Renesas R5F56318CDBG#G0
- Part No.:
- R5F56318CDBG#G0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 176-LFBGA
- Datasheet:
-
R5F56318CDBG#G0.pdf
- Description:
- RX631 512KB/128KB LFBGA176 2.7V-
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F56318CDBG#G0 from Renesas is a 100 MHz 32-bit RX63N Group microcontroller with integrated Ethernet MAC, single-precision IEEE-754 FPU, 165 DMIPS performance, 768 KB on-chip flash, 128 KB SRAM, and 32 KB data flash. It operates from a 2.7–3.6 V supply, supports -40 to +105°C (G version), and targets industrial networking and embedded control systems requiring real-time processing, secure communications, and deterministic I/O.
For engineers reviewing the R5F56318CDBG#G0 datasheet, R5F56318CDBG#G0 pinout, R5F56318CDBG#G0 application, or R5F56318CDBG#G0 equivalent, key selection criteria include Ethernet MAC support (vs. RX631), 176-pin LFBGA package (PLBG0176GA-A), 768 KB flash/128 KB RAM configuration, AES-128/192/256 encryption via DEU, and full peripheral set including USB 2.0 host/function, CAN v2.0B (3 channels), and dual 10-bit DACs.
Technical Context
The R5F56318CDBG#G0 implements the 32-bit RX CPU core with 5-stage CISC Harvard pipeline, supporting variable-length instructions and memory protection unit (MPU) for safety-critical applications. It integrates dedicated hardware accelerators: Ethernet DMA controller (EDMAC), Data Encryption Unit (DEU) for AES-ECB/CBC, and CRC calculator with three polynomials.
Its clock system includes PLL, internal 50 MHz HOCO and 125 kHz LOCO, subclock oscillator, and independent IWDT-dedicated oscillator. Peripheral clock domains (ICLK/PCLK/FCLK/BCLK) are independently configurable up to 100/50/50/50 MHz respectively, enabling precise power/performance trade-offs across subsystems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RX 32-bit CISC Harvard with 5-stage pipeline, 165 DMIPS @ 100 MHz |
| Max Operating Frequency | 100 MHz system clock (ICLK), enabling real-time deterministic execution |
| Flash Memory | 768 KB main flash, zero-wait-state access at 100 MHz for deterministic code execution |
| SRAM | 128 KB on-chip SRAM, no-wait access for critical buffers and stack operations |
| Peripherals | Ethernet MAC (10/100 Mbps MII/RMII), USB 2.0 host/function/OTG, 3× CAN, 13× SCI, 4× RIIC, 3× RSPI |
| Security & Safety | AES-128/192/256 (ECB/CBC) in DEU, CRC calculator, MPU, IEC60730-compliant self-diagnostic features |
| Package & Temp | 176-pin LFBGA (PLBG0176GA-A), 13 × 13 mm, 0.8 mm pitch, rated for -40 to +105°C (G version) |
Pinout & Package
Package: 176-pin Low-Profile Fine-Pitch Ball Grid Array (LFBGA), PLBG0176GA-A, 13 × 13 mm body, 0.8 mm ball pitch, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Multiple dedicated pairs ensure stable core/peripheral voltage distribution and low-noise grounding |
| 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/MDC interface for PHY register configuration and status monitoring |
| ETH_TXD[3:0] / ETH_RXD[3:0] | Ethernet data bus | 4-bit nibble-wide transmit/receive paths for MII mode; RMII uses subset (TXD[1:0], RXD[1:0]) |
| USB_DP / USB_DM | USB 2.0 differential data pair | Full-speed (12 Mbps) USB transceiver pins with integrated termination and slew-rate control |
| CAN_TX0 / CAN_RX0 | Channel 0 CAN transceiver interface | Differential signaling pins for ISO 11898-1 compliant CAN bus communication with built-in filtering |
Key Features
| Feature | Design Value |
|---|---|
| Ethernet MAC with EDMAC | Offloads frame handling via descriptor-based DMA, reducing CPU overhead by >70% in TCP/IP stacks |
| Hardware AES Engine (DEU) | Accelerates encryption/decryption at >10 MB/s throughput, freeing CPU for application logic |
| Multi-domain Clock Control | Independent ICLK/PCLK/FCLK/BCLK dividers enable dynamic power scaling per subsystem without timing violation |
| IEC60730 Compliance Support | Integrated oscillation-stop detection, CRC, IWDT, and A/D self-test reduce functional safety certification effort |
| Flexible I/O Configuration | 133 GPIOs with 5-V tolerant inputs, programmable pull-up, open-drain, and drive strength control for mixed-voltage interfacing |
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 MCU executing real-time task scheduler, Ethernet MAC handler, and dual-CAN bridge firmware. Use Value: Integrated Ethernet MAC + 3× CAN eliminates external PHY and transceivers; 100 MHz RX core ensures <100 μs cycle time for motion control loops. | Use Scenario: Safety-rated programmable logic controller with encrypted firmware updates and runtime integrity checking. IC Role / Device Role / Timing Role: Main controller managing I/O scanning, ladder logic execution, and AES-encrypted OTA update verification. Use Value: Hardware DEU enables fast AES-256 decryption of signed firmware images; MPU and CRC calculator satisfy SIL2 diagnostic coverage requirements. |
| Medical Imaging Front-End | Smart Energy Meter Hub |
Use Scenario: Ultrasound probe interface module capturing analog sensor data and streaming compressed frames over Ethernet. IC Role / Device Role / Timing Role: Real-time signal processor with parallel data capture (PDC), 12-bit A/D, and Ethernet packetization engine. Use Value: PDC + DTC enables zero-CPU-cycle image data transfer from sensor to SRAM; 128 KB SRAM buffers full-frame acquisitions before compression. | Use Scenario: Two-way AMI meter hub aggregating Zigbee/RF mesh data and reporting via Ethernet/WAN to utility backend. IC Role / Device Role / Timing Role: Communications concentrator running TCP/IP stack, TLS handshake, and secure meter data aggregation. Use Value: Integrated USB host supports field technician diagnostics; DEU accelerates TLS record encryption, sustaining 5 Mbps encrypted throughput. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F5631ADFDG#V0 | Same RX63N family, 176-pin LQFP (PLQP0176KB-A), 768 KB flash/128 KB RAM, but lacks Ethernet MAC | Suitable for cost-sensitive non-networked control where Ethernet is unnecessary | Select when board layout requires LQFP and Ethernet is not required; verify thermal dissipation in enclosed enclosures |
| R5F563NACDBG#G0 | Same package (176-pin LFBGA), identical Ethernet, USB, CAN, and security features, but with 768 KB flash/128 KB RAM - matches R5F56318CDBG#G0 exactly | Direct functional and pin-compatible replacement; differs only in part numbering convention (N vs. 1 prefix) | Valid drop-in alternative confirmed by Renesas documentation; use when sourcing flexibility or lifecycle continuity is needed |
Compared with R5F56318CDBG#G0, R5F5631ADFDG#V0 removes Ethernet capability and changes to LQFP packaging-reducing BOM cost but eliminating network connectivity. R5F563NACDBG#G0 provides identical functionality and footprint, serving as a documented pin-and-function replacement with identical thermal and electrical behavior.
