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Renesas R5F5631ADGFP#V0
- Part No.:
- R5F5631ADGFP#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F5631ADGFP#V0.pdf
- Description:
- 32BIT MCU RX631
- Quantity:
- Payment:
- Shipping:
Inventory:2,686
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Product details
Overview
R5F5631ADGFP#V0 from Renesas is a 100 MHz, 32-bit RX CPU core microcontroller in the RX631 Group, featuring 768 KB on-chip flash memory, 128 KB SRAM, 32 KB data flash, and integrated 12-bit/10-bit A/D converters, 10-bit D/A converters, RTC, and CAN interface - designed for industrial control and embedded networking applications without Ethernet.
For engineers reviewing the R5F5631ADGFP#V0 datasheet, R5F5631ADGFP#V0 pinout, R5F5631ADGFP#V0 application, or R5F5631ADGFP#V0 equivalent, this MCU delivers deterministic real-time performance with IEEE-754 FPU, MPU support, JTAG/FINE debug, and IEC60730-compliant safety features for functional safety-critical designs.
Technical Context
The R5F5631ADGFP#V0 implements the CISC Harvard-architecture RX CPU core with 5-stage pipeline, variable-length instructions, and 165 DMIPS at 100 MHz. It integrates a memory protection unit (MPU), single-precision IEEE-754 FPU, and dual multiply-accumulate units - enabling high-efficiency signal processing and control loop execution.
It supports four low-power modes (Sleep, All-module clock stop, Software standby, Deep software standby), operates from a single 2.7–3.6 V supply, and includes dedicated low-voltage detection (LVD), power-on reset (POR), and independent watchdog timer (IWDT) with 125-kHz LOCO clock - ensuring robust operation across industrial temperature ranges (−40 to +85°C).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RX 32-bit CISC Harvard architecture, 100 MHz max, 165 DMIPS - enables high-throughput deterministic real-time control. |
| Flash Memory | 768 KB main flash, no wait states at 100 MHz - supports fast code execution and field firmware updates. |
| SRAM | 128 KB on-chip SRAM, no wait states - accommodates large control buffers, stack depth, and real-time data structures. |
| A/D Converter | 21-channel 12-bit S12AD + 8-channel 10-bit AD - provides high-resolution analog sensing for motor control and sensor fusion. |
| D/A Converter | 2-channel 10-bit DA - enables precise analog output for actuator control or calibration signals. |
| Communication | 3× CAN (ISO11898-1), 13× SCI, 4× RIIC (up to 1 Mbps), 3× RSPI - supports multi-protocol industrial bus integration. |
| Security & Safety | AES-128/192/256 DEU, CRC calculator, IWDT, oscillation-stop detection - meets IEC60730 Class B requirements. |
Pinout & Package
Package: PLQP0100KB-A (100-pin LQFP, 14 × 14 mm, 0.5-mm pitch). Pin count and I/O configuration align with RX631 Group specification for 100-pin packages: 78 general-purpose I/O pins, 1 input-only pin, 78 pull-up resistors, 78 open-drain outputs, and 17 pins 5-V tolerant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual 2.7–3.6 V supply domains (core/analog/USB); decoupling required per Renesas layout guidelines. |
| XTAL / EXTAL | Main crystal oscillator input/output | Supports 4–16 MHz external crystal; enables precise timing for USB, CAN, and RTC synchronization. |
| RESET | Active-low reset input | Accepts asynchronous de-bounced reset; triggers POR, LVD, and software-initiated reset sequences. |
| IRQ0–IRQ15 | External interrupt inputs | 16 dedicated edge-triggered pins for fast event capture (e.g., encoder index, fault signals). |
| TXDn / RXDn | SCI asynchronous serial I/O | Configurable baud rates up to 15 Mbps; supports LIN, smart-card, and clock-synchronous modes. |
| TXD0 / RXD0 / RTS0 / CTS0 | SCI0 full-handshake interface | Enables robust RS-232/RS-485 communication with hardware flow control in industrial environments. |
Key Features
| Feature | Design Value |
|---|---|
