Renesas R5F56316DGFB#V0
- Part No.:
- R5F56316DGFB#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R5F56316DGFB#V0.pdf
- Description:
- 32BIT MCU RX631
- Quantity:
- Payment:

- Shipping:

Inventory:1,309
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Product details
Overview
R5F56316DGFB#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 industrial temperature range, and targets networked embedded control applications such as industrial gateways and smart energy meters.
For engineers reviewing the R5F56316DGFB#V0 datasheet, R5F56316DGFB#V0 pinout, R5F56316DGFB#V0 application, or R5F56316DGFB#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, 21-channel 12-bit A/D converter with sample-and-hold, and AES-128/192/256 encryption via DEU.
Technical Context
The R5F56316DGFB#V0 implements the CISC Harvard-architecture RX CPU core with 5-stage pipeline, variable-length instructions, and memory protection unit (MPU). It integrates dedicated DMA controllers-including EXDMAC for TFT LCD transfer and EDMAC for Ethernet-plus DTC for peripheral-triggered transfers without CPU intervention.
Its clock system combines external crystal oscillator (4–16 MHz), internal PLL, 50 MHz HOCO, and 125 kHz LOCO for independent watchdog timing. The device supports four low-power modes (sleep, all-module clock stop, software standby, deep software standby) and battery-backed RTC operation down to 2.3 V on VBATT.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RX 32-bit CISC Harvard architecture with 5-stage pipeline, 165 DMIPS @ 100 MHz |
| Max Operating Frequency | 100 MHz system clock (ICLK), enabling real-time deterministic execution in industrial control loops |
| Flash Memory | 1.5 MB on-chip main flash, zero-wait-state access at 100 MHz for deterministic code execution |
| SRAM | 192 KB on-chip SRAM, no-wait access for both instruction and data, supports deep software standby backup |
| Ethernet Interface | IEEE 802.3-compliant MAC supporting 10/100 Mbps full/half-duplex, MII/RMII, and wake-on-LAN via Magic Packet detection |
| A/D Converter | 21-channel 12-bit S12AD with 1.0 μs conversion time @ 50 MHz PCLK and integrated sample-and-hold circuit |
| Security | Data Encryption Unit (DEU) supporting AES-128/192/256 in ECB/CBC modes for firmware and communication payload protection |
Pinout & Package
Package: PLQP0144KA-A - 144-pin LQFP, 20 × 20 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 core I/O supply domains; separate AVCC0 for analog peripherals ensures noise isolation for A/D and D/A converters |
| XTAL / EXTAL | Main crystal oscillator input/output | Supports 4–16 MHz external crystal for precise system clock generation; enables PLL multiplication to 100 MHz |
| ETH_MDC / ETH_MDIO | Ethernet management interface | IEEE 802.3-compliant MDIO bus for PHY register configuration and status monitoring |
| ETH_TXD[0:3] / ETH_RXD[0:3] | Ethernet transmit/receive data | MII interface pins; RMII mode uses subset (TXD0, TX_EN, RXD0, RX_ER, REF_CLK) to reduce pin count |
| USB_VBUS / USB_D+ / USB_D- | USB 2.0 full-speed transceiver | Integrated USB PHY supports host/function/OTG operation; VBUS sensing enables automatic role switching |
| CAN0_TX / CAN0_RX | CAN controller channel 0 interface | ISO 11898-1 compliant differential signaling; supports standard and extended frames with 32 configurable mailboxes |
Key Features
| Feature | Design Value |
|---|---|
| Ethernet MAC + EDMAC | Dedicated 2 KB Tx/Rx FIFO and descriptor-based DMA offloads TCP/IP stack processing from CPU, reducing latency in real-time protocols |
| USB 2.0 Host/Function/OTG | Single-port dual-role module with 2 KB on-chip RAM buffer enables field-upgradable firmware and plug-and-play peripheral connectivity |
| Multi-channel Timer System | MTU2 (6 channels), TPU (12 channels), and CMT (4 channels) provide synchronized PWM, input capture, and phase-counting for motor control and encoder interfacing |
| IEC 60730 Safety Support | Hardware CRC calculator, oscillation-stop detection, IWDT with dedicated clock, and A/D self-diagnostic enable Class B safety certification |
| Flexible Clock Architecture | Independent programmable dividers/multipliers for ICLK, PCLK, FCLK, and BCLK allow optimized power/performance trade-offs per subsystem |
Applications
| Industrial Ethernet Gateway | Smart Energy Meter |
|---|---|
Use Scenario: Aggregating Modbus RTU/ASCII devices over RS-485 and bridging to TCP/IP networks via Ethernet and optional cellular backhaul. IC Role / Device Role / Timing Role: Primary application processor executing protocol translation, real-time scheduling, and secure firmware updates. Use Value: Integrated Ethernet MAC and USB OTG eliminate external PHY and bridge ICs; 192 KB SRAM accommodates dual-bank OTA update buffers. |
Use Scenario: Measuring voltage, current, and power quality in three-phase utility meters with tamper detection and remote reporting. IC Role / Device Role / Timing Role: System-on-chip managing metrology ADC sampling, tariff calculation, secure data logging, and HPLC/G3-PLC communication. Use Value: 21-channel 12-bit A/D with sample-and-hold enables simultaneous sampling across phases; DEU encrypts consumption logs before transmission. |
| Programmable Logic Controller (PLC) I/O Module | Building Automation Controller |
Use Scenario: Distributed I/O node handling digital input filtering, PWM output driving, and analog sensor conditioning in modular PLC racks. IC Role / Device Role / Timing Role: Real-time I/O coordinator with deterministic timer-triggered A/D conversion and hardware-accelerated CRC for fieldbus integrity. Use Value: MTU2 and TPU timers deliver sub-microsecond jitter for servo control; 5-V tolerant GPIO simplifies interface to legacy 24 V industrial sensors. |
