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Renesas R5F56316SGFB#V0
- Part No.:
- R5F56316SGFB#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R5F56316SGFB#V0.pdf
- Description:
- 32BIT MCU RX631
- Quantity:
- Payment:
- Shipping:
Inventory:3,765
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Product details
Overview
R5F56316SGFB#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 memory, and 192 KB SRAM. It operates from a 2.7–3.6 V supply, supports -40 to +85°C industrial temperature range, and targets networked industrial control, building automation gateways, and embedded HMI systems requiring deterministic real-time response and secure connectivity.
For engineers reviewing the R5F56316SGFB#V0 datasheet, R5F56316SGFB#V0 pinout, R5F56316SGFB#V0 application, or R5F56316SGFB#V0 equivalent, key selection criteria include Ethernet MAC support (MII/RMII), USB 2.0 host/function/OTG capability, 3-channel CAN compliance with ISO11898-1, 21-channel 12-bit A/D converter with sample-and-hold, and AES-128/192/256 encryption via DEU - all in a 176-pin LQFP package.
Technical Context
The R5F56316SGFB#V0 implements the 32-bit RX CPU core with CISC Harvard architecture, 5-stage pipeline, and variable-length instructions enabling ultra-compact code. It integrates dedicated hardware accelerators including a 32-bit multiplier (1-cycle execution), divider (2-cycle), and DSP-oriented multiply-accumulate units for both register-to-register and memory-to-memory operations.
Its peripheral subsystem includes an Ethernet controller (ETHERC) with MII/RMII interface and dedicated EDMAC DMA channel, three independent CAN modules (32 mailboxes each), four I²C interfaces (one FM+), and a parallel data capture unit (PDC) supporting image sensor interfacing - all synchronized to configurable clock domains (ICLK up to 100 MHz, PCLK up to 50 MHz).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RX 32-bit CISC Harvard with 5-stage pipeline and variable-length instructions |
| Max Operating Frequency | 100 MHz system clock (ICLK), enabling 165 DMIPS performance |
| Flash Memory | 1.5 MB on-chip main flash, zero-wait-state operation at 100 MHz |
| SRAM | 192 KB on-chip SRAM, zero-wait-state access for instructions and operands |
| A/D Converter | 21-channel 12-bit S12AD with 1.0 µs conversion time at 50 MHz PCLK |
| Ethernet Interface | IEEE 802.3-compliant MAC supporting 10/100 Mbps full/half-duplex with MII/RMII |
| Crypto Engine | Data Encryption Unit (DEU) supporting AES-128/192/256 in ECB/CBC modes |
| Operating Temperature | -40°C to +85°C (D version), validated for industrial ambient conditions |
Pinout & Package
Package: PLQP0176KB-A - 176-pin LQFP, 24 × 24 mm body, 0.5 mm pitch, exposed pad for thermal management.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual 2.7–3.6 V supply domains (core/analog/USB); 133 I/O pins with 5-V tolerance on 18 pins |
| MTCLKA–D, PCLK, ICLK | Peripheral/system clock inputs | Configurable clock sources for MTU2/TPU timers; independent division/multiplication per domain |
| RMII_TXD[1:0], RMII_RXD[1:0], RMII_CRS_DV, RMII_REF_CLK | Ethernet physical layer interface | Direct RMII connection to PHY without external glue logic; supports 50 MHz reference clock |
| USB_DP / USB_DM | USB 2.0 differential data pair | Full-speed (12 Mbps) host/function/OTG operation with integrated transceiver and 2 KB buffer RAM |
| CAN_TX0 / CAN_RX0 | Channel 0 CAN bus interface | ISO11898-1-compliant differential signaling; 32 mailbox FIFO with priority arbitration |
| AD000–AD020 | Analog input channels | 21 dedicated 12-bit A/D inputs with shared sample-and-hold; supports external trigger or timer-synchronized sampling |
Key Features
| Feature | Design Value |
|---|---|
| Floating-point unit (FPU) | Single-precision IEEE-754 compliant unit enabling deterministic math for motor control and signal processing |
