Renesas R5F5634DCDFB#30
- Part No.:
- R5F5634DCDFB#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R5F5634DCDFB#30.pdf
- Description:
- IC MCU 32BIT 1.5MB FLASH 144LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,987
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Product details
Overview
R5F5634DCDFB#30 from Renesas is a 32-bit RX634 Group microcontroller with 1.5 Mbytes on-chip flash, 128 Kbytes SRAM, and 32 Kbytes data flash, operating at up to 54 MHz (90 DMIPS) with 2.7–3.6 V supply. It integrates a 12-bit ADC (16 channels, 1 μs conversion), dual 10-bit DACs, CEC transceiver, dual remote control receivers, ELC, MPC, and supports IEC60730-compliant safety functions for industrial control and home appliance applications.
For engineers reviewing the R5F5634DCDFB#30 datasheet, R5F5634DCDFB#30 pinout, R5F5634DCDFB#30 application, or R5F5634DCDFB#30 equivalent, this page delivers verified technical context, exact pin roles, real-world use cases, and validated alternative options - all grounded in Renesas' official R01DS0255EJ0100 Rev.1.00 specification.
Technical Context
The R5F5634DCDFB#30 implements the 32-bit RX CPU core with Harvard architecture, 5-stage pipeline, and IEEE 754-compliant single-precision FPU. Its clock system includes PLL, 125-kHz LOCO, and dedicated IWDT oscillator, with independent clock domains (ICLK up to 54 MHz, PCLKB up to 32 MHz, BCLK up to 27 MHz).
Peripheral integration centers on event-driven operation: the Event Link Controller (ELC) enables direct hardware triggering of timers, ADC, and communication modules without CPU intervention, while the Multi-function Pin Controller (MPC) allows dynamic remapping of up to 114 GPIOs across multiple peripheral functions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RX 32-bit CPU with FPU, 54 MHz max, 90 DMIPS performance |
| Memory | 1.5 Mbytes flash (no wait states at 54 MHz), 128 Kbytes SRAM, 32 Kbytes data flash (100,000 erase/write cycles) |
| Analog | 12-bit ADC (16 channels, 1 μs conversion time, 3-channel synchronized sampling), 2×10-bit DACs (0–VREFH output) |
| Timers | 6×16-bit MTU2, 6×16-bit TPU, 4×8-bit TMR, 4×16-bit CMT, WDTA + IWDT with dedicated 125-kHz oscillator |
| Communication | 13×SCI (async/clock-sync/Smart Card/SPI/I²C modes), 3×RIIC (400 kbps), 2×RSPI, CEC transceiver, 2×RCR units (4-pattern matching) |
| Power & Safety | 2.7–3.6 V supply, −40 to +85°C operation, MPU, CAC, CRC calculator, A/D self-diagnostic, IEC60730 support |
| Package | 144-pin LQFP (PLQP0144KA-A), 20 × 20 mm, 0.5 mm pitch |
Pinout & Package
Package: PLQP0144KA-A - 144-pin LQFP, 20 × 20 mm body, 0.5 mm pitch, exposed pad not specified, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dedicated analog/digital power pins with local 0.1-μF decoupling; AVCC0/AVSS0/VREFH0/VREFL0 support independent analog domain |
| XTAL / EXTAL | Crystal oscillator interface | Supports external crystal (8–20 MHz) or clock input; enables precise timing for USB, audio, or motor control loops |
| A0–A23 / D0–D15 | External bus interface | Configurable 16-bit multiplexed or separate bus (CS0–CS3, up to 16 Mbytes/area); enables connection to NOR Flash, SRAM, or FPGA |
| AN000–AN015 | Analog input | 16-channel 12-bit ADC inputs with sample-and-hold; supports simultaneous sampling for 3-phase motor current sensing |
| DA0 / DA1 | Analog output | 10-bit voltage-output DACs referenced to VREFH; suitable for programmable biasing or sensor calibration signals |
| CECIO | CEC data I/O | Single-pin bidirectional CEC interface compliant with CEC 1.4; enables HDMI-CEC control in AV receivers and set-top boxes |
| PMC0 / PMC1 | Remote control input | Dual infrared pulse capture units with 4-pattern waveform matching; supports NEC, RC-5, and custom IR protocols |
Key Features
| Feature | Design Value |
|---|---|
| Event Link Controller (ELC) | Direct hardware triggering of 56 event sources to peripherals (e.g., timer start → ADC conversion → DMA transfer) without CPU overhead |
| Multi-function Pin Controller (MPC) | Runtime reassignment of up to 114 GPIOs across SCI, I²C, RSPI, PWM, or ADC functions - simplifies PCB layout and firmware reuse |
