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Renesas R5F56318DDLK#U0
- Part No.:
- R5F56318DDLK#U0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 145-TFLGA
- Datasheet:
-
R5F56318DDLK#U0.pdf
- Description:
- IC MCU 32BIT 512KB FLSH 145TFLGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,767
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Product details
Overview
R5F56318DDLK#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 128 KB SRAM. It operates from a 2.7–3.6 V supply, supports -40 to +85°C temperature range, and targets industrial networking and real-time control applications requiring deterministic communication and secure firmware execution.
For engineers reviewing the R5F56318DDLK#U0 datasheet, R5F56318DDLK#U0 pinout, R5F56318DDLK#U0 application, or R5F56318DDLK#U0 equivalent, this MCU delivers verified Ethernet MAC (10/100 Mbps), full-speed USB 2.0 host/function/OTG, three CAN channels (ISO 11898-1), 12-bit A/D (21 ch), 10-bit D/A (2 ch), AES encryption (DEU), and RTC with battery backup - all in a 145-pin TFLGA package (PTLG0145KA-A).
Technical Context
The R5F56318DDLK#U0 implements the CISC Harvard-architecture RX CPU core with 5-stage pipeline, variable-length instructions, and memory protection unit (MPU). Its clock system integrates PLL, HOCO (50 MHz), LOCO (125 kHz), and subclock oscillator support for precise RTC and low-power operation.
Peripheral subsystems include dedicated EDMAC for Ethernet offload, DTC and DMAC for zero-CPU-transfer data movement, MTU2/TPU timers for PWM and encoder capture, and RIIC interfaces supporting 1 Mbps I²C. The device belongs to the RX63N Group - distinguished from RX631 by inclusion of Ethernet controller, SDRAM interface, and battery-backed RTC.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RX 32-bit CISC Harvard architecture with 5-stage pipeline, 100 MHz max frequency, 165 DMIPS performance |
| Memory | 1.5 MB on-chip flash (no wait states at 100 MHz), 128 KB SRAM (no wait states), 32 KB data flash (100k write cycles) |
| Analog Peripherals | 21-channel 12-bit A/D converter (1 µs conversion @ 50 MHz PCLK), 2-channel 10-bit D/A, on-die temperature sensor (±1°C) |
| Communication | Ethernet MAC (10/100 Mbps, MII/RMII), USB 2.0 host/function/OTG (full speed), 3× CAN (ISO 11898-1), 4× I²C (up to 1 Mbps), 13× SCI, 3× RSPI |
| Security & Timing | AES-128/192/256 encryption/decryption (ECB/CBC), RTC with calendar, alarm, time-capture, and battery backup support |
| Power & Environment | 2.7–3.6 V supply, 500 µA/MHz active current, four low-power modes, operating temperature: -40 to +85°C (D version) |
Pinout & Package
Package: 145-pin TFLGA (PTLG0145KA-A), 7 mm × 7 mm, 0.5 mm pitch, 0.75 mm height, RoHS-compliant, lead-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Core power supply and ground | 12 pairs distributed across package for stable 2.7–3.6 V operation and noise suppression |
| AVCC0, AVSS0 | Analog power and ground | Isolated analog domain for A/D and D/A converters; requires separate filtering from digital supply |
| XTAL, EXTAL | Main crystal oscillator input/output | Supports 4–16 MHz external crystal for precise system clock generation and PLL reference |
| ETH_MDC, ETH_MDIO | MDIO management interface | IEEE 802.3-compliant serial interface for PHY register configuration and status monitoring |
| ETH_TXD0–3, ETH_RXD0–3 | Ethernet data lanes | 4-bit transmit/receive data bus for MII mode; configurable for RMII (2-bit) via software and pin strapping |
| USB_VBUS, USB_DP, USB_DM | USB 2.0 physical interface | Dedicated full-speed transceiver pins supporting host, function, and OTG roles with internal pull-ups |
Key Features
| Feature | Design Value |
|---|---|
| Ethernet MAC with EDMAC | Offloads frame transmission/reception to dedicated DMA engine, reducing CPU load by >70% in TCP/IP stack operation |
| Hardware AES accelerator (DEU) | Enables real-time encryption/decryption of firmware updates or secure communications without degrading real-time task scheduling |