| Memory Protection Unit (MPU) | Hardware-enforced memory access control across 16 regions, supporting RTOS task isolation and safety certification |
| Real-time debugging | JTAG and two-wire FINE interfaces with E1/E20 emulator support for non-intrusive trace and breakpoint debugging |
| Low-power operation | Four power modes (sleep, module-stop, software standby, deep software standby); 500 µA/MHz active current draw |
| Secure boot & encryption | On-chip DEU with AES-128/192/256 and CRC calculator supporting IEC60730 Class B self-test requirements |
| Industrial I/O flexibility | 133 general-purpose I/O pins with programmable pull-up, open-drain, 5-V tolerance, and port output enable (POE2) |
Applications
| Industrial Ethernet Gateway | Building Automation Controller |
|---|---|
Use Scenario: Protocol translation between Modbus TCP, BACnet/IP, and fieldbus networks in HVAC and lighting systems. IC Role / Device Role / Timing Role: Primary MCU executing real-time protocol stacks, managing Ethernet frame parsing, and coordinating CAN/RS485 fieldbus communication. Use Value: Integrated ETHERC + EDMAC offloads 90% of packet handling from CPU; 100 MHz RX core ensures sub-10 ms cycle times for deterministic control loops. |
Use Scenario: Centralized control unit for fire alarm panels, access control systems, and energy monitoring dashboards. IC Role / Device Role / Timing Role: System-on-chip managing multi-sensor A/D acquisition (temperature, CO₂, occupancy), encrypted data logging, and secure remote firmware updates. Use Value: 21-channel 12-bit A/D with sample-and-hold enables simultaneous sampling of 8 analog sensors; DEU provides AES-256 encryption for OTA update integrity. |
| Embedded HMI Terminal | Networked Motor Drive Interface |
Use Scenario: Touch-enabled operator interface for PLC-based machinery with local graphics rendering and cloud telemetry upload. IC Role / Device Role / Timing Role: Application processor running lightweight GUI framework, managing USB HID peripherals, and buffering Ethernet telemetry packets. Use Value: USB 2.0 host/function/OTG supports plug-and-play touch controllers and flash drives; 192 KB SRAM accommodates double-buffered framebuffer and protocol stack buffers. |
Use Scenario: Intelligent drive interface module converting EtherCAT commands to PWM outputs for servo amplifiers in CNC equipment. IC Role / Device Role / Timing Role: Real-time motion controller generating synchronized PWM waveforms while maintaining Ethernet synchronization via distributed clocks. Use Value: MTU2 and TPU timers deliver precise complementary PWM with dead-time insertion; 100 MHz core ensures <1 µs jitter in position loop timing. |
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 |
|---|---|---|---|
| R5F56318SGFB#V0 | 2 MB flash, 256 KB SRAM, same package and peripheral set | Higher firmware storage headroom for dual-bank OTA updates and larger protocol stacks | Select when future firmware growth or secure bootloader partitioning requires >1.5 MB flash |
| R5F56306SGFB#V0 | 768 KB flash, 128 KB SRAM, identical clock/peripheral specs and pinout | Cost-optimized variant for fixed-function controllers with minimal code footprint | Select when application fits within 768 KB flash and does not require extended data logging or UI assets |
Compared with R5F56316SGFB#V0, R5F56318SGFB#V0 offers scalable flash/SRAM for evolving feature sets, while R5F56306SGFB#V0 reduces BoM cost without sacrificing real-time performance or peripheral functionality - both maintain identical Ethernet, CAN, USB, and crypto capabilities in the same 176-pin LQFP footprint.
Availability
R5F56316SGFB#V0 is available at Aetrix Electronics and suitable for industrial Ethernet gateways, building automation controllers, and embedded HMI terminals requiring stable component supply, long-term lifecycle assurance, and qualified sourcing for production ramp.
