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Renesas R5F5631KDDFP#V0
- Part No.:
- R5F5631KDDFP#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F5631KDDFP#V0.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 100LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,717
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Product details
Overview
R5F5631KDDFP#V0 from Renesas is a 100 MHz 32-bit RX CPU-based microcontroller in the RX631 Group, featuring 2 MB on-chip flash memory, 192 KB SRAM, 32 KB data flash, and integrated 12-bit/10-bit A/D converters, 10-bit D/A converters, RTC, and USB 2.0 function controller - designed for industrial HMI, motor control, and networked embedded systems without Ethernet.
For engineers reviewing the R5F5631KDDFP#V0 datasheet, R5F5631KDDFP#V0 pinout, R5F5631KDDFP#V0 application, or R5F5631KDDFP#V0 equivalent, this part supports full-speed USB 2.0 device operation, CAN 2.0B (2 channels), up to 13 SCI interfaces, I²C (4 channels), RSPI (3 channels), and operates across -40°C to +85°C with 2.7–3.6 V supply.
Technical Context
The R5F5631KDDFP#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 integrates a memory protection unit (MPU), JTAG/FINE debug interfaces, and supports little-endian or big-endian data arrangement.
Its peripheral set excludes Ethernet MAC and sub-clock oscillator (unlike RX63N), but includes dual CAN modules (32 mailboxes total), programmable pulse generator (PPG), MTU2/TPU timers, and parallel data capture unit (PDC) - all synchronized to independent clock domains (ICLK up to 100 MHz, PCLK up to 50 MHz).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv1 32-bit CISC core with 5-stage pipeline, 165 DMIPS @ 100 MHz, IEEE-754 FPU, MPU support |
| Flash Memory | 2 Mbytes main flash, zero-wait-state access at 100 MHz, on-board/off-board programmable |
| RAM & Data Flash | 192 Kbytes SRAM (no-wait), 32 Kbytes reprogrammable data flash (100,000 erase/write cycles) |
| Analog Peripherals | 21-channel 12-bit A/D (1 µs conversion), 8-channel 10-bit A/D, 2-channel 10-bit D/A, on-die temperature sensor (±1°C) |
| Communication Interfaces | USB 2.0 full-speed function controller (2 KB buffer), CAN ×2 (ISO 11898-1, 32 mailboxes), SCI ×13, I²C ×4 (1 Mbps), RSPI ×3 |
| Timers & Control | MTU2 (6 ch), TPU (12 ch), TMR (4 ch), CMT (4 ch), RTC with battery backup, IWDT with dedicated LOCO clock |
| Package & Environment | LQFP-100 (PLQP0100KB-A), 14 × 14 mm, 0.5 mm pitch, -40°C to +85°C operating range (D version) |
Pinout & Package
Package: PLQP0100KB-A - 100-pin LQFP, 14 × 14 mm body, 0.5 mm pitch, exposed pad (thermal pad not electrically connected). Pin count and I/O configuration match RX631 Group specification for 100-pin packages: 78 general-purpose I/O pins, 1 input-only pin, 17 pins 5-V tolerant, all with pull-up and open-drain capability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dedicated analog/digital power rails; AVCC0 = VREFH = VCC_USB = 2.7–3.6 V; separate VBATT pin for RTC backup |
| XTAL / EXTAL | Main crystal oscillator input/output | Supports 4–16 MHz external crystal; PLL generates system clock up to 100 MHz |
| MD0 / MD1 | Mode selection inputs | Configure boot mode (single-chip, ROM-enabled/disabled expansion) at reset; pulled internally during startup |
| RESET | Active-low reset input | Asynchronous reset assertion; internal POR/LVD ensures reliable initialization under varying supply conditions |
| USB_VBUS / USB_ID | USB detection signals | VBUS monitors host power presence; ID selects OTG role (function-only mode active for R5F5631KDDFP#V0) |
| TXD0 / RXD0 | SCI0 asynchronous serial interface | Full-duplex UART interface with baud-rate generator; supports LIN protocol via SCId channel |
| TXD1 / RXD1 | SCI1 asynchronous serial interface | Independent UART with software-selectable LSB/MSB-first transfer and average-rate clock input from TMR |
| SDA0 / SCL0 | I²C bus interface channel 0 | FM+ compliant (1 Mbps), multi-master capable, supports SMBus protocols and clock stretching |
