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Renesas R5F64111DFB#U0
- Part No.:
- R5F64111DFB#U0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F64111DFB#U0.pdf
- Description:
- IC MCU 16/32BIT 384KB 100LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,518
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Product details
Overview
R5F64111DFB#U0 from Renesas Electronics is a 32-bit CISC microcontroller in the R32C/111 Group, featuring a 50 MHz CPU core, 384 KB flash + 8 KB data flash, 63 KB RAM, IEEE-754 single-precision FPU, and nine UART channels. It serves as a system controller in industrial metering and home appliance motor control with integrated three-phase motor timer, 26-channel 10-bit ADC, and dual 8-bit DAC.
For engineers reviewing the R5F64111DFB#U0 datasheet, R5F64111DFB#U0 pinout, R5F64111DFB#U0 application, or R5F64111DFB#U0 equivalent, key selection criteria include its 100-pin LQFP package, -40°C to +85°C operating range, on-chip debug support, and compatibility with R32C/100 Series peripheral register mapping for scalable firmware reuse.
Technical Context
The R5F64111DFB#U0 implements the R32C/100 Series CPU core with 108 basic instructions, 20 ns minimum instruction execution time at 50 MHz, and hardware multiplier/MAC/FPU units enabling deterministic real-time motor control math. Its memory architecture supports 4 GB address space with up to 64 MB user-accessible external bus interface.
Peripherals include four DMAC channels with 51 request sources, 16-bit Timer A × 5 and Timer B × 6 with encoder input and PWM modes, and intelligent I/O supporting 16 input-capture and 19 output-compare functions. The device integrates CRC-CCITT calculation, X-Y converter, and programmable dead-time generation for three-phase inverter gate drive.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | R32C/100 Series 32-bit CISC with IEEE-754 single-precision FPU and 32-bit barrel shifter |
| Max Operating Frequency | 50 MHz - enables 20 ns instruction cycle for deterministic real-time control loops |
| Flash / Data Flash | 384 KB program flash + 4 KB × 2 data flash blocks - supports field firmware updates and parameter storage |
| RAM | 63 KB SRAM - sufficient for real-time control buffers, communication stacks, and algorithm working memory |
| Analog Peripherals | 26-channel 10-bit ADC with sample-and-hold; dual 8-bit DAC - enables closed-loop analog sensing and actuation |
| Serial Interfaces | 9 UART channels supporting I²C-bus (UART0–UART6), IEBus (optional), and synchronous serial I/O - provides multi-protocol connectivity |
| Operating Temperature | -40°C to +85°C (D version) - qualified for industrial and consumer equipment environments |
| Package | 100-pin plastic LQFP (PLQP0100KB-A) - standard surface-mount footprint with 0.5 mm pitch and exposed thermal pad |
Pinout & Package
Package: 100-pin plastic molded LQFP (PLQP0100KB-A), 14 mm × 14 mm, 0.5 mm pitch, exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC1 / VCC2 | Core & I/O power supply | Dual-supply operation: VCC1 = 3.0–5.5 V (core, analog, debug); VCC2 = 3.0 V to VCC1 (I/O, bus interface) |
| AVCC / AVSS | Analog power reference | Separate analog domain supply pins-must be decoupled independently to ensure 10-bit ADC accuracy |
| XIN / XOUT | Main clock oscillator interface | Supports crystal (1–20 MHz) or external clock input; required for PLL-based 50 MHz CPU operation |
| XCIN / XCOUT | Sub-clock oscillator interface | 32.768 kHz crystal connection for RTC and low-power wait/stop mode timing |
| P7_0 / P7_1 | Open-drain I/O ports | N-channel open-drain outputs-used for I²C-bus SDA2/SCL2 and require external pull-up resistors |
| TA0OUT / TA1OUT / … / TA4OUT | Timer A output signals | 16-bit timer outputs supporting PWM, one-shot, and encoder quadrature decoding across five independent timers |
| U/V/W | Three-phase motor control outputs | Complementary high-side/low-side outputs derived from Timer A1/A2/A4 and Timer B2 with 8-bit programmable dead time |
