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Renesas R5F56318CDFB#V0
- Part No.:
- R5F56318CDFB#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R5F56318CDFB#V0.pdf
- Description:
- IC MCU 32BIT 512KB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,455
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Product details
Overview
R5F56318CDFB#V0 from Renesas is a 100 MHz 32-bit RXv1 CPU-based microcontroller in the RX63N Group, featuring on-chip Ethernet MAC (IEEE 802.3), full-speed USB 2.0 host/function/OTG, CAN 2.0B (3 channels), 2 MB flash, 128 KB SRAM, and hardware AES encryption. It operates from a single 2.7–3.6 V supply and supports -40 to +85°C industrial temperature range - used in networked industrial controllers requiring deterministic real-time I/O and secure firmware updates.
For engineers reviewing the R5F56318CDFB#V0 datasheet, R5F56318CDFB#V0 pinout, R5F56318CDFB#V0 application, or R5F56318CDFB#V0 equivalent, key selection criteria include Ethernet MAC integration, 100 MHz FPU-enabled performance (165 DMIPS), dual A/D converters (12-bit ×21 ch / 10-bit ×8 ch), 2-channel 10-bit DAC, and support for IEC60730 functional safety compliance via CRC, self-diagnostic A/D, and oscillation-stop detection.
Technical Context
The R5F56318CDFB#V0 implements the RXv1 core with Harvard architecture, 5-stage pipeline, and IEEE-754 single-precision FPU - enabling deterministic floating-point math for motor control and sensor fusion. Its clock system includes PLL, HOCO (50 MHz), LOCO (125 kHz), and subclock oscillator, with independent domain clocks (ICLK up to 100 MHz, PCLK up to 50 MHz) for optimized peripheral timing.
It integrates dedicated DMA controllers: 4-channel DMAC, 2-channel EXDMAC, and a single-channel EDMAC for Ethernet offload - reducing CPU load during high-throughput frame handling. The MCU supports memory protection unit (MPU), register write protection, and deep software standby with RTC backup, meeting requirements for secure, low-power industrial edge nodes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv1 32-bit CISC core with 5-stage pipeline, 165 DMIPS @ 100 MHz - enables real-time deterministic execution for motion control loops. |
| Flash Memory | 2 Mbytes on-chip flash, 100 MHz zero-wait access - supports over-the-air firmware updates without external storage. |
| SRAM | 128 Kbytes on-chip SRAM, no-wait access - sufficient for RTOS stacks, Ethernet TCP/IP buffers, and USB descriptor tables. |
| Ethernet Interface | IEEE 802.3-compliant MAC with MII/RMII support, 10/100 Mbps full/half-duplex - enables direct connection to PHY without external switch or bridge. |
| A/D Converters | 12-bit S12AD (21 channels, 1 µs conversion @ 50 MHz PCLK) + 10-bit AD (8 channels) - supports simultaneous sampling of analog sensors and power monitoring. |
| Security & Safety | AES-128/192/256 engine (ECB/CBC), CRC calculator (3 polynomials), IWDT, and A/D self-diagnostic - meets IEC60730 Class B requirements. |
| Package & Pins | 144-pin LQFP (PLQP0144KA-A), 20 × 20 mm, 0.5 mm pitch, 111 general-purpose I/O pins with 5-V tolerance - compatible with standard industrial PCB layouts. |
Pinout & Package
Package: PLQP0144KA-A - 144-pin LQFP, 20 × 20 mm body, 0.5 mm pitch, exposed thermal pad (non-electrical). Pin count: 144 total, including 111 GPIO, 4 power/ground pairs, 4 clock inputs, and dedicated Ethernet/USB/CAN signal groups.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Core power supply and ground | Multiple distributed pairs ensure stable 2.7–3.6 V operation under dynamic CPU/peripheral load; decoupling required per Renesas layout guidelines. |
| XTAL, EXTAL | Main crystal oscillator input/output | Supports 4–16 MHz external crystal for precise system clock generation; internal PLL multiplies to 100 MHz ICLK. |
| ETH_MDC, ETH_MDIO | Management Data Clock/IO | IEEE 802.3 MII management interface for PHY configuration and status readback - essential for auto-negotiation and link monitoring. |
| USB_VBUS, USB_ID | USB OTG detection signals | Enables automatic role switching between host and device mode; USB_ID determines OTG role, VBUS monitors upstream power presence. |
| TXD0, RXD0 | SCI0 asynchronous serial interface | Dedicated UART channel for debug console or legacy protocol bridging; supports baud rates up to 4 Mbps with fractional baud rate generator. |