| RTC with battery backup | Maintains calendar and alarm functions during main power loss using VBATT (2.3–3.6 V), enabling wake-on-event in deep standby |
| Flexible clock system | Independent programmable dividers for ICLK (CPU), PCLK (peripherals), FCLK (Flash), and BCLK (external bus) enable precise power/performance tuning |
| IEC 60730 safety support | Includes oscillation-stop detection, CRC calculator, self-diagnostic A/D, IWDT, and frequency measurement - certified for Class B compliance |
Applications
| Industrial Ethernet Gateway | Secure PLC Controller |
|---|---|
Use Scenario: Protocol translation between Modbus RTU field devices and EtherNet/IP supervisory systems in factory automation. IC Role / Device Role / Timing Role: Primary application processor executing real-time OS, managing dual-network stacks (Ethernet + CAN), and handling deterministic I/O scanning. Use Value: Integrated Ethernet MAC + 3× CAN eliminates external PHY and transceivers; 100 MHz CPU ensures <100 µs cycle time for 100-node I/O mapping. |
Use Scenario: Safety-rated logic controller in packaging machinery requiring encrypted firmware updates and runtime integrity checks. IC Role / Device Role / Timing Role: Certified control MCU performing cyclic safety logic, AES-secured OTA updates, and watchdog-monitored motion sequencing. Use Value: Hardware DEU enables AES-256 decryption of signed firmware images in <5 ms; IEC 60730 features satisfy SIL2 functional safety requirements. |
| Energy Meter with Communication Hub | Building Automation Controller |
Use Scenario: Smart electricity meter aggregating consumption data and relaying via Ethernet, USB, and RS485 to utility head-end systems. IC Role / Device Role / Timing Role: Central data concentrator managing time-synchronized sampling (via RTC), secure data logging, and multi-interface telemetry upload. Use Value: Battery-backed RTC maintains accurate timestamping during mains outage; 12-bit A/D achieves 0.1% metering accuracy across 21 sensor inputs. |
Use Scenario: HVAC controller coordinating chillers, VAV boxes, and fire dampers using BACnet/IP over Ethernet and MS/TP over RS485. IC Role / Device Role / Timing Role: Network-aware embedded controller running BACnet stack, managing 13× SCI peripherals for legacy fieldbus bridging. Use Value: 13-channel SCI supports concurrent BACnet MS/TP, LonWorks, and proprietary protocols; Ethernet MAC enables direct IP commissioning without gateway hardware. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F563NEDDLK | Same RX63N Group, identical 145-pin TFLGA package, but with 2 MB flash (vs. 1.5 MB) and same 128 KB SRAM | Preferred where larger firmware image size or bootloader+application separation is required | Select R5F563NEDDLK if future firmware expansion or dual-bank OTA updates are needed; no PCB change required |
| R5F563NECDFC | LQFP-176 package (PLQP0176KB-A), 2 MB flash, 128 KB SRAM, adds SDRAM interface and external bus support | Suitable for applications needing external memory expansion or high-bandwidth peripheral interfacing (e.g., TFT display) | Choose R5F563NECDFC when external memory bandwidth or pin count for parallel interfaces is critical; requires PCB redesign |
Compared with R5F56318DDLK#U0, R5F563NEDDLK offers higher flash capacity in identical form factor for firmware scalability, while R5F563NECDFC trades compact TFLGA for LQFP-176 with expanded memory interface - making it better suited for display-rich or memory-intensive edge nodes.
Availability
R5F56318DDLK#U0 is available at Aetrix Electronics and suitable for industrial Ethernet gateways, secure PLC controllers, smart energy meters, and building automation systems requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for R5F56318DDLK#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 R5F56318DDLK#U0 - was designed for real-time industrial control with integrated Ethernet, functional safety features (IEC 60730), and hardware security (AES), targeting networked PLCs, HMIs, and intelligent sensors.
