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Renesas R5F56318CDBG#U0
- Part No.:
- R5F56318CDBG#U0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 176-LFBGA
- Datasheet:
-
R5F56318CDBG#U0.pdf
- Description:
- IC MCU 32BIT 512KB FLSH 176LFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,012
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Product details
Overview
R5F56318CDBG#U0 from Renesas is a 100 MHz 32-bit RX63N Group microcontroller featuring an integrated Ethernet MAC, single-precision IEEE-754 FPU, 165 DMIPS performance, 768 KB 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 embedded control applications requiring real-time communication and deterministic processing.
For engineers reviewing the R5F56318CDBG#U0 datasheet, R5F56318CDBG#U0 pinout, R5F56318CDBG#U0 application, or R5F56318CDBG#U0 equivalent, this MCU delivers verified Ethernet MAC (10/100 Mbps), full-speed USB 2.0 host/function/OTG, three CAN channels, 13 SCI interfaces, and hardware AES encryption - all in a 176-pin LFBGA (PLBG0176GA-A) package with 133 general-purpose I/O pins.
Technical Context
The R5F56318CDBG#U0 implements the 32-bit RX CPU core with 5-stage CISC Harvard pipeline, supporting variable-length instructions and ultra-compact code density. It integrates dedicated DMA controllers (DMAC, EXDMAC, DTC) and a dedicated EDMAC for Ethernet offloading, enabling concurrent high-bandwidth peripheral transfers without CPU intervention.
Its clock system includes PLL-based 100 MHz ICLK generation, independent PCLK/FCLK/BCLK domains up to 50 MHz, and multiple on-chip oscillators (LOCO, HOCO, subclock). The MCU supports IEC60730-compliant safety features including oscillation-stop detection, CRC calculator, self-diagnostic A/D, and register write protection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RX 32-bit CISC Harvard architecture, 100 MHz max operation, 165 DMIPS @ 100 MHz |
| Memory | 768 KB on-chip flash (no wait states @ 100 MHz), 128 KB SRAM, 32 KB data flash (100k erase/write cycles) |
| Peripherals | Ethernet MAC (10/100 Mbps, MII/RMII), USB 2.0 host/function/OTG, 3× CAN (ISO11898-1), 13× SCI, 4× RIIC (1 Mbps), 3× RSPI |
| Analog | 21-channel 12-bit A/D converter (1 µs conversion @ 50 MHz PCLK), 8-channel 10-bit A/D, 2× 10-bit D/A, on-chip temperature sensor (±1°C) |
| Security & Safety | AES-128/192/256 (ECB/CBC), CRC calculator (3 polynomials), MPU, register write protection, IEC60730 diagnostic functions |
| Package & Environment | 176-pin LFBGA (PLBG0176GA-A, 13×13 mm, 0.8 mm pitch), 133 GPIO (5-V tolerant), -40 to +85°C operating range |
Pinout & Package
Package: PLBG0176GA-A - 176-pin Low-Profile Fine-Pitch Ball Grid Array, 13 mm × 13 mm, 0.8 mm ball pitch, RoHS-compliant, lead-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dedicated power domains for core (VCC), analog (AVCC0), USB (VCC_USB), and backup (VBATT); decoupling required per Renesas layout guidelines |
| XTAL / EXTAL | Main crystal oscillator input/output | Supports 4–16 MHz external crystal; enables PLL-based 100 MHz system clock; optional oscillation-stop detection |
| MD[2:0] | Mode selection pins | Configure boot mode (single-chip, ROM-enabled/disabled expansion); must be pulled high/low at reset for correct startup configuration |
| ETH_MDC / ETH_MDIO | Ethernet management interface | IEEE 802.3-compliant MDIO/MDC interface for PHY register access and configuration; requires external pull-up |
| USB_VBUS / USB_ID | USB OTG role detection | VBUS sensing enables host/device role negotiation; ID pin selects OTG function (host vs. peripheral) dynamically |
| SCIx_TXD / SCIx_RXD | Asynchronous serial I/O | Up to 13 configurable SCI channels support UART, smart card, SPI/I²C emulation, and LIN protocols with programmable baud rates |