| IEC60730 Safety Support | Hardware-accelerated CRC, oscillation-stop detection, clock accuracy measurement (CAC), A/D self-test, and analog disconnection detection |
| CEC & RCR Integration | On-die CEC transceiver and dual remote control receivers eliminate external ICs in smart TV, Blu-ray, and home theater designs |
| Low-Power Operation | Four low-power modes (Sleep, All-module Clock Stop, Software Standby, Deep Software Standby) with fast wake-up from IWDT or external interrupt |
Applications
| Home Appliance Control | Industrial Motor Drive |
|---|---|
|
Use Scenario: Smart washing machine with variable-speed brushless motor, water level sensing, and remote IR/CEC control. IC Role / Device Role / Timing Role: Main system controller managing motor commutation via MTU2 PWM, ADC-based current/voltage feedback, and CEC/RCR for user interface. Use Value: Integrated CEC and dual RCR eliminate discrete IR receiver and HDMI control ICs; synchronized 3-channel ADC sampling enables precise field-oriented control. |
Use Scenario: Compact HVAC inverter drive requiring real-time current sensing, thermal monitoring, and isolated communication. IC Role / Device Role / Timing Role: Real-time motor control MCU executing FOC algorithms using FPU, 12-bit ADC, and complementary PWM outputs with dead-time insertion. Use Value: 54-MHz CPU with 90 DMIPS and hardware ELC ensures sub-microsecond response to overcurrent events; MPC enables flexible signal routing for board-level reuse. |
| Smart Energy Metering | Medical Diagnostic Equipment |
|
Use Scenario: DIN-rail mounted electricity meter with harmonic analysis, tamper detection, and RS485/I²C connectivity. IC Role / Device Role / Timing Role: Data acquisition and communication hub performing ADC sampling, CRC-verified data logging, and multi-protocol serial interfacing. Use Value: 12-bit ADC with self-diagnostic and disconnection detection meets IEC62053 accuracy requirements; 32-Kbyte data flash stores calibration coefficients with 100k-cycle endurance. |
Use Scenario: Portable ultrasound probe with analog front-end biasing, temperature compensation, and USB host interface. IC Role / Device Role / Timing Role: Signal conditioning and subsystem coordinator generating precision DAC reference voltages, reading thermistors via ADC, and managing USB enumeration. Use Value: Dual 10-bit DACs provide stable bias for transducer amplifiers; integrated CAC validates clock integrity for FDA-critical timing compliance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F5634ECDFB#30 | Same package and pinout; 2 Mbytes flash (vs. 1.5 Mbytes), identical RAM, peripherals, and voltage range (2.7–3.6 V) | Preferred where larger firmware image size or future OTA update headroom is required | Select when additional flash capacity is needed without changing PCB layout or firmware architecture |
| R5F5634BCDFB#30 | Same package and pinout; 1 Mbyte flash (vs. 1.5 Mbytes), identical RAM, peripherals, and voltage range (2.7–3.6 V) | Suitable for cost-sensitive, function-limited implementations with smaller code footprint | Choose for legacy product refresh or simplified feature sets where 1 Mbyte flash suffices |
Compared with R5F5634DCDFB#30, R5F5634ECDFB#30 offers 500 KB more flash for complex protocol stacks or GUI assets, while R5F5634BCDFB#30 reduces memory cost by 33% - both retain full peripheral compatibility and require no schematic or layout changes.
Availability
R5F5634DCDFB#30 is available at Aetrix Electronics and suitable for industrial motor drives, home appliance control systems, smart energy meters, and medical diagnostic equipment requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for R5F5634DCDFB#30 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 RX634 Group, including R5F5634DCDFB#30, was designed for high-integrity embedded applications demanding real-time performance, functional safety (IEC60730), and rich analog/peripheral integration in space-constrained industrial and consumer systems.
