Renesas R5F51308AGFM#30

Overview

R5F51308AGFM#30 from Renesas is a 32-bit RX130 Group microcontroller with 512 KB flash, 48 KB SRAM, and 8 KB data flash, operating at up to 32 MHz (50 DMIPS), featuring 12-bit A/D, dual 8-bit D/A, capacitive touch sensing (32 channels), RTC, and IEC60730 compliance for industrial control and consumer HMI applications.

For engineers reviewing the R5F51308AGFM#30 datasheet, R5F51308AGFM#30 pinout, R5F51308AGFM#30 application, or R5F51308AGFM#30 equivalent, key selection criteria include its 64-pin LFQFP (PLQP0064KB-C) package, –40°C to +105°C temperature grade, 17-channel A/D converter, ELC event-driven peripheral coordination, and software standby mode with 0.37 µA supply current and 4.8 µs wake-up time.

Technical Context

The R5F51308AGFM#30 implements a CISC Harvard-architecture RX CPU core with 5-stage pipeline, variable-length instructions, and 64-bit accumulator for single-cycle 32×32 multiply operations. It integrates an Event Link Controller (ELC) enabling interrupt-free inter-module triggering and a Data Transfer Controller (DTC) supporting normal, repeat, and block transfer modes activated by 47 event sources.

Its clock system includes high-speed on-chip oscillator (32 MHz ±1%), sub-clock (32.768 kHz), PLL (4–8 MHz input), and dedicated IWDT oscillator (15 kHz), with independent clock domains for ICLK (CPU/system), PCLKB (peripherals), and FCLK (FlashIF), all configurable up to 32 MHz. The MCU supports three low-power modes-sleep, deep sleep, and software standby-with LPT running during standby using sub-clock or IWDTCLK.

Key Specifications

Pinout & Package

Package: PLQP0064KB-C - 64-pin Low-Profile Quad Flat Package, 10 × 10 mm, 0.5 mm pitch, exposed pad.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F51308ADFM#30, the R5F51308AGFM#30 adds extended temperature operation critical for industrial deployments; versus R5F51306BGFM#30, it provides 256 KB more flash and 16 KB more SRAM for complex HMI or protocol stacks while retaining identical peripheral count and low-power behavior.

Availability

R5F51308AGFM#30 is available at Aetrix Electronics and suitable for industrial automation interfaces, consumer appliance HMIs, and extended-temperature sensor nodes requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for R5F51308AGFM#30 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 automotive, industrial, and IoT markets.

The RX130 Group is designed for cost-sensitive, low-power embedded applications demanding robust safety compliance (IEC60730), rich analog integration, and capacitive touch capability - particularly in white goods, building controls, and portable industrial tools.

FAQ

What is the maximum operating frequency and core performance of the R5F51308AGFM#30?

The R5F51308AGFM#30 operates at a maximum frequency of 32 MHz and delivers 50 DMIPS of processing performance. Its 32-bit RX CPU core features a 5-stage pipeline, variable-length instructions, and a 64-bit accumulator capable of holding full 32×32 multiplication results in a single instruction. This performance level supports real-time control, sensor fusion, and responsive HMI rendering within its 512 KB flash and 48 KB SRAM resources.

Does the R5F51308AGFM#30 support IEC60730 Class B functional safety requirements?

Yes, the R5F51308AGFM#30 includes hardware-assisted IEC60730 Class B compliance features: self-diagnostic A/D converter, clock frequency accuracy measurement circuit (CAC), independent watchdog timer (IWDT) with dedicated oscillator, RAM test assistance via Data Operation Circuit (DOC), and analog input disconnection detection. These are documented in the R01DS0273EJ0300 datasheet and enable certified safety routines without external components.

How many capacitive touch channels does the R5F51308AGFM#30 support, and what is the physical pin count?

The R5F51308AGFM#30 supports 32 capacitive touch sensing channels in its 64-pin PLQP0064KB-C package, mapped to TS0–TS31 pins. This is confirmed in Table 1.2 of the datasheet, which specifies "32 channels" for the 64-pin variant. The CTSU operates in self-capacitance mode, allowing one pin per key, and includes hardware noise suppression and scan acceleration.

What are the low-power capabilities of the R5F51308AGFM#30, especially in standby mode?

The R5F51308AGFM#30 offers three low-power modes, with software standby consuming just 0.37 µA (typical) while maintaining RTC and LPT operation. Wake-up occurs in 4.8 µs, and the LPT can generate periodic interrupts using either the 32.768 kHz sub-clock or the 15 kHz IWDT-dedicated oscillator. This enables ultra-low-energy operation for battery-powered or energy-harvesting applications requiring infrequent sensing or timed wake-ups.

Which communication interfaces are available on the R5F51308AGFM#30, and how many instances of each?

The R5F51308AGFM#30 provides six SCI channels (SCI0,1,5,6,8,9), one I2C bus interface (RIIC), one RSPI channel, and one additional SCIh channel (SCI12) with LIN support. It also includes two Remote Control Signal Receivers (REMC) for IR decoding. All are accessible in the 64-pin package, with pin multiplexing managed via the Multi-function Pin Controller (MPC) - details in Table 1.4 of the R01DS0273EJ0300 datasheet.