Renesas R5F51306BDFM#10

Overview

R5F51306BDFM#10 from Renesas is a 32-bit RX CPU-based microcontroller in the RX130 Group, operating at up to 32 MHz (50 DMIPS), with 256 KB on-chip flash, 32 KB SRAM, and 8 KB data flash. It integrates a 12-bit A/D converter (17 channels), two 8-bit D/A channels, capacitive touch sensing (32 keys), RTC, low-power timer, and six communication interfaces including SCI, I²C, and RSPI - deployed in industrial human-machine interfaces and smart appliance control.

For engineers reviewing the R5F51306BDFM#10 datasheet, R5F51306BDFM#10 pinout, R5F51306BDFM#10 application, or R5F51306BDFM#10 equivalent, key selection criteria include its 64-pin LFQFP (PLQP0064KB-C) package, –40°C to +85°C temperature grade, 1.8–5.5 V single-supply operation, IEC60730 compliance features, and integrated CTSU supporting mutual capacitance matrix layouts.

Technical Context

The R5F51306BDFM#10 implements the 32-bit RXv1 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions - enabling 1-instruction-per-cycle execution and 64-bit accumulator support for motor control math. Its clock system includes high-speed on-chip oscillator (32 MHz ±1%), PLL, sub-clock (32.768 kHz), and CAC for real-time frequency accuracy monitoring.

Peripheral integration centers on event-driven operation: the Event Link Controller (ELC) enables interrupt-free module triggering (e.g., MTU → A/D start), while the Data Transfer Controller (DTC) supports chain transfers across four modes. The MCU supports software standby mode with 0.37 µA supply current and 4.8 µs wake-up, coordinated via three low-power states and module stop control.

Key Specifications

Pinout & Package

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

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 32-bit microcontroller applications.

Compared with R5F51306BDFM#10, the R5F51306ADFM#30 offers identical functionality but is obsolete, while R5F51305BDFM#30 trades memory capacity for lower cost - both share the same 64-pin LFQFP footprint and peripheral set, enabling scalable design reuse.

Availability

R5F51306BDFM#10 is available at Aetrix Electronics and suitable for smart appliance HMI, industrial motor control, energy monitoring gateways, and portable medical devices requiring stable component supply across extended product lifecycles.

Supply support for R5F51306BDFM#10 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, and power solutions for automotive, industrial, and IoT markets.

The RX130 Group targets cost-sensitive, low-power embedded applications requiring robust touch interfaces, analog sensing, and functional safety - designed specifically for white goods, building automation, and portable instrumentation.

FAQ

What is the maximum operating frequency and CPU performance of the R5F51306BDFM#10?

The R5F51306BDFM#10 operates at a maximum frequency of 32 MHz and delivers 50 DMIPS of processing performance using the 32-bit RXv1 CPU core. Its 5-stage pipeline, variable-length instruction set, and single-cycle execution for basic instructions enable deterministic real-time response - essential for motor control loops and touch debounce algorithms in the R5F51306BDFM#10.

Does the R5F51306BDFM#10 support capacitive touch sensing, and how many keys can it handle?

Yes, the R5F51306BDFM#10 integrates a Capacitive Touch Sensing Unit (CTSU) supporting up to 32 keys in mutual capacitance configuration on its 64-pin package. It uses hardware-accelerated scanning with built-in noise cancellation, enabling robust touch detection in electrically noisy environments - a core capability of the R5F51306BDFM#10 for appliance control panels.

What are the memory resources available on the R5F51306BDFM#10?

The R5F51306BDFM#10 includes 256 KB of on-chip flash memory (with no wait states at 32 MHz), 32 KB of SRAM, and 8 KB of data flash rated for 1 million program/erase cycles. This memory configuration supports complex firmware with field-upgradable parameters and real-time data logging - all integral to the R5F51306BDFM#10's role in industrial edge devices.

Is the R5F51306BDFM#10 qualified for functional safety standards like IEC60730?

Yes, the R5F51306BDFM#10 includes dedicated hardware features for IEC60730 Class B compliance, including self-diagnostic A/D, clock accuracy measurement (CAC), independent watchdog timer (IWDT), RAM test assistance, and analog input disconnection detection. These capabilities are documented in the R5F51306BDFM#10 datasheet and reduce certification burden for household appliance applications.

What package type and pin count does the R5F51306BDFM#10 use?

The R5F51306BDFM#10 uses the PLQP0064KB-C package: a 64-pin Low-Profile Quad Flat Package with 10 × 10 mm body size and 0.5 mm pitch. This RoHS-compliant, exposed-pad package supports reflow soldering and provides thermal and mechanical reliability for industrial PCB assemblies - the standard form factor for the R5F51306BDFM#10 in space-constrained designs.