Renesas R5F52318ADFM#10

Overview

R5F52318ADFM#10 from Renesas is a 32-bit RXv2 microcontroller with 54 MHz max operating frequency, 512 KB on-chip flash memory, 64 KB SRAM, and integrated FPU compliant with IEEE754 single-precision floating-point standard. It features USB 2.0 full-speed host/function/OTG, CAN 2.0B (ISO11898-1), 24-channel 12-bit A/D converter (0.83 µs conversion time), and capacitive touch sensing unit supporting up to 24 self-capacitance keys - deployed in industrial HMI control panels requiring real-time sensor fusion and secure local UI interaction.

For engineers reviewing the R5F52318ADFM#10 datasheet, R5F52318ADFM#10 pinout, R5F52318ADFM#10 application, or R5F52318ADFM#10 equivalent, key selection criteria include its 64-pin LFQFP package (10 × 10 mm, 0.5 mm pitch), support for IEC60730 safety compliance functions, dual 12-bit D/A outputs, and TSIP-Lite encryption engine with AES-128/256, GCM, and true random number generation.

Technical Context

The R5F52318ADFM#10 implements the RXv2 CPU core with CISC Harvard architecture, 5-stage pipeline, and variable-length instructions enabling 88.56 DMIPS at 54 MHz. It integrates an on-chip FPU, memory protection unit (MPU), and event link controller (ELC) for interrupt-free peripheral coordination during CPU sleep.

Its clock system includes main oscillator (1–20 MHz), sub-clock (32.768 kHz), PLL (4–12.5 MHz input), USB-dedicated PLL (4/6/8/12 MHz), and IWDT-dedicated low-speed oscillator. Power management supports three low-power modes, RTC operation on battery backup, and LPT timer active in software standby state.

Key Specifications

Pinout & Package

Package: 64-pin Low-profile Quad Flat Package (LFQFP), PLQP0064KB-C, 10 × 10 mm body, 0.5 mm lead pitch, exposed thermal pad (non-electrical).

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F52318ADFM#10, R5F52318ADFP#30 offers expanded I/O and memory interface capability at larger footprint, while R5F52317ADFM#30 provides identical functionality with reduced memory - enabling scalable BOM optimization without layout change.

Availability

R5F52318ADFM#10 is available at Aetrix Electronics and suitable for industrial HMI panels, smart energy meters, medical patient monitors, and factory automation gateways requiring stable component supply across extended product lifecycles.

Supply support for R5F52318ADFM#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 R5F52318ADFM#10, is designed for high-integrity industrial applications demanding real-time performance, functional safety support (IEC60730), and integrated security - targeting HMI, metering, and edge control systems.

FAQ

What is the maximum operating frequency and core architecture of the R5F52318ADFM#10?

The R5F52318ADFM#10 operates at a maximum frequency of 54 MHz using the 32-bit RXv2 CPU core. This core implements a CISC Harvard architecture with a 5-stage pipeline, variable-length instructions, and delivers 88.56 DMIPS. It includes an on-chip FPU compliant with IEEE754 single-precision floating-point standard, essential for real-time signal processing in the R5F52318ADFM#10.

Does the R5F52318ADFM#10 support USB 2.0 host and device functionality?

Yes, the R5F52318ADFM#10 integrates a USB 2.0 host/function module compliant with full-speed (12 Mbps) and low-speed (1.5 Mbps) operation. It supports On-The-Go (OTG), isochronous transfers, and Battery Charging Specification 1.2 (BC1.2). The internal USB regulator allows operation without external VCC_USB supply when VCC is 4.0–5.5 V - a key feature of the R5F52318ADFM#10.

What analog peripherals are integrated into the R5F52318ADFM#10?

The R5F52318ADFM#10 includes a 24-channel 12-bit A/D converter with minimum conversion time of 0.83 µs, two 12-bit D/A converters (0.4–AVCC0−0.5 V output), two analog comparator units (4 total channels), and an on-chip temperature sensor digitized via the A/D. These analog resources are fully supported by the R5F52318ADFM#10's TSIP-Lite and IEC60730 diagnostic features.

Is the R5F52318ADFM#10 qualified for industrial temperature range and safety standards?

Yes, the R5F52318ADFM#10 is rated for −40 to +85°C operation (D version) and includes built-in functions to support IEC60730 Class B compliance: self-diagnostic assistance for A/D, clock frequency accuracy measurement (CAC), independent watchdog timer (IWDT), and RAM testing via DOC. These capabilities are integral to the R5F52318ADFM#10's design for certified industrial equipment.

What package type and pin count does the R5F52318ADFM#10 use?

The R5F52318ADFM#10 uses a 64-pin Low-profile Quad Flat Package (LFQFP) with designation PLQP0064KB-C, measuring 10 × 10 mm with 0.5 mm lead pitch. This package includes an exposed thermal pad and supports 5-V-tolerant I/O, open-drain outputs, and programmable drive strength - consistent across all variants of the R5F52318ADFM#10.