Renesas R5F104PGAFB#V0

Overview

R5F104PGAFB#V0 from Renesas is a 100-pin LFQFP, 0.5 mm pitch, industrial-grade (G) 16-bit RL78/G14 microcontroller with 96 KB flash, 12 KB RAM, and 8 KB data flash. It delivers 44 DMIPS at 32 MHz, operates from 1.6–5.5 V, achieves 66 μA/MHz active current and 0.60 μA RTC+LVD standby, and targets battery-powered industrial sensor nodes and low-power HMI control.

For engineers reviewing the R5F104PGAFB#V0 datasheet, R5F104PGAFB#V0 pinout, R5F104PGAFB#V0 application, or R5F104PGAFB#V0 equivalent, key selection criteria include its 100-pin LFQFP-0.5 mm package, -40°C to +105°C industrial temperature rating, integrated RTC with calendar/alarm, dual 10-bit ADC (20-channel), and hardware event link controller (ELC) for deterministic peripheral triggering.

Technical Context

The R5F104PGAFB#V0 implements the RL78 CPU core with 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 μs (32 MHz) to 30.5 μs (32.768 kHz). It integrates a Data Transfer Controller (DTC) for autonomous memory transfers triggered by 19–26 event sources linked via the Event Link Controller (ELC).

Its mixed-signal subsystem includes an 8/10-bit SAR ADC with internal 1.45 V reference and temperature sensor, dual 8-bit DACs with real-time output, two comparators with window/high-speed/low-speed modes, and a 12-bit interval timer plus calendar-capable RTC with clock correction.

Key Specifications

Pinout & Package

Package: 100-pin LFQFP, 14 mm × 14 mm, 0.5 mm pitch, exposed thermal pad (PLQP0100KB-B).

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F104PGAFB#V0, the R5F104PHAFB#V0 and R5F104PJAFB#V0 retain identical peripheral configuration, timing behavior, and industrial temperature compliance-but scale flash/RAM to accommodate evolving firmware complexity without PCB redesign.

Availability

R5F104PGAFB#V0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart thermostats, PLC I/O modules, and energy meter front-ends requiring stable component supply across extended product lifecycles.

Supply support for R5F104PGAFB#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/G14 product line delivers true low-power performance for cost-sensitive industrial and consumer applications, combining ultra-low active/standby current with rich analog/mixed-signal integration and hardware acceleration for deterministic real-time control.

FAQ

What is the maximum operating frequency and corresponding DMIPS rating for the R5F104PGAFB#V0?

The R5F104PGAFB#V0 operates at up to 32 MHz with a measured performance of 44 DMIPS. This value is derived from the RL78 CPU core's 3-stage pipeline architecture and validated under standard test conditions per Renesas documentation. The R5F104PGAFB#V0 achieves this throughput while maintaining ultra-low power consumption-66 μA per MHz in active mode-making it suitable for compute-constrained, battery-operated systems where efficiency is critical.

Does the R5F104PGAFB#V0 support hardware-accelerated cryptography or secure boot features?

The R5F104PGAFB#V0 does not integrate dedicated cryptographic accelerators (e.g., AES, SHA) or hardware secure boot engines. Its security features are limited to flash memory block erase/write prohibition and on-chip debug lock. For applications requiring certified secure boot or encrypted firmware updates, external secure elements or higher-tier RL78 devices (e.g., RL78/I1A) must be considered. The R5F104PGAFB#V0 prioritizes deterministic real-time control and ultra-low power over cryptographic processing.

Can the R5F104PGAFB#V0 operate from a single 1.8 V supply, and what peripherals remain functional at that voltage?

Yes, the R5F104PGAFB#V0 supports operation from 1.6 V to 5.5 V, including stable 1.8 V operation. At 1.8 V, all core functions-including the 32 MHz high-speed on-chip oscillator (±1.0% accuracy), 10-bit ADC (with internal 1.45 V reference), RTC, UART, I²C, and ELC-remain fully operational. This enables direct interfacing with 1.8 V logic families and simplifies power architecture in multi-rail systems without level-shifting components.

What is the pin compatibility status between R5F104PGAFB#V0 and other RL78/G14 variants in the 100-pin LFQFP package?

The R5F104PGAFB#V0 shares identical pinout, electrical characteristics, and package dimensions (PLQP0100KB-B) with all other RL78/G14 100-pin LFQFP variants-including R5F104PHAFB#V0, R5F104PJAFB#V0, and R5F104PLAFB#V0. Pin-to-pin compatibility is guaranteed across this family subset, enabling drop-in replacement for flash/RAM scaling without layout changes. All share the same REGC, RESET, X1/X2, and peripheral pin assignments per the official Renesas pin configuration diagrams.

How many independent UART channels does the R5F104PGAFB#V0 support, and do they include LIN bus physical layer compliance?

The R5F104PGAFB#V0 integrates four independent UART channels, each supporting LIN bus protocol (LIN 2.2/SAE J2602) via configurable break detection, sync field generation, and checksum calculation in hardware. Two UARTs (UART0 and UART1) are routed to dedicated pins (P00/P01, P50/P51); the remaining two (UART2, UART3) share pins with CSI/I²C functions and require peripheral I/O redirection register (PIOR) configuration. This enables concurrent LIN master/slave operation in automotive body electronics or industrial sub-networks.