| AD00–AD20 | Analog input channels | 21-pin group for 12-bit S12AD converter; includes internal sample-and-hold and selectable reference (VREFH/VSS). |
Key Features
| Feature | Design Value |
|---|---|
| Ethernet MAC + EDMAC | Integrated 10/100 Mbps MAC with dedicated 2 KB TX/RX FIFO and descriptor-based DMA - eliminates need for external Ethernet controller or FPGA glue logic. |
| USB 2.0 Host/Function/OTG | Single-port dual-role module with 2 KB on-chip RAM buffer - supports HID, CDC, and mass storage class devices without external RAM. |
| IEC60730 Safety Support | Hardware CRC engine, oscillation-stop detection, IWDT, and A/D self-test - reduces software certification effort for Class B appliance control. |
| Flexible Timer System | MTU2 (6 ch), TPU (12 ch), CMT (4 ch), and PPG (8 ch) - enables synchronized PWM generation, encoder counting, and precise time-capture for motor commutation. |
| Data Encryption Unit (DEU) | AES-128/192/256 in ECB/CBC modes with key scheduling in hardware - accelerates secure boot, encrypted firmware updates, and TLS stack operations. |
Applications
| Industrial Ethernet Gateway | Secure PLC Controller |
|---|---|
|
Use Scenario: Protocol translation between Modbus RTU field devices and cloud-connected Ethernet backbone. IC Role / Device Role / Timing Role: Central processing node running real-time OS, managing concurrent Ethernet TCP/IP stack, USB firmware update interface, and CAN bus polling. Use Value: On-chip Ethernet MAC and 2 MB flash eliminate external PHY and SPI NOR, reducing BOM cost and board area while maintaining deterministic 100 Mbps throughput. |
Use Scenario: Safety-rated programmable logic controller executing ladder logic with encrypted program storage and runtime integrity checks. IC Role / Device Role / Timing Role: Main controller executing IEC61131-3 code, performing cyclic I/O scan, and enforcing watchdog supervision across all safety functions. Use Value: Integrated CRC calculator, IWDT, and A/D self-diagnostic enable Class B compliance per IEC60730 without external safety monitor IC. |
| Networked HVAC Controller | Smart Energy Meter Hub |
|
Use Scenario: Multi-sensor HVAC unit with temperature, humidity, and airflow monitoring, connected via Ethernet for remote diagnostics and demand-response commands. IC Role / Device Role / Timing Role: Sensor fusion processor with 12-bit A/D (21 ch) for analog inputs, RTC for time-stamped logging, and Ethernet for secure data upload. Use Value: On-chip 128 KB SRAM stores extended sensor history and encryption keys; hardware AES ensures firmware and metering data confidentiality. |
Use Scenario: Residential energy meter aggregator collecting data from sub-meters (via RS485/CAN) and transmitting to utility AMI infrastructure over Ethernet. IC Role / Device Role / Timing Role: Communication hub with dual CAN interfaces (3 mailboxes each), SCI for RS485, and Ethernet MAC for WAN backhaul. Use Value: 3-channel CAN with 32 mailboxes per channel supports concurrent communication with multiple sub-meters; 100 MHz CPU handles protocol translation and data compression. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit industrial MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F563NEDDFB | Same RX63N Group, identical 144-pin LQFP package, 2 MB flash, 128 KB SRAM, but lacks Ethernet MAC and uses lower-cost D version temp grade (-40 to +85°C). | No integrated Ethernet - requires external PHY and MAC controller or switch IC for network connectivity. | Select when Ethernet is unnecessary and cost reduction is critical; retains USB, CAN, and same peripheral set except ETHERC/EDMAC. |
| R5F566NHDFB | RX66N Group successor: 120 MHz RXv3 core, 2 MB flash, 384 KB SRAM, integrated Ethernet PHY (not just MAC), and enhanced security (TRNG, secure boot ROM). | Includes integrated 10/100 PHY, eliminating external PHY components; supports higher throughput and advanced security features not present in RX63N. | Choose for new designs requiring higher performance, built-in PHY, or enhanced security - not pin-compatible; requires PCB redesign. |
Compared with R5F56318CDFB#V0, R5F563NEDDFB removes Ethernet capability but maintains identical package and non-network peripherals, while R5F566NHDFB upgrades to RXv3 architecture with integrated PHY and stronger security - making it suitable for next-generation designs where footprint change is acceptable.
