Renesas R5F52315ADFL#30

Overview

R5F52315ADFL#30 from Renesas is a 32-bit RXv2 core microcontroller operating at up to 54 MHz (88.56 DMIPS), featuring 128 KB on-chip flash, 32 KB SRAM, 8 KB data flash, integrated FPU (IEEE 754 single-precision), and hardware encryption (TSIP-Lite AES-128/256). It supports USB 2.0 full-speed host/function/OTG, CAN, 24-channel 12-bit ADC, dual 12-bit DAC, RTC, capacitive touch sensing (6 channels), and operates from 1.8–5.5 V across −40 to +85°C.

For engineers reviewing the R5F52315ADFL#30 datasheet, R5F52315ADFL#30 pinout, R5F52315ADFL#30 application, or R5F52315ADFL#30 equivalent, key selection considerations include its 48-pin LFQFP package (PLQP0048KB-B), absence of SDHI and CAN modules per package-specific configuration, and suitability for cost-sensitive industrial HMI, sensor nodes, and USB-connected embedded control where compact footprint and cryptographic security are required.

Technical Context

The R5F52315ADFL#30 implements the RXv2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions-enabling ultra-compact code and fast interrupt response. It integrates memory protection unit (MPU), on-chip debugging (FINE interface), 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), and USB-dedicated PLL, enabling independent 54 MHz ICLK and 48 MHz USB clock generation. Power management supports three low-power modes, LPT operation in software standby, and voltage detection with 4-level LVDAb settings.

Key Specifications

Pinout & Package

Package: PLQP0048KB-B - 48-pin Low-profile Quad Flat Package, 7 mm × 7 mm, 0.5 mm pitch, exposed thermal pad, RoHS compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F52315ADFL#30, R5F52315ADFM#30 provides expanded peripheral integration at the cost of board space, while R5F52305ADFL#30 sacrifices USB and crypto for reduced complexity and bill-of-materials cost-making R5F52315ADFL#30 the optimal balance for compact, USB-connected, secure embedded devices.

Availability

R5F52315ADFL#30 is available at Aetrix Electronics and suitable for industrial sensor nodes, USB-connected actuators, and consumer appliance HMIs requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.

Supply support for R5F52315ADFL#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 RX231 Group, which includes R5F52315ADFL#30, was designed for secure, USB-enabled embedded control in space-constrained industrial and consumer applications-emphasizing low-power operation, cryptographic integrity, and rich analog/mixed-signal integration.

FAQ

What is the maximum operating frequency and core type of the R5F52315ADFL#30?

The R5F52315ADFL#30 features a 32-bit RXv2 CPU core with a maximum operating frequency of 54 MHz, delivering 88.56 DMIPS performance. Its Harvard architecture with 5-stage pipeline and variable-length instruction set enables efficient code density and deterministic interrupt latency-critical for real-time industrial control tasks executed by the R5F52315ADFL#30.

Does the R5F52315ADFL#30 include hardware encryption capabilities?

Yes, the R5F52315ADFL#30 integrates TSIP-Lite (Trusted Secure IP Lite), providing hardware-accelerated AES-128 and AES-256 encryption/decryption in ECB, CBC, GCM, and CMAC modes, plus a true random number generator. This enables secure firmware updates and data protection without burdening the CPU-making the R5F52315ADFL#30 suitable for applications requiring cryptographic integrity.

Which communication interfaces are supported by the R5F52315ADFL#30?

The R5F52315ADFL#30 supports USB 2.0 full-speed host/function/OTG (12 Mbps), six SCI channels (including IrDA via SCI5), one I²C bus interface (400 kbps), one RSPI (16 Mbps), and one serial sound interface (SSI). It does not include CAN or SDHI modules in this 48-pin LFQFP configuration-key differentiators confirmed in Table 1.2 of the R01DS0261EJ0120 datasheet for the R5F52315ADFL#30.

What is the package type and pin count of the R5F52315ADFL#30?

The R5F52315ADFL#30 uses the PLQP0048KB-B package: a 48-pin Low-profile Quad Flat Package measuring 7 mm × 7 mm with 0.5 mm pitch and an exposed thermal pad. This compact footprint supports high-density PCB layouts while maintaining thermal performance-consistent with the R5F52315ADFL#30's target use in space-constrained industrial and consumer devices.

Does the R5F52315ADFL#30 include analog peripherals such as ADC and DAC?

Yes, the R5F52315ADFL#30 integrates a 24-channel 12-bit successive-approximation ADC with 0.83 µs conversion time and programmable sampling per channel, plus two independent 12-bit voltage-output DACs (R12DAA). These analog resources, combined with two comparator units and a temperature sensor, make the R5F52315ADFL#30 well-suited for sensor interfacing and closed-loop control applications.