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Renesas R5F56316DDBG#U0
- Part No.:
- R5F56316DDBG#U0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 176-LFBGA
- Datasheet:
-
R5F56316DDBG#U0.pdf
- Description:
- IC MCU 32BIT 256KB FLSH 176LFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,225
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Product details
Overview
R5F56316DDBG#U0 from Renesas is a 100 MHz 32-bit RXv1 CPU-based microcontroller in the RX63N Group, featuring on-chip FPU (IEEE-754 single-precision), 165 DMIPS performance, 1.5 MB flash, 128 KB SRAM, and integrated Ethernet MAC (10/100 Mbps MII/RMII). It targets industrial networking gateways requiring deterministic real-time control, secure firmware updates, and dual CAN + USB 2.0 host/function connectivity.
For engineers reviewing the R5F56316DDBG#U0 datasheet, R5F56316DDBG#U0 pinout, R5F56316DDBG#U0 application, or R5F56316DDBG#U0 equivalent, key selection criteria include Ethernet controller presence (RX63N vs. RX631), 176-pin LFBGA package compatibility, 1.5 MB flash capacity, -40°C to +85°C operating range (D version), and DEU-based AES-128/192/256 encryption support for IEC 60730 Class B compliance.
Technical Context
The R5F56316DDBG#U0 implements the RXv1 core with Harvard architecture, 5-stage pipeline, and variable-length instructions-enabling ultra-compact code density. Its memory subsystem includes no-wait-state 100 MHz flash and SRAM, plus 32 KB data flash supporting background programming/erasing (100,000 cycles).
Peripheral integration centers on deterministic real-time I/O: dual CAN modules (32 mailboxes each), 13 SCI channels with LIN/Smart Card/I²C/SPI modes, 4-channel RIIC (1 Mbps), and dedicated EDMAC for Ethernet offloading. The device supports full IEC 60730 safety features including oscillation-stop detection, CRC calculator, and self-diagnostic A/D converter.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv1 32-bit CISC Harvard, 100 MHz max, 165 DMIPS @ 100 MHz - enables high-throughput deterministic control without external co-processors. |
| Flash Memory | 1.5 MB main flash, no wait states at 100 MHz - supports large embedded applications with fast boot and OTA update execution. |
| SRAM | 128 KB on-chip SRAM, no wait states - sufficient for real-time task stacks, Ethernet frame buffers, and CAN mailbox storage. |
| Ethernet Interface | IEEE 802.3-compliant MAC with MII/RMII, 10/100 Mbps full/half-duplex - enables direct connection to PHY without external switch or bridge IC. |
| A/D Converter | 21-channel 12-bit S12AD + 8-channel 10-bit AD, 1.0 μs conversion time @ 50 MHz PCLK - meets timing-critical sensor acquisition in motor control and power monitoring. |
| Security | Data Encryption Unit (DEU) with AES-128/192/256 ECB/CBC modes - provides hardware-accelerated firmware signing and encrypted communication for secure boot. |
| Package | 176-pin LFBGA (PLBG0176GA-A), 13 × 13 mm, 0.8 mm pitch - compatible with standard PCB assembly processes and thermal management for industrial ambient. |
Pinout & Package
Package: 176-pin LFBGA (PLBG0176GA-A), 13 × 13 mm body, 0.8 mm ball pitch, RoHS-compliant, lead-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | 2.7–3.6 V core I/O supply; 176-ball layout includes 24 dedicated VCC and 24 VSS balls for low-noise power integrity and EMI reduction. |
| MD[31:0] | External bus data lines | 32-bit multiplexed data bus supporting CS0–CS7 areas - enables direct connection to NOR/NAND flash, SRAM, or FPGA without glue logic. |
| ADDR[23:0] | External bus address lines | 24-bit address bus with independent endian selection per CS area - allows flexible memory mapping for heterogeneous peripheral interfaces. |
| ETXD[3:0] / ETX_EN / ETX_CLK | Ethernet transmit signals | MII interface pins for 10/100 Mbps transmission - require impedance-controlled routing (50 Ω differential) to external PHY. |
| ERXD[3:0] / ERX_DV / ERX_CLK | Ethernet receive signals | MII receive interface with DV strobe - supports full-duplex packet reception with minimal CPU overhead via EDMAC descriptor chaining. |
| USB_VBUS / USB_DP / USB_DM | USB 2.0 full-speed interface | Dedicated USB transceiver pins supporting host/function/OTG operation - VBUS sensing enables automatic role switching in embedded USB devices. |