Availability
R5F56318CDFB#V0 is available at Aetrix Electronics and suitable for industrial automation gateways, secure PLC controllers, networked HVAC systems, and smart energy meter hubs requiring stable component supply, long-term lifecycle support, and guaranteed traceability.
Supply support for R5F56318CDFB#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, and power solutions for automotive, industrial, and IoT markets.
The RX63N Group, including R5F56318CDFB#V0, was designed for industrial networking applications requiring integrated Ethernet, real-time determinism, functional safety, and secure firmware execution - targeting factory automation, building control, and energy infrastructure.
FAQ
What is the maximum operating frequency and CPU performance of the R5F56318CDFB#V0?
The R5F56318CDFB#V0 operates at a maximum frequency of 100 MHz and delivers 165 DMIPS using the RXv1 32-bit CPU core with single-precision IEEE-754 FPU. Its performance is validated under worst-case conditions with full peripheral enablement, supporting real-time control algorithms and protocol stacks without external acceleration.
Does the R5F56318CDFB#V0 include an integrated Ethernet PHY or only a MAC?
The R5F56318CDFB#V0 includes only an Ethernet MAC (ETHERC) compliant with IEEE 802.3, supporting MII and RMII interfaces. It requires an external PHY IC for physical layer signaling - unlike later RX66N devices that integrate both MAC and PHY. This design allows flexible PHY selection (e.g., for ESD robustness or low-power modes).
What are the memory resources available on the R5F56318CDFB#V0?
The R5F56318CDFB#V0 provides 2 Mbytes of on-chip flash memory (100 MHz, zero-wait), 128 Kbytes of SRAM (no-wait), and 32 Kbytes of reprogrammable data flash rated for 100,000 erase/write cycles. All memory is accessible via the 32-bit bus with MPU protection, enabling secure code partitioning and robust firmware updates.
Which communication interfaces does the R5F56318CDFB#V0 support for industrial protocols?
The R5F56318CDFB#V0 supports CAN 2.0B (3 modules, 32 mailboxes each), multiple SCI channels configurable as UART/RS485/IrDA, I2C (4 channels, up to 1 Mbps), RSPI (3 channels), and IEBus - enabling native implementation of Modbus, CANopen, DeviceNet, and proprietary fieldbus protocols without external protocol accelerators.
Is the R5F56318CDFB#V0 qualified for functional safety standards like IEC60730?
Yes, the R5F56318CDFB#V0 includes hardware features required for IEC60730 Class B compliance: oscillation-stop detection, CRC calculator (with three polynomials), independent watchdog timer (IWDT), and self-diagnostic capability for the 10-bit A/D converter. These are documented in Renesas Application Note R01AN1719EU0100.
R5F56318CDFB#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 144-LQFP
- Series:
- RX600
- Packaging:
- Tray
- Product Status:
- Discontinued at Digi-Key
- Programmable:
- Not Verified
- Core Processor:
- RX
- Core Size:
- 32-Bit Single-Core
- Speed:
- 100MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, LINbus, SCI, SPI, USB
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 111
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 32K x 8
- RAM Size:
- 128K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 8x10b, 21x12b; D/A 2x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F56318CDFB#V0 FAQ
1.How can I place an order for R5F56318CDFB#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F56318CDFB#V0 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for R5F56318CDFB#V0 reliable?
The price and inventory of R5F56318CDFB#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F56318CDFB#V0 is usually 5 days.
3.What payment methods are accepted for R5F56318CDFB#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F56318CDFB#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F56318CDFB#V0?
R5F56318CDFB#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F56318CDFB#V0 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for R5F56318CDFB#V0?
For technical support, including R5F56318CDFB#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F56318CDFB#V0 requirements.
6.How does Aetrix verify that R5F56318CDFB#V0 is sourced from the original manufacturer or authorized distributors?
All R5F56318CDFB#V0 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that R5F56318CDFB#V0 meets industry standards.
7.What is the process for return or replacement of R5F56318CDFB#V0?
All R5F56318CDFB#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F56318CDFB#V0, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The R5F56318CDFB#V0 part is unused and in its original packaging.
Return procedure for R5F56318CDFB#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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