Renesas Electronics America Inc R5F101LFAFB#X0

Mfr. Part

R5F101LFAFB#X0

Manufacturer

Renesas Electronics Corporation

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Detailed Description

16-bit RL78/G13 microcontroller in 64-LQFP (10x10 mm). 96KB Flash and 8KB RAM. Up to 32MHz operation. 48 I/O pins. Internal oscillator. Peripherals include DMA, LVD, POR, PWM, WDT. Interfaces include CSI, I2C, LIN, UART/USART. ADC with 12 channels, selectable 8/10-bit resolution. Supply voltage 1.6–5.5V. Operating temperature -40 to +85°C. RoHS3 compliant. Surface-mount. Supplier device package: 64-LFQFP (10x10). Shipped in Tape & Reel. Base product number: R5F101. Available quantity: 2667 units.

Key Features

RL78 16-bit CPU, up to 32MHz

96KB on-chip Flash

8KB RAM

48 general-purpose I/O pins

Serial interfaces: CSI, I2C, LIN, UART/USART

12-channel ADC with 8/10-bit selectable resolution

Timers, PWM, watchdog, DMA, low-voltage detection, power-on reset

Internal oscillator for simpler clock design

Wide supply range: 1.6–5.5V

-40 to +85°C operating temperature

Low-power architecture for battery-friendly designs

64-LQFP (10x10 mm) package, RoHS3 compliant

Key Advantages

Low power consumption helps extend battery life and reduce heat

Wide voltage range simplifies power supply design

Rich on-chip peripherals cut external components and cost

LIN support fits automotive and appliance networks

Mature RL78 ecosystem, tools, and sample code speed development

Easy scalability across the RL78/G13 family for future upgrades

Renesas reliability and long-term supply typical for mainstream MCUs

Packaging

Type: Tape & Reel for automated SMT assembly

Package: 64-LQFP (LFQFP), 10x10 mm body size

Pin details: 64 pins, typical LQFP pitch 0.5 mm (check datasheet for exact pitch and pinout)

Materials: Epoxy molding compound with copper leadframe; lead-free finish (RoHS3)

Mounting: Surface-mount

Thermal characteristics: Designed for -40 to +85°C ambient; follow board layout and thermal guidelines; see datasheet for thermal resistance and derating

Electrical properties: 1.6–5.5V supply, up to 32MHz core, internal oscillator, 12-channel ADC 8/10-bit, CSI/I2C/LIN/UART interfaces

Lifecycle

Status: Active production in the RL78/G13 family as of the latest available information

Not considered near discontinuation based on current family status

Equivalent or alternative models (verify pin and software compatibility in datasheets before use):

- Renesas RL78/G13, 64-LQFP, similar feature set: R5F101LA series (similar memory options in the same package)

- Renesas RL78/G13 with higher Flash: R5F101MF series (around 128KB Flash)

- Renesas RL78/G14 family for enhanced timers and performance, 64-LQFP options

- Cross-vendor functional alternatives (not drop-in): TI MSP430FR series, Microchip PIC24F series, NXP S12Z, Infineon XC2000

If you need exact drop-in replacements or a detailed cross-reference, please contact our sales team via the Y-IC website for tailored recommendations

Key Application Areas

Automotive LIN nodes (door modules, seat controls, window lifts)

Industrial control, motor and fan control, HVAC

Home appliances and white goods

Smart metering and energy management

Sensor hubs and data loggers

Battery-powered devices and handheld instruments

LED lighting controllers and dimmers

Building automation, access control, security panels

IoT edge devices and remote controllers

Datasheet

Our website provides the most authoritative datasheet for R5F101LFAFB#X0. Download it from this page to get exact pinouts, electrical limits, timing, and layout guidelines.

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