Renesas R5F51111ADNE#2A

Overview

R5F51111ADNE#2A from Renesas is a 32-bit RX111 Group microcontroller featuring a 32 MHz CPU core delivering 50 DMIPS, 32 KB on-chip flash memory with zero wait states, 10 KB SRAM, and integrated USB 2.0 full-speed host/function/OTG capability. It includes a 12-bit A/D converter (14 channels), 8-bit D/A converter (2 channels), RTC with calendar mode, and operates from 1.8–3.6 V across −40 to +85°C in a 48-pin HWQFN package.

For engineers reviewing the R5F51111ADNE#2A datasheet, R5F51111ADNE#2A pinout, R5F51111ADNE#2A application, or R5F51111ADNE#2A equivalent, this MCU supports low-power industrial sensing, USB-connected embedded control, and real-time motor feedback systems requiring deterministic interrupt latency, background data flash writes, and hardware-accelerated CRC.

Technical Context

The R5F51111ADNE#2A implements a CISC Harvard-architecture RX CPU 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 frequency accuracy validation.

Peripheral integration includes Event Link Controller (ELC) enabling direct module-to-module triggering without CPU intervention, Data Transfer Controller (DTC) supporting chain transfers on 82 interrupt sources, and MTU2 timer unit with six 16-bit channels for complementary PWM and phase counting - all synchronized to PCLK up to 32 MHz.

Key Specifications

Pinout & Package

PWQN0048KB-A is a 48-pin wettable flank QFN package (7 × 7 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are defined per Table 1.4 and Figure 1.5 of R01DS0190EJ0130 Rev.1.30, supporting 30 general I/O pins, 4 5-V tolerant inputs, 24 open-drain outputs, and dedicated analog/USB/power/oscillator pins.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F51111ADNE#2A, R5F51111AGNE#UA extends temperature range without changing footprint or code, while R5F51113ADNE#UA increases memory and analog/timer resources - both retain identical USB, ELC, and low-power behavior for seamless migration.

Availability

R5F51111ADNE#2A is available at Aetrix Electronics and suitable for industrial sensor nodes, USB-connected embedded controllers, and motor feedback interfaces requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.

Supply support for R5F51111ADNE#2A 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 industrial, automotive, and IoT markets.

The RX111 Group targets cost-sensitive, low-power embedded applications demanding USB connectivity, real-time performance, and functional safety support - designed specifically for smart sensors, HMI interfaces, and portable industrial equipment.

FAQ

What is the maximum operating frequency and core architecture of the R5F51111ADNE#2A?

The R5F51111ADNE#2A features a 32-bit RX CPU core with a maximum operating frequency of 32 MHz, delivering 50 DMIPS. It uses a CISC Harvard architecture with five-stage pipeline, variable-length instruction encoding, and a 64-bit accumulator for single-cycle 32×32 multiply-accumulate operations - all confirmed in Section 1.1 of R01DS0190EJ0130 Rev.1.30.

Does the R5F51111ADNE#2A support USB On-The-Go (OTG) functionality?

Yes, the R5F51111ADNE#2A integrates a USB 2.0 host/function module that fully supports OTG operation, including ID pin detection (USB0_ID), VBUS monitoring (USB0_VBUS), and BC 1.2 battery charger detection. This enables dynamic role switching between host and device modes without external transceivers - detailed in Section 1.1 and Table 1.1 of R01DS0190EJ0130.

What are the memory resources available on the R5F51111ADNE#2A?

The R5F51111ADNE#2A includes 32 KB of on-chip flash memory (zero wait states at 32 MHz), 10 KB of SRAM, and 8 KB of data flash rated for 1,000,000 erase/write cycles. All memory blocks operate without wait states at maximum CPU speed, and the data flash supports Background Operation (BGO) for concurrent execution and programming - specified in Tables 1.1 and 1.3 of R01DS0190EJ0130.

How many analog-to-digital converter (ADC) channels does the R5F51111ADNE#2A provide?

The R5F51111ADNE#2A integrates a 12-bit S12AD analog-to-digital converter with up to 14 input channels (AN000–AN015, excluding AN005 and AN007). Minimum conversion time is 1.0 µs at 32 MHz ADCLK, and it supports double-trigger mode for motor control applications - confirmed in Section 1.1 and Table 1.2 of R01DS0190EJ0130 Rev.1.30.

What package type and pin count does the R5F51111ADNE#2A use?

The R5F51111ADNE#2A is packaged in a 48-pin HWQFN (PWQN0048KB-A) with 7 × 7 mm body size and 0.5 mm pitch. This wettable flank QFN exposes the thermal pad for enhanced heat dissipation and solder inspection - explicitly listed in Table 1.3 and Figure 1.5 of R01DS0190EJ0130 Rev.1.30.