| CAN0_TX / CAN0_RX / CAN1_TX / CAN1_RX | CAN transceiver I/O | Two independent ISO 11898-1 compliant CAN channels with 32 mailboxes each - supports multi-node industrial fieldbus with hardware filtering and FIFO buffering. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Ethernet MAC + EDMAC | Offloads TCP/IP stack processing via descriptor-based DMA; 2 KB TX/RX FIFO reduces CPU polling and interrupt load in networked control systems. |
| IEC 60730 Safety Support | Hardware-level diagnostics: oscillation-stop detection, frequency measurement, CRC calculator, IWDT, and A/D self-test - simplifies Class B certification effort. |
| Flexible Clock System | Multiple clock sources (HOCO/LOCO/subclock/PLL) with independent division/multiplication per domain (ICLK/PCLK/FCLK/BCLK) - enables precise power/performance tuning across subsystems. |
| Real-Time Timer Suite | MTU2 (6-channel), TPU (12-channel), CMT (4-channel), and RTC with battery backup - supports synchronized PWM generation, encoder counting, and time-stamped event capture. |
| Secure Firmware Execution | DEU AES engine + MPU + register write protection - enforces code/data isolation, prevents unauthorized flash modification, and accelerates encrypted firmware updates. |
Applications
| Industrial Ethernet Gateway | Building Automation Controller |
|---|---|
|
Use Scenario: Aggregating Modbus RTU/ASCII field devices into EtherNet/IP or PROFINET networks using protocol translation firmware. IC Role / Device Role / Timing Role: Primary MCU executing real-time protocol stack, managing dual CAN-to-Ethernet bridging, and handling secure OTA updates. Use Value: Integrated Ethernet MAC + dual CAN eliminates external bridge ICs; 1.5 MB flash stores multiple protocol stacks and encrypted firmware images. |
Use Scenario: Central HVAC controller interfacing with temperature sensors, actuators, and BACnet MS/TP fieldbus. IC Role / Device Role / Timing Role: Real-time scheduler coordinating 12-bit A/D sampling, PWM fan control, and RS485-based BACnet communication. Use Value: 21-channel 12-bit S12AD + 10-bit AD supports simultaneous multi-sensor acquisition; MTU2/TPU timers enable precise 0.1% duty-cycle PWM for energy-efficient actuation. |
| Secure PLC Communication Module | Medical Infusion Pump Controller |
|
Use Scenario: Retrofit module adding TLS-secured MQTT connectivity to legacy PLCs via serial or CAN interfaces. IC Role / Device Role / Timing Role: Secure edge node performing AES-256 encryption, certificate validation, and watchdog-monitored MQTT session management. Use Value: Hardware DEU accelerates TLS handshake by >10× vs. software-only; IWDT + CRC + MPU meet IEC 62443-3-3 SL2 requirements. |
Use Scenario: Battery-powered infusion pump requiring precise flow rate control, fault logging, and USB-based calibration. IC Role / Device Role / Timing Role: Safety-critical controller managing motor drivers, pressure sensors, and USB 2.0 function-mode calibration interface. Use Value: Independent watchdog timer (IWDT) with dedicated LOCO clock ensures fail-safe shutdown; USB function mode enables plug-and-play calibration without host driver installation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit industrial MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F56318DDBG#U0 | Same package and pinout; 2 MB flash, 128 KB SRAM - adds 512 KB flash capacity for larger protocol stacks or dual-bank firmware. | Preferred when OTA rollback, secure boot partitioning, or extended diagnostic logging require >1.5 MB code space. | Select R5F56318DDBG#U0 if future firmware growth or A/B update schemes demand additional flash headroom. |
| R5F56306DDBG#U0 | Same package; 768 KB flash, 128 KB SRAM - reduced flash capacity but identical peripheral set and speed grade. | Suitable for cost-sensitive applications where protocol stack footprint fits within 768 KB and no Ethernet bandwidth expansion is planned. | Choose R5F56306DDBG#U0 only if flash budget is confirmed ≤768 KB and no future feature expansion is expected. |
Compared with R5F56316DDBG#U0, R5F56318DDBG#U0 offers scalable flash for evolving firmware while maintaining identical timing, safety, and I/O - whereas R5F56306DDBG#U0 trades flash capacity for lower unit cost without altering real-time performance or peripheral capability.
