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Renesas R5F56318SGFB#V0
- Part No.:
- R5F56318SGFB#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R5F56318SGFB#V0.pdf
- Description:
- 32BIT MCU RX631
- Quantity:
- Payment:
- Shipping:
Inventory:1,657
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Product details
Overview
R5F56318SGFB#V0 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, 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 embedded control applications requiring deterministic real-time response and secure connectivity.
For engineers reviewing the R5F56318SGFB#V0 datasheet, R5F56318SGFB#V0 pinout, R5F56318SGFB#V0 application, or R5F56318SGFB#V0 equivalent, key selection criteria include Ethernet MAC support (MII/RMII), USB 2.0 host/function/OTG capability, CAN v2.0B compliance with 32 mailboxes per channel, 12-bit A/D converter with 21 channels, and AES-128/192/256 encryption via DEU.
Technical Context
The R5F56318SGFB#V0 implements the RX CPU core with CISC Harvard architecture, 5-stage pipeline, and variable-length instructions enabling ultra-compact code density. It integrates dedicated hardware accelerators including a DMA controller (4 channels), EXDMA controller (2 channels), and EDMAC for Ethernet offloading - reducing CPU load during high-throughput frame processing.
Its clock system combines external crystal oscillator support (4–16 MHz), internal PLL, 125-kHz LOCO, and 50-MHz HOCO, with independent frequency division for ICLK (up to 100 MHz), PCLK (up to 50 MHz), FCLK (up to 50 MHz), and BCLK (up to 50 MHz). The MCU includes memory protection unit (MPU), JTAG/FINE debugging, and IEC60730 safety features such as oscillation-stop detection and CRC calculator.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RX 32-bit CISC core with 5-stage pipeline, 165 DMIPS @ 100 MHz |
| Max Operating Frequency | 100 MHz system clock (ICLK), enabling real-time deterministic execution |
| Flash Memory | 1.5 MB on-chip flash, 100 MHz zero-wait-state access for fast code execution |
| SRAM | 192 KB on-chip SRAM, no wait states, supports instruction + operand storage |
| Ethernet Interface | IEEE 802.3-compliant MAC supporting 10/100 Mbps, MII/RMII, flow control, WoL |
| A/D Converter | 21-channel 12-bit S12AD with 1.0 µs conversion time @ 50 MHz PCLK |
| Security Engine | Data Encryption Unit (DEU) supporting AES-128/192/256 in ECB/CBC modes |
Pinout & Package
Package: PLQP0176KB-A - 176-pin LQFP, 24 × 24 mm, 0.5 mm pitch, RoHS compliant, surface-mountable with standard reflow profile.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual 2.7–3.6 V domains (core/analog/USB); decoupling required per Renesas layout guidelines |
| XTAL / EXTAL | Main crystal oscillator input/output | Supports 4–16 MHz external crystal for precise system timing and PLL reference |
| ETH_MDC / ETH_MDIO | Ethernet management interface | IEEE 802.3-compliant MDIO bus for PHY register configuration and status monitoring |
| ETH_TXD[3:0] / ETH_RXD[3:0] | Ethernet data lanes | MII mode: 4-bit TX/RX data; RMII mode: 2-bit TX/RX + REF_CLK; requires impedance-controlled routing |
| USB_VBUS / USB_DP / USB_DM | USB 2.0 full-speed transceiver interface | Supports host/function/OTG operation; VBUS sensing enables role negotiation and power management |
| CAN0_TX / CAN0_RX | CAN v2.0B physical layer interface | 32-mailbox FIFO per CAN channel; differential signaling compliant with ISO 11898-1 |
Key Features
| Feature | Design Value |
|---|---|
| Floating-point unit (FPU) | Single-precision IEEE-754 compliant unit enabling efficient math-intensive firmware (e.g., motor control, sensor fusion) |
| Real-time clock (RTC) | Battery-backed calendar/clock with alarm, periodic interrupt, and time-capture on external event pins |
| Programmable pulse generator (PPG) | 32-channel pulse output triggered by MTU2/TPU, supporting precise waveform generation for LED dimming or encoder simulation |
| Temperature sensor | On-die ±1°C accuracy sensor digitized by 12-bit A/D, usable for thermal monitoring without external components |
| IEC60730 safety support | Integrated self-test functions: oscillation-stop detection, CRC calculator, IWDT, A/D diagnostic mode |
Applications
| Industrial Gateway | Smart Energy Meter |
|---|---|
Use Scenario: Aggregating Modbus RTU, CAN, and RS-485 fieldbus data into Ethernet/IP or MQTT for cloud telemetry. IC Role / Device Role / Timing Role: Central protocol translator and real-time scheduler with deterministic Ethernet frame handling and dual CAN interfaces. Use Value: Integrated Ethernet MAC + USB + CAN eliminates external PHY and bridge ICs; 192 KB SRAM buffers multi-protocol traffic without external RAM. | Use Scenario: High-accuracy electricity metering with tamper detection, tariff switching, and secure firmware updates over cellular backhaul. IC Role / Device Role / Timing Role: Secure metering SoC performing ADC sampling, cryptographic signing, RTC-based billing, and secure boot verification. Use Value: AES-256 DEU enables OTA update authentication; 12-bit A/D with sample-and-hold ensures <1% THD error in metrology-grade current/voltage measurement. |
| Building Automation Controller | Medical Diagnostic Interface |
Use Scenario: HVAC control panel integrating BACnet MS/TP, LonWorks, and Ethernet TCP/IP for centralized building management. IC Role / Device Role / Timing Role: Multi-protocol network controller with simultaneous SCI, I2C, and CAN peripherals managing sensor networks and actuator drivers. Use Value: 13 SCI channels support legacy fieldbus bridging; 4× I2C (1× FM+) enables direct connection to environmental sensors and display controllers. | Use Scenario: Portable ultrasound or ECG device requiring low-noise analog front-end interfacing, real-time signal processing, and encrypted patient data export. IC Role / Device Role / Timing Role: Signal acquisition and processing hub with synchronized 12-bit A/D sampling, FPU-accelerated FFT, and secure USB mass storage export. Use Value: On-chip 192 KB SRAM stores multiple waveform buffers; temperature sensor validates ADC reference stability during clinical operation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F563NKHDFB | Same package (PLQP0144KA-A), same 1.5 MB flash/SRAM, but 144-pin LQFP (vs. 176-pin) | Fewer GPIOs (111 vs. 133), reduced peripheral count (e.g., no PDC, fewer TPU channels) | Select when board space is constrained and full RX63N peripheral set is not required. |
| R5F563NECDFC | Same 176-pin LQFP package, identical pinout, but 2 MB flash and 128 KB SRAM (vs. 1.5 MB/192 KB) | Higher flash capacity suits larger firmware images; lower SRAM may limit multi-buffered Ethernet/USB stacks | Select when firmware size exceeds 1.5 MB but real-time SRAM bandwidth for concurrent protocols is less critical. |
Compared with R5F56318SGFB#V0, R5F563NKHDFB trades I/O count and peripheral richness for compactness, while R5F563NECDFC prioritizes code storage over data buffering - making R5F56318SGFB#V0 optimal for applications demanding balanced flash, SRAM, and full peripheral integration in industrial gateways.
