Renesas R5F11BLCAFB#10

Overview

R5F11BLCAFB#10 from Renesas Electronics is a 64-pin LFQFP, 32/64 KB Flash, 5.5 KB RAM RL78/G1F microcontroller with 17-channel 8/10-bit ADC, dual 8-bit DAC, two comparators, and programmable gain amplifier. It operates from 1.6 V to 5.5 V, achieves 66 μA/MHz active current, and supports real-time clock, LIN-capable UART, and event-link controller for industrial sensor control and low-power HMI applications.

For engineers reviewing the R5F11BLCAFB#10 datasheet, R5F11BLCAFB#10 pinout, R5F11BLCAFB#10 application, or R5F11BLCAFB#10 equivalent, this page delivers verified specifications, validated package mapping (LFQFP-64, 0.5 mm pitch), confirmed peripheral count (9×16-bit timers, 2×UART, 2×I²C, 2×CSI), and real-world use context for embedded control design, BOM validation, and power-sensitive firmware development.

Technical Context

The R5F11BLCAFB#10 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and selectable instruction execution time (0.03125 μs @ 32 MHz to 30.5 μs @ 32.768 kHz). It integrates a high-speed on-chip oscillator (±1.0% accuracy, 1–32 MHz), low-speed oscillator (15 kHz), and voltage detector with 14-level LVD interrupt/reset selection.

Its analog subsystem includes an 8/10-bit ADC with internal 1.45 V reference and temperature sensor, dual 8-bit DACs with real-time output, two comparators with external/internal reference selection, and a single PGA channel. The DTC supports 33 activation sources and chain transfer, while the ELC links 22 event signals to peripherals without CPU intervention.

Key Specifications

Pinout & Package

Package: LFQFP-64, 10 × 10 mm body, 0.5 mm pitch, exposed die pad connected to VSS per datasheet recommendation.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F11BLEAFB#10, the R5F11BLCAFB#10 offers identical performance and features at lower Flash density-reducing cost and power in resource-constrained applications. Against R5F11BGCAFB#10, it delivers 14 additional I/O pins and full 64-pin routing flexibility for complex HMI or multi-sensor systems.

Availability

R5F11BLCAFB#10 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart energy meters, automotive body control modules, and home appliance HMIs requiring stable component supply across long production lifecycles.

Supply support for R5F11BLCAFB#10 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 industrial, automotive, and IoT markets.

The RL78/G1F product line targets ultra-low-power general-purpose embedded control, emphasizing analog integration, robust real-time performance, and simplified development for cost-sensitive industrial and consumer applications.

FAQ

What is the maximum operating frequency and corresponding supply voltage range for the R5F11BLCAFB#10?

The R5F11BLCAFB#10 supports maximum CPU operation at 32 MHz using its high-speed on-chip oscillator (fIH), with guaranteed operation from 1.6 V to 5.5 V. At 32 MHz, the minimum supply voltage is 2.7 V per electrical specifications; below that, max frequency scales down (e.g., 16 MHz at 2.4 V, 8 MHz at 1.8 V). This ensures reliable high-speed execution across wide input voltage ranges in battery-backed or unregulated systems.

Does the R5F11BLCAFB#10 support LIN bus communication, and which UART channel implements it?

Yes, the R5F11BLCAFB#10 supports LIN bus communication via UART0 (channel 0), which includes dedicated LINSEL pin functionality for automatic sync field detection and break signal generation. UART0 is mapped to P50 (RxD0) and P51 (TxD0) pins and operates at standard LIN baud rates (e.g., 19.2 kbps) with hardware-assisted frame formatting - enabling direct integration into automotive body control networks without external transceivers.

How many analog input channels does the R5F11BLCAFB#10 support, and what is the reference voltage configuration?

The R5F11BLCAFB#10 supports 17 analog input channels (ANI0–ANI7, ANI16–ANI24) with 8/10-bit resolution. Reference voltage is selectable between external AVREFP/AVREFM pins or internal 1.45 V bandgap reference. The internal reference is factory-trimmed and stable over temperature, enabling accurate ratiometric measurements without external components - ideal for portable sensor systems where board space and BOM count matter.

What debug and programming interfaces are available on the R5F11BLCAFB#10, and are they accessible in production?

The R5F11BLCAFB#10 includes an on-chip debug interface accessible via TOOL0, TOOLRxD, and TOOLTxD pins (P40, P50, P51), supporting full emulation and flash programming. However, Renesas explicitly cautions against using this interface in mass-produced units due to finite flash rewrite endurance. For production, firmware updates should use the self-programming function via UART or other user-defined interfaces - preserving reliability while maintaining field-upgrade capability.

Can the R5F11BLCAFB#10 operate from a single 3.3 V supply, and what are the implications for analog accuracy?

Yes, the R5F11BLCAFB#10 operates fully within specification at 3.3 V (within 1.6–5.5 V range). At this voltage, the 8/10-bit ADC maintains full resolution and linearity, and the internal 1.45 V reference remains stable (±1.5% over temperature). Using VDD as the ADC reference yields 3.3 V full-scale, while selecting the internal reference provides fixed 1.45 V scaling - both valid configurations depending on whether ratiometric (sensor supply = VDD) or absolute (fixed reference) measurement is required.