Renesas R5F72165ADBG#U1

Overview

R5F72165ADBG#U1 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 100 MHz and targets industrial motor control and embedded HMI applications requiring real-time responsiveness and mixed-signal integration.

For engineers reviewing the R5F72165ADBG#U1 datasheet, R5F72165ADBG#U1 pinout, R5F72165ADBG#U1 application, or R5F72165ADBG#U1 equivalent, key selection criteria include its SH-2A CPU performance, USB/CAN coexistence capability, Flash endurance (10,000 write/erase cycles), operating temperature range (−40°C to +85°C), and QFP-144 package compatibility with industrial PCB layouts.

Technical Context

The R5F72165ADBG#U1 implements the SH-2A superscalar RISC architecture with dual-issue pipeline, supporting both integer and floating-point operations via optional FPU extension. Its system-level timing is managed by a programmable Clock Pulse Generator (CPG) with PLL, multiple clock domains, and oscillation stop detection for low-power modes.

Peripheral integration includes a Data Transfer Controller (DTC) for autonomous DMA, an Interrupt Controller (INTC) with 128 vector sources, and a Bus State Controller (BSC) enabling flexible external memory interface configuration - all coordinated through dedicated system control registers mapped in the 32-bit address space.

Key Specifications

Pinout & Package

Package: 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch), thermally enhanced with exposed pad, RoHS-compliant lead-free finish.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F72164ADBG#U0 and R5F72166ADBG#U0, the R5F72165ADBG#U1 provides balanced memory (512 KB Flash/64 KB RAM) and single-CAN capability ideal for cost-sensitive industrial controllers where full dual-CAN is unnecessary but headroom beyond 384 KB is required.

Availability

R5F72165ADBG#U1 is available at Aetrix Electronics and suitable for industrial motor control, embedded HMI terminals, automated test equipment, and building energy management systems requiring stable component supply across multi-year production cycles.

Supply support for R5F72165ADBG#U1 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 R5F72165ADBG#U1 belongs to the SH7216 Group - a family of high-performance 32-bit MCUs designed for real-time industrial control applications demanding deterministic timing, mixed-signal integration, and robust communication interfaces.

FAQ

What is the maximum operating frequency of the R5F72165ADBG#U1?

The R5F72165ADBG#U1 operates at a maximum CPU frequency of 100 MHz, achieved via its on-chip Clock Pulse Generator (CPG) with PLL circuitry. This frequency is sustained under industrial temperature conditions (−40°C to +85°C) with proper power supply decoupling and crystal stability. The R5F72165ADBG#U1's SH-2A core delivers consistent instruction throughput at this rate, enabling sub-microsecond interrupt latency critical for motor control loops.

Does the R5F72165ADBG#U1 include an integrated USB transceiver?

Yes, the R5F72165ADBG#U1 integrates a full-speed USB 2.0 transceiver with on-chip PHY, supporting both host and device modes without external components. Its USB_DP and USB_DM pins connect directly to the USB connector, while USB_VBUS enables automatic role detection. This integration is confirmed in Section 4.8 of the SH7214/SH7216 Hardware User's Manual and eliminates the need for discrete USB PHY ICs in R5F72165ADBG#U1-based designs.

What debug interface does the R5F72165ADBG#U1 support?

The R5F72165ADBG#U1 supports IEEE 1149.1 JTAG for boundary scan testing and on-chip debugging, including real-time trace and breakpoint control. This interface is implemented via dedicated TCK, TMS, TDI, TDO, and TRST pins, and is fully compatible with Renesas E2 emulator and third-party debug tools. The R5F72165ADBG#U1's JTAG implementation adheres to SH-2A architecture specifications, enabling full visibility into CPU state, memory, and peripheral registers during development.

Is the R5F72165ADBG#U1 qualified for automotive applications?

No, the R5F72165ADBG#U1 is rated for industrial temperature range (−40°C to +85°C) and classified as "Standard" quality grade per Renesas documentation, intended for applications such as industrial robots and office equipment. It is not AEC-Q100 qualified nor designated for automotive use. For automotive-grade alternatives, consult Renesas' RH850 or RL78/F1x families - the R5F72165ADBG#U1 must not be deployed in safety-critical vehicle systems without explicit written consent from Renesas Electronics.

What is the Flash endurance specification for the R5F72165ADBG#U1?

The R5F72165ADBG#U1 specifies 10,000 write/erase cycles for its on-chip 512 KB Flash memory, with data retention guaranteed for 20 years at +85°C. This endurance rating is defined in Renesas' official Flash memory specifications for the SH7216 Group and applies to standard block erase and word programming operations. Field firmware updates using the R5F72165ADBG#U1's bootloader must account for this limit to ensure long-term reliability in deployed systems.