Renesas R5F56318SDLK#U0
- Part No.:
- R5F56318SDLK#U0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 145-TFLGA
- Datasheet:
-
R5F56318SDLK#U0.pdf
- Description:
- IC MCU 32BIT 512KB FLSH 145TFLGA
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F56318SDLK#U0 from Renesas is a 100 MHz 32-bit RX63N Group microcontroller with integrated Ethernet MAC, single-precision IEEE-754 FPU, 165 DMIPS performance, 1.5 MB on-chip flash memory, and 192 KB SRAM. It operates from a 2.7–3.6 V supply, supports -40 to +85°C temperature range, and targets industrial networking, gateway, and real-time control applications requiring deterministic timing and protocol offload.
For engineers reviewing the R5F56318SDLK#U0 datasheet, R5F56318SDLK#U0 pinout, R5F56318SDLK#U0 application, or R5F56318SDLK#U0 equivalent, key selection criteria include Ethernet MAC support (MII/RMII), 12-bit/10-bit A/D converters (21+8 channels), USB 2.0 host/function/OTG capability, CAN v2.0B (3 channels), and hardware AES encryption via DEU.
Technical Context
The R5F56318SDLK#U0 implements the RXv1 CPU core with 5-stage CISC Harvard pipeline, variable-length instructions, and MPU for memory protection. Its clock system integrates PLL, HOCO (50 MHz), LOCO (125 kHz), and subclock oscillator - enabling independent ICLK (100 MHz), PCLK (50 MHz), FCLK (50 MHz), and BCLK (50 MHz) domains.
It features dedicated DMA controllers: 4-channel DMAC, 2-channel EXDMAC, DTC, and a separate 1-channel EDMAC for Ethernet traffic offload. Peripheral integration includes MTU2 (6-channel), TPU (12-channel), RTC with battery backup, IWDT, and CRC calculator compliant with IEC60730 Class B functional safety requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv1 32-bit CISC Harvard architecture with 5-stage pipeline, 165 DMIPS @ 100 MHz |
| Max Operating Frequency | 100 MHz system clock (ICLK); enables real-time deterministic execution in industrial control loops |
| Flash Memory | 1.5 MB on-chip main flash, zero-wait-state access at 100 MHz, supports background programming |
| SRAM | 192 KB on-chip SRAM, zero-wait-state access, supports deep software standby backup |
| Ethernet Interface | IEEE 802.3-compliant MAC supporting 10/100 Mbps full/half-duplex, MII/RMII, WoL, and flow control (IEEE 802.3x) |
| A/D Converters | 21-channel 12-bit S12AD (1.0 µs conversion @ 50 MHz PCLK) + 8-channel 10-bit AD (with self-diagnostic) |
| Security & Safety | AES-128/192/256 ECB/CBC via DEU; CRC calculator with three polynomials; IEC60730 compliance functions |
Pinout & Package
Package: PLQP0176KB-A - 176-pin LQFP, 24 × 24 mm, 0.5 mm pitch, RoHS-compliant, surface-mountable.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual 2.7–3.6 V core/I/O supply rails; 133 general-purpose I/O pins with 5-V tolerance on 18 pins |
| XTAL / EXTAL | Main crystal oscillator input/output | Supports 4–16 MHz external crystal; required for high-accuracy Ethernet and USB timing |
| ETXD0–ETXD3, ETXEN, ETXER, ERXD0–ERXD3, ERXDV, ERXER | Ethernet PHY interface signals | MII mode interface; direct connection to external PHY without level-shifting or glue logic |
| USB_VBUS, USB_DP, USB_DM, USB_ID | USB 2.0 full-speed transceiver interface | Integrated transceiver supports host/function/OTG; VBUS sensing enables automatic role detection |
| MTU2_TIA0–TIA5, TIB0–TIB5 | Timer pulse unit outputs | 6-channel complementary PWM generation with dead-time insertion for motor control and power conversion |
| AN000–AN020 | Analog input channels | 21 dedicated 12-bit ADC inputs with sample-and-hold; supports simultaneous sampling of critical sensor pairs |
Key Features
| Feature | Design Value |
|---|---|
