Renesas R5F52318ADFP#10

Overview

R5F52318ADFP#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 IEEE 754 single-precision floating-point standard. It features USB 2.0 full-speed host/function/OTG, CAN 2.0B (ISO 11898-1), 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 R5F52318ADFP#10 datasheet, R5F52318ADFP#10 pinout, R5F52318ADFP#10 application, or R5F52318ADFP#10 equivalent, key selection considerations include its 100-pin LFQFP package (14 × 14 mm, 0.5 mm pitch), support for IEC 60730 safety compliance functions, dual 12-bit D/A outputs, and TSIP-Lite hardware encryption engine with AES-128/256, GCM, and true random number generation.

Technical Context

The R5F52318ADFP#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 memory protection unit (MPU), divider (2-cycle min execution), and fast interrupt response with 167 vector entries and 16 priority levels.

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 independent IWDT oscillator. Peripheral synchronization is segmented: ICLK = 54 MHz (CPU/system), PCLKA = 54 MHz (MTU2a), PCLKD = 54 MHz (S12AD), PCLKB = 32 MHz (most peripherals), BCLK = 32 MHz (external bus), FCLK = 32 MHz (FlashIF).

Key Specifications

Pinout & Package

Package: PLQP0100KB-B - 100-pin Low-Profile Quad Flat Package, 14 mm × 14 mm body, 0.5 mm lead pitch, exposed thermal 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 R5F52318AGFP#30, the R5F52318ADFP#10 trades extended temperature rating for lower cost and same functionality in commercial-grade environments; versus R5F52308ADFP#30, it delivers full peripheral complement including CAN, SDHI, dual DACs, and enhanced analog resources - critical for HMI, metering, and medical designs requiring feature completeness.

Availability

R5F52318ADFP#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, long-term lifecycle assurance, and traceable sourcing.

Supply support for R5F52318ADFP#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 Corporation is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and IoT markets.

The RX231 Group - to which R5F52318ADFP#10 belongs - was designed for high-integration, safety-aware industrial applications demanding real-time performance, rich analog/mixed-signal capability, and hardware security in compact packages.

FAQ

What is the maximum operating frequency and CPU performance of the R5F52318ADFP#10?

The R5F52318ADFP#10 operates at a maximum frequency of 54 MHz using the RXv2 32-bit CPU core and delivers 88.56 DMIPS. Its architecture includes a 5-stage pipeline, variable-length instructions, and hardware FPU compliant with IEEE 754 - enabling deterministic real-time computation for motor control, sensor fusion, and digital power applications where R5F52318ADFP#10 serves as the primary computational engine.

Does the R5F52318ADFP#10 support USB host functionality and what speed modes are available?

Yes, the R5F52318ADFP#10 integrates a USB 2.0 host/function/OTG module supporting full-speed (12 Mbps) and low-speed (1.5 Mbps) modes, isochronous transfers, and Battery Charging Specification 1.2 (BC1.2). It includes an internal USB power supply circuit that eliminates the need for external VCC_USB when VCC is between 4.0 V and 5.5 V - a key design advantage for portable R5F52318ADFP#10-based systems.

What analog peripherals are included in the R5F52318ADFP#10 and how are they configured?

The R5F52318ADFP#10 includes a 24-channel 12-bit S12ADE A/D converter (0.83 µs min conversion time), two 12-bit R12DAA D/A converters, two 2-channel analog comparators (CMPB), and a TEMPSA temperature sensor. Sampling time is configurable per A/D channel, and conversion can be triggered by software, timers (MTU/TPU), external pins, or ELC events - making R5F52318ADFP#10 ideal for precision measurement and closed-loop control systems.

Is the R5F52318ADFP#10 qualified for functional safety standards such as IEC 60730?

Yes, the R5F52318ADFP#10 includes dedicated hardware features for IEC 60730 Class B compliance: A/D self-diagnostic and analog input disconnection detection, clock frequency accuracy measurement circuit (CAC), independent watchdog timer (IWDT) with dedicated oscillator, RAM test assistance via Data Operation Circuit (DOC), and voltage monitoring circuits with multiple detection levels - all verified and documented in the R5F52318ADFP#10 datasheet and safety manual.

What package type and pin count does the R5F52318ADFP#10 use, and is it RoHS-compliant?

The R5F52318ADFP#10 uses the PLQP0100KB-B package: a 100-pin Low-Profile Quad Flat Package measuring 14 mm × 14 mm with 0.5 mm pitch and an exposed thermal pad. It is RoHS-compliant, lead-free, and rated for −40°C to +85°C operation. This package provides full access to all peripherals including USB, CAN, SDHI, and 24 CTSU channels - essential for R5F52318ADFP#10's target applications in space-constrained industrial designs.