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Renesas R5F5631FDDFP#V0
- Part No.:
- R5F5631FDDFP#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F5631FDDFP#V0.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 100LFQFP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
R5F5631FDDFP#V0 from Renesas is a 100 MHz 32-bit RX631 Group microcontroller with integrated FPU, 2 MB flash, 256 KB SRAM, and 32 KB data flash. It features 12-bit/10-bit A/D converters (21/8 channels), dual 10-bit D/A outputs, Ethernet MAC (not included), USB 2.0 host/function, CAN v2.0B (2 channels), 4× I²C, 13× SCI, and RTC with battery backup. It targets industrial HMI, motor control, and networked embedded systems requiring deterministic real-time performance and functional safety support.
For engineers reviewing the R5F5631FDDFP#V0 datasheet, R5F5631FDDFP#V0 pinout, R5F5631FDDFP#V0 application, or R5F5631FDDFP#V0 equivalent, this page delivers verified specifications, package mapping to PLQP0100KB-A (100-pin LQFP), confirmed peripheral channel counts per package, thermal grade (–40°C to +85°C), and two validated alternative parts for design continuity planning.
Technical Context
The R5F5631FDDFP#V0 implements the RXv1 CPU core with Harvard architecture, 5-stage pipeline, and IEEE-754 single-precision FPU delivering 165 DMIPS at 100 MHz. It supports little-endian data and instruction ordering, includes MPU for memory protection, and uses JTAG/FINE for debugging.
Its clock system integrates PLL, 125-kHz LOCO, and 50-MHz HOCO oscillators with independent division/multiplication for ICLK (up to 100 MHz), PCLK (up to 50 MHz), FCLK (up to 50 MHz), and BCLK (up to 50 MHz). Power management includes four low-power modes and RTC operation down to 2.3 V on VBATT.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv1 32-bit CISC with 5-stage pipeline, 165 DMIPS @ 100 MHz |
| Max Operating Frequency | 100 MHz system clock (ICLK); enables real-time deterministic execution |
| Flash Memory | 2 Mbytes on-chip main flash, zero-wait-state access at 100 MHz |
| SRAM | 256 Kbytes on-chip SRAM, zero-wait-state access for instruction/operand use |
| A/D Converter | 21-channel 12-bit S12AD + 8-channel 10-bit AD, 1.0 μs conversion time @ 50 MHz PCLK |
| D/A Converter | 2-channel 10-bit DA output, voltage range 0 V to VREFH |
| Operating Temperature | –40°C to +85°C (D version), suitable for industrial ambient environments |
| Supply Voltage | VCC = AVCC0 = VREFH = VCC_USB = 2.7 V to 3.6 V |
Pinout & Package
Package: PLQP0100KB-A - 100-pin LQFP, 14 × 14 mm, 0.5-mm pitch, RoHS-compliant, surface-mount.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dedicated power/ground pairs per quadrant; decoupling required per Renesas layout guidelines |
| XTAL / EXTAL | Main crystal oscillator input/output | Supports 4–16 MHz external crystal; enables precise timing for USB/Ethernet (though Ethernet not present in RX631) |
| RESET | Active-low reset input | Accepts asynchronous assertion; triggers POR, LVD, or software-initiated reset sequence |
| MD0 / MD1 | Mode selection pins | Configure boot mode (single-chip, ROM-enabled/disabled expansion) at power-up |
| USB_VBUS / USB_ID | USB detection inputs | Enable OTG role negotiation; VBUS sensing supports self-/bus-powered configuration |
| TXDn / RXDn | SCI asynchronous serial I/O | Up to 13 SCI channels available; pin-mapped per package-R5F5631FDDFP#V0 supports SCI0–SCI3, SCI5, SCI6, SCI8, SCI9, SCI12 |
| SDA0 / SCL0 | I²C bus interface | Channel 0 supports FM+ mode (1 Mbps); used for sensor interfacing or EEPROM communication |
| AN000–AN007 | Analog input channels | 8 dedicated 10-bit ADC inputs; shared with GPIO; require external filtering per analog design rules |
Key Features
| Feature | Design Value |
|---|---|
| Floating-point unit (FPU) | IEEE-754 single-precision hardware accelerator enabling efficient math-intensive algorithms (e.g., motor vector control, sensor fusion) |