Use Scenario: HVAC controller integrating temperature/humidity sensing, valve actuation, fan speed control, and BACnet/IP or KNX IP communication. IC Role / Device Role / Timing Role: Central control MCU running real-time scheduler, PID loops, and network stack with local UI rendering via parallel bus interface. Use Value: Parallel data capture unit (PDC) supports direct image sensor input for occupancy detection; RTC with battery backup maintains schedule during power loss. |
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 |
|---|---|---|---|
| R5F563NEDDFB | Same RX63N Group, identical 144-pin LQFP package, but with 2 MB flash and 256 KB SRAM instead of 1.5 MB/192 KB | Higher firmware storage headroom for complex protocol stacks (e.g., TLS, MQTT-SN); larger SRAM supports multi-threaded RTOS with larger heap | Select R5F563NEDDFB when future firmware expansion or additional middleware layers are anticipated; pin-compatible with no PCB changes required |
| R5F5631ADGFB#V0 | Same package and flash/SRAM configuration (1.5 MB/192 KB), but belongs to RX631 Group - lacks Ethernet MAC and EDMAC | Suitable for cost-sensitive non-networked applications; eliminates Ethernet PHY BOM and layout complexity | Choose R5F5631ADGFB#V0 only if Ethernet connectivity is unnecessary; not a functional replacement for R5F56316DGFB#V0 in networked designs |
Compared with R5F563NEDDFB, R5F56316DGFB#V0 trades 512 KB flash and 64 KB SRAM for lower BOM cost and smaller footprint while retaining full Ethernet capability; versus R5F5631ADGFB#V0, it adds essential network infrastructure at the expense of higher power and design complexity.
Availability
R5F56316DGFB#V0 is available at Aetrix Electronics and suitable for industrial gateways, smart metering systems, and building automation controllers requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for R5F56316DGFB#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 is designed for high-performance, network-connected industrial control applications demanding real-time responsiveness, functional safety compliance (IEC 60730), and integrated connectivity including Ethernet, USB, and CAN.
FAQ
What is the maximum operating frequency and core architecture of the R5F56316DGFB#V0?
The R5F56316DGFB#V0 operates at a maximum frequency of 100 MHz using the 32-bit RX CPU core-a CISC Harvard architecture with 5-stage pipeline, variable-length instructions, and memory protection unit (MPU). Its 165 DMIPS performance and single-precision IEEE-754 FPU make R5F56316DGFB#V0 suitable for computationally intensive real-time control tasks in industrial environments.
Does the R5F56316DGFB#V0 support Ethernet connectivity, and what interfaces are available?
Yes, the R5F56316DGFB#V0 includes a fully integrated IEEE 802.3-compliant Ethernet MAC supporting 10/100 Mbps in full- and half-duplex modes. It provides both MII and RMII physical layer interfaces, along with ETH_MDC/MDIO for PHY management and Magic Packet wake-on-LAN detection. This makes R5F56316DGFB#V0 ideal for embedded networking applications without requiring external MAC or PHY components.
What are the memory resources available on the R5F56316DGFB#V0?
The R5F56316DGFB#V0 features 1.5 MB of on-chip flash memory with zero-wait-state access at 100 MHz, 192 KB of high-speed SRAM usable for both instructions and data, and 32 KB of reprogrammable data flash rated for 100,000 erase/write cycles. These memory resources enable robust firmware partitioning, real-time data buffering, and secure parameter storage in R5F56316DGFB#V0-based industrial systems.
How does the R5F56316DGFB#V0 support functional safety standards like IEC 60730?
The R5F56316DGFB#V0 integrates multiple hardware features for IEC 60730 Class B compliance, including oscillation-stop detection, independent watchdog timer (IWDT) with dedicated 125 kHz LOCO clock, CRC calculator with selectable polynomials, and self-diagnostic capability for the 10-bit A/D converter. These capabilities allow R5F56316DGFB#V0 to meet fault-detection and recovery requirements in safety-critical appliance and industrial control applications.
What is the operating temperature range and power supply requirement for the R5F56316DGFB#V0?
The R5F56316DGFB#V0 is rated for industrial operation from -40°C to +85°C and requires a single 2.7–3.6 V supply for VCC/AVCC0. It draws only 500 μA/MHz under full peripheral load and supports four low-power modes-including deep software standby with RTC and SRAM retention-to extend battery life in portable or energy-harvesting R5F56316DGFB#V0 deployments.
R5F56316DGFB#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:
R5F56316DGFB#V0 FAQ
1.How can I place an order for R5F56316DGFB#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F56316DGFB#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 R5F56316DGFB#V0 reliable?
The price and inventory of R5F56316DGFB#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F56316DGFB#V0 is usually 5 days.
3.What payment methods are accepted for R5F56316DGFB#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F56316DGFB#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F56316DGFB#V0?
R5F56316DGFB#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F56316DGFB#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 R5F56316DGFB#V0?
For technical support, including R5F56316DGFB#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F56316DGFB#V0 requirements.
6.How does Aetrix verify that R5F56316DGFB#V0 is sourced from the original manufacturer or authorized distributors?
All R5F56316DGFB#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 R5F56316DGFB#V0 meets industry standards.
7.What is the process for return or replacement of R5F56316DGFB#V0?
All R5F56316DGFB#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F56316DGFB#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 R5F56316DGFB#V0 part is unused and in its original packaging.
Return procedure for R5F56316DGFB#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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