.83 µs conversion time, a 12-bit D/A converter (R12DAA) with two independent channels, an on-chip temperature sensor (TEMPSA), and two analog comparators (CMPBa). All analog blocks support self-diagnostic functions required for IEC60730 compliance. The R5F52317BGFP#30 also integrates a capacitive touch sensing unit (CTSU) supporting up to 24 self-capacitance keys.

Is the R5F52317BGFP#30 qualified for automotive or extended temperature applications?

Yes, the R5F52317BGFP#30 is the G-version part rated for −40 to +105°C operation, making it suitable for under-hood automotive body control modules and industrial equipment deployed in harsh thermal environments. It includes dual low-voltage detection (LVD) circuits with 14 selectable thresholds, independent watchdog timer (IWDT) with dedicated oscillator, and IEC60730 safety assist functions-all validated across the full temperature range. The R5F52317BGFP#30 meets AEC-Q100 stress test requirements for Grade 2 devices.

What security features does the R5F52317BGFP#30 provide?

The R5F52317BGFP#30 incorporates Trusted Secure IP (TSIP-Lite), featuring AES-128/256 encryption engines with GCM, CBC, and CTR modes; a true random number generator; and hardware key protection preventing unauthorized access to cryptographic keys. It also includes memory protection unit (MPU) enforcement and secure boot support. These capabilities enable secure firmware updates, encrypted data storage, and tamper-resistant communication in IoT edge nodes. The R5F52317BGFP#30 implements these features without external co-processors.