| Memory Protection Unit (MPU) | Configurable region-based access control supporting IEC 60730 Class B compliance and secure firmware partitioning |
| On-chip data flash (E2) | 32 Kbytes reprogrammable up to 100,000 times; background operation allows concurrent code execution and parameter storage |
| Real-time clock (RTC) | Battery-backed calendar/clock with alarm, periodic, and carry interrupts; operates from dedicated VBATT supply down to 2.3 V |
| IEC 60730 safety functions | Integrated oscillation-stop detection, CRC calculator, IWDT, and A/D self-diagnostic-reduces external safety component count |
| USB 2.0 host/function/OTG | Full-speed (12 Mbps) transceiver with 2 KB on-chip RAM buffer; supports device enumeration, host polling, and OTG role switching |
Applications
| Industrial HMI Panel | Smart Motor Drive Controller |
|---|---|
Use Scenario: Standalone touch-based operator interface with local logic, display refresh, and fieldbus connectivity. IC Role / Device Role / Timing Role: Main application processor executing GUI framework, managing SPI-driven TFT display, and handling CAN/SCI fieldbus protocols. Use Value: 256 KB SRAM enables double-buffered graphics rendering; 13 SCI channels allow simultaneous Modbus RTU and debug UART; 2 MB flash hosts firmware + localized language assets. |
Use Scenario: Closed-loop BLDC/PMSM drive with current sensing, PWM generation, and thermal monitoring. IC Role / Device Role / Timing Role: Real-time motion controller coordinating MTU2/TPU timers for 6-phase complementary PWM, sampling 12-bit ADCs at 1 MHz, and computing FOC in FPU. Use Value: 165 DMIPS + FPU executes field-oriented control within 10 μs loop time; 21-channel 12-bit ADC captures phase currents and DC-link voltage simultaneously. |
| Networked Building Automation Node | Medical Diagnostic Sensor Hub |
Use Scenario: Edge node aggregating temperature, humidity, CO₂, and occupancy data for BACnet/IP or Modbus TCP gateway. IC Role / Device Role / Timing Role: Protocol gateway MCU running lightweight TCP/IP stack (via external PHY), managing multiple sensor interfaces and local event logging. Use Value: USB host supports firmware updates via flash drive; 4× I²C channels interface to digital sensors; RTC with battery backup maintains time-stamped logs during AC loss. |
Use Scenario: Portable diagnostic device acquiring analog biosignals (ECG, SpO₂) and performing on-device preprocessing before Bluetooth transmission. IC Role / Device Role / Timing Role: Signal acquisition and preprocessing engine synchronizing 12-bit ADC sampling, applying digital filters in FPU, and buffering data in SRAM. Use Value: 12-bit ADC with sample-and-hold achieves <1 LSB INL for ECG signal fidelity; 10-bit DAC outputs reference voltages for analog front-end calibration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F563NEDDFP#V0 | RX63N Group; includes Ethernet MAC, 2 MB flash, 256 KB SRAM, same 100-pin LQFP package | Required where IEEE 802.3 10/100 Mbps connectivity is mandatory (e.g., industrial Ethernet I/O modules) | Select when Ethernet PHY integration is needed; otherwise R5F5631FDDFP#V0 reduces BOM cost and layout complexity |
| R5F562TADFP#V0 | RX62T Group; 100 MHz, 512 KB flash, 64 KB SRAM, no FPU, no USB OTG, 10-bit ADC only (16 ch) | Suitable for cost-sensitive motor control without floating-point math or USB connectivity | Choose for simpler, lower-cost inverters or fans where FPU and USB are unnecessary; verify peripheral channel count matches design needs |
Compared with R5F563NEDDFP#V0, the R5F5631FDDFP#V0 removes Ethernet hardware to reduce die size and power, making it optimal for USB/CAN-based edge nodes. Against R5F562TADFP#V0, it adds FPU, larger memory, and richer peripherals-justifying upgrade where computational headroom and interface flexibility are critical.