| TXD0–TXD8 / RXD0–RXD8 | UART transmit/receive lines | Nine independent asynchronous/synchronous serial channels-enables concurrent communication with displays, sensors, and host controllers |
Key Features
| Feature | Design Value |
|---|---|
| IEEE-754 Single-Precision FPU | Hardware-accelerated floating-point arithmetic eliminates software library overhead in motor vector control and sensor fusion |
| Three-Phase Motor Control Timer | Integrated six-channel complementary output generator with 8-bit programmable dead-time-reduces external gate driver complexity |
| 26-Channel 10-Bit ADC | On-chip sample-and-hold enables simultaneous sampling of current/voltage feedback for field-oriented control (FOC) |
| Four-Channel DMAC | Offloads CPU during high-bandwidth transfers (e.g., ADC result buffering, UART DMA, external memory access) with 51 request sources |
| On-Chip Debug Interface | NSD pin-based debug port supports full-speed real-time tracing, breakpoint setting, and flash programming without external JTAG adapter |
| IEBus Support (Optional) | Configurable UART channels (UART0–UART6) can implement IEBus protocol for automotive body electronics interoperability |
Applications
| Industrial Energy Metering | Home Appliance Motor Control |
|---|---|
|
Use Scenario: Three-phase kWh meter with harmonic analysis, tamper detection, and RS-485 communication. IC Role / Device Role / Timing Role: System controller executing metrology algorithms, managing 26-channel ADC sampling, and driving isolated UART for DLMS/COSEM protocol. Use Value: Integrated CRC calculator ensures secure firmware updates; dual DAC enables analog calibration signal generation; 50 MHz CPU sustains real-time FFT computation. |
Use Scenario: Inverter-driven washing machine with variable-speed brushless DC motor and water-level sensing. IC Role / Device Role / Timing Role: Real-time motor controller generating six PWM outputs with programmable dead time, reading hall-effect sensors via 16-bit timer inputs, and managing user interface via UART/I²C. Use Value: Three-phase motor control timer eliminates external logic; 10-bit ADC resolves current ripple for precise torque control; 63 KB RAM buffers sensor history for adaptive wash cycle optimization. |
| Office Equipment Motion Control | Smart HVAC Fan Management |
|
Use Scenario: Laser printer paper feed and fuser roller subsystem requiring synchronized stepper and BLDC motor control. IC Role / Device Role / Timing Role: Motion sequencer coordinating multiple timers (event counter, PWM, encoder input) and managing CAN/I²C peripherals for subsystem coordination. Use Value: Nine UART channels enable concurrent communication with main controller, toner sensor, and thermal monitor; intelligent I/O supports 19 waveform outputs for multi-axis motion profiles. |
Use Scenario: Variable-air-volume (VAV) box with EC fan, temperature/humidity sensing, and BACnet MS/TP communication. IC Role / Device Role / Timing Role: Environmental controller acquiring analog sensor data, computing PID fan speed setpoints, and driving 3-phase inverter via U/V/W outputs. Use Value: On-chip FPU accelerates floating-point PID calculations; 384 KB flash stores multiple HVAC control algorithms; low-power wait mode (<8 µA) extends battery backup runtime. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F64112DFB | 512 KB flash + 8 KB data flash, same 63 KB RAM, identical peripherals and pinout | Higher firmware capacity for complex communication stacks or OTA update partitions | Select when future firmware expansion or dual-bank bootloading is required |
| R5F64110DFB | 256 KB flash + 8 KB data flash, same 63 KB RAM, identical peripherals and pinout | Reduced code space suitable for cost-sensitive metering or simpler motor control | Select for legacy design migration or BOM cost optimization without feature reduction |
Compared with R5F64111DFB#U0, R5F64112DFB offers greater flash headroom for feature-rich firmware while maintaining identical real-time performance and peripheral integration; R5F64110DFB trades flash capacity for lower unit cost but retains full compatibility for streamlined applications.