| Ethernet MAC + EDMAC | Hardware-accelerated frame handling with 2 KB TX/RX FIFOs reduces CPU load by >70% vs. software stack |
| USB 2.0 Host/Function/OTG | Single-port dual-role controller with 2 KB on-chip RAM buffer; eliminates need for external USB PHY or memory |
| Real-time Clock (RTC) | Battery-backed calendar/clock with alarm, periodic interrupt, time-capture, and ±30-second/year adjustment |
| IEC60730 Compliance Support | On-chip oscillation-stop detection, CRC calculator, IWDT, and A/D self-diagnostic meet Class B requirements |
| Flexible Clock System | Independent ICLK/PCLK/FCLK/BCLK domains allow optimized power/performance trade-offs per subsystem |
Applications
| Industrial Ethernet Gateway | Smart Energy Metering |
|---|---|
|
Use Scenario: Aggregating Modbus TCP, EtherNet/IP, and PROFINET fieldbus data into cloud-connected edge nodes. IC Role / Device Role / Timing Role: Primary protocol processor with hardware Ethernet MAC, dual CAN interfaces, and deterministic RTOS scheduling. Use Value: Eliminates external Ethernet PHY and FPGA glue logic; 100 MHz CPU ensures sub-100 µs cycle times for motion control synchronization. |
Use Scenario: High-accuracy electricity, gas, and water metering with tamper detection, secure firmware updates, and HAN communication. IC Role / Device Role / Timing Role: Secure metering SoC integrating 12-bit ADC for current/voltage sensing, AES encryption, and RTC for billing timestamping. Use Value: On-chip DEU enables AES-128 encrypted firmware OTA; 12-bit ADC achieves <±0.1% THD+N for revenue-grade metrology. |
| Building Automation Controller | Programmable Logic Controller (PLC) |
|
Use Scenario: HVAC, lighting, and access control hub managing BACnet/IP, KNX, and DALI networks across multi-floor facilities. IC Role / Device Role / Timing Role: Central network controller with multiple SCI/RSPI/I2C peripherals, Ethernet backbone, and real-time scheduling. Use Value: 13 SCI channels enable concurrent BACnet MS/TP, DALI, and RS-485 fieldbus bridging without external UART expanders. |
Use Scenario: Compact DIN-rail PLC executing ladder logic, motion profiling, and safety monitoring in factory automation cells. IC Role / Device Role / Timing Role: Real-time deterministic controller with MTU2/TPU PWM outputs, 21-channel ADC for analog I/O, and CAN for distributed I/O modules. Use Value: Hardware timer units deliver jitter-free 100 kHz PWM for servo drives; 192 KB SRAM accommodates large ladder logic programs and data buffers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F563NKHDFC | Same RX63N Group, 176-pin LQFP, 2 MB flash, 192 KB SRAM, identical peripheral set | Higher flash capacity supports larger protocol stacks (e.g., full TCP/IP + TLS) and firmware redundancy | Select when bootloader, dual-bank OTA, or extended fieldbus protocol support is required |
| R5F563NJDDFB | 144-pin LQFP variant, 1.5 MB flash, 256 KB SRAM, same core/peripherals but reduced I/O count (111 pins) | Smaller footprint suits space-constrained HMI panels or compact gateways where Ethernet + USB + CAN must coexist | Choose for cost-sensitive designs needing maximum SRAM and smaller package without sacrificing Ethernet or USB functionality |
Compared with R5F56318SDLK#U0, R5F563NKHDFC offers greater firmware headroom for security and connectivity expansion, while R5F563NJDDFB trades I/O count for higher SRAM and compactness - both retain identical Ethernet MAC, USB OTG, and CAN capabilities essential for industrial edge processing.
Availability
R5F56318SDLK#U0 is available at Aetrix Electronics and suitable for industrial gateways, smart metering systems, and building automation controllers requiring stable component supply, long-term lifecycle assurance, and automotive-grade reliability validation.