Key Features
| Feature | Design Value |
|---|---|
| Ethernet MAC with EDMAC | Hardware-accelerated 10/100 Mbps Ethernet with 2 KB TX/RX FIFOs and descriptor-based DMA reduces CPU load by >70% in TCP/IP stack execution |
| Floating-point unit (FPU) | Single-precision IEEE-754 compliant unit enables deterministic real-time math (e.g., motor control algorithms) without software emulation overhead |
| IEC60730 safety support | Integrated oscillation-stop detection, CRC calculator, A/D self-test, and register lock mechanisms satisfy Class B functional safety requirements |
| Flexible clock domain control | Independent ICLK/PCLK/FCLK/BCLK dividers allow precise power/performance tuning - e.g., run CPU at 100 MHz while peripherals operate at 25 MHz |
| Hardware AES engine | Accelerates AES-128/192/256 encryption/decryption in ECB/CBC modes, reducing firmware crypto latency by >95% vs. software-only implementation |
Applications
| Industrial Ethernet Gateway | Smart Energy Metering |
|---|---|
Use Scenario: Protocol translation between Modbus RTU field devices and cloud-connected Ethernet backbone. IC Role / Device Role / Timing Role: Central controller executing real-time protocol stacks, managing dual-network interfaces, and performing secure data aggregation. Use Value: Integrated Ethernet MAC + USB + CAN eliminates external PHY and bridge ICs; 768 KB flash accommodates dual-stack firmware and OTA update partitioning. |
Use Scenario: DIN-rail mounted electricity meter with remote firmware updates and tamper-resistant logging. IC Role / Device Role / Timing Role: Primary measurement and communications processor handling metrology ADC sampling, secure storage, and encrypted Ethernet reporting. Use Value: On-chip 12-bit A/D with sample-and-hold and temperature sensor enable direct shunt-based current sensing; AES engine secures firmware and usage logs. |
| Building Automation Controller | Medical Diagnostic Interface |
Use Scenario: HVAC zone controller integrating BACnet MS/TP over RS485 and BACnet/IP over Ethernet. IC Role / Device Role / Timing Role: Real-time scheduler managing multi-protocol communication, PID loop execution, and event-triggered logging. Use Value: 13 SCI interfaces support simultaneous BACnet MS/TP, Modbus, and debug ports; 165 DMIPS ensures deterministic response under full network load. |
Use Scenario: Portable ultrasound device requiring low-latency image data capture and HIPAA-compliant transmission. IC Role / Device Role / Timing Role: High-throughput data acquisition controller interfacing with parallel image sensors via PDC and encrypting frames before Ethernet upload. Use Value: Parallel Data Capture Unit (PDC) enables direct sensor-to-RAM transfer; hardware AES ensures zero-latency encryption of sensitive patient data. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F563NEDDBG#U0 | Same package (PLBG0176GA-A), identical peripherals, but 2 MB flash instead of 768 KB | Suitable where larger firmware footprint or dual-bank OTA updates are required | Select R5F563NEDDBG#U0 if future firmware growth or secure bootloader partitioning demands >1 MB flash |
| R5F56318CDFP#U0 | Same core/peripherals, but 100-pin LQFP (PLQP0100KB-A) package with reduced I/O count (78 GPIO vs. 133) and no SDRAM interface | Better suited for cost-sensitive, space-constrained designs without external memory needs | Choose R5F56318CDFP#U0 when board area and BOM cost are prioritized over I/O count and external bus expansion |
Compared with R5F56318CDBG#U0, R5F563NEDDBG#U0 offers greater flash headroom for complex protocol stacks, while R5F56318CDFP#U0 trades I/O and memory expansion for compactness and lower assembly cost - both retain identical Ethernet, USB, CAN, and security functionality.
