Renesas Electronics America Inc R5F101LKAFB#X0

Mfr. Part

R5F101LKAFB#X0

Manufacturer

Renesas Electronics Corporation. Y-IC is a quality distributor for Renesas and we will provide you with the best products, fast service, and reliable support.

Detailed Description

16-bit RL78/G13 microcontroller with 384KB Flash and 24KB RAM in a 64-LQFP 10x10 mm package. Runs up to 32MHz. Offers 48 I/O pins, internal oscillator, 12-channel ADC with 8/10-bit resolution, and rich peripherals including DMA, LVD, POR, PWM, and WDT. Interfaces include CSI, I2C, LINbus, and UART/USART. Operates from 1.6V to 5.5V. Industrial temperature range from -40°C to +85°C. RoHS3 compliant. Surface-mount, Tape & Reel packaging. Base product number R5F101.

Key Features

RL78 16-bit core up to 32MHz

384KB Flash for application code

24KB RAM for data and buffers

48 general-purpose I/O

Peripherals DMA LVD POR PWM WDT

Interfaces CSI I2C LINbus UART USART

12-channel ADC with 8 or 10-bit resolution

Internal oscillator for simpler design

Wide supply voltage 1.6V to 5.5V

Operating temperature -40°C to +85°C

Series RL78/G13

RoHS3 compliant

Key Advantages

Low power with solid performance for battery and energy-sensitive products

Big Flash size supports complex firmware and field updates

Wide voltage range fits both 1.8V and 5V systems without extra regulators

Rich interfaces and peripherals reduce external components and cost

Mature RL78 ecosystem, documentation, and tools speed development

Industrial temperature range improves reliability in harsh environments

Integrated watchdog and low-voltage detection enhance safety

Internal oscillator cuts BOM and speeds startup

64-pin LQFP footprint is compact and easy to route

Packaging

Type Tape & Reel for automated SMT assembly

Package case 64-LQFP LFQFP 10x10 mm body

Material Molded epoxy plastic with lead-free gull-wing leads RoHS3 compliant

Pin count and pitch 64 pins with typical LQFP pitch around 0.5 mm

Pin configuration Up to 48 user I/O plus power ground reset oscillator and interface pins

Thermal characteristics Industrial range -40°C to +85°C low-power dissipation under typical loads

Electrical properties Supply 1.6V to 5.5V max clock 32MHz internal oscillator 12-channel ADC 8/10-bit DMA and standard serial interfaces

Lifecycle

Status Active and widely used not nearing discontinuation based on current public information

Close equivalents and alternatives

- Same family RL78/G13 64-LQFP options for different Flash sizes

- R5F101LEAFB#X0 256KB Flash similar package for smaller memory needs

- R5F101LGAFB#X0 512KB Flash similar package for larger applications

- R5F101LF variants 384KB with different options temperature grades or features

- RL78/G14 family for added timer and peripheral features while staying on RL78

- Example R5F104LEAFB#X0 64-LQFP comparable interfaces with enhanced features

- Cross-family alternatives depending on toolchain and architecture preference

- Microchip PIC24FJ series 16-bit with similar Flash and peripherals

- TI MSP430FR series ultra-low-power 16-bit with FRAM

- NXP KE series or other 32-bit MCUs if moving to ARM-based solutions

If you need exact pin-compatible or drop-in replacements or the latest lifecycle confirmation please contact our sales team via the Y-IC website for verified guidance.

Key Application Areas

Home appliances and white goods controllers

Industrial control and sensor nodes

Automotive body electronics and LIN communication nodes

Battery-powered devices and portable instruments

Building automation and HVAC controls

Metering data logging and environmental monitoring

General embedded control and motor control with PWM

Datasheet

Y-IC hosts the most authoritative datasheet and technical files for this model. We recommend downloading the datasheet directly from this page on our website for full specifications pinouts and design guidance.

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