Supply support for R5F56318SDLK#U0 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 infrastructure markets.
The RX63N Group, including R5F56318SDLK#U0, was designed for real-time industrial networking applications demanding integrated Ethernet, USB, CAN, and functional safety - targeting gateway, PLC, and energy metering systems.
FAQ
What is the package type and pin count of the R5F56318SDLK#U0?
The R5F56318SDLK#U0 uses the PLQP0176KB-A package: a 176-pin LQFP measuring 24 × 24 mm with 0.5 mm pitch. This package provides 133 general-purpose I/O pins, 18 of which are 5-V tolerant, and supports full peripheral access including Ethernet MII, USB, CAN, and multiple serial interfaces. The R5F56318SDLK#U0 is not offered in BGA or TFLGA variants.
Does the R5F56318SDLK#U0 include an Ethernet MAC, and what PHY interfaces does it support?
Yes, the R5F56318SDLK#U0 integrates a full IEEE 802.3-compliant Ethernet MAC supporting 10/100 Mbps operation in full- and half-duplex modes. It supports both MII and RMII PHY interfaces via dedicated pins (ETXD0–ETXD3, ETXEN, ERXD0–ERXD3, etc.), enabling direct connection to standard Ethernet PHY ICs without external logic. The R5F56318SDLK#U0 does not include an internal PHY.
What are the memory resources available on the R5F56318SDLK#U0?
The R5F56318SDLK#U0 includes 1.5 MB of on-chip flash memory (zero-wait-state at 100 MHz), 192 KB of on-chip SRAM (zero-wait-state), and 32 KB of reprogrammable data flash rated for 100,000 erase/write cycles. Flash supports background programming, and SRAM retains content during deep software standby when backed by VBATT. The R5F56318SDLK#U0 has no external bus interface enabled in this configuration.
Is the R5F56318SDLK#U0 compatible with Renesas' E2 Studio and CS+ development tools?
Yes, the R5F56318SDLK#U0 is fully supported by Renesas' E2 Studio IDE and CS+ integrated development environment. It works with the E2 emulator (JTAG/FINE) and E20 emulator (JTAG) for debugging and programming. The R5F56318SDLK#U0 also supports Renesas' Smart Configurator for peripheral setup and auto-code generation, streamlining driver development for Ethernet, USB, and CAN modules.
What functional safety features does the R5F56318SDLK#U0 provide for IEC60730 compliance?
The R5F56318SDLK#U0 includes multiple hardware features for IEC60730 Class B compliance: oscillation-stop detection for main/subclocks, dedicated IWDT with independent 125 kHz LOCO clock, CRC calculator with configurable polynomials, self-diagnostic function for the 10-bit A/D converter, and memory protection unit (MPU). These features are documented in the R01DS0098EJ0180 datasheet and validated for use in safety-critical appliance and industrial control applications.
R5F56318SDLK#U0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 145-TFLGA
- Series:
- RX600
- Packaging:
- Tray
- Product Status:
- Not For New Designs
- 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:
R5F56318SDLK#U0 FAQ
1.How can I place an order for R5F56318SDLK#U0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F56318SDLK#U0 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 R5F56318SDLK#U0 reliable?
The price and inventory of R5F56318SDLK#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F56318SDLK#U0 is usually 5 days.
3.What payment methods are accepted for R5F56318SDLK#U0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F56318SDLK#U0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F56318SDLK#U0?
R5F56318SDLK#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F56318SDLK#U0 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 R5F56318SDLK#U0?
For technical support, including R5F56318SDLK#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F56318SDLK#U0 requirements.
6.How does Aetrix verify that R5F56318SDLK#U0 is sourced from the original manufacturer or authorized distributors?
All R5F56318SDLK#U0 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 R5F56318SDLK#U0 meets industry standards.
7.What is the process for return or replacement of R5F56318SDLK#U0?
All R5F56318SDLK#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F56318SDLK#U0, 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 R5F56318SDLK#U0 part is unused and in its original packaging.
Return procedure for R5F56318SDLK#U0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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