Renesas R5F10RBCGFP#30

Overview

R5F10RBCGFP#30 from Renesas is a 32-pin LQFP ultra-low-power 16-bit RL78/L12 microcontroller with 32 KB flash, 2 KB data flash, 1.5 KB RAM, integrated LCD controller/driver (35 seg × 4 com), and 31 DMIPS performance at 24 MHz. It operates from 1.6 V to 5.5 V and targets battery-powered LCD display applications such as smart meters and portable medical devices.

For engineers reviewing the R5F10RBCGFP#30 datasheet, R5F10RBCGFP#30 pinout, R5F10RBCGFP#30 application, or R5F10RBCGFP#30 equivalent, key selection criteria include its 0.64 µA RTC+LVD halt current, on-chip 24 MHz ±1% oscillator, 10-bit ADC with internal 1.45 V reference, and support for capacitor-split LCD drive at 0.12 µA segment current.

Technical Context

The R5F10RBCGFP#30 implements the RL78 CPU core with Harvard architecture, 3-stage pipeline, and 86% of instructions executed in 1–2 clock cycles. It integrates a dedicated LCD controller supporting waveform types A/B, 16-step contrast adjustment, and blinking control - all configurable without external components.

Its power management includes four operating modes (Active, Snooze, Stop, Halt), POR/LVD with 14 voltage thresholds, and dual-clock domains: high-speed main (up to 24 MHz) and low-speed subsystem (32.768 kHz). The device supports background data flash operation and CRC-based flash integrity checking for IEC 60730 compliance.

Key Specifications

Pinout & Package

32-pin plastic LQFP (7 mm × 7 mm, 0.8 mm pitch), RoHS-compliant, industrial-grade (−40°C to +105°C).

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F10RBAGFP#30, the R5F10RBCGFP#30 provides double the code flash for complex UI logic or firmware updates, while compared with R5F10RFCGFP#30, it retains full functionality in a smaller 32-pin footprint-reducing PCB area and routing complexity for compact designs.

Availability

R5F10RBCGFP#30 is available at Aetrix Electronics and suitable for smart energy meters, portable medical devices, industrial control panels, and home appliance displays requiring stable component supply across extended product lifecycles.

Supply support for R5F10RBCGFP#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 is a global semiconductor leader specializing in microcontrollers, analog, and power solutions for automotive, industrial, and IoT markets.

The RL78/L12 product line is engineered for ultra-low-power LCD-based applications, integrating high-efficiency CPU, precision analog, and flexible display control in a single chip to minimize system-level BOM and power consumption.

FAQ

What is the maximum operating frequency and associated performance of the R5F10RBCGFP#30?

The R5F10RBCGFP#30 operates at a maximum frequency of 24 MHz using its on-chip high-speed oscillator, delivering 31 DMIPS of processing performance. This enables responsive real-time control in LCD-based systems while maintaining ultra-low active current of 62.5 µA/MHz. The R5F10RBCGFP#30 achieves this performance without requiring external clock sources due to its ±1% oscillator accuracy across voltage and temperature ranges.

How does the R5F10RBCGFP#30 support LCD display functionality without external components?

The R5F10RBCGFP#30 integrates a full LCD controller/driver supporting up to 35 segments × 4 commons, with three drive methods: capacitor split (0.12 µA/seg), internal voltage boost (0.63 µA/seg at 3.0 V), and resistance division. It includes dedicated VL1–VL4 bias supplies, COM0–COM3 outputs, and CAPH/CAPL pins for external capacitor connection - eliminating need for external LCD bias ICs or charge pumps.

What power-saving modes are available on the R5F10RBCGFP#30, and what are their typical current draws?

The R5F10RBCGFP#30 offers four low-power modes: Stop (0.23 µA, RAM retained), Stop with LVD enabled (0.31 µA), Halt (RTC + LVD active, 0.64 µA), and Snooze (peripheral operation with CPU halted). These modes allow rapid wake-up while preserving real-time clock and voltage monitoring functions - essential for battery-operated R5F10RBCGFP#30 applications like utility meters and portable diagnostics.

Does the R5F10RBCGFP#30 include built-in safety features for certified industrial applications?

Yes, the R5F10RBCGFP#30 incorporates multiple hardware safety features required for IEC 60730 Class B compliance, including flash memory CRC calculation, RAM parity error detection, SFR write protection, illegal memory access detection, clock frequency monitoring, and ADC self-test. These features enable safe operation in industrial control and medical R5F10RBCGFP#30 implementations without external safety monitors.

What development tools and debug interfaces are supported by the R5F10RBCGFP#30?

The R5F10RBCGFP#30 supports 1-wire on-chip debugging via TOOL0/P40, TOOLRxD/P11, and TOOLTxD/P12 pins - enabling full-featured debugging without JTAG header space. Renesas provides the E2 emulator, CS+ IDE, and AP4 programming toolchain. The R5F10RBCGFP#30 also supports self-programming via flash shield window function for field firmware updates.