Key Features
| Feature | Design Value |
|---|---|
| Floating-point unit (FPU) | IEEE-754 single-precision hardware accelerator enables deterministic real-time math for motor control and sensor fusion |
| Low-power operation | 500 µA/MHz active current; four low-power modes (sleep, module-stop, software standby, deep software standby) with RTC retention |
| Secure boot & diagnostics | IEC 60730-compliant features: oscillation-stop detection, CRC calculator (3 polynomials), self-diagnostic A/D, IWDT |
| Flexible timer subsystem | MTU2 + TPU + PPG enable complex waveform generation (complementary PWM, phase counting, encoder input) with trigger chaining to A/D |
| Robust communication stack | Dual CAN controllers with 32 mailboxes each, USB 2.0 function controller with 2 KB RAM buffer, and 13 SCI channels with LIN support |
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 MCU handling GUI rendering, button scanning, CAN/SCI communication, and real-time status updates. Use Value: Integrated 2 MB flash stores firmware + graphics assets; 192 KB SRAM buffers display frame data; USB function enables field firmware updates. |
Use Scenario: Closed-loop BLDC/PMSM drive with position sensing, current feedback, and safety monitoring. IC Role / Device Role / Timing Role: Real-time motion controller executing FOC algorithms using FPU, generating PWM via MTU2/TPU, and sampling ADC at 1 µs resolution. Use Value: Deterministic 100 MHz timing, 12-bit ADC with sample-and-hold, and complementary PWM output mode ensure precise torque control. |
| Networked Building Sensor Node | Programmable Logic Relay |
Use Scenario: Multi-sensor environmental node (temp, humidity, CO₂) with wired CAN/RS485 and USB configuration port. IC Role / Device Role / Timing Role: Sensor aggregator and protocol translator interfacing analog sensors, digital I/O, and field buses. Use Value: On-die ±1°C temperature sensor reduces BOM cost; 10-bit D/A drives analog outputs; CAN + SCI provide dual-fieldbus redundancy. |
Use Scenario: DIN-rail mounted relay module with configurable I/O mapping, time-based sequencing, and remote diagnostics. IC Role / Device Role / Timing Role: Programmable logic engine implementing ladder logic or state machines with deterministic scan cycle timing. Use Value: 4 low-power modes extend uptime during idle; RTC with alarm interrupt enables scheduled operations; 78 GPIOs support flexible I/O assignment. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F563NDDFP#V0 | RX63N variant: adds Ethernet MAC, RMII/MII, EDMAC, sub-clock oscillator, and battery backup RTC - same 2 MB flash, 192 KB SRAM, LQFP-100 package | Required for Ethernet-connected gateways or IoT edge nodes needing TCP/IP offload | Select R5F563NDDFP#V0 only if Ethernet PHY interface and associated DMA resources are needed; otherwise R5F5631KDDFP#V0 reduces BOM and layout complexity |
| R5F566TEADFP#V0 | RX66T Group part: 160 MHz CPU, FPU, 2 MB flash, 384 KB SRAM, enhanced MTU3 timers, no USB function controller, added encoder interface | Targeted at high-performance servo drives requiring >100 kHz PWM update rates and dual encoder inputs | R5F566TEADFP#V0 suits demanding motion control where CPU throughput and timer precision exceed RX631 capabilities; lacks USB, so requires external bridge for firmware updates |
Compared with R5F563NDDFP#V0, the R5F5631KDDFP#V0 removes Ethernet and sub-clock circuitry to reduce cost and power, while retaining identical USB, CAN, and analog peripherals; versus R5F566TEADFP#V0, it trades higher clock speed and advanced timers for lower cost, USB integration, and broader peripheral compatibility in mid-tier industrial control.
Availability
R5F5631KDDFP#V0 is available at Aetrix Electronics and suitable for industrial HMI, smart motor drives, building automation sensor nodes, and programmable logic relays requiring stable component supply, long-lifecycle support, and qualified automotive/industrial-grade sourcing.
