Renesas R5F51403AGFJ#50

Overview

R5F51403AGFJ#50 from Renesas is a 32-bit RXv2 core MCU operating at up to 48 MHz, featuring 64 KB flash, 16 KB SRAM, 4 KB data flash, 12-bit A/D converter (11 channels), two 8-bit D/A channels, and capacitive touch sensing (24 keys). It supports CAN, SCI, I²C, RSPI, RTC, low-power modes, and operates from 1.8–5.5 V in industrial temperature range (–40 to +105°C).

For engineers reviewing the R5F51403AGFJ#50 datasheet, R5F51403AGFJ#50 pinout, R5F51403AGFJ#50 application, or R5F51403AGFJ#50 equivalent, this page delivers verified specifications, package mapping (32-pin LFQFP, 0.8 mm pitch), functional pin roles, real-world use cases, and validated alternative parts for industrial control, sensor nodes, and HMI subsystems.

Technical Context

The R5F51403AGFJ#50 implements the RXv2 CPU core with IEEE-754-compliant 32-bit FPU, 204 CoreMark performance at 48 MHz, and on-chip divider completing 32-bit ÷ 32-bit in two cycles. Its memory subsystem includes no-wait-state SRAM and flash with 1-wait access above 32 MHz.

Peripherals are orchestrated via ELC (Event Link Controller) and DTC (Data Transfer Controller), enabling interrupt-free module triggering and linked operation during CPU sleep. Clock management supports multiple oscillators (HOCO, LOCO, sub-clock, PLL), CAC for accuracy monitoring, and independent clock domains (ICLK/PCLKB/FCLK/ADCLK).

Key Specifications

Pinout & Package

Package: PLQP0032GB-A - 32-pin Low-Profile Quad Flat Package, 7 × 7 mm body, 0.8 mm lead pitch, exposed pad optional per Renesas design guidelines.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F51403AGFJ#50, R5F51403ADFJ#30 offers identical functionality at lower temperature grade and cost, while R5F51405AGFM#30 trades compact size for expanded peripherals and memory - enabling scalable platform design across product tiers.

Availability

R5F51403AGFJ#50 is available at Aetrix Electronics and suitable for industrial motor drives, smart sensor nodes, HMI interfaces, and appliance control subsystems requiring stable component supply and long-term manufacturability.

Supply support for R5F51403AGFJ#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 Corporation is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and IoT markets.

The RX140 Group is designed for cost-sensitive, low-power industrial and consumer applications requiring rich analog integration, touch sensing, functional safety support, and seamless migration within the RX family.

FAQ

What is the maximum operating frequency and core type of the R5F51403AGFJ#50?

The R5F51403AGFJ#50 features a 32-bit RXv2 CPU core with a maximum operating frequency of 48 MHz. It achieves 204 CoreMark performance at this speed and includes an IEEE-754-compliant single-precision FPU, on-chip 32-bit multiplier/divider, and enhanced DSP instructions. This makes the R5F51403AGFJ#50 suitable for real-time control tasks requiring both integer and floating-point computation.

Which package and pin count does the R5F51403AGFJ#50 use?

The R5F51403AGFJ#50 uses the PLQP0032GB-A package: a 32-pin Low-Profile Quad Flat Package with 0.8 mm pitch and 7 × 7 mm body size. This compact industrial-grade footprint supports reflow soldering and provides adequate thermal dissipation for continuous operation at full speed. The R5F51403AGFJ#50 has 23 general-purpose I/O pins, including 20 open-drain outputs and 2 5-V tolerant inputs.

Does the R5F51403AGFJ#50 include hardware encryption or a true random number generator?

No, the R5F51403AGFJ#50 does not include hardware encryption (AESA) or a true random number generator (RNGA). Its part number suffix "A" indicates absence of the encryption module, confirmed in Table 1.3 of the datasheet. For designs requiring AES-128/256 or cryptographically secure RNG, consider R5F51403BGFJ#50 or higher-memory variants like R5F51405AGFM#30 that explicitly list "Available" under Encryption Module.

What are the A/D converter specifications for the R5F51403AGFJ#50?

The R5F51403AGFJ#50 integrates a 12-bit successive-approximation A/D converter (S12ADE) with 11 external input channels and one internal temperature sensor channel. Minimum conversion time is 0.67 µs when ADCLK runs at 48 MHz. It supports scan modes, per-channel sampling time configuration, conversion result comparison, and self-diagnostic functions - all critical for precision analog monitoring in industrial applications using the R5F51403AGFJ#50.

Is the real-time clock (RTC) available on the R5F51403AGFJ#50?

No, the real-time clock (RTCB) is not available on the R5F51403AGFJ#50. As shown in Table 1.2 (Comparison of Functions), RTC is marked "Not supported" for all 32-pin variants including R5F51403AGFJ#50. However, the device includes a low-power timer (LPTa) with sub-clock input and PWM output capability, which can be used for coarse timekeeping or periodic wake-up events - but not calendar-based timekeeping like RTC.