Renesas R5F100FHAFP#50

Overview

R5F100FHAFP#50 from Renesas is a 44-pin LQFP-44, 16-bit RL78/G13 microcontroller with 96 KB flash, 8 KB data flash, and 8 KB RAM, operating from 1.6 V to 5.5 V across –40°C to +85°C industrial temperature range. It delivers 41 DMIPS at 32 MHz, features ultra-low power consumption (66 μA/MHz active, 0.57 μA RTC+LVD), and integrates 12-bit RTC, 10-bit ADC (16 channels), UART/LIN, I²C, CSI, and DMA for embedded control in battery-powered and industrial sensing applications.

For engineers reviewing the R5F100FHAFP#50 datasheet, R5F100FHAFP#50 pinout, R5F100FHAFP#50 application, or R5F100FHAFP#50 equivalent, key selection criteria include its 44-pin LQFP package with 16-channel analog input capability, integrated LIN physical layer support, background data flash rewriting (BGO), and HALT/STOP/SNOOZE low-power modes - all critical for cost-sensitive, energy-constrained MCU designs requiring real-time clocking and mixed-signal interfacing.

Technical Context

The R5F100FHAFP#50 implements the RL78 CPU core with 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz subsystem clock). Its memory subsystem includes 96 KB on-chip code flash (1 KB block size), 8 KB data flash with 1M-cycle endurance, and 8 KB RAM - all accessible via unified 1 MB address space.

Peripherals are tightly coupled to low-power operation: the 12-bit interval timer and calendar RTC operate independently in STOP mode; the 10-bit ADC supports internal 1.45 V reference and temperature sensor; and serial interfaces (2× UART/LIN, 3× I²C, up to 8× CSI) enable robust communication without external transceivers in automotive body electronics and industrial HMI.

Key Specifications

Pinout & Package

Package: 44-pin LQFP (10 × 10 mm, 0.8-mm pitch), RoHS-compliant, plastic body with exposed thermal pad (PLQP0044GC-A).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with R5F100FHAFP#50, R5F100GHAFP#50 offers scalable code density for evolving firmware, while R5F101FHAFP#50 reduces BOM cost by removing data flash - enabling tiered product variants from a single PCB design.

Availability

R5F100FHAFP#50 is available at Aetrix Electronics and suitable for smart metering, industrial HMI, automotive body electronics, and wireless sensor gateways requiring stable component supply, long-term lifecycle assurance, and industrial-grade reliability.

Supply support for R5F100FHAFP#50 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Renesas Electronics is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.

The RL78/G13 family is designed for cost-sensitive, ultra-low-power embedded control applications - delivering optimized performance-per-milliwatt in compact packages for metering, sensing, and human-machine interface systems.

FAQ

What is the maximum operating frequency and corresponding performance of the R5F100FHAFP#50?

The R5F100FHAFP#50 operates at up to 32 MHz using its high-speed on-chip oscillator, delivering 41 DMIPS of processing performance. Its minimum instruction execution time is 0.03125 μs under this condition, and it supports dynamic clock scaling down to 32.768 kHz for ultra-low-power RTC operation - enabling flexible trade-offs between throughput and energy efficiency in the R5F100FHAFP#50.

Does the R5F100FHAFP#50 support LIN communication, and what hardware resources are required?

Yes, the R5F100FHAFP#50 supports LIN 2.2 communication natively through its UART peripheral, which includes automatic LIN header detection and checksum generation. No external transceiver is needed for basic LIN node implementation, as the R5F100FHAFP#50's I/O pins meet LIN bus voltage requirements when paired with appropriate passive components - simplifying design for automotive body control applications.

How much data flash does the R5F100FHAFP#50 include, and what are its endurance and voltage specifications?

The R5F100FHAFP#50 includes 8 KB of on-chip data flash memory rated for 1,000,000 write/erase cycles (typical), with operation supported across the full VDD range of 1.8 V to 5.5 V. It supports background operation (BGO), allowing program execution from code flash while rewriting data flash - a key capability implemented in the R5F100FHAFP#50 for reliable firmware parameter storage.

What low-power modes are available on the R5F100FHAFP#50, and what is the lowest achievable current draw?

The R5F100FHAFP#50 supports HALT, STOP, and SNOOZE modes. In STOP mode with only RTC and LVD active, it achieves 0.57 μA typical current draw at 25°C. This ultra-low quiescent current enables decade-long operation on coin-cell batteries in metering and sensor applications - a defining characteristic of the R5F100FHAFP#50's power architecture.

Is the R5F100FHAFP#50 pin-compatible with other RL78/G13 devices in the same package?

Yes, the R5F100FHAFP#50 is fully pin-compatible with all 44-pin LQFP RL78/G13 variants (e.g., R5F100GHAFP#50, R5F101FHAFP#50), sharing identical pin functions, electrical characteristics, and thermal pad layout. This enables direct substitution within the same footprint for memory or feature scaling - a verified compatibility confirmed across Renesas' RL78/G13 documentation for the R5F100FHAFP#50.