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Renesas R5F5631DDDLK#U0
- Part No.:
- R5F5631DDDLK#U0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 145-TFLGA
- Datasheet:
-
R5F5631DDDLK#U0.pdf
- Description:
- IC MCU 32BIT 1.5MB FLSH 145TFLGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,360
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Product details
Overview
R5F5631DDDLK#U0 from Renesas is a 100 MHz 32-bit RX631 Group microcontroller with 1.5 MB on-chip flash, 128 KB SRAM, 32 KB data flash, integrated 12-bit and 10-bit A/D converters (21/8 channels), dual 10-bit D/A outputs, Ethernet MAC (not present in RX631), USB 2.0 host/function interface, CAN v2.0B (2 channels), and RTC - deployed in industrial HMI and networked sensor gateway applications.
For engineers reviewing the R5F5631DDDLK#U0 datasheet, R5F5631DDDLK#U0 pinout, R5F5631DDDLK#U0 application, or R5F5631DDDLK#U0 equivalent, key selection criteria include flash/RAM capacity matching, absence of Ethernet controller versus RX63N variants, TFLGA-145 package compatibility, -40°C to +85°C operating range, and IEC60730 safety feature support for functional safety designs.
Technical Context
The R5F5631DDDLK#U0 implements the 32-bit RX 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 arrangement and includes MPU for memory protection.
It integrates dedicated peripherals including three SCI modules supporting asynchronous, SPI/I²C emulation, four I²C interfaces (one FM+), three RSPI channels, two CAN controllers (32 mailboxes each), and a 14-bit WDT plus independent 14-bit IWDT with dedicated LOCO clock - all operating under 2.7–3.6 V supply with four low-power modes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RX 32-bit CISC core with 5-stage pipeline, 165 DMIPS @ 100 MHz |
| Max Operating Frequency | 100 MHz system clock (ICLK), enabling real-time deterministic execution |
| Flash Memory | 1.5 MB on-chip main flash, zero-wait-state access at 100 MHz |
| SRAM | 128 KB on-chip SRAM, no-wait access for instruction and operand storage |
| A/D Converter | 21-channel 12-bit S12AD + 8-channel 10-bit AD, 1.0 μs conversion time @ PCLK=50 MHz |
| 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 |
| Package | 145-pin TFLGA (PTLG0145KA-A), 7 mm × 7 mm, 0.5 mm pitch |
Pinout & Package
Package: 145-pin TFLGA (PTLG0145KA-A), 7 mm × 7 mm, 0.5 mm pitch, lead-free, RoHS-compliant surface-mount package with exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Core and I/O power domains (2.7–3.6 V); multiple distributed pins ensure stable decoupling |
| XTAL / EXTAL | Main crystal oscillator input/output | Supports 4–16 MHz external crystal for precise system timing and PLL reference |
| RESET | Active-low reset input | Asynchronous hardware reset with internal pull-up; initiates full MCU initialization sequence |
| MD0 / MD1 | Mode selection inputs | Configure boot mode (ROM/flash/external bus) at power-on; sampled during reset assertion |
| IRQ0–IRQ15 | External interrupt inputs | 16 dedicated edge-sensitive pins supporting priority-based interrupt handling via ICUb |
| TXD0 / RXD0 | SCI0 serial transmit/receive | Asynchronous UART interface for debug console or peripheral communication (TTL-level) |
Key Features
| Feature | Design Value |
|---|---|
| Floating-point unit (FPU) | IEEE-754 single-precision 32-bit FPU enables efficient math-intensive control algorithms without software emulation |
| IEC60730 safety support | Integrated oscillation-stop detection, CRC calculator, self-diagnostic A/D, and IWDT meet Class B compliance requirements |
| Flexible clock system | Multiple on-chip oscillators (LOCO/HOCO), PLL, and independent subclock domain enable low-power RTC and robust clock redundancy |
| Peripheral DMA | DMAC (4 ch), EXDMAC (2 ch), and DTC support background transfers for ADC, USB, CAN, and SPI - reducing CPU load by >40% in data-intensive tasks |
| Secure data handling | Data Encryption Unit (DEU) with AES-128/192/256 in ECB/CBC modes secures firmware updates and sensor data payloads |
| High-integration I/O | 111 general-purpose I/O pins (145-pin package), 5-V tolerant on 18 pins, with configurable pull-up, open-drain, and drive strength |
Applications
| Industrial HMI Controller | Networked Sensor Gateway |
|---|---|
Use Scenario: Standalone panel-mounted display with touch interface, local data logging, and Modbus TCP connectivity. IC Role / Device Role / Timing Role: Main application processor executing RTOS, managing graphics rendering, driving SPI LCD, and handling dual CAN/USB device stacks. Use Value: 128 KB SRAM enables frame buffer allocation; 1.5 MB flash hosts bootloader, firmware, and configuration assets; SCI/RSPI/I²C support multi-sensor integration. |
Use Scenario: Edge node aggregating temperature, humidity, and vibration data from analog/digital sensors, then forwarding via Ethernet or USB to cloud gateway. IC Role / Device Role / Timing Role: Central data acquisition and protocol translation engine with synchronized A/D sampling and timestamped packet generation. Use Value: 21-channel 12-bit A/D captures multi-sensor analog inputs simultaneously; RTC provides accurate event timestamps; USB host mode powers and reads external storage. |
| Programmable Logic Controller (PLC) I/O Module | Energy Metering Subsystem |
Use Scenario: DIN-rail mounted digital I/O expansion module with isolated inputs/outputs, fieldbus interface, and local diagnostics. IC Role / Device Role / Timing Role: Real-time I/O scheduler and fieldbus protocol handler (CANopen/Modbus RTU) with deterministic response <100 μs. Use Value: MTU2/TPU timers generate precise PWM and capture encoder pulses; CAN v2.0B (2 ch) supports dual-network redundancy; 4 low-power modes reduce standby consumption. |
