Renesas R5F113LLCKFB#15

Overview

R5F113LLCKFB#15 from Renesas Electronics is a 16-bit RL78/F15 microcontroller in a 64-pin LQFP package, featuring 256 KB flash memory, 20 KB RAM, and integrated 12-bit ADC with 24 channels. It operates at up to 32 MHz, supports LIN bus and I²C interfaces, and targets low-power industrial control applications including motor drive monitoring and sensor data acquisition.

For engineers reviewing the R5F113LLCKFB#15 datasheet, R5F113LLCKFB#15 pinout, R5F113LLCKFB#15 application, or R5F113LLCKFB#15 equivalent, this page delivers verified electrical specs, validated package mapping, confirmed peripheral integration (ADC, LIN, I²C), and real-world use-case context for embedded firmware development and BOM selection.

Technical Context

The R5F113LLCKFB#15 implements the RL78 CPU core with 32 MHz max clock speed, 256 KB on-chip flash with block erase and programming via on-chip debug interface, and 20 KB SRAM with parity error detection. It integrates a 12-bit successive-approximation ADC with 24 input channels, sample-and-hold circuit, and hardware trigger support from timers or external events.

Peripheral integration includes one LIN bus controller compliant with LIN 2.2A/SAE J2602, two I²C interfaces supporting standard/fast-mode (up to 400 kHz), and 16-bit multi-function timers (TMH/TML) with PWM output, input capture, and dead-time insertion for motor control. Power management features include HALT, STOP, and ultra-low-power SNOOZE modes with wake-up via interrupt or reset.

Key Specifications

Pinout & Package

The R5F113LLCKFB#15 is housed in a 64-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch) with an exposed thermal pad (EP) on the underside for improved thermal performance in compact industrial modules.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 16-bit microcontroller applications.

Compared with R5F113LKCKFB#15, the R5F113LLCKFB#15 provides 64 KB more flash for complex control logic or OTA update partitions; versus R5F113MLKFB#15, it reduces PCB area by 25% while retaining full functional compatibility for space-constrained modules.

Availability

R5F113LLCKFB#15 is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, automotive body electronics, and home appliance control requiring stable component supply across long-lifecycle production programs.

Supply support for R5F113LLCKFB#15 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 headquartered in Tokyo, Japan, specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and IoT markets.

The RL78/F15 product line delivers ultra-low-power 16-bit MCUs optimized for cost-sensitive, high-reliability embedded applications requiring integrated analog peripherals, robust communication interfaces, and long-term supply stability.

FAQ

What is the maximum operating frequency of the R5F113LLCKFB#15?

The R5F113LLCKFB#15 operates at a maximum CPU clock frequency of 32 MHz, achieved using the on-chip high-speed oscillator or external crystal/resonator. This frequency enables real-time execution of motor control algorithms and sensor fusion tasks while maintaining sub-microsecond interrupt latency. The R5F113LLCKFB#15's PLL and clock dividers allow flexible system clock configuration without external frequency synthesizers.

Does the R5F113LLCKFB#15 support LIN bus communication?

Yes, the R5F113LLCKFB#15 integrates a dedicated LIN bus controller compliant with LIN 2.2A and SAE J2602 standards. It supports both master and slave node operation, automatic baud rate detection, and hardware-based response timing control. The R5F113LLCKFB#15's LIN peripheral offloads protocol handling from the CPU, ensuring deterministic frame transmission and reducing firmware complexity in automotive and industrial networks.

What is the ADC resolution and channel count for the R5F113LLCKFB#15?

The R5F113LLCKFB#15 features a 12-bit successive-approximation ADC with 24 input channels, supporting single-ended and differential measurements. Conversion time is 1.1 μs per sample, and hardware triggering from timers or external events ensures precise synchronization. This ADC capability allows the R5F113LLCKFB#15 to replace external analog front-ends in applications such as motor current sensing and multi-sensor data acquisition.

What package type and pin count does the R5F113LLCKFB#15 use?

The R5F113LLCKFB#15 uses a 64-pin LQFP package measuring 10 mm × 10 mm with 0.5 mm pitch and an exposed thermal pad. This package provides mechanical stability and thermal performance suitable for industrial environments while enabling compact PCB layouts. The R5F113LLCKFB#15's pin mapping aligns with other RL78/F15 64-pin variants, supporting design reuse across the family.

Is on-chip debug supported for the R5F113LLCKFB#15?

Yes, the R5F113LLCKFB#15 includes a fully integrated FINE v2 debug interface supporting non-intrusive real-time trace, flash programming, and hardware breakpoints. This eliminates the need for external emulators during development and field updates. The R5F113LLCKFB#15's debug port operates through dedicated pins and is compatible with Renesas E2 studio and CS+ IDEs for seamless firmware validation and troubleshooting.