Availability
R5F5631FDDFP#V0 is available at Aetrix Electronics and suitable for industrial HMI, smart motor drives, building automation gateways, and medical sensor hubs requiring stable component supply across multi-year production cycles.
Supply support for R5F5631FDDFP#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 RX631 Group is designed for high-performance, functional-safety-aware industrial applications-emphasizing real-time determinism, integrated safety features (IEC 60730), and rich connectivity without Ethernet overhead.
FAQ
What is the maximum operating frequency and core type of the R5F5631FDDFP#V0?
The R5F5631FDDFP#V0 operates at a maximum frequency of 100 MHz using the 32-bit RXv1 CPU core. This core delivers 165 DMIPS performance and includes a single-precision IEEE-754 floating-point unit, barrel shifter, and memory protection unit-enabling deterministic real-time execution for industrial control tasks.
Does the R5F5631FDDFP#V0 include an Ethernet controller?
No, the R5F5631FDDFP#V0 belongs to the RX631 Group, which excludes the Ethernet MAC and associated EDMAC found in the RX63N Group. This distinction is explicitly documented in Renesas' R01DS0098EJ0180 datasheet-making R5F5631FDDFP#V0 appropriate for USB/CAN/I²C-connected systems where Ethernet is not required.
What package and pin count does the R5F5631FDDFP#V0 use?
The R5F5631FDDFP#V0 uses the PLQP0100KB-A package: a 100-pin LQFP measuring 14 × 14 mm with 0.5-mm pitch. This package provides 78 general-purpose I/O pins, including 17 with 5-V tolerance, and supports all on-chip peripherals except Ethernet-matching the RX631 Group's feature set for compact industrial designs.
How much on-chip memory does the R5F5631FDDFP#V0 integrate?
The R5F5631FDDFP#V0 integrates 2 Mbytes of on-chip flash memory (zero-wait-state at 100 MHz), 256 Kbytes of SRAM (zero-wait-state), and 32 Kbytes of reprogrammable data flash rated for 100,000 erase/write cycles. These memory resources support complex firmware, real-time buffering, and nonvolatile parameter storage without external components.
Which communication interfaces are supported by the R5F5631FDDFP#V0?
The R5F5631FDDFP#V0 supports USB 2.0 full-speed host/function/OTG (1 port), CAN v2.0B (2 channels, 32 mailboxes), 13 SCI channels (asynchronous, clock-sync, smart card, SPI/I²C emulation), 4 I²C interfaces (including FM+ at 1 Mbps), 3 RSPI channels, and IEBus-all confirmed in the RX63N/RX631 Group datasheet for the 100-pin LQFP variant.
R5F5631FDDFP#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- 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:
- 78
- Program Memory Size:
- 2MB (2M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 32K x 8
- RAM Size:
- 256K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 8x10b, 14x12b; D/A 1x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F5631FDDFP#V0 FAQ
1.How can I place an order for R5F5631FDDFP#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F5631FDDFP#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 R5F5631FDDFP#V0 reliable?
The price and inventory of R5F5631FDDFP#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F5631FDDFP#V0 is usually 5 days.
3.What payment methods are accepted for R5F5631FDDFP#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F5631FDDFP#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F5631FDDFP#V0?
R5F5631FDDFP#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F5631FDDFP#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 R5F5631FDDFP#V0?
For technical support, including R5F5631FDDFP#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F5631FDDFP#V0 requirements.
6.How does Aetrix verify that R5F5631FDDFP#V0 is sourced from the original manufacturer or authorized distributors?
All R5F5631FDDFP#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 R5F5631FDDFP#V0 meets industry standards.
7.What is the process for return or replacement of R5F5631FDDFP#V0?
All R5F5631FDDFP#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F5631FDDFP#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 R5F5631FDDFP#V0 part is unused and in its original packaging.
Return procedure for R5F5631FDDFP#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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