FAQ
What is the maximum operating frequency and core performance of the R5F5634DCDFB#30?
The R5F5634DCDFB#30 operates at a maximum frequency of 54 MHz and delivers 90 DMIPS of processing performance. It features the 32-bit RX CPU core with a 5-stage pipeline, IEEE 754-compliant single-precision FPU, and hardware multiply-accumulate units - enabling deterministic execution for real-time motor control and digital power conversion tasks within the R5F5634DCDFB#30's architecture.
Does the R5F5634DCDFB#30 support IEC60730 functional safety compliance?
Yes, the R5F5634DCDFB#30 includes multiple hardware features for IEC60730 Class B compliance: oscillation-stop detection, clock accuracy measurement circuit (CAC), CRC calculator with three polynomials, A/D converter self-diagnostic function, analog input disconnection detection, and memory protection unit (MPU). These capabilities are documented in Renesas' R01DS0255EJ0100 and enable certified safety routines without external components in the R5F5634DCDFB#30 implementation.
What are the key differences between R5F5634DCDFB#30 and R5F5634ECDFB#30?
The R5F5634DCDFB#30 and R5F5634ECDFB#30 share identical package (PLQP0144KA-A), pinout, peripherals, voltage range (2.7–3.6 V), and operating temperature (−40 to +85°C). The sole difference is flash capacity: R5F5634DCDFB#30 has 1.5 Mbytes, while R5F5634ECDFB#30 provides 2 Mbytes. All other specifications - including SRAM, data flash, ADC, DAC, timers, and communication interfaces - are functionally identical across both R5F5634DCDFB#30 and R5F5634ECDFB#30 variants.
Can the R5F5634DCDFB#30 interface with external memory devices?
Yes, the R5F5634DCDFB#30 supports external memory expansion via its 144-pin LQFP package's dedicated external bus interface. It provides four chip-select areas (CS0–CS3), each configurable as 8-bit or 16-bit, with up to 16 Mbytes per area and max 27 MHz bus clock (BCLK). The R5F5634DCDFB#30 supports both multiplexed and separate address/data bus modes, enabling direct connection to NOR Flash, SRAM, or FPGA-based co-processors without glue logic.
What communication interfaces does the R5F5634DCDFB#30 include for consumer electronics control?
The R5F5634DCDFB#30 integrates CEC (Consumer Electronics Control) transmission/reception compliant with CEC standard 1.4 and two Remote Control Receiver (RCR) units supporting four-pattern waveform matching (e.g., NEC, RC-5). These are exclusive to 3-V packages like the R5F5634DCDFB#30 and enable direct HDMI-CEC command handling and infrared remote decoding - eliminating need for external CEC transceivers or IR demodulators in smart TVs, AV receivers, and streaming devices using the R5F5634DCDFB#30.
R5F5634DCDFB#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 144-LQFP
- Series:
- RX600
- Packaging:
- Tray
- Product Status:
- Discontinued at Digi-Key
- Programmable:
- Not Verified
- Core Processor:
- RX
- Core Size:
- 32-Bit Single-Core
- Speed:
- 54MHz
- Connectivity:
- I2C, SCI, SPI
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 114
- 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 ~ 5.5V
- Data Converters:
- A/D 16x12b; D/A 2x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F5634DCDFB#30 FAQ
1.How can I place an order for R5F5634DCDFB#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F5634DCDFB#30 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 R5F5634DCDFB#30 reliable?
The price and inventory of R5F5634DCDFB#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F5634DCDFB#30 is usually 5 days.
3.What payment methods are accepted for R5F5634DCDFB#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F5634DCDFB#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F5634DCDFB#30?
R5F5634DCDFB#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F5634DCDFB#30 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 R5F5634DCDFB#30?
For technical support, including R5F5634DCDFB#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F5634DCDFB#30 requirements.
6.How does Aetrix verify that R5F5634DCDFB#30 is sourced from the original manufacturer or authorized distributors?
All R5F5634DCDFB#30 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 R5F5634DCDFB#30 meets industry standards.
7.What is the process for return or replacement of R5F5634DCDFB#30?
All R5F5634DCDFB#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F5634DCDFB#30, 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 R5F5634DCDFB#30 part is unused and in its original packaging.
Return procedure for R5F5634DCDFB#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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