| Floating-point unit (FPU) | IEEE-754 single-precision compliance enables direct implementation of PID, FFT, and sensor fusion algorithms without software emulation. |
| Memory Protection Unit (MPU) | Configurable region-based access control prevents unintended memory overwrites - critical for ASIL-B and IEC60730 Class B certification. |
| Background Operation (BGO) | Data flash programming/erasing while CPU executes code - ensures zero-interrupt-latency firmware updates in live systems. |
| IEC60730 Safety Functions | Integrated oscillation-stop detection, CRC calculator, self-diagnostic A/D, and IWDT - reduces external safety component count. |
| Real-time Clock (RTC) | Battery-backed calendar/clock with alarm, periodic, and carry interrupts - supports time-stamped logging and scheduled wake-up. |
Applications
| Industrial PLC I/O Module | Motor Drive Control Unit |
|---|---|
Use Scenario: Compact programmable logic controller with analog/digital I/O expansion and CANopen fieldbus connectivity. IC Role / Device Role / Timing Role: Main system controller executing ladder logic, managing ADC sampling, generating PWM via MTU2, and handling CAN message scheduling. Use Value: 100 MHz CPU + 768 KB flash supports multi-tasking RTOS and field-upgradable firmware; 12-bit ADC resolution ensures ±0.025% analog measurement accuracy. |
Use Scenario: Sensorless BLDC motor drive for HVAC or pump applications requiring closed-loop speed/torque control. IC Role / Device Role / Timing Role: Real-time motion controller coordinating 3-phase PWM generation (MTU2/TPU), current sensing (S12AD), and thermal monitoring (on-chip temperature sensor). Use Value: Integrated FPU accelerates Clarke/Park transforms; 100 ns PWM dead-time control minimizes shoot-through risk in inverter gate drivers. |
| Building Automation Gateway | Medical Diagnostic Instrument Controller |
Use Scenario: Protocol translator bridging BACnet MS/TP (via SCI) to Modbus TCP (via external PHY), with local UI and data logging. IC Role / Device Role / Timing Role: Central protocol engine managing multiple serial buses (SCI, RSPI), SPI-connected display, and SD card storage via external bus interface. Use Value: 13 SCI channels enable concurrent BACnet, DALI, and KNX interfaces; 128 KB SRAM buffers multi-protocol packet queues without external RAM. |
Use Scenario: Portable ultrasound or blood glucose analyzer requiring precision analog front-end control, battery management, and USB HID data export. IC Role / Device Role / Timing Role: System-on-chip controller interfacing with 12-bit ADC for sensor signals, DAC for reference voltage generation, and USB device for PC communication. Use Value: On-chip 32 KB data flash stores calibration coefficients with 100,000-cycle endurance; AES-128 encrypts patient data before USB transfer. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F5631EDGFP#V0 | Same package and pinout; 2 MB flash, 128 KB SRAM, identical peripherals - higher code storage capacity. | Suitable where firmware size exceeds 768 KB or future feature expansion is anticipated. | Select when larger application footprint or long-term firmware scalability is required; same PCB layout. |
| R5F5630ADGFP#V0 | Same RX631 Group, 100-pin LQFP, but 512 KB flash, 96 KB SRAM, no DEU or CRC - reduced security/safety features. | Targeted at cost-sensitive applications without IEC60730 or data encryption requirements. | Choose for non-safety-critical consumer or white-goods control where lower BOM cost outweighs security feature loss. |
Compared with R5F5631ADGFP#V0, the R5F5631EDGFP#V0 offers scalable flash for complex firmware while maintaining identical timing, I/O, and safety features; the R5F5630ADGFP#V0 trades security and memory for lower unit cost in less demanding applications.
Availability
R5F5631ADGFP#V0 is available at Aetrix Electronics and suitable for industrial automation, motor control, building management, and medical instrumentation requiring stable component supply, long lifecycle support, and automotive-grade reliability.
