Renesas Electronics America Inc R5F101LDDFB#X0

Mfr. Part

R5F101LDDFB#X0

Manufacturer

Renesas Electronics Corporation — Y-IC is a quality distributor of Renesas. We deliver genuine products, fast service, and expert support to ensure you get the best performance and value.

Detailed Description

16-bit RL78/G13 microcontroller with 48KB on-chip Flash, 3KB RAM, 48 I/O pins, and integrated peripherals. Runs up to 32MHz. Operates from 1.6V to 5.5V. Packaged in a 64-LQFP (10x10 mm) for surface-mount designs. Ideal for low-power, cost-effective embedded control with built-in analog and serial interfaces.

Key Features

Core: RL78 16-bit CPU, up to 32MHz

Program memory: 48KB Flash (48K x 8)

RAM: 3KB (3K x 8)

I/O: 48 pins

ADC: 12-channel, 8/10-bit selectable

Peripherals: DMA, LVD (low-voltage detect), POR (power-on reset), PWM, WDT (watchdog)

Interfaces: CSI (clocked serial), I2C as listed (IC), LIN bus, UART/USART

Oscillator: Internal clock source

Supply voltage: 1.6V to 5.5V wide range

Temperature range: -40°C to +85°C (TA)

Series: RL78/G13

Compliance: RoHS3 Compliant

Mounting: Surface Mount

Package: 64-LQFP (Supplier Device Package: 64-LFQFP 10x10)

Base product number: R5F101

Key Advantages

Low power and wide supply range for battery-powered and efficient designs

Rich peripherals and mixed-signal capability reduce external components

Mature RL78 ecosystem, tools, and community support speed development

Broad serial connectivity (LIN, UART/USART, I2C, CSI) for easy communication

Stable operation from -40°C to +85°C, suitable for industrial and automotive environments

Compact 64-LQFP package simplifies high-density PCB layouts

Proven reliability and long-term availability from Renesas

Packaging

Shipment type: Tape & Reel (TR) for automated SMT assembly

Device package: 64-LQFP (Low-Profile Quad Flat Package), 10x10 mm body

Material: Molded plastic epoxy body with copper leadframe; RoHS3 lead-free plating

Mounting: Surface mount, low-profile for compact boards

Pin configuration: 64 pins total; mix of GPIO, analog inputs, communication lines (CSI/I2C/LIN/UART), power (VDD) and ground (VSS), clock/reset pins; refer to datasheet for exact pinout

Thermal characteristics: Designed for -40°C to +85°C ambient; no exposed thermal pad; heat dissipates through leads and PCB; follow datasheet power dissipation and derating guidelines

Electrical properties (device-level): 1.6V–5.5V supply, 32MHz max system clock, 12ch 8/10-bit ADC, internal oscillator, integrated LVD/WDT; ESD/EMC limits per datasheet

Lifecycle

Status: Active and widely used in RL78/G13 designs as of the latest update; not near discontinuation

Cross-reference and alternatives: Multiple RL78/G13 family variants exist with different Flash sizes, pin counts, and packages; pin-compatible choices depend on memory size and package options

Need exact equivalents or drop-in replacements: Contact our sales team via the Y-IC website for a tailored cross-reference list and the best-fit alternatives based on your pinout, memory, and feature requirements

Key Application Areas

Automotive body and LIN nodes (window, lock, mirror, seat control)

Industrial sensors, small controllers, and human-machine interfaces

Home appliances and consumer electronics control boards

Battery-operated devices and portable instruments

Motor control, LED lighting control, and power management

IoT edge nodes, data loggers, and communication gateways

Security panels, access control, and building automation

Datasheet

Y-IC hosts the most authoritative datasheet for R5F101LDDFB#X0. We recommend downloading it directly from this page on our website to ensure you have the latest specifications, pinouts, and design guidelines.

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