Renesas Electronics America Inc R5F100JFDFA#X0

Mfr. Part

R5F100JFDFA#X0

Manufacturer

Renesas Electronics Corporation

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Detailed Description

16-bit RL78/G13 microcontroller with 96 KB Flash, 8 KB RAM, and 8 KB data flash (EEPROM-like). Runs up to 32 MHz. Wide supply range 1.6–5.5 V for battery and mains-powered designs. 52-LQFP package (10 x 10 mm) with 38 GPIO. Built-in peripherals include DMA, LVD, POR, PWM, WDT, and a 12-channel ADC supporting 8/10-bit conversion. Communications interfaces: UART/USART, I2C, LINbus, and CSI/SPI. Internal oscillator available. Industrial temperature range −40°C to +85°C. RoHS3 compliant. Supplied in Tape & Reel for automated assembly. Base product number: R5F100. Category: Integrated Circuits (ICs), Embedded Microcontrollers. Current stock available: 2553 units.

Key Features

RL78 16-bit CPU core, up to 32 MHz

96 KB Flash program memory

8 KB RAM

8 KB data flash (acts like EEPROM)

1.6 V to 5.5 V operating supply

52-LQFP (10 x 10 mm), 38 GPIO

Internal oscillator; supports external clock/crystal

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

DMA, LVD, POR, PWM, WDT on-chip

Interfaces: UART/USART, I2C, LINbus, CSI/SPI

−40°C to +85°C ambient operating range

RoHS3 compliant

Tape & Reel packaging for SMT lines

Key Advantages

Low-power RL78 architecture reduces heat and extends battery life

Wide voltage range simplifies power design across many applications

Rich peripheral set lowers BOM and speeds development

Mature RL78/G13 ecosystem with tools, libraries, and community support

Stable industrial temperature operation for reliable field performance

Compact 52-LQFP with ample GPIO for mid-density designs

Flexible serial interfaces for easy integration with sensors and modules

Packaging

Type: 52-LQFP (Low-Profile Quad Flat Package)

Material: Molded epoxy encapsulation, copper leadframe, matte tin-plated leads

Body size: 10 mm x 10 mm nominal

Lead count and pitch: 52 leads, typical 0.8 mm pitch (see datasheet for exact)

Pin configuration: 38 GPIO; dedicated pins for power (VDD/VSS), reset, clock, ADC inputs, UART/USART, I2C, LIN, CSI/SPI (refer to datasheet pinout)

Mounting: Surface Mount Technology (SMT)

Thermal characteristics: Designed for low-power operation; ambient −40°C to +85°C; junction temperature limits per datasheet; thermal resistance depends on PCB and airflow (see datasheet)

Electrical properties: 1.6–5.5 V supply, TTL/CMOS I/O levels, internal oscillator available; detailed current consumption and I/O specs in datasheet

Shipment: Tape & Reel (TR) for automated pick-and-place

Supplier device package: 52-LQFP (10 x 10)

Lifecycle

Status: Active and widely used in production

Not nearing discontinuation based on current series status

Exact pin-to-pin equivalents depend on the ordering code options (#X0). For precise cross-references and drop-in replacements, please contact our sales team via the Y-IC website for a tailored list.

Potential alternatives to consider (verify pinouts and features in the datasheet):

- Other RL78/G13 devices in 52-LQFP with different Flash sizes (e.g., 64 KB, 80 KB, 128 KB)

- RL78/G14 family for similar architecture with enhanced timers and peripherals

- Renesas RA2 series (e.g., RA2E1, RA2L1) for a 32-bit upgrade in low-power applications (not pin-compatible)

If you need an exact equivalent, reach out to our sales team and we will match a compatible part for your design.

Key Application Areas

Industrial controllers and small PLCs

Home appliances and white goods

Sensor hubs and data loggers

Battery-powered devices and handheld instruments

Automotive LIN nodes and body electronics (non-safety critical)

HVAC, thermostats, and building automation

Motor control for small DC/BLDC systems

HMI panels, keypads, and simple UI controllers

Communication gateways and bridge modules

Datasheet

Y-IC provides the most authoritative datasheet for R5F100JFDFA#X0 on our product page. We recommend downloading it now to get complete electrical, timing, pinout, and thermal details.

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