Availability
R5F64111DFB#U0 is available at Aetrix Electronics and suitable for industrial energy metering, home appliance motor control, office equipment motion systems, and smart HVAC fan management requiring stable component supply across multi-year production cycles.
Supply support for R5F64111DFB#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, and power solutions for industrial, automotive, and IoT applications.
The R32C/111 Group belongs to the high-end R32C/100 Series MCU family, designed for demanding real-time control applications requiring high computational throughput, rich analog integration, and deterministic peripheral response-especially in motor drives and precision instrumentation.
FAQ
What is the maximum operating frequency and voltage range for the R5F64111DFB#U0?
The R5F64111DFB#U0 operates at a maximum frequency of 50 MHz with VCC1 and VCC2 supplied between 3.0 V and 5.5 V (VCC1 ≥ VCC2). At 5.0 V and 50 MHz, typical active current consumption is 32 mA; in wait mode with 32.768 kHz sub-clock, it draws only 8 µA-enabling energy-efficient operation in battery-backed systems.
Does the R5F64111DFB#U0 support on-chip debugging and flash programming?
Yes, the R5F64111DFB#U0 includes an on-chip debug interface accessible via the NSD pin, supporting real-time tracing, breakpoint insertion, and full-speed execution monitoring. It also enables on-board flash programming through the same interface-eliminating the need for external debug adapters during development and field updates.
How many UART channels does the R5F64111DFB#U0 provide, and which support I²C-bus?
The R5F64111DFB#U0 provides nine UART channels (UART0 through UART8). UART0 to UART6 support I²C-bus functionality in addition to standard asynchronous/synchronous serial operation-allowing flexible use of these peripherals for both communication and sensor interfacing without dedicated I²C hardware.
What analog peripherals are integrated into the R5F64111DFB#U0?
The R5F64111DFB#U0 integrates a 26-channel 10-bit ADC with sample-and-hold circuitry, two independent 8-bit DACs, and dedicated analog power pins (AVCC/AVSS). These peripherals support simultaneous sampling for motor current sensing and provide calibrated analog outputs for sensor excitation or calibration signal generation.
Is the R5F64111DFB#U0 pin-compatible with other devices in the R32C/111 Group?
Yes, the R5F64111DFB#U0 shares identical pinout and peripheral register mapping with all 100-pin LQFP variants in the R32C/111 Group-including R5F64110DFB and R5F64112DFB-enabling drop-in replacement based on flash size requirements without PCB or firmware changes.
R5F64111DFB#U0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- M16C/R32C/100/111
- Packaging:
- Tray
- Product Status:
- Not For New Designs
- Programmable:
- Not Verified
- Core Processor:
- R32C/100
- Core Size:
- 16/32-Bit
- Speed:
- 50MHz
- Connectivity:
- EBI/EMI, I2C, IEBus, UART/USART
- Peripherals:
- DMA, LVD, PWM, WDT
- Number of I/O:
- 82
- Program Memory Size:
- 384KB (384K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 63K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 5.5V
- Data Converters:
- A/D 26x10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F64111DFB#U0 FAQ
1.How can I place an order for R5F64111DFB#U0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F64111DFB#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 R5F64111DFB#U0 reliable?
The price and inventory of R5F64111DFB#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F64111DFB#U0 is usually 5 days.
3.What payment methods are accepted for R5F64111DFB#U0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F64111DFB#U0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F64111DFB#U0?
R5F64111DFB#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F64111DFB#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 R5F64111DFB#U0?
For technical support, including R5F64111DFB#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F64111DFB#U0 requirements.
6.How does Aetrix verify that R5F64111DFB#U0 is sourced from the original manufacturer or authorized distributors?
All R5F64111DFB#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 R5F64111DFB#U0 meets industry standards.
7.What is the process for return or replacement of R5F64111DFB#U0?
All R5F64111DFB#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F64111DFB#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 R5F64111DFB#U0 part is unused and in its original packaging.
Return procedure for R5F64111DFB#U0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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