Renesas R5F72867N100FP#U2

Overview

R5F72867N100FP#U2 from Renesas Electronics is a 32-bit RISC microcontroller based on the SuperH™ SH-2A CPU core, featuring 1 MB of on-chip Flash memory, 128 KB RAM, and integrated peripherals including USB 2.0 FS host/device controller, CAN controller, 12-bit ADC (24 channels), and multiple serial interfaces (SCI, I²C, SPI). It operates at up to 100 MHz and targets industrial motor control and embedded automation systems requiring real-time processing and mixed-signal integration.

For engineers reviewing the R5F72867N100FP#U2 datasheet, R5F72867N100FP#U2 pinout, R5F72867N100FP#U2 application, or R5F72867N100FP#U2 equivalent, key selection criteria include its 144-pin LQFP package, -40°C to +85°C industrial temperature grade, integrated CPG with PLL and USB 48-MHz clock generation, and support for single-chip mode with external bus interface disabled.

Technical Context

The R5F72867N100FP#U2 implements the SH-2A core with 5-stage pipeline, FPU support, and 32-bit address/data bus capability. It integrates a Clock Pulse Generator (CPG) supporting multiple clock sources - crystal resonator (1–20 MHz), external clock input, or internal oscillator - with programmable PLL for CPU and peripheral clock derivation.

Its interrupt architecture includes a 32-level priority INTC with vector table relocation, while system control features comprise power management modes (sleep, deep sleep), watchdog timer (WDT), and oscillation stop detection. Peripheral set includes dual CAN controllers compliant with ISO 11898-1, USB 2.0 Full-Speed transceiver with internal PHY, and MTU2S timer unit with PWM and capture/compare functions.

Key Specifications

Pinout & Package

Package: 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch), thermally enhanced with exposed pad. Pin assignment conforms to SH7280 Group specification Rev.3.00 (Mar 2011), with dedicated power/ground pairs, configurable I/O banks, and function-multiplexed pins for peripheral routing.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F72867N100FP#U2, the R5F72865N100FP#U2 reduces memory and removes USB, lowering BOM cost but limiting field serviceability; the R5F72868N100FP#U2 adds Ethernet and RAM, enabling cloud-connected edge nodes but increasing power and layout complexity.

Availability

R5F72867N100FP#U2 is available at Aetrix Electronics and suitable for industrial motor control, factory automation, and building management systems requiring stable component supply, long-term lifecycle assurance, and automotive-grade reliability screening.

Supply support for R5F72867N100FP#U2 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 SH7280 Group, including R5F72867N100FP#U2, was designed for real-time embedded control in harsh industrial environments, emphasizing deterministic timing, mixed-signal integration, and functional safety readiness.

FAQ

What is the maximum operating frequency of the R5F72867N100FP#U2?

The R5F72867N100FP#U2 operates at a maximum CPU frequency of 100 MHz, achieved using the on-chip Clock Pulse Generator (CPG) with PLL multiplication of an external 1–20 MHz crystal or clock source. This frequency is sustained across the full industrial temperature range (-40°C to +85°C) under 3.0–3.6 V supply conditions, with timing validated per Renesas Hardware User's Manual Rev.3.00.

Does the R5F72867N100FP#U2 include an integrated USB physical layer?

Yes, the R5F72867N100FP#U2 integrates a full USB 2.0 Full-Speed transceiver with differential drivers, receivers, and line-state detection circuitry. This eliminates the need for external PHY components, supports both host and device roles, and enables plug-and-play firmware updates via USB mass storage class without additional ICs.

How many CAN interfaces does the R5F72867N100FP#U2 support?

The R5F72867N100FP#U2 supports two independent CAN 2.0B controllers, each with dedicated message RAM, acceptance filtering, and error counters. Both controllers operate concurrently without shared resources, enabling dual-bus architectures such as primary/backup fieldbus or CAN-based diagnostics alongside control traffic.

What is the ADC resolution and channel count on the R5F72867N100FP#U2?

The R5F72867N100FP#U2 features a 12-bit successive approximation ADC with 24 input channels. It supports hardware-triggered conversions, scan mode with automatic channel sequencing, and built-in functions including averaging, offset calibration, and window comparison - all critical for precision motor current and sensor signal acquisition.

Is the R5F72867N100FP#U2 qualified for industrial temperature operation?

Yes, the R5F72867N100FP#U2 is rated for industrial temperature operation from -40°C to +85°C and is classified as a "Standard" quality grade device per Renesas documentation, making it suitable for factory automation, motor drives, and building control systems deployed in uncontrolled ambient environments.