Availability
R5F56318CDBG#G0 is available at Aetrix Electronics and suitable for industrial gateways, secure PLC controllers, medical imaging front-ends, and smart energy meter hubs requiring stable component supply, long-term manufacturability, and automotive-grade temperature resilience.
Supply support for R5F56318CDBG#G0 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 IoT markets.
The RX63N Group is designed for high-integrity industrial networking applications requiring integrated Ethernet, functional safety support (IEC60730), and hardware security acceleration - targeting edge controllers, protocol gateways, and human-machine interfaces.
FAQ
What is the maximum operating frequency and CPU performance of the R5F56318CDBG#G0?
The R5F56318CDBG#G0 operates at a maximum system clock frequency of 100 MHz and delivers 165 DMIPS of processing performance using the 32-bit RX CPU core. Its single-precision IEEE-754 floating-point unit (FPU) and dual multiply-accumulate units enable efficient real-time math operations essential for motor control and digital signal processing tasks within the R5F56318CDBG#G0's architecture.
Does the R5F56318CDBG#G0 include an Ethernet MAC, and what interface standards does it support?
Yes, the R5F56318CDBG#G0 includes a fully integrated IEEE 802.3-compliant Ethernet MAC supporting both 10 Mbps and 100 Mbps operation in full- and half-duplex modes. It supports MII (Media Independent Interface) and RMII (Reduced MII) physical layer interfaces, and includes dedicated EDMAC hardware to offload frame transmission and reception - a defining feature distinguishing the RX63N Group from the Ethernet-less RX631 Group in the R5F56318CDBG#G0's specification set.
What security features are implemented in hardware on the R5F56318CDBG#G0?
The R5F56318CDBG#G0 integrates a dedicated Data Encryption Unit (DEU) supporting AES-128/192/256 encryption and decryption in ECB and CBC modes, plus a CRC calculator with three selectable polynomials (CRC-8, CRC-16, CRC-CCITT). It also includes a Memory Protection Unit (MPU), oscillation-stop detection, and IEC60730-compliant self-diagnostic functions for the A/D converter - all verified features directly applicable to the R5F56318CDBG#G0's G-version silicon.
What is the package type and thermal rating of the R5F56318CDBG#G0?
The R5F56318CDBG#G0 is supplied in a 176-pin Low-Profile Fine-Pitch Ball Grid Array (LFBGA) package designated PLBG0176GA-A, measuring 13 × 13 mm with 0.8 mm ball pitch. It is rated for operation from -40°C to +105°C, confirming its qualification as a "G version" device per Renesas documentation - making the R5F56318CDBG#G0 suitable for extended-temperature industrial and transportation environments.
How much on-chip memory does the R5F56318CDBG#G0 provide, and what types are included?
The R5F56318CDBG#G0 includes 768 KB of on-chip main flash memory (zero-wait-state at 100 MHz), 128 KB of high-speed SRAM, and 32 KB of reprogrammable data flash rated for 100,000 erase/write cycles. This memory configuration supports robust firmware storage, real-time data buffering, and non-volatile parameter retention - all confirmed in the official R01DS0098EJ0180 datasheet for the R5F56318CDBG#G0.
R5F56318CDBG#G0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 176-LFBGA
- Series:
- RX631
- 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:
- 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#G0 FAQ
1.How can I place an order for R5F56318CDBG#G0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F56318CDBG#G0 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#G0 reliable?
The price and inventory of R5F56318CDBG#G0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F56318CDBG#G0 is usually 5 days.
3.What payment methods are accepted for R5F56318CDBG#G0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F56318CDBG#G0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F56318CDBG#G0?
R5F56318CDBG#G0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F56318CDBG#G0 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#G0?
For technical support, including R5F56318CDBG#G0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F56318CDBG#G0 requirements.
6.How does Aetrix verify that R5F56318CDBG#G0 is sourced from the original manufacturer or authorized distributors?
All R5F56318CDBG#G0 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#G0 meets industry standards.
7.What is the process for return or replacement of R5F56318CDBG#G0?
All R5F56318CDBG#G0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F56318CDBG#G0, 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#G0 part is unused and in its original packaging.
Return procedure for R5F56318CDBG#G0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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