Renesas R5F51114AGFL#1A

Overview

R5F51114AGFL#1A from Renesas is a 32-bit RX CPU-based microcontroller operating at up to 32 MHz (50 DMIPS), featuring 96 KB on-chip flash, 16 KB SRAM, 8 KB data flash, 14-channel 12-bit ADC, 2-channel 8-bit DAC, USB 2.0 full-speed host/function/OTG, RTC, and ELC for event-driven peripheral coordination - deployed in industrial sensor nodes and low-power HMI controllers.

For engineers reviewing the R5F5114AGFL#1A datasheet, R5F51114AGFL#1A pinout, R5F51114AGFL#1A application, or R5F51114AGFL#1A equivalent, this page delivers verified package mapping (PLQP0048KB-A, 48-pin LFQFP), confirmed pin functions, real-world use cases, and two validated alternative parts with documented functional and application-level differences.

Technical Context

The R5F51114AGFL#1A implements a CISC Harvard-architecture RX core with five-stage pipeline, variable-length instructions, and 64-bit accumulator for single-cycle 32×32 multiply-accumulate operations. It integrates an Event Link Controller (ELC) enabling direct module-to-module triggering without CPU intervention, and a Data Transfer Controller (DTC) supporting normal, repeat, and block transfer modes triggered by 82 interrupt sources.

Its clock system includes a high-speed on-chip oscillator (32 MHz ±1% over −40°C to +105°C), PLL input range of 4–8 MHz, sub-clock (32.768 kHz), and dedicated IWDT oscillator (15 kHz). Power management supports three low-power modes, including software standby with 0.44 μA supply current and 4.8 μs wake-up time.

Key Specifications

Pinout & Package

Package: PLQP0048KB-A - 48-pin Low-Profile Quad Flat Package, 7 mm × 7 mm body, 0.5 mm lead pitch, exposed thermal pad (non-electrical), RoHS-compliant matte tin finish.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F51114AGFL#1A, R5F51114ADFL#3A offers identical functionality at lower temperature grade and cost, while R5F51115AGFL#3A provides scalable memory headroom without layout changes - both preserve pin compatibility and toolchain alignment.

Availability

R5F51114AGFL#1A is available at Aetrix Electronics and suitable for industrial sensor nodes, smart thermostat HMIs, and programmable logic relays requiring stable component supply, long-term lifecycle support, and guaranteed traceability.

Supply support for R5F51114AGFL#1A 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 rich analog integration, USB connectivity, and functional safety support - designed specifically for sensor hubs, HMI controllers, and smart actuators.

FAQ

What is the maximum operating frequency and core performance of the R5F51114AGFL#1A?

The R5F51114AGFL#1A operates at a maximum frequency of 32 MHz and delivers 50 DMIPS of processing performance. Its RX CPU core features a five-stage pipeline, variable-length instruction encoding, and a 64-bit accumulator capable of single-cycle 32×32 multiply-accumulate operations - enabling deterministic real-time control in applications such as motor commutation and sensor fusion where R5F51114AGFL#1A is deployed.

Does the R5F51114AGFL#1A support USB On-The-Go (OTG) functionality?

Yes, the R5F51114AGFL#1A integrates a USB 2.0 host/function module that fully supports OTG operation, including session request protocol (SRP), host negotiation protocol (HNP), and Battery Charging (BC) v1.2 detection. This allows the R5F51114AGFL#1A to dynamically switch between host and peripheral roles - essential for portable diagnostic tools and field-configurable industrial devices using the R5F51114AGFL#1A.

What are the memory resources available on the R5F51114AGFL#1A?

The R5F51114AGFL#1A includes 96 KB of on-chip flash memory (programmable at 1.8 V, zero wait states at 32 MHz), 16 KB of SRAM (no wait states), and 8 KB of data flash with 1,000,000 erase/write cycles and background operation (BGO) capability. These memory resources make the R5F51114AGFL#1A suitable for firmware with secure boot, parameter storage, and over-the-air update resilience - all implemented within the R5F51114AGFL#1A's integrated memory subsystem.

Which package type does the R5F51114AGFL#1A use, and what are its key mechanical attributes?

The R5F51114AGFL#1A uses the PLQP0048KB-A package: a 48-pin Low-Profile Quad Flat Package measuring 7 mm × 7 mm with 0.5 mm lead pitch and an exposed thermal pad. It is RoHS-compliant with matte tin terminations and supports reflow soldering per J-STD-020. This compact footprint aligns with space-constrained designs where the R5F51114AGFL#1A serves as the central controller in edge-sensor modules and compact HMIs.

How does the R5F51114AGFL#1A support functional safety compliance for industrial applications?

The R5F51114AGFL#1A includes hardware features aligned with IEC 60730 Class B requirements: a Clock Accuracy Measurement Circuit (CAC), Independent Watchdog Timer (IWDT) with dedicated 15 kHz oscillator, RAM test assist functions, and dual voltage detection circuits (LVDAa). These capabilities reduce software certification burden and enable self-test routines - making the R5F51114AGFL#1A appropriate for safety-critical industrial controls where functional integrity must be verified per R5F51114AGFL#1A's built-in mechanisms.