Renesas Electronics America Inc R5F101LJAFA#30

Mfr. Part

R5F101LJAFA#30

Manufacturer

Renesas Electronics Corporation

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Detailed Description

16-bit RL78 microcontroller from the RL78/G13 series with 256KB flash and 20KB RAM in a 64-LQFP 12x12 mm package

Operates at up to 32 MHz with wide supply voltage 1.6 to 5.5 V and industrial temperature range -40 to +85 °C

48 programmable I/O pins, integrated 12-channel 8 or 10-bit ADC, internal oscillator, and rich on-chip peripherals

RoHS3 compliant and suitable for surface mount assembly

Base product number R5F101

Key Features

RL78 16-bit core for low power and high efficiency

Program memory 256KB FLASH for larger applications

RAM 20KB for responsive data handling

Up to 32 MHz operation with internal oscillator

48 I/O pins for flexible board design

Peripherals DMA LVD POR PWM WDT for control and protection

Connectivity CSI LINbus UART USART and IC listed as I2C

ADC 12 channels selectable 8 or 10-bit resolution

Supply voltage range 1.6 to 5.5 V for 3.3 V and 5 V systems

Operating temperature -40 to +85 °C for industrial environments

Series RL78/G13 with broad ecosystem and tool support

Surface mount 64-LQFP for compact PCB layouts

RoHS3 compliant for environmental standards

Key Advantages

Ultra low power RL78 architecture extends battery life and reduces heat

Wide voltage range works in both low voltage and legacy 5 V designs

Rich peripherals reduce external components and simplify the BOM

Strong reliability features LVD POR WDT help prevent system faults

Mature Renesas platform with stable long-term supply and proven tools

Large flash enables complex firmware and field updates

Industrial temperature range suitable for harsh environments

Multiple serial interfaces simplify connection to sensors modules and buses including LIN

Packaging

Package type 64-LQFP Quad Flat Package for surface mount

Body size 12 x 12 mm compact footprint

Pin configuration 64 leads arranged on four sides typical 0.5 mm pitch layout

Material lead-free plastic epoxy molding with copper leadframe and matte tin plating compliant with RoHS3

Supplier device package 64-LQFP 12x12

Mounting method reflow soldering on standard FR-4 PCBs

Thermal characteristics heat dissipated through leads and PCB copper pour use thermal vias and solid ground planes to improve cooling plan for ambient -40 to +85 °C

Electrical properties core supply 1.6 to 5.5 V supports 32 MHz operation ADC 12 channels with 8 or 10-bit modes internal oscillator for simple clocking

Shipping package Tray for secure handling and assembly

Current available quantity 50 units at Y-IC subject to change

Lifecycle

Current status active within the RL78/G13 family not near discontinuation based on typical Renesas production for RL78

Exact drop-in equivalents depend on pinout memory size and suffix options within RL78/G13 64-pin LQFP family

Close alternatives in the same ecosystem include RL78/G13 variants with different flash sizes and temperature grades and RL78/G14 for more performance and peripherals RL78/G1x subfamilies for specialized features such as USB or enhanced communication

Because compatibility is application specific and suffix options vary contact Y-IC sales through our website for a curated list of pin-compatible or functionally equivalent models and guidance on firmware migration

Key Application Areas

Industrial controllers and sensors low power and robust serial interfaces

Consumer appliances and white goods reliable control with PWM and ADC

Automotive body electronics and LIN node controllers non safety critical

Smart metering and data loggers precise ADC and low energy operation

Building automation HVAC lighting and access control

Motor and actuator control leveraging PWM and watchdog protection

Embedded gateways and interface bridges using UART USART CSI

Datasheet

Our website hosts the most authoritative datasheet for this product model download it on the current page for complete specifications pinouts and design guidelines

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