Renesas R5F52306ADFL#30

Overview

R5F52306ADFL#30 from Renesas is a 32-bit RXv2 core MCU operating at up to 54 MHz (88.56 DMIPS), featuring 256 KB on-chip flash, 32 KB SRAM, 8 KB data flash, and integrated 12-bit A/D (8 channels), 12-bit D/A (2 channels), RTC, capacitive touch sensing (6 keys), CAN interface, and TSIP-Lite encryption engine. It targets industrial control panels requiring deterministic real-time response, low-power operation, and secure firmware updates.

For engineers reviewing the R5F52306ADFL#30 datasheet, R5F52306ADFL#30 pinout, R5F52306ADFL#30 application, or R5F52306ADFL#30 equivalent, this page delivers verified specifications, package mapping to PLQP0048KB-B (48-pin LFQFP, 7×7 mm, 0.5 mm pitch), validated peripheral configurations, and confirmed alternative options for cost-optimized or feature-extended migration paths.

Technical Context

The R5F52306ADFL#30 implements the RXv2 CPU core with IEEE 754-compliant 32-bit FPU, 5-stage CISC Harvard pipeline, and memory protection unit (MPU). Its clock system supports main oscillator (1–20 MHz), sub-clock (32.768 kHz), and USB-dedicated PLL - enabling simultaneous 54 MHz system clock and 48 MHz USB clock.

Peripheral integration includes one CAN channel compliant with ISO11898-1 (up to 1 Mbps), seven SCI channels (asynchronous/clock-synchronous/smart card), one I²C interface (400 kbps), one RSPI (16 Mbps), and event-link controller (ELC) for interrupt-free inter-module triggering - all configured via multi-function pin controller (MPC) and supported in software standby mode.

Key Specifications

Pinout & Package

PLQP0048KB-B is a 48-pin low-profile quad flat package (LFQFP) with 0.5 mm pitch, 7 mm × 7 mm body size, and exposed thermal pad. Pin assignments are defined per Renesas' R01DS0261EJ0120 datasheet Section 5 (Pin Functions) and Table 5.1 (Pin Assignment).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with R5F52306ADFL#30, R5F52316ADFL#30 adds SDHI and full RTC at higher cost and power, while R5F52305ADFL#30 removes data flash and D/A to reduce footprint and price - making R5F52306ADFL#30 the balanced choice for secure, analog-rich embedded control with CAN connectivity.

Availability

R5F52306ADFL#30 is available at Aetrix Electronics and suitable for industrial control panels, smart energy meters, building automation nodes, and medical diagnostic sensor hubs requiring stable component supply across extended product lifecycles.

Supply support for R5F52306ADFL#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 Corporation is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.

The RX230 Group - including R5F52306ADFL#30 - was designed for cost-sensitive industrial and consumer applications demanding real-time performance, low-power operation, and integrated security without external co-processors.

FAQ

What is the maximum operating frequency and CPU architecture of the R5F52306ADFL#30?

The R5F52306ADFL#30 operates at a maximum frequency of 54 MHz using the 32-bit RXv2 CPU core, delivering 88.56 DMIPS. It features a 5-stage CISC Harvard pipeline, IEEE 754-compliant floating-point unit, memory protection unit, and variable-length instruction set - all documented in Renesas datasheet R01DS0261EJ0120. This architecture enables deterministic real-time execution for industrial control tasks.

Does the R5F52306ADFL#30 include CAN interface support?

Yes, the R5F52306ADFL#30 integrates one CAN module compliant with ISO11898-1, supporting data rates up to 1 Mbps. It includes 16 message boxes and operates independently of CPU intervention via the Event Link Controller. This capability is confirmed in Table 1.2 of the R01DS0261EJ0120 datasheet and enables direct integration into industrial fieldbus networks without external CAN controllers.

What analog peripherals are integrated into the R5F52306ADFL#30?

The R5F52306ADFL#30 integrates an 8-channel 12-bit A/D converter (S12ADE) with 0.83 µs conversion time, two 12-bit D/A converters (R12DAA) with 0.4–AVCC0−0.5 V output range, a temperature sensor (TEMPSA), and a 2-channel analog comparator (CMPBa). These are fully functional in the PLQP0048KB-B package and detailed in Sections 22–25 of R01DS0261EJ0120.

Is the R5F52306ADFL#30 pin-compatible with other RX230 Group devices in the same package?

Yes, the R5F52306ADFL#30 shares identical pinout and electrical characteristics with other RX230 Group devices in the PLQP0048KB-B package (e.g., R5F52305ADFL#30, R5F52316ADFL#30), as confirmed by Table 1.2 and Figure 1.1 in R01DS0261EJ0120. This allows drop-in replacement within the same package family when flash size, RAM, or peripheral enablement aligns with design requirements.

What security features does the R5F52306ADFL#30 provide?

The R5F52306ADFL#30 includes TSIP-Lite - Renesas' hardware security module supporting AES-128/256 (GCM/ECB/CBC), true random number generation, and secure key management. It prevents unauthorized access to encryption engines and enables secure firmware updates, meeting IEC60730 Class B requirements. All features are implemented in silicon and verified in R01DS0261EJ0120 Section 28.