Use Scenario: Secondary metering unit in smart electricity meters performing auxiliary measurements (voltage sag/swell, harmonic analysis). IC Role / Device Role / Timing Role: Co-processor offloading precision analog measurement and cryptographic signing from main metering SoC. Use Value: 12-bit A/D with sample-and-hold ensures accurate RMS calculation; DEU performs AES-128 signing of energy logs; temperature sensor validates calibration drift compensation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F563NDDDLK#U0 | RX63N variant with identical 1.5 MB flash/128 KB RAM but adds Ethernet MAC and SDRAM controller | Suitable for applications requiring 10/100 Mbps wired connectivity and external memory expansion | Select when Ethernet or SDRAM support is mandatory; requires PCB layout changes due to different pinout and power sequencing |
| R5F5630EDDLK#U0 | RX630 Group part: same 145-pin TFLGA package, 1.5 MB flash/128 KB RAM, but lacks USB, CAN, and DEU | Targeted at cost-sensitive, non-networked embedded control with minimal peripheral count | Choose for simpler control-only roles where USB/CAN security features are unnecessary; retains pin compatibility and footprint |
Compared with R5F5631DDDLK#U0, the R5F563NDDDLK#U0 adds Ethernet and SDRAM support at higher BOM cost and complexity, while the R5F5630EDDLK#U0 reduces peripheral count and security features to lower unit cost - making R5F5631DDDLK#U0 the optimal balance for connected industrial devices needing USB, CAN, and AES without Ethernet overhead.
Availability
R5F5631DDDLK#U0 is available at Aetrix Electronics and suitable for industrial HMI, networked sensor gateways, PLC I/O modules, and energy metering subsystems requiring stable component supply across extended product lifecycles.
Supply support for R5F5631DDDLK#U0 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, safety-aware industrial control applications - emphasizing real-time determinism, functional safety (IEC60730), and rich connectivity (USB/CAN/I²C) without Ethernet overhead.
FAQ
What is the maximum operating frequency and core performance of the R5F5631DDDLK#U0?
The R5F5631DDDLK#U0 operates at a maximum frequency of 100 MHz using the 32-bit RX CPU core, achieving 165 DMIPS performance. Its Harvard architecture with 5-stage pipeline, single-cycle 32-bit multiply, and IEEE-754 FPU enables deterministic real-time execution critical for industrial control loops. This performance level is confirmed in Renesas document R01DS0098EJ0180.
Does the R5F5631DDDLK#U0 include an Ethernet controller?
No, the R5F5631DDDLK#U0 belongs to the RX631 Group and does not integrate an Ethernet MAC or EDMAC - unlike RX63N variants. This distinction is explicitly stated in the Renesas datasheet R01DS0098EJ0180, Section 1.2 and Table 1.2, which confirms Ethernet availability only in RX63N packages.
What package type and pin count does the R5F5631DDDLK#U0 use?
The R5F5631DDDLK#U0 uses a 145-pin TFLGA package (PTLG0145KA-A), measuring 7 mm × 7 mm with 0.5 mm pitch. This package provides 111 general-purpose I/O pins, 18 of which are 5-V tolerant, and supports full peripheral functionality for the RX631 Group as specified in Table 1.2 of R01DS0098EJ0180.
Which A/D and D/A converters are integrated into the R5F5631DDDLK#U0?
The R5F5631DDDLK#U0 integrates a 21-channel 12-bit S12AD converter and an 8-channel 10-bit AD converter, both with sample-and-hold and hardware-triggered conversion. It also includes two 10-bit D/A channels (DA0/DA1) with output range 0 V to VREFH. These specifications are verified in Sections 1.1 and Table 1.1 of R01DS0098EJ0180.
Is the R5F5631DDDLK#U0 supported for IEC60730 Class B compliance?
Yes, the R5F5631DDDLK#U0 includes dedicated hardware features for IEC60730 Class B compliance: 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). These are documented in the "Useful functions for IEC60730 compliance" section of R01DS0098EJ0180.
R5F5631DDDLK#U0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 145-TFLGA
- 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:
- 111
- Program Memory Size:
- 1.5MB (1.5M 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 ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F5631DDDLK#U0 FAQ
1.How can I place an order for R5F5631DDDLK#U0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F5631DDDLK#U0 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 R5F5631DDDLK#U0 reliable?
The price and inventory of R5F5631DDDLK#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F5631DDDLK#U0 is usually 5 days.
3.What payment methods are accepted for R5F5631DDDLK#U0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F5631DDDLK#U0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F5631DDDLK#U0?
R5F5631DDDLK#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F5631DDDLK#U0 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 R5F5631DDDLK#U0?
For technical support, including R5F5631DDDLK#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F5631DDDLK#U0 requirements.
6.How does Aetrix verify that R5F5631DDDLK#U0 is sourced from the original manufacturer or authorized distributors?
All R5F5631DDDLK#U0 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 R5F5631DDDLK#U0 meets industry standards.
7.What is the process for return or replacement of R5F5631DDDLK#U0?
All R5F5631DDDLK#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F5631DDDLK#U0, 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 R5F5631DDDLK#U0 part is unused and in its original packaging.
Return procedure for R5F5631DDDLK#U0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F5631DDDLK#U0 Tags
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