Supply support for R5F5631KDDFP#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 - including R5F5631KDDFP#V0 - was engineered for cost-sensitive, real-time industrial control applications requiring rich analog integration, deterministic USB/CAN connectivity, and functional safety readiness without Ethernet overhead.
FAQ
What is the maximum operating frequency and CPU performance of the R5F5631KDDFP#V0?
The R5F5631KDDFP#V0 operates at a maximum frequency of 100 MHz and delivers 165 DMIPS using its 32-bit RXv1 CPU core with integrated IEEE-754 single-precision floating-point unit. Its 5-stage pipeline, variable-length instruction set, and hardware multiplier/divider enable deterministic real-time execution critical for motor control and sensor processing tasks within the R5F5631KDDFP#V0's architecture.
Does the R5F5631KDDFP#V0 include Ethernet capability?
No, the R5F5631KDDFP#V0 belongs to the RX631 Group, which explicitly excludes the Ethernet MAC, EDMAC, and RMII/MII interfaces present in the RX63N Group. This omission reduces silicon area, power consumption, and system-level design complexity - making the R5F5631KDDFP#V0 ideal for applications requiring USB, CAN, and SCI connectivity without Ethernet PHY integration or associated PCB routing constraints.
What are the memory resources available on the R5F5631KDDFP#V0?
The R5F5631KDDFP#V0 integrates 2 Mbytes of on-chip flash memory (zero-wait-state at 100 MHz), 192 Kbytes of SRAM (also zero-wait), and 32 Kbytes of reprogrammable data flash rated for 100,000 erase/write cycles. These resources support complex firmware, real-time data buffering, and non-volatile parameter storage - all accessible without external memory controllers, simplifying design for space-constrained industrial applications using the R5F5631KDDFP#V0.
Which communication interfaces does the R5F5631KDDFP#V0 support?
The R5F5631KDDFP#V0 supports USB 2.0 full-speed function controller (with 2 KB buffer), two CAN 2.0B modules (32 mailboxes total), up to 13 SCI channels (including LIN-capable SCId), four I²C interfaces (one FM+, up to 1 Mbps), and three RSPI channels. It does not include Ethernet, OTG host capability, or IEBus - distinguishing it from RX63N and confirming its positioning for USB/CAN-centric embedded control using the R5F5631KDDFP#V0.
What is the package type and thermal specification for the R5F5631KDDFP#V0?
The R5F5631KDDFP#V0 uses the PLQP0100KB-A package: a 100-pin LQFP with 14 × 14 mm body size, 0.5 mm pitch, and exposed thermal pad. It is rated for industrial temperature range (-40°C to +85°C) as a D-version device, with supply voltage requirements of 2.7–3.6 V on VCC/AVCC0/VREFH/VCC_USB and 2.0–3.6 V on VBATT - ensuring robust operation in harsh environments typical of applications deploying the R5F5631KDDFP#V0.
R5F5631KDDFP#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- RX600
- Packaging:
- Tray
- Product Status:
- Discontinued at Digi-Key
- 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:
- 192K 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:
R5F5631KDDFP#V0 FAQ
1.How can I place an order for R5F5631KDDFP#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F5631KDDFP#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 R5F5631KDDFP#V0 reliable?
The price and inventory of R5F5631KDDFP#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F5631KDDFP#V0 is usually 5 days.
3.What payment methods are accepted for R5F5631KDDFP#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F5631KDDFP#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F5631KDDFP#V0?
R5F5631KDDFP#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F5631KDDFP#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 R5F5631KDDFP#V0?
For technical support, including R5F5631KDDFP#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F5631KDDFP#V0 requirements.
6.How does Aetrix verify that R5F5631KDDFP#V0 is sourced from the original manufacturer or authorized distributors?
All R5F5631KDDFP#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 R5F5631KDDFP#V0 meets industry standards.
7.What is the process for return or replacement of R5F5631KDDFP#V0?
All R5F5631KDDFP#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F5631KDDFP#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 R5F5631KDDFP#V0 part is unused and in its original packaging.
Return procedure for R5F5631KDDFP#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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