FAQ
What is the maximum operating frequency and core architecture of the R5F56318DDLK#U0?
The R5F56318DDLK#U0 operates at a maximum frequency of 100 MHz and uses the 32-bit RX CPU core with CISC Harvard architecture, 5-stage pipeline, and variable-length instruction set. It delivers 165 DMIPS performance and includes a single-precision IEEE-754 floating-point unit. This architecture enables deterministic real-time execution essential for industrial control loops and protocol stacks within the R5F56318DDLK#U0.
Does the R5F56318DDLK#U0 include an Ethernet controller, and what standards does it support?
Yes, the R5F56318DDLK#U0 includes a fully integrated Ethernet MAC compliant with IEEE 802.3, supporting 10/100 Mbps operation in full- and half-duplex modes. It implements MII and RMII physical layer interfaces per IEEE 802.3u and supports flow control (IEEE 802.3x) and Magic Packet™ wake-on-LAN. This Ethernet capability is a defining feature of the RX63N Group and is confirmed for the R5F56318DDLK#U0 in its 145-pin TFLGA configuration.
What are the memory resources available on the R5F56318DDLK#U0?
The R5F56318DDLK#U0 integrates 1.5 MB of on-chip flash memory (executed at 100 MHz with zero wait states), 128 KB of SRAM (also zero-wait), and 32 KB of reprogrammable data flash rated for 100,000 erase/write cycles. These memory resources are fixed for this specific part number and support robust firmware storage, real-time data buffering, and non-volatile parameter retention - all critical for reliable deployment of the R5F56318DDLK#U0 in industrial environments.
Which communication interfaces are supported by the R5F56318DDLK#U0 besides Ethernet?
Besides Ethernet, the R5F56318DDLK#U0 supports USB 2.0 host/function/OTG (full speed), three ISO 11898-1 CAN channels (32 mailboxes each), 13 SCI modules (with UART, SPI, I²C, LIN modes), four I²C interfaces (one FM+ capable, up to 1 Mbps), three RSPI ports, one IEBus channel, and a parallel data capture unit. All are silicon-verified for the R5F56318DDLK#U0 in its 145-pin TFLGA package per Renesas documentation.
Is the R5F56318DDLK#U0 suitable for functional safety applications, and what features support this?
Yes, the R5F56318DDLK#U0 includes multiple hardware features aligned with IEC 60730 Class B requirements: oscillation-stop detection, hardware CRC calculator (with three polynomials), independent watchdog timer (IWDT) with dedicated oscillator, self-diagnostic A/D converter test mode, and frequency measurement units. These capabilities are documented in the R01DS0098EJ0180 datasheet and are implemented in silicon for the R5F56318DDLK#U0, enabling certified safety firmware design.
R5F56318DDLK#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:
R5F56318DDLK#U0 FAQ
1.How can I place an order for R5F56318DDLK#U0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F56318DDLK#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 R5F56318DDLK#U0 reliable?
The price and inventory of R5F56318DDLK#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F56318DDLK#U0 is usually 5 days.
3.What payment methods are accepted for R5F56318DDLK#U0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F56318DDLK#U0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F56318DDLK#U0?
R5F56318DDLK#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F56318DDLK#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 R5F56318DDLK#U0?
For technical support, including R5F56318DDLK#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F56318DDLK#U0 requirements.
6.How does Aetrix verify that R5F56318DDLK#U0 is sourced from the original manufacturer or authorized distributors?
All R5F56318DDLK#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 R5F56318DDLK#U0 meets industry standards.
7.What is the process for return or replacement of R5F56318DDLK#U0?
All R5F56318DDLK#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F56318DDLK#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 R5F56318DDLK#U0 part is unused and in its original packaging.
Return procedure for R5F56318DDLK#U0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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