Availability
R5F56316DDBG#U0 is available at Aetrix Electronics and suitable for industrial automation gateways, building management controllers, and medical device communication modules requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for R5F56316DDBG#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 automotive, industrial, and IoT markets.
The RX63N Group, including R5F56316DDBG#U0, was designed for deterministic real-time control in networked industrial equipment - integrating Ethernet, CAN, USB, and safety features into a single chip to reduce system complexity and certification burden.
FAQ
What is the maximum operating frequency and CPU performance of the R5F56316DDBG#U0?
The R5F56316DDBG#U0 operates at a maximum frequency of 100 MHz and delivers 165 DMIPS of processing performance using the 32-bit RXv1 CPU core. Its single-precision IEEE-754 floating-point unit and dual MAC units enable efficient signal processing and control loop computation without external math accelerators. This performance level is fully sustained across its rated temperature range of -40°C to +85°C.
Does the R5F56316DDBG#U0 include an Ethernet controller, and what interface standards does it support?
Yes, the R5F56316DDBG#U0 includes a full-featured Ethernet MAC compliant with IEEE 802.3, supporting both 10 Mbps and 100 Mbps speeds in full- and half-duplex modes. It implements MII and RMII physical layer interfaces as defined in IEEE 802.3u, and includes hardware support for Magic Packet™ wake-on-LAN and IEEE 802.3x flow control - all without requiring external PHY configuration registers.
What flash and RAM capacities are integrated in the R5F56316DDBG#U0?
The R5F56316DDBG#U0 integrates 1.5 MB of on-chip main flash memory and 128 KB of SRAM, both operating at full 100 MHz with zero wait states. It also includes 32 KB of reprogrammable data flash rated for 100,000 erase/write cycles, supporting background operations to avoid CPU stalls during firmware updates or parameter storage.
Which safety and security features does the R5F56316DDBG#U0 provide for certified industrial applications?
The R5F56316DDBG#U0 includes hardware features required for IEC 60730 Class B compliance: oscillation-stop detection, frequency measurement circuitry, CRC calculator with three polynomials, independent watchdog timer (IWDT) with dedicated LOCO clock, and self-diagnostic A/D converter test. Its Data Encryption Unit (DEU) supports AES-128/192/256 in ECB/CBC modes for secure firmware and communication.
What package type and pin count does the R5F56316DDBG#U0 use, and is it RoHS-compliant?
The R5F56316DDBG#U0 uses a 176-pin LFBGA package (PLBG0176GA-A) with 13 × 13 mm body size and 0.8 mm ball pitch. It is RoHS-compliant and lead-free, qualified for industrial temperature operation (-40°C to +85°C). The pinout supports full external bus expansion, dual CAN, USB 2.0, Ethernet MII/RMII, and 13 serial communication channels without multiplexing conflicts.
R5F56316DDBG#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:
- 256KB (256K 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:
R5F56316DDBG#U0 FAQ
1.How can I place an order for R5F56316DDBG#U0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F56316DDBG#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 R5F56316DDBG#U0 reliable?
The price and inventory of R5F56316DDBG#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F56316DDBG#U0 is usually 5 days.
3.What payment methods are accepted for R5F56316DDBG#U0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F56316DDBG#U0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F56316DDBG#U0?
R5F56316DDBG#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F56316DDBG#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 R5F56316DDBG#U0?
For technical support, including R5F56316DDBG#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F56316DDBG#U0 requirements.
6.How does Aetrix verify that R5F56316DDBG#U0 is sourced from the original manufacturer or authorized distributors?
All R5F56316DDBG#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 R5F56316DDBG#U0 meets industry standards.
7.What is the process for return or replacement of R5F56316DDBG#U0?
All R5F56316DDBG#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F56316DDBG#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 R5F56316DDBG#U0 part is unused and in its original packaging.
Return procedure for R5F56316DDBG#U0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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