Renesas R5F11BBEGFP#30

Overview

R5F11BBEGFP#30 from Renesas Electronics is a 32-pin LFQFP (7 × 7 mm, 0.8 mm pitch), 64 KB Flash, 5.5 KB RAM RL78/G1F microcontroller operating at up to 32 MHz with true low-power operation (66 μA/MHz active, 0.57 μA RTC+LVD). It integrates 17-channel 10-bit ADC, dual 8-bit DACs, two comparators, PGA, and multiple serial interfaces (UART/LIN, I²C, CSI) for embedded control in industrial sensor nodes and power-constrained HMI systems.

For engineers reviewing the R5F11BBEGFP#30 datasheet, R5F11BBEGFP#30 pinout, R5F11BBEGFP#30 application, or R5F11BBEGFP#30 equivalent, key selection criteria include its industrial-grade −40°C to +105°C operation, dual DAC outputs with real-time update, hardware event linking (ELC) for deterministic peripheral coordination, and on-chip debug support with flash shield window security.

Technical Context

The R5F11BBEGFP#30 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and selectable instruction timing (0.03125 μs @ 32 MHz to 30.5 μs @ 32.768 kHz). Its power management includes HALT, STOP, and SNOOZE modes, plus an on-chip voltage detector with 14-level LVD interrupt/reset selection.

Peripheral integration centers on deterministic signal routing: the Event Link Controller (ELC) supports 22 event sources linked to specified peripherals, while the Data Transfer Controller (DTC) enables background data flash rewrites (1M cycles) during program execution via BGO mode - both critical for firmware-over-the-air and real-time sensor logging applications.

Key Specifications

Pinout & Package

Package: 32-pin plastic LQFP (7 × 7 mm, 0.8 mm pitch), lead-free, RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F11BBEGFP#30, the R5F11BBEAFP#30 trades industrial temperature and LVD precision for lower cost in non-critical environments, while the R5F11BLEGFP#30 provides scalable I/O and peripheral headroom at the expense of board space and layout complexity.

Availability

R5F11BBEGFP#30 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart thermostat HMIs, programmable logic controller I/O modules, and medical infusion pump controllers requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for R5F11BBEGFP#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 Corporation is a global semiconductor leader delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT applications.

The RL78/G1F product line delivers ultra-low-power, high-integration MCUs optimized for cost-sensitive industrial control, sensor fusion, and human-machine interface applications requiring robust analog peripherals and deterministic real-time performance.

FAQ

What is the maximum operating frequency and voltage range for the R5F11BBEGFP#30?

The R5F11BBEGFP#30 operates at up to 32 MHz using its high-speed on-chip oscillator (±1.0% accuracy) and supports a wide supply voltage range of 1.6 V to 5.5 V. This enables direct compatibility with single-cell Li-ion, 3.3 V, and 5 V systems without external level-shifting or regulation - a key advantage for portable and industrial equipment where power architecture flexibility is critical. The R5F11BBEGFP#30 maintains full functionality across this range, including ADC accuracy and timer resolution.

Does the R5F11BBEGFP#30 support hardware-based real-time debugging and secure firmware updates?

Yes, the R5F11BBEGFP#30 includes an on-chip debug function compliant with IEEE 1149.1 (JTAG) and Renesas E1/E20 emulators, enabling non-intrusive breakpoints and memory inspection. For secure firmware updates, it supports self-programming with boot swap functionality and flash shield window protection - preventing unauthorized readout or modification of critical bootloader sections. These features are fully implemented in the R5F11BBEGFP#30 silicon and documented in the RL78/G1F User's Manual.

How many analog-to-digital converter channels does the R5F11BBEGFP#30 provide, and what is their resolution?

The R5F11BBEGFP#30 integrates a single 8/10-bit successive-approximation ADC with up to 17 analog input channels (ANI0–ANI7, ANI16–ANI24), configurable across multiple ports. Resolution is selectable per conversion, supporting both 8-bit (fast acquisition) and 10-bit (high-precision) modes. Internal reference (1.45 V) and temperature sensor are included, and the ADC operates across the full 1.6–5.5 V supply range - ensuring consistent performance in battery-voltage-varying applications. This capability is confirmed in the R5F11BBEGFP#30 datasheet Section 1.1 and electrical specifications.

What serial communication interfaces are integrated into the R5F11BBEGFP#30?

The R5F11BBEGFP#30 integrates three UART/LIN channels (with LIN 2.2A compliance), three to six simplified I²C channels, three to six CSI (SPI-compatible) channels, and one IrDA transceiver. All interfaces support peripheral I/O redirection via PIOR registers, allowing dynamic assignment of functions like SDA/SCL or MOSI/MISO to multiple pins. This flexibility is validated in the R5F11BBEGFP#30 pin configuration diagrams and functional outline tables - enabling robust communication stack implementation without fixed pin constraints.

Is the R5F11BBEGFP#30 qualified for industrial temperature operation, and what safety features does it include?

Yes, the R5F11BBEGFP#30 is explicitly qualified for industrial operation from −40°C to +105°C (G-grade), with voltage detector (LVD) thresholds calibrated across that full range (8-stage falling/rising edge detection). Safety features include on-chip power-on-reset (POR), dedicated low-speed watchdog timer, RAM parity error detection, illegal instruction trap, and illegal memory access protection - all hardware-enforced mechanisms documented in the R5F11BBEGFP#30 datasheet Sections 1.1 and 1.4. These ensure deterministic fail-safe behavior in harsh environments.