Supply support for R5F5631ADGFP#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 industrial, automotive, and IoT markets.
The RX631 Group is engineered for high-performance, safety-certifiable embedded control - delivering deterministic real-time response, integrated analog peripherals, and functional safety features for industrial and medical equipment.
FAQ
What is the maximum operating frequency and core architecture of the R5F5631ADGFP#V0?
The R5F5631ADGFP#V0 operates at a maximum frequency of 100 MHz using the 32-bit RX CPU core with CISC Harvard architecture, 5-stage pipeline, and variable-length instruction set. It achieves 165 DMIPS performance and includes a single-precision IEEE-754 floating-point unit - enabling efficient execution of math-intensive control algorithms without software emulation overhead in the R5F5631ADGFP#V0.
Does the R5F5631ADGFP#V0 include Ethernet capability?
No, the R5F5631ADGFP#V0 belongs to the RX631 Group, which excludes the Ethernet MAC and associated EDMAC peripheral. This distinguishes it from the RX63N Group (e.g., R5F563NE…). The R5F5631ADGFP#V0 retains full CAN, USB 2.0 full-speed host/function, SCI, RIIC, and RSPI interfaces - making it ideal for non-Ethernet industrial networks where CAN or serial protocols dominate.
What memory resources are integrated in the R5F5631ADGFP#V0?
The R5F5631ADGFP#V0 integrates 768 KB of on-chip flash memory (no wait states at 100 MHz), 128 KB of SRAM, and 32 KB of reprogrammable data flash rated for 100,000 erase/write cycles. Flash supports on-board programming and background operation (BGO), allowing firmware updates without halting application execution - a key capability confirmed in the R5F5631ADGFP#V0 datasheet revision 1.80.
Which safety and security features does the R5F5631ADGFP#V0 support?
The R5F5631ADGFP#V0 includes IEC60730-compliant features: oscillation-stop detection, CRC calculator (with three polynomials), self-diagnostic A/D converter, independent watchdog timer (IWDT) with dedicated LOCO clock, and memory protection unit (MPU). It also integrates a Data Encryption Unit (DEU) supporting AES-128/192/256 in ECB/CBC modes - all documented for the R5F5631ADGFP#V0 in the RX63N/RX631 Group datasheet.
What is the operating temperature range and package type of the R5F5631ADGFP#V0?
The R5F5631ADGFP#V0 is rated for −40 to +85°C (D version) and housed in a 100-pin LQFP package (PLQP0100KB-A, 14 × 14 mm, 0.5-mm pitch). It provides 78 general-purpose I/O pins, 17 of which are 5-V tolerant, and supports pull-up resistors and open-drain outputs on all I/O - matching the RX631 Group specification for 100-pin variants as defined for the R5F5631ADGFP#V0.
R5F5631ADGFP#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-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:
- 78
- Program Memory Size:
- 768KB (768K 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, 14x12b; D/A 1x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F5631ADGFP#V0 FAQ
1.How can I place an order for R5F5631ADGFP#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F5631ADGFP#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 R5F5631ADGFP#V0 reliable?
The price and inventory of R5F5631ADGFP#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F5631ADGFP#V0 is usually 5 days.
3.What payment methods are accepted for R5F5631ADGFP#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F5631ADGFP#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F5631ADGFP#V0?
R5F5631ADGFP#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F5631ADGFP#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 R5F5631ADGFP#V0?
For technical support, including R5F5631ADGFP#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F5631ADGFP#V0 requirements.
6.How does Aetrix verify that R5F5631ADGFP#V0 is sourced from the original manufacturer or authorized distributors?
All R5F5631ADGFP#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 R5F5631ADGFP#V0 meets industry standards.
7.What is the process for return or replacement of R5F5631ADGFP#V0?
All R5F5631ADGFP#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F5631ADGFP#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 R5F5631ADGFP#V0 part is unused and in its original packaging.
Return procedure for R5F5631ADGFP#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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