Availability
R5F56318SGFB#V0 is available at Aetrix Electronics and suitable for industrial gateways, smart energy meters, building automation controllers, and medical diagnostic interfaces requiring stable component supply, long-term lifecycle assurance, and automotive-grade reliability under extended temperature operation.
Supply support for R5F56318SGFB#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 Corporation is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and infrastructure markets.
The RX63N Group, which includes R5F56318SGFB#V0, was designed for high-performance, secure, and safety-certifiable embedded applications requiring integrated Ethernet, USB, CAN, and cryptographic acceleration in harsh environments.
FAQ
What is the maximum operating frequency and core architecture of the R5F56318SGFB#V0?
The R5F56318SGFB#V0 operates at a maximum frequency of 100 MHz using the 32-bit RX CPU core with CISC Harvard architecture, 5-stage pipeline, and variable-length instructions. It delivers 165 DMIPS performance and includes a single-precision IEEE-754 floating-point unit. This architecture enables deterministic real-time execution and ultra-compact code density essential for resource-constrained industrial firmware.
Does the R5F56318SGFB#V0 support Ethernet connectivity, and what interface modes are available?
Yes, the R5F56318SGFB#V0 integrates a full IEEE 802.3-compliant Ethernet MAC supporting both 10 Mbps and 100 Mbps operation. It supports MII (Media Independent Interface) and RMII (Reduced MII) physical layer configurations, along with flow control (IEEE 802.3x) and Wake-on-LAN (WoL) functionality. The dedicated EDMAC hardware offloads frame processing to reduce CPU overhead during high-throughput network operations.
What are the memory resources available on the R5F56318SGFB#V0?
The R5F56318SGFB#V0 includes 1.5 MB of on-chip flash memory with zero-wait-state access at 100 MHz, 192 KB of high-speed SRAM (also zero-wait-state), and 32 KB of reprogrammable data flash rated for 100,000 erase/write cycles. These resources support complex protocol stacks, real-time buffering, and secure firmware updates without external memory expansion.
How does the R5F56318SGFB#V0 support functional safety standards like IEC60730?
The R5F56318SGFB#V0 incorporates multiple IEC60730-compliant safety features including oscillation-stoppage detection, built-in CRC calculator (with three polynomial options), independent watchdog timer (IWDT) with dedicated LOCO clock, self-diagnostic mode for the 10-bit A/D converter, and memory protection unit (MPU) for runtime memory access validation - all enabling Class B compliance in appliance and industrial control systems.
What communication interfaces are integrated into the R5F56318SGFB#V0 besides Ethernet?
In addition to Ethernet, the R5F56318SGFB#V0 integrates USB 2.0 full-speed host/function/OTG, three CAN 2.0B modules (32 mailboxes each), 13 SCI channels supporting UART/SPI/I²C emulation, four I²C interfaces (one FM+), three RSPI ports, one IEBus channel, and a parallel data capture unit (PDC). This comprehensive peripheral set enables seamless bridging between legacy fieldbuses and modern IP networks.
R5F56318SGFB#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 144-LQFP
- Series:
- RX600
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RX
- Core Size:
- 32-Bit
- Speed:
- 100MHz
- Connectivity:
- CANbus, EBI/EMI, Ethernet, 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 ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F56318SGFB#V0 FAQ
1.How can I place an order for R5F56318SGFB#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F56318SGFB#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 R5F56318SGFB#V0 reliable?
The price and inventory of R5F56318SGFB#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F56318SGFB#V0 is usually 5 days.
3.What payment methods are accepted for R5F56318SGFB#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F56318SGFB#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F56318SGFB#V0?
R5F56318SGFB#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F56318SGFB#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 R5F56318SGFB#V0?
For technical support, including R5F56318SGFB#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F56318SGFB#V0 requirements.
6.How does Aetrix verify that R5F56318SGFB#V0 is sourced from the original manufacturer or authorized distributors?
All R5F56318SGFB#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 R5F56318SGFB#V0 meets industry standards.
7.What is the process for return or replacement of R5F56318SGFB#V0?
All R5F56318SGFB#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F56318SGFB#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 R5F56318SGFB#V0 part is unused and in its original packaging.
Return procedure for R5F56318SGFB#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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