Supply support for R5F56316SGFB#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 is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RX63N Group, including R5F56316SGFB#V0, was designed for deterministic real-time industrial networking applications requiring integrated Ethernet, USB, CAN, and cryptographic acceleration - targeting IEC60730 Class B compliance and functional safety readiness.
FAQ
What is the maximum operating frequency and core performance of the R5F56316SGFB#V0?
The R5F56316SGFB#V0 operates at a maximum frequency of 100 MHz and delivers 165 DMIPS of processing performance using its 32-bit RX CPU core. This performance level is achieved with zero-wait-state execution from its 1.5 MB on-chip flash memory and is sustained across the full -40°C to +85°C industrial temperature range. The R5F56316SGFB#V0 also includes a single-precision IEEE-754 floating-point unit for deterministic math operations required in motor control and sensor fusion applications.
Does the R5F56316SGFB#V0 support Ethernet connectivity, and what interface options are available?
Yes, the R5F56316SGFB#V0 integrates a full IEEE 802.3-compliant Ethernet MAC supporting both 10 Mbps and 100 Mbps operation in full- and half-duplex modes. It provides Media Independent Interface (MII) and Reduced MII (RMII) pinouts, allowing direct connection to standard Ethernet PHYs without external logic. The dedicated EDMAC DMA controller handles frame transmission and reception independently of the CPU, reducing interrupt overhead and ensuring deterministic latency for time-critical network protocols.
What analog-to-digital conversion capabilities does the R5F56316SGFB#V0 provide?
The R5F56316SGFB#V0 features a 21-channel 12-bit successive-approximation A/D converter (S12AD) with a 1.0 µs conversion time when operating with a 50 MHz peripheral clock (PCLK). It includes a shared sample-and-hold circuit, supports scan mode (single or continuous), and accepts start triggers from software, timers (MTU2/TPU/TMR), or external pins. Additionally, it integrates an 8-channel 10-bit A/D converter (ADb) and a temperature sensor digitized through the 12-bit converter with ±1°C accuracy.
Is the R5F56316SGFB#V0 compatible with Renesas' debugging and development tools?
Yes, the R5F56316SGFB#V0 supports Renesas' E1 and E20 debug emulators via JTAG and the two-wire FINE interface. These tools enable non-intrusive real-time tracing, hardware breakpoints, memory inspection, and flash programming during development and validation. The R5F56316SGFB#V0 also supports on-board programming via the built-in serial interface and off-board parallel programming for high-volume manufacturing - all documented in the R01DS0098EJ0180 datasheet.
What security and functional safety features are integrated into the R5F56316SGFB#V0?
The R5F56316SGFB#V0 includes a 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 for data integrity verification. For functional safety, it provides oscillation-stoppage detection, self-diagnostic A/D functions, IWDT with dedicated LOCO clock, and MPU-based memory protection - collectively enabling compliance with IEC60730 Class B requirements for household and industrial appliances.
R5F56316SGFB#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:
- 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 ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F56316SGFB#V0 FAQ
1.How can I place an order for R5F56316SGFB#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F56316SGFB#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 R5F56316SGFB#V0 reliable?
The price and inventory of R5F56316SGFB#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F56316SGFB#V0 is usually 5 days.
3.What payment methods are accepted for R5F56316SGFB#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F56316SGFB#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F56316SGFB#V0?
R5F56316SGFB#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F56316SGFB#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 R5F56316SGFB#V0?
For technical support, including R5F56316SGFB#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F56316SGFB#V0 requirements.
6.How does Aetrix verify that R5F56316SGFB#V0 is sourced from the original manufacturer or authorized distributors?
All R5F56316SGFB#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 R5F56316SGFB#V0 meets industry standards.
7.What is the process for return or replacement of R5F56316SGFB#V0?
All R5F56316SGFB#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F56316SGFB#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 R5F56316SGFB#V0 part is unused and in its original packaging.
Return procedure for R5F56316SGFB#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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