Availability
R5F56318CDBG#U0 is available at Aetrix Electronics and suitable for industrial automation, building management systems, and medical diagnostics requiring stable component supply, long-term lifecycle support, and automotive-grade reliability validation.
Supply support for R5F56318CDBG#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, and power solutions for industrial, automotive, and IoT markets.
The RX63N Group, which includes R5F56318CDBG#U0, was designed for real-time industrial networking applications demanding integrated Ethernet, functional safety compliance, and deterministic processing - bridging the gap between legacy 8/16-bit MCUs and high-end application processors.
FAQ
What is the maximum operating frequency and core architecture of the R5F56318CDBG#U0?
The R5F56318CDBG#U0 operates at a maximum frequency of 100 MHz using the 32-bit RX CPU core with a 5-stage CISC Harvard pipeline. It delivers 165 DMIPS performance and includes single-precision IEEE-754 floating-point support. This architecture enables deterministic real-time execution critical for industrial control loops and protocol stacks in the R5F56318CDBG#U0.
Does the R5F56318CDBG#U0 include an Ethernet controller, and what standards does it support?
Yes, the R5F56318CDBG#U0 integrates a full-featured Ethernet MAC supporting IEEE 802.3 10/100 Mbps operation in full- and half-duplex modes. It complies with MII and RMII physical layer interfaces, IEEE 802.3x flow control, and Magic Packet™ wake-on-LAN. These capabilities are native to the RX63N Group and absent in the RX631 Group - confirming R5F56318CDBG#U0's classification.
What memory resources are available on the R5F56318CDBG#U0?
The R5F56318CDBG#U0 provides 768 KB of on-chip flash memory (executed at 100 MHz with zero wait states), 128 KB of SRAM, and 32 KB of reprogrammable data flash rated for 100,000 erase/write cycles. Flash supports background programming/erasing, and SRAM includes deep software standby backup capability - all confirmed in the R01DS0098EJ0180 datasheet for R5F56318CDBG#U0.
Which communication interfaces are integrated into the R5F56318CDBG#U0?
The R5F56318CDBG#U0 integrates Ethernet MAC, full-speed USB 2.0 host/function/OTG, three CAN 2.0B modules (32 mailboxes each), 13 SCI channels (supporting UART, SPI/I²C emulation, LIN), four I²C interfaces (one FM+), three RSPI channels, and one IEBus channel. All are documented in the RX63N Group specification R01DS0098EJ0180 applicable to R5F56318CDBG#U0.
What safety and security features does the R5F56318CDBG#U0 provide?
The R5F56318CDBG#U0 includes hardware AES-128/192/256 encryption, CRC calculator with three polynomials, memory protection unit (MPU), register write protection, oscillation-stop detection, and A/D self-diagnostic functions - collectively satisfying IEC60730 Class B requirements. These features are explicitly listed for the RX63N Group in the official Renesas documentation for R5F56318CDBG#U0.
R5F56318CDBG#U0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 176-LFBGA
- 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:
- 133
- 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:
R5F56318CDBG#U0 FAQ
1.How can I place an order for R5F56318CDBG#U0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F56318CDBG#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 R5F56318CDBG#U0 reliable?
The price and inventory of R5F56318CDBG#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F56318CDBG#U0 is usually 5 days.
3.What payment methods are accepted for R5F56318CDBG#U0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F56318CDBG#U0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F56318CDBG#U0?
R5F56318CDBG#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F56318CDBG#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 R5F56318CDBG#U0?
For technical support, including R5F56318CDBG#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F56318CDBG#U0 requirements.
6.How does Aetrix verify that R5F56318CDBG#U0 is sourced from the original manufacturer or authorized distributors?
All R5F56318CDBG#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 R5F56318CDBG#U0 meets industry standards.
7.What is the process for return or replacement of R5F56318CDBG#U0?
All R5F56318CDBG#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F56318CDBG#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 R5F56318CDBG#U0 part is unused and in its original packaging.
Return procedure for R5F56318CDBG#U0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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