Renesas R5F52306ADFP#50

Overview

R5F52306ADFP#50 from Renesas is a 32-bit RXv2 core microcontroller operating at up to 54 MHz (88.56 DMIPS), featuring 256 KB on-chip flash, 32 KB SRAM, 8 KB data flash, IEEE 754-compliant FPU, and integrated USB 2.0 full-speed host/function/OTG, CAN, and capacitive touch sensing-designed for industrial HMI and smart sensor nodes requiring deterministic real-time control and secure firmware execution.

For engineers reviewing the R5F52306ADFP#50 datasheet, R5F52306ADFP#50 pinout, R5F52306ADFP#50 application, or R5F52306ADFP#50 equivalent, this MCU delivers verified 54-MHz timing accuracy via CAC, hardware-accelerated AES-128/256 encryption (TSIP-Lite), 12-bit 24-channel ADC with 0.83 µs conversion, dual 12-bit DAC outputs, and ELC-driven low-power event chaining without CPU wake-up-critical for battery-backed industrial gateways and IEC60730-compliant safety subsystems.

Technical Context

The R5F52306ADFP#50 implements the RXv2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions, supporting single-cycle execution for most operations and fast interrupt response. It integrates a memory protection unit (MPU), on-chip divider (2-cycle min), and 32-bit multiplier for deterministic DSP workloads.

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 CAC for real-time frequency accuracy monitoring. Power management supports three low-power modes, LPT operation during software standby, and 1.8–5.5 V single-supply operation with LVD across 4–14 voltage levels.

Key Specifications

Pinout & Package

This device is housed in a 100-pin LFQFP package (PLQP0100KB-B), measuring 14 × 14 mm with 0.5 mm pitch, and features 79 general-purpose I/O pins (5-V tolerant, open-drain capable), 8 dedicated analog inputs, and 48 configurable function pins routed via MPC.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F52306ADFP#50, R5F52316ADFP#30 adds SDHI and RTC at higher cost and power, while R5F52305ADFP#30 reduces flash and eliminates data flash-making R5F52306ADFP#50 the optimal balance of secure firmware storage, analog precision, and industrial connectivity for mid-tier edge controllers.

Availability

R5F52306ADFP#50 is available at Aetrix Electronics and suitable for industrial HMI panels, smart sensor nodes, industrial gateways, and IEC60730 safety subsystems requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for R5F52306ADFP#50 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 automotive, industrial, and IoT markets.

The RX230 Group-including R5F52306ADFP#50-is engineered for cost-sensitive industrial automation and consumer appliances demanding high computational throughput, robust security, and mixed-signal integration in compact packages.

FAQ

What is the maximum operating frequency and core type of the R5F52306ADFP#50?

The R5F52306ADFP#50 operates at a maximum frequency of 54 MHz using the 32-bit RXv2 CPU core, delivering 88.56 DMIPS performance. Its Harvard architecture with 5-stage pipeline and variable-length instruction set enables single-cycle execution for most instructions, supporting deterministic real-time control tasks essential for industrial applications.

Does the R5F52306ADFP#50 include hardware encryption capabilities?

Yes, the R5F52306ADFP#50 integrates TSIP-Lite-a hardware cryptographic engine supporting AES-128 and AES-256 in ECB, CBC, GCM, and other modes, plus a true random number generator and secure key management. This enables secure firmware updates, encrypted data logging, and IEC60730-compliant safety functions without software overhead.

What analog peripherals are integrated into the R5F52306ADFP#50?

The R5F52306ADFP#50 includes a 12-bit 24-channel S12ADE A/D converter with 0.83 µs conversion time and per-channel sampling time control, two 12-bit R12DAA D/A converters, an on-chip temperature sensor (TEMPSA), and a dual-channel analog comparator (CMPBa). These enable precise sensor interfacing, closed-loop control, and self-diagnostic functions.

Is the R5F52306ADFP#50 supported for USB 2.0 host and device operation?

Yes, the R5F52306ADFP#50 integrates a full-speed USB 2.0 host/function/OTG module compliant with BC1.2 battery charging specification. It supports 12 Mbps transfers, isochronous endpoints, and internal VCC_USB power generation-allowing direct connection to USB peripherals or hosts without external PHY or power circuitry.

What low-power features does the R5F52306ADFP#50 offer for battery-operated designs?

The R5F52306ADFP#50 supports three low-power modes-sleep, deep sleep, and software standby-with the low-power timer (LPT) continuing operation during software standby using sub-clock or IWDT oscillator. Combined with 1.8–5.5 V operation and configurable peripheral clocks, it enables multi-year battery life in sensor nodes and portable industrial tools.