Renesas R5F10RBAGFP#X0

Overview

R5F10RBAGFP#X0 from Renesas is a 32-pin LQFP 7×7 mm ultra-low-power 16-bit RL78/L12 microcontroller with 16 KB flash, 2 KB data flash, 1 KB RAM, integrated LCD controller/driver (up to 35 seg × 8 com), and real-time clock - designed for battery-powered LCD display applications such as smart meters and portable medical devices.

For engineers reviewing the R5F10RBAGFP#X0 datasheet, R5F10RBAGFP#X0 pinout, R5F10RBAGFP#X0 application, or R5F10RBAGFP#X0 equivalent, key selection criteria include its 0.64 µA RTC+LVD halt current, 31 DMIPS @ 24 MHz performance, 1.6–5.5 V operation range, and on-chip LCD drive capability without external bias circuitry.

Technical Context

The R5F10RBAGFP#X0 implements the RL78 CPU core with Harvard architecture, 3-stage pipeline, and CISC instruction set delivering 86% of instructions in 1–2 cycles. It integrates a high-speed on-chip oscillator (24 MHz ±1% over voltage/temperature) and supports multiple clock sources including external crystal (X1/X2) and subsystem clock (XT1/XT2).

Its peripheral set includes an 8-channel timer array unit, 10-bit ADC with 10 channels and internal 1.45 V reference, dual CSI interfaces (SPI-compatible), I²C, UART, LIN, DMA controller (2 channels), and safety features compliant with IEC/UL 60730 including flash CRC, RAM parity, and illegal memory access detection.

Key Specifications

Pinout & Package

32-pin plastic LQFP (7 × 7 mm, 0.8 mm pitch) with exposed pad not present; REGC requires 0.47–1 µF capacitor to VSS.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F10RBAGFP#X0, the R5F10RBCGFP#X0 offers double flash capacity in identical form factor for feature-rich firmware, while the R5F10RFAGFP#X0 trades compactness for expanded I/O and LCD drive capability - enabling scalable UI design across product tiers.

Availability

R5F10RBAGFP#X0 is available at Aetrix Electronics and suitable for smart metering, portable medical devices, and industrial HMI applications requiring stable component supply, long-term lifecycle support, and industrial-temperature-grade reliability.

Supply support for R5F10RBAGFP#X0 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 RL78/L12 product line targets ultra-low-power LCD-based applications, integrating high-efficiency CPU, on-chip LCD driver, and safety features to reduce system cost and complexity in battery-operated displays.

FAQ

What is the maximum operating frequency and performance of the R5F10RBAGFP#X0?

The R5F10RBAGFP#X0 operates at up to 24 MHz using its high-speed on-chip oscillator, delivering 31 DMIPS of processing performance. Its RL78 CPU core executes 86% of instructions in just 1–2 clock cycles, enabling responsive real-time control in LCD-based systems while maintaining ultra-low power consumption.

Does the R5F10RBAGFP#X0 support RTC functionality with calendar and alarm features?

Yes, the R5F10RBAGFP#X0 includes a dedicated real-time clock (RTC) module with full calendar (year/month/day/hour/minute/second), alarm interrupt, and watch correction function. It maintains accurate timekeeping in 0.64 µA halt mode with LVD enabled, making it ideal for time-stamped data logging in battery-powered devices.

What LCD configurations does the R5F10RBAGFP#X0 support, and how is contrast adjusted?

The R5F10RBAGFP#X0 supports up to 35 segments × 8 commons or 39 segments × 4 commons using capacitor split, internal voltage boost, or resistance division methods. LCD contrast is digitally adjustable in 16 steps via dedicated registers, eliminating need for external potentiometers or bias voltage trimming.

How many analog input channels and what ADC resolution does the R5F10RBAGFP#X0 provide?

The R5F10RBAGFP#X0 integrates a 10-bit successive approximation ADC with 10 input channels (ANI0–ANI19), 2.1 µs conversion time, and support for 1.6 V minimum supply voltage. It includes internal 1.45 V reference and AVREFP/AVREFM pins for precise differential measurements in sensor interface applications.

Is the R5F10RBAGFP#X0 qualified for industrial temperature operation?

Yes, the R5F10RBAGFP#X0 is rated for −40°C to +105°C ambient operation (industrial grade 'G' suffix), validated across its full electrical specification range. This makes it suitable for deployment in harsh environments such as utility meters, factory HMIs, and outdoor medical equipment without derating.