Renesas R5F100PGDFA#V0

Overview

R5F100PGDFA#V0 from Renesas is a 100-pin LQFP-100, 32-bit RL78/G13 microcontroller with 128 KB flash memory, 8 KB data flash, 12 KB RAM, and industrial-grade operation (−40°C to +85°C). It integrates a 32 MHz RL78 CPU core delivering 41 DMIPS, ultra-low-power modes (0.57 μA in RTC+LVD mode), 10-bit 26-channel ADC, real-time clock, and multiple serial interfaces including UART/LIN, I²C, and CSI for embedded control in metering, industrial HMI, and sensor nodes.

For engineers reviewing the R5F100PGDFA#V0 datasheet, R5F100PGDFA#V0 pinout, R5F100PGDFA#V0 application, or R5F100PGDFA#V0 equivalent, key selection considerations include its 100-pin LQFP package with 26 analog inputs, dual DMA channels, background data flash rewriting capability, and support for LIN bus physical layer compliance in automotive body electronics and smart appliances.

Technical Context

The R5F100PGDFA#V0 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and configurable instruction timing (0.03125 μs at 32 MHz to 30.5 μs at 32.768 kHz). It supports multiple low-power states-HALT, STOP, and SNOOZE-with dedicated on-chip oscillators (32 MHz high-accuracy ±1.0% and 32.768 kHz subsystem clock).

Its peripheral set includes eight 16-bit timers, one 12-bit interval timer, calendar-based RTC with alarm and correction, watchdog timer, and three independent I²C/Simplified I²C channels. The device uses VDD = 1.6–5.5 V, features on-chip POR and 14-level LVD, and enables self-programming of code/data flash with boot swap and flash shield window functions.

Key Specifications

Pinout & Package

Package: 100-pin plastic LQFP (14 × 20 mm, 0.65-mm pitch), RoHS-compliant, moisture sensitivity level 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F100PGDFA#V0, the #X0 variant offers identical performance in tape-and-reel form for production lines, while R5F100PHDFA#V0 provides scalable memory headroom without changing footprint, toolchain, or qualification effort-enabling long-term design reuse.

Availability

R5F100PGDFA#V0 is available at Aetrix Electronics and suitable for smart metering, industrial HMI, and automotive body electronics requiring stable component supply, long-lifecycle support, and industrial-temperature reliability.

Supply support for R5F100PGDFA#V0 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 delivers true low-power embedded control with integrated analog, communication, and security features-designed specifically for cost-sensitive, battery-operated, and industrial-grade applications demanding high reliability and long-term availability.

FAQ

What is the maximum operating frequency and corresponding DMIPS rating of the R5F100PGDFA#V0?

The R5F100PGDFA#V0 operates at up to 32 MHz using its high-speed on-chip oscillator and delivers 41 DMIPS (Dhrystone MIPS) at that frequency. Its minimum instruction execution time is 0.03125 μs under these conditions, confirmed in the RL78/G13 datasheet Rev. 3.80, Section 1.1 Features. This performance level supports real-time control loops and protocol stack processing in the R5F100PGDFA#V0.

Does the R5F100PGDFA#V0 support LIN bus communication, and if so, how is it implemented?

Yes, the R5F100PGDFA#V0 supports LIN bus communication through its UART peripheral with built-in LIN break detection and synchronization capabilities. It complies with LIN 2.2A and SAE J2602 standards when configured with appropriate external transceiver hardware. The R5F100PGDFA#V0's UART includes dedicated LIN-mode registers and timing control, enabling reliable slave-node operation without additional firmware overhead.

What are the memory resources allocated to the flash library during self-programming of the R5F100PGDFA#V0?

During self-programming operations-including data flash rewriting-the R5F100PGDFA#V0 reserves RAM starting at address FAF00H. This 256-byte area is used by the Flash Self-Programming Library for RL78 Family (R20UT2944) and must be excluded from application variable allocation. The R5F100PGDFA#V0's memory map documentation confirms this fixed start address for all variants ending in 'J' (e.g., R5F100xJ), including R5F100PGDFA#V0.

Can the R5F100PGDFA#V0 operate from a single 1.8 V supply, and what peripherals remain functional at that voltage?

Yes, the R5F100PGDFA#V0 supports operation from 1.6 V to 5.5 V, including 1.8 V. At 1.8 V, the RL78 CPU core, 128 KB flash, 8 KB data flash, 12 KB RAM, 10-bit ADC (with internal 1.45 V reference), RTC, and most I/O ports remain fully functional. However, the high-speed on-chip oscillator is limited to ≤8 MHz below 2.7 V, and analog input channels requiring AVREFP/AVREFM may require external reference for full accuracy at 1.8 V.

How many I²C channels does the R5F100PGDFA#V0 support, and are they hardware-accelerated?

The R5F100PGDFA#V0 supports three independent hardware I²C/Simplified I²C channels, each with dedicated registers, clock stretching, arbitration, and ACK/NACK generation. These are fully hardware-accelerated-no bit-banging required-and support standard (100 kbps) and fast (400 kbps) modes. Channel count and functionality are confirmed in the RL78/G13 datasheet Section 1.1 Features and verified for the 100-pin LQFP package in Table 1-1.