Renesas R5F565N4BDFP#10

Overview

R5F565N4BDFP#10 from Renesas is a 32-bit RXv2 microcontroller with 120 MHz max operating frequency, 240 DMIPS performance, on-chip FPU, 2 MB code flash, 640 KB SRAM, and integrated Ethernet MAC, CAN, SD host/slave, QSPI, and GLCDC for embedded HMI and industrial connectivity applications.

For engineers reviewing the R5F565N4BDFP#10 datasheet, R5F565N4BDFP#10 pinout, R5F565N4BDFP#10 application, or R5F565N4BDFP#10 equivalent, key selection criteria include dual-bank flash for safe firmware updates, 136 GPIOs with 5-V tolerance, IEEE-754 FPU for real-time control math, IEC60730 safety features, and 120 °C extended temperature grade (G-version).

Technical Context

The R5F565N4BDFP#10 implements the RXv2 CISC Harvard architecture with 5-stage pipeline, variable-length instructions, and memory protection unit (MPU) supporting eight 16-byte–granularity regions. It integrates dual-bank flash enabling background programming during execution and startup bank switching - critical for fail-safe OTA updates in industrial controllers.

Clock subsystem includes PLL with external crystal (8–24 MHz) or internal HOCO (16/18/20 MHz), plus dedicated 120-kHz IWDT oscillator. Peripheral clocks are independently configurable: PCLKA up to 120 MHz for ETHERC/EDMAC/GLCDC/DRW2D, PCLKB up to 60 MHz for most timers and ADCs, and separate ADCLK domains for S12AD units.

Key Specifications

Pinout & Package

Package: PLQP0176KB-A - 176-pin Low-Profile Fine-Pitch Ball Grid Array (LFBGA), 24 mm × 24 mm, 0.5 mm ball pitch, RoHS-compliant, lead-free.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F565N4BDFP#10, R5F565NEDFP#10 offers reduced memory but same package and safety features, while R5F566TNDFA#30 trades connectivity and display capability for higher CPU performance and motor-control-specific peripherals - neither is pin-compatible, and both require PCB redesign.

Availability

R5F565N4BDFP#10 is available at Aetrix Electronics and suitable for industrial gateways, smart HMI terminals, energy metering hubs, and secure IoT edge nodes requiring stable component supply across long production lifecycles.

Supply support for R5F565N4BDFP#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 is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and enterprise applications.

The RX65N Group - including R5F565N4BDFP#10 - was designed for industrial connectivity and human-machine interface applications demanding real-time performance, functional safety, and rich peripheral integration in extended temperature environments.

FAQ

What is the operating temperature range for R5F565N4BDFP#10?

The R5F565N4BDFP#10 is rated for –40°C to +105°C (G-grade), validated per JEDEC JESD22-A104 for extended thermal stress. This rating applies to the full 120 MHz operation with all peripherals active, making it suitable for factory-floor automation and outdoor energy infrastructure deployments where ambient temperatures exceed standard commercial ranges. The on-die temperature sensor provides real-time die monitoring within ±1°C accuracy.

Does R5F565N4BDFP#10 support Ethernet PHY integration?

No, R5F565N4BDFP#10 integrates only the Ethernet MAC layer (ETHERC) and associated EDMAC DMA controller. An external PHY IC (e.g., DP83848 or LAN8720) is required for physical layer signaling, connected via MII or RMII interface. The device provides ETH_MDC/MDIO, ETH_TXD0–3, ETH_RXD0–3, ETH_TX_EN, and ETH_CRS_DV pins - all electrically compliant with IEEE 802.3u specifications for 10/100 Mbps operation.

How many CAN channels does R5F565N4BDFP#10 support, and what protocol versions are implemented?

R5F565N4BDFP#10 supports two independent CAN channels compliant with ISO 11898-1 (Classical CAN), each with 32 configurable mailboxes. It does not implement CAN FD or CAN XL. Both channels support standard (11-bit) and extended (29-bit) identifier frames, programmable bit timing, automatic retransmission, and error confinement - meeting requirements for industrial fieldbus and automotive body control networks.

Is the 640 KB SRAM in R5F565N4BDFP#10 physically contiguous and accessible at full speed?

Yes, the 640 KB SRAM in R5F565N4BDFP#10 consists of 256 KB main SRAM and 384 KB expansion SRAM, mapped contiguously from 0x00000000 to 0x0009FFFF. All 640 KB operate at zero wait states up to 120 MHz when accessed via the CPU or DMACAa/EXDMAC, enabling deterministic real-time buffer handling for Ethernet packet queues, graphics framebuffers, and audio processing pipelines without latency penalties.

What debug interfaces are supported by R5F565N4BDFP#10, and are they available simultaneously?

R5F565N4BDFP#10 supports both JTAG and single-wire FINE debugging interfaces. They share the same physical pins (TCK/TDI/TDO/TMS for JTAG; FINE for single-wire), so only one interface can be used at a time. FINE requires fewer PCB traces and is preferred for space-constrained designs, while JTAG enables full boundary-scan and multi-core debug in complex systems. Both interfaces support flash programming, real-time trace, and hardware breakpoints per the RXv2 core specification.