Renesas Electronics America Inc R5F10WLFGFB#10

Mfr. Part

R5F10WLFGFB#10

Manufacturer

Renesas Electronics Corporation

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Detailed Description

16-bit RL78/L13 microcontroller for low-power embedded systems

96KB on-chip Flash, 6KB RAM, 4KB EEPROM

64-pin LFQFP (10 x 10 mm) surface-mount package

Operating temperature range -40°C to 105°C (TA)

Up to 24 MHz operation using an internal oscillator

Integrated peripherals: DMA, LCD segment driver, LVD, POR, PWM, WDT

Serial interfaces: CSI (SPI-like), I2C, LIN bus, UART/USART

ADC: 9 channels, 8/10-bit resolution

Wide supply voltage: 1.6V to 5.5V

RoHS3 compliant

Key Features

RL78 core with 16-bit processing for efficient code execution and low power

96KB Flash for application code and 4KB EEPROM for robust data storage

6KB RAM for responsive real-time tasks

Integrated LCD driver to directly drive segmented displays without external ICs

DMA controller reduces CPU load during data transfers

Watchdog Timer, Power-On Reset, and Low-Voltage Detect for system reliability

Flexible serial connectivity: UART/USART for asynchronous comms, I2C for sensor/EEPROM, CSI for SPI devices, LIN for automotive body networks

9-channel ADC with 8/10-bit modes for sensor inputs

Internal oscillator simplifies design and cuts BOM cost

64-pin LFQFP package with 42 general-purpose I/O lines

Wide operating voltage supports both battery and 5V systems

Industrial-temperature range for harsh environments

Key Advantages

Low-power architecture extends battery life in portable and mains-powered products

On-chip LCD driver reduces components, board space, and cost for display-based UIs

Broad voltage range simplifies power supply design across different platforms

Rich peripheral set covers control, sensing, communication, and safety

Internal oscillator and POR/LVD enable fast startup and robust operation

LIN support fits automotive body and comfort applications

Mature RL78 ecosystem with reliable tools and libraries reduces development time

RoHS3 compliance aligns with modern environmental standards

Packaging

Type: 64-LFQFP (also referred to as 64-LQFP), low-profile fine-pitch quad flat package

Body size: 10 mm x 10 mm nominal (compact footprint)

Pin count and configuration: 64 leads with fine pitch, 42 GPIO available; interface pins for UART, I2C, LIN, CSI, ADC inputs, power and ground

Material: Epoxy mold compound and copper leadframe typical of LFQFP

Mounting: Surface mount, suitable for standard SMT processes

Thermal characteristics: -40°C to 105°C ambient rating; thermal performance depends on PCB layout and airflow; consult the datasheet for detailed thermal limits and derating

Electrical properties: 1.6V to 5.5V supply, up to 24 MHz internal oscillator, ADC 9x 8/10-bit, integrated LCD driver, DMA, PWM, WDT, LVD, POR

Moisture sensitivity and handling: Follow Renesas MSL guidance; use dry packing and controlled reflow per datasheet

Supplier device package: 64-LFQFP (10 x 10)

Factory packing: Tray for secure shipment and automated handling

Lifecycle

Status: Active family in Renesas’ RL78 portfolio based on current industry information, not near discontinuation

Alternatives within RL78/L13: Same series offers different memory sizes and package options for cost and footprint optimization; for exact pin-to-pin and feature match, request a cross reference

Close relatives for similar use cases:

- RL78/L12 series (LCD driver, low power) for display-centric designs

- RL78/G13 series (general-purpose RL78) for broader peripherals; check LCD availability and pinout

- RA2L1 series (Arm Cortex-M23 with LCD) if you are migrating to Arm while keeping LCD capabilities

Exact drop-in equivalents depend on pinout, LCD segment count, memory size, and options encoded in the suffix. Contact Y-IC via our website for a precise cross-reference and migration guidance

Key Application Areas

Home appliances and white goods with segment LCD panels (washers, microwaves, HVAC thermostats)

Smart meters, energy monitoring, and industrial panel meters

Medical and wellness devices with simple displays

Building automation and security panels

Automotive body electronics using LIN (switch panels, seat modules, climate control interfaces)

Battery-powered instruments and portable data loggers

General embedded control systems needing low power and integrated display driving

Datasheet

The most authoritative and up-to-date datasheet for R5F10WLFGFB#10 is available on our website. Download it from this page to get full specifications, pinouts, timing, electrical characteristics, and design guidelines.

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