Renesas R5F56316DDFP#V0

Overview

R5F56316DDFP#V0 from Renesas is a 100 MHz 32-bit RX63N Group microcontroller with integrated Ethernet MAC, full-speed USB 2.0 host/function/OTG, CAN 2.0B (3 channels), 2 MB on-chip flash, 128 KB SRAM, 32 KB data flash, 12-bit A/D converter (21 ch), 10-bit D/A converter (2 ch), hardware AES encryption (DEU), and RTC with battery backup - deployed in industrial gateways requiring deterministic real-time control and network connectivity.

For engineers reviewing the R5F56316DDFP#V0 datasheet, R5F56316DDFP#V0 pinout, R5F56316DDFP#V0 application, or R5F56316DDFP#V0 equivalent, this MCU delivers verified 100 MHz operation, IEEE 802.3-compliant 10/100 Mbps Ethernet (MII/RMII), IEC60730 safety support (CRC, self-diagnostic A/D, oscillation detection), and dual-voltage domain I/O (5-V tolerant on 18 pins) for robust interoperability in mixed-signal industrial systems.

Technical Context

The R5F56316DDFP#V0 implements the 32-bit RX CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions - achieving 165 DMIPS at 100 MHz while supporting IEEE-754 single-precision floating-point and dual MAC units. Its memory subsystem includes zero-wait-state 100 MHz flash and SRAM, plus background-programmable 32 KB data flash rated for 100,000 erase/write cycles.

Peripherals are clocked independently: ICLK up to 100 MHz (CPU), PCLK up to 50 MHz (peripherals), FCLK/BCLK up to 50 MHz (FlashIF/external bus). The device integrates dedicated DMA controllers - DMAC (4 ch), EXDMAC (2 ch), EDMAC (1 ch for Ethernet), and DTC - enabling concurrent high-bandwidth transfers without CPU intervention.

Key Specifications

Pinout & Package

Package: PLQP0100KB-A - 100-pin LQFP, 14 × 14 mm body, 0.5 mm pitch, exposed pad (thermal enhancement), RoHS compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F56316DDFP#V0, R5F563NEDDFP offers +128 KB SRAM for complex networking stacks, while R5F56316DDFP#30 provides identical functionality with JEDEC-compliant marking - both retain full Ethernet, USB, CAN, and safety feature compatibility without PCB changes.

Availability

R5F56316DDFP#V0 is available at Aetrix Electronics and suitable for industrial gateways, smart metering hubs, PLC I/O modules, and building automation controllers requiring stable component supply, long-term lifecycle assurance, and automotive-grade reliability validation.

Supply support for R5F56316DDFP#V0 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 industrial, automotive, and IoT markets.

The RX63N Group, including R5F56316DDFP#V0, was designed for real-time industrial control with integrated networking - targeting applications needing deterministic Ethernet, functional safety compliance, and secure firmware execution in harsh environments.

FAQ

What is the maximum operating frequency and core performance of the R5F56316DDFP#V0?

The R5F56316DDFP#V0 operates at a maximum frequency of 100 MHz using its 32-bit RX CPU core, delivering 165 DMIPS of processing performance. It supports IEEE-754 single-precision floating-point operations and includes two multiply-and-accumulate units. This performance level enables real-time execution of industrial protocol stacks such as EtherNet/IP and PROFINET on the R5F56316DDFP#V0 without external co-processors.

Does the R5F56316DDFP#V0 include an Ethernet MAC, and what interface standards does it support?

Yes, the R5F56316DDFP#V0 integrates a full IEEE 802.3-compliant Ethernet MAC supporting both 10 Mbps and 100 Mbps speeds in full- and half-duplex modes. It implements MII (Media Independent Interface) and RMII (Reduced MII) physical layer interfaces, along with Magic Packet™ wake-on-LAN and IEEE 802.3x flow control - all confirmed in the R01DS0098EJ0180 datasheet for the RX63N Group, which explicitly includes R5F56316DDFP#V0.

What are the memory resources available on the R5F56316DDFP#V0?

The R5F56316DDFP#V0 includes 2 MB of on-chip flash memory (zero wait states at 100 MHz), 128 KB of SRAM (also zero wait states), and 32 KB of reprogrammable data flash rated for 100,000 erase/write cycles. These memory resources are validated for the R5F56316DDFP#V0 in Table 1.3 of the RX63N datasheet (R01DS0098EJ0180), confirming its placement in the 2 MB flash / 128 KB SRAM configuration tier within the RX63N Group.

Which communication interfaces are supported by the R5F56316DDFP#V0 besides Ethernet?

In addition to Ethernet, the R5F56316DDFP#V0 supports USB 2.0 full-speed host/function/OTG (dual ports), CAN 2.0B (3 modules, 32 mailboxes), 13 serial communications interfaces (SCI) configurable as UART, SPI, I²C, or LIN, 4 I²C bus interfaces (one FM+), 3 RSPI channels, and 1 IEBus channel. All are documented in the RX63N Group specification and confirmed for the R5F56316DDFP#V0 via its inclusion in the RX63N product list (Table 1.3, R01DS0098EJ0180).

Is the R5F56316DDFP#V0 qualified for industrial temperature range and safety-critical applications?

Yes, the R5F56316DDFP#V0 is rated for −40°C to +85°C (D version) and includes multiple IEC60730 Class B compliance features: hardware CRC calculator, independent watchdog timer (IWDT), oscillation-stoppage detection, self-diagnostic A/D converter, and clock frequency measurement. These capabilities are explicitly listed in the RX63N Group features document (R01DS0098EJ0180) and apply to all D-version devices including R5F56316DDFP#V0.