Renesas R5F72145HDFA#V1

Overview

R5F72145HDFA#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 USB 2.0 FS host/device controller, CAN controller, and 12-bit ADC. It operates at up to 80 MHz and targets industrial control and embedded HMI applications requiring real-time responsiveness and mixed-signal integration.

For engineers reviewing the R5F72145HDFA#V1 datasheet, R5F72145HDFA#V1 pinout, R5F72145HDFA#V1 application, or R5F72145HDFA#V1 equivalent, key selection criteria include its SH-2A CPU architecture, 144-pin LQFP package with 111 I/Os, USB/CAN dual-interface capability, Flash write/erase endurance of 100K cycles, and operating temperature range of −40°C to +85°C.

Technical Context

The R5F72145HDFA#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-including crystal resonator (1–20 MHz), external clock input, and internal PLL for 48 MHz USB and 80 MHz system clocks-and includes an Oscillation Stop Detection circuit for fail-safe operation.

Peripheral subsystems include a Data Transfer Controller (DTC) for autonomous DMA transfers, an Interrupt Controller (INTC) with 128 interrupt sources and 7 priority levels, and a Bus State Controller (BSC) enabling flexible external memory interface configuration with programmable wait states and bus width control.

Key Specifications

Pinout & Package

The R5F72145HDFA#V1 is housed in a 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch) package with exposed thermal pad, rated for industrial temperature range (−40°C to +85°C) and RoHS compliance.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F72144HDFA#V1 and R5F72146HDFA#V1, the R5F72145HDFA#V1 offers balanced Flash/RAM capacity and full USB/CAN integration-making it optimal for cost-sensitive industrial devices needing both fieldbus and PC connectivity without over-provisioning memory.

Availability

R5F72145HDFA#V1 is available at Aetrix Electronics and suitable for industrial PLC modules, embedded HMI panels, motor drive controllers, and smart sensor nodes requiring stable component supply across multi-year production cycles.

Supply support for R5F72145HDFA#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 SH7214 Group-including the R5F72145HDFA#V1-is designed for real-time industrial control applications demanding high computational throughput, mixed-signal integration, and robust communication interfaces like USB and CAN.

FAQ

What is the maximum operating frequency of the R5F72145HDFA#V1?

The R5F72145HDFA#V1 operates at a maximum frequency of 80 MHz, achieved via its internal PLL clock generator configured from an external crystal or clock source. This frequency enables 125 DMIPS performance for deterministic real-time control tasks. The R5F72145HDFA#V1's CPG supports dynamic clock switching between modes, allowing system-level power optimization without compromising timing-critical peripheral operation.

Does the R5F72145HDFA#V1 include an integrated USB physical layer?

Yes, the R5F72145HDFA#V1 integrates a full-speed USB 2.0 transceiver (PHY) alongside its USB controller, eliminating the need for an external USB PHY IC. This integration supports both host and device modes and complies with USB 2.0 Full-Speed specifications (12 Mbps). The R5F72145HDFA#V1 requires only standard USB termination resistors and proper PCB layout for differential signaling-no external components are needed for basic CDC or HID class operation.

How much on-chip Flash memory does the R5F72145HDFA#V1 provide?

The R5F72145HDFA#V1 includes 512 KB of on-chip Flash memory with 100,000 erase/write cycle endurance and sector lock protection. This capacity supports complex firmware with bootloader, application code, and parameter storage-all within a single chip. The R5F72145HDFA#V1's Flash supports in-application programming (IAP), enabling field firmware updates via CAN or USB without requiring external programming hardware.

What communication interfaces are integrated into the R5F72145HDFA#V1?

The R5F72145HDFA#V1 integrates USB 2.0 Full-Speed host/device, CAN 2.0B, multiple SCI (UART) channels, I²C, and a flexible serial array interface (SAU). These interfaces support concurrent operation-for example, USB for PC configuration, CAN for fieldbus networking, and SCI for debugging or legacy device interfacing. The R5F72145HDFA#V1's pin multiplexing allows shared use of I/O resources without hardware conflict when properly configured in software.

Is the R5F72145HDFA#V1 qualified for industrial temperature operation?

Yes, the R5F72145HDFA#V1 is specified for industrial temperature operation from −40°C to +85°C and packaged in a 144-pin LQFP with exposed thermal pad for enhanced heat dissipation. Its electrical characteristics-including Flash retention, ADC accuracy, and clock stability-are guaranteed across this full range. The R5F72145HDFA#V1 meets Renesas' "Standard" quality grade, making it suitable for industrial robots, machine tools, and factory automation equipment per their product classification guidelines.