Renesas R5F72147HDFA#V1

Overview

R5F72147HDFA#V1 from Renesas Electronics is a 32-bit RISC microcontroller based on the SuperH™ SH-2A core, featuring 512 KB on-chip Flash memory, 64 KB RAM, and integrated peripherals including SCI, I²C, CAN, and 12-bit ADC. It operates at up to 80 MHz and targets real-time industrial control applications requiring deterministic timing and robust peripheral integration.

For engineers reviewing the R5F72147HDFA#V1 datasheet, R5F72147HDFA#V1 pinout, R5F72147HDFA#V1 application, or R5F72147HDFA#V1 equivalent, key selection criteria include its SH-2A CPU architecture, CAN 2.0B interface compliance, 80 MHz max clock, 12-bit ADC with 16-channel input, and support for single-chip mode operation with external bus expansion capability.

Technical Context

The R5F72147HDFA#V1 implements the SH-2A CPU core with FPU support, executing instructions in a five-stage pipeline with branch prediction. It integrates a Clock Pulse Generator (CPG) supporting multiple clock sources - crystal resonator (1–20 MHz), external clock input, and internal oscillator - with programmable PLL for generating system clocks up to 80 MHz.

Peripheral subsystems include a Data Transfer Controller (DTC) for autonomous memory-to-peripheral transfers, an Interrupt Controller (INTC) with 128 interrupt sources and 7 priority levels, and a Bus State Controller (BSC) enabling external memory access via 16-bit data/24-bit address bus in MCU extension modes.

Key Specifications

Pinout & Package

The R5F72147HDFA#V1 is housed in a 144-pin LQFP package (20 mm × 20 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments follow Renesas' SH7214 Group standard layout, supporting single-chip and expanded bus modes.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F72146HDFA#V1 and R5F72148HDFA#V1, the R5F72147HDFA#V1 provides optimal balance of on-chip memory (512 KB Flash/64 KB RAM), USB 2.0 full-speed capability, and CAN 2.0B support - making it ideal for mid-complexity embedded gateways where code size, peripheral integration, and field-upgradability intersect.

Availability

R5F72147HDFA#V1 is available at Aetrix Electronics and suitable for industrial automation, automotive body electronics, and medical device applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for R5F72147HDFA#V1 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 infrastructure markets.

The R5F72147HDFA#V1 belongs to the SH7214 Group - a family of SH-2A-based MCUs designed for deterministic real-time control in safety-aware industrial and transportation systems with integrated CAN, USB, and high-resolution analog peripherals.

FAQ

What is the maximum operating frequency of the R5F72147HDFA#V1?

The R5F72147HDFA#V1 operates at a maximum frequency of 80 MHz, achieved via its integrated Clock Pulse Generator (CPG) with programmable PLL. This allows a 12.5 ns instruction cycle time for real-time deterministic execution. The R5F72147HDFA#V1 supports multiple clock sources including crystal (1–20 MHz), external clock input, and internal oscillator - all configurable through the FRQCR register.

Does the R5F72147HDFA#V1 include a hardware floating-point unit?

Yes, the R5F72147HDFA#V1 integrates a hardware Floating-Point Unit (FPU) compliant with IEEE 754 single-precision format. This FPU accelerates trigonometric, exponential, and division operations critical for motor control, sensor fusion, and PID loop calculations. The R5F72147HDFA#V1's SH-2A core executes FPU instructions natively without software emulation overhead.

How many CAN interfaces does the R5F72147HDFA#V1 support?

The R5F72147HDFA#V1 supports two independent CAN 2.0B controllers (CAN0 and CAN1), each compliant with ISO 11898-1 and capable of bit rates up to 1 Mbps. Both controllers feature message objects, acceptance filtering, and loopback self-test modes. The R5F72147HDFA#V1 routes CAN signals to dedicated pins (CAN0TX/CAN0RX and CAN1TX/CAN1RX) in its 144-pin LQFP package.

What type of on-chip memory is included in the R5F72147HDFA#V1?

The R5F72147HDFA#V1 includes 512 KB of on-chip Flash memory organized in 1 KB sectors for flexible erase/write operations, and 64 KB of SRAM for data and stack storage. The Flash supports read-while-write (RWW) capability and includes security features such as block protection and secure boot verification. The R5F72147HDFA#V1's memory map is fixed per SH7214 Group specifications and accessible via linear addressing.

Is the R5F72147HDFA#V1 pin-compatible with other SH7214 Group devices?

Yes, the R5F72147HDFA#V1 is pin-compatible with other members of the SH7214 Group in the same 144-pin LQFP package, including R5F72146HDFA#V1 and R5F72148HDFA#V1. All share identical pin assignments, electrical characteristics, and peripheral signal routing. The R5F72147HDFA#V1 differs only in memory size and feature set - enabling drop-in replacement where Flash/RAM requirements align and USB functionality is needed.