Renesas R5F51118ADFM#3A

Overview

R5F51118ADFM#3A from Renesas is a 32-bit RX CPU-based microcontroller operating at up to 32 MHz (50 DMIPS), featuring 512 KB on-chip flash, 64 KB SRAM, 8 KB data flash, 14-channel 12-bit ADC, dual 8-bit DAC, USB 2.0 full-speed host/function/OTG, RTC, and ELC/DTC peripherals - deployed in industrial HMI, sensor gateway, and USB-connected embedded control systems.

For engineers reviewing the R5F51118ADFM#3A datasheet, R5F51118ADFM#3A pinout, R5F51118ADFM#3A application, or R5F51118ADFM#3A equivalent, key selection criteria include its −40°C to +85°C temperature grade, 64-pin LFQFP (PLQP0064KB-A) package, integrated USB transceiver with BC support, and hardware-accelerated event linking for low-latency peripheral coordination without CPU wake-up.

Technical Context

The R5F51118ADFM#3A implements a CISC Harvard-architecture RX CPU core with five-stage pipeline, variable-length instructions, and 64-bit accumulator for single-cycle 32×32 multiply-accumulate operations. Its clock system integrates PLL, high-speed on-chip oscillator (32 MHz ±1%), sub-clock (32.768 kHz), and CAC for real-time frequency accuracy monitoring.

Peripheral integration includes Event Link Controller (ELC) enabling direct module-to-module triggering (e.g., MTU timer → ADC start), Data Transfer Controller (DTC) supporting chain transfers across 82 interrupt sources, and USB 2.0 controller with dedicated 32 KB ROM for host stack - all operating under software standby mode recovery in 4.8 μs with 0.44 μA supply current.

Key Specifications

Pinout & Package

Package: 64-pin LFQFP (PLQP0064KB-A), 10 × 10 mm body, 0.5 mm pitch, exposed pad not specified. Pinout validated per Renesas R01DS0190EJ0130 Rev.1.30, Pages 10–13.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F51118AGFM#3A, the R5F51118ADFM#3A trades extended temperature rating for lower cost and thermal headroom in commercial environments; versus R5F51117ADFM#3A, it delivers 128 KB additional flash for future firmware expansion or dual-bank OTA updates without hardware revision.

Availability

R5F51118ADFM#3A is available at Aetrix Electronics and suitable for industrial HMI, USB sensor gateways, and motor control modules requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.

Supply support for R5F51118ADFM#3A 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 RX111 Group, including R5F51118ADFM#3A, was designed for cost-sensitive, USB-connected embedded applications demanding real-time performance, low power, and functional safety compliance - targeting industrial control, smart meters, and human-machine interfaces.

FAQ

What is the maximum operating frequency and core performance of the R5F51118ADFM#3A?

The R5F51118ADFM#3A operates at a maximum frequency of 32 MHz and delivers 50 DMIPS of processing performance using its 32-bit RX CPU core. Its five-stage pipeline, variable-length instruction set, and 64-bit accumulator enable efficient execution of real-time control algorithms and communication stacks - verified in Renesas R01DS0190EJ0130 Rev.1.30 Section 1.1.

Does the R5F51118ADFM#3A support USB host functionality, and what is required to implement it?

Yes, the R5F51118ADFM#3A integrates a USB 2.0 host/function/OTG module with an on-chip transceiver and supports full-speed (12 Mbps) operation. Implementation requires ≥32 KB of on-chip ROM (provided), external USB connector, VBUS sensing circuitry, and Renesas USB host stack software - detailed in Section 1.4 of R01DS0190EJ0130 Rev.1.30.

What low-power modes does the R5F51118ADFM#3A support, and what are their key characteristics?

The R5F5118ADFM#3A supports three low-power modes: software standby (0.44 μA, 4.8 μs wake-up), deep sleep, and sleep mode. It achieves 0.11 mA/MHz in high-speed operating mode. These modes are controlled via SCKCR register settings and validated across the −40°C to +85°C range per Section 1.1 of R01DS0190EJ0130 Rev.1.30.

How many ADC and DAC channels does the R5F51118ADFM#3A include, and what are their resolutions?

The R5F51118ADFM#3A includes a 14-channel 12-bit successive-approximation ADC with minimum 1.0 μs conversion time at 32 MHz ADCLK, and two independent 8-bit voltage-output DACs (DA0, DA1). Both peripherals are fully integrated with the ELC and DTC for autonomous operation - confirmed in Tables 1.1 and 1.2 of R01DS0190EJ0130 Rev.1.30.

What package type and pin count does the R5F51118ADFM#3A use, and is it RoHS-compliant?

The R5F51118ADFM#3A uses a 64-pin LFQFP package (PLQP0064KB-A), 10 × 10 mm body with 0.5 mm pitch, and is RoHS-compliant with lead-free (Sn-only) terminal finish indicated by the #3A suffix. This package provides 46 general-purpose I/O pins with 5-V tolerance - specified in Table 1.3 and Figure 1.3 of R01DS0190EJ0130 Rev.1.30.