Renesas R5F64110DFB#U0
- Part No.:
- R5F64110DFB#U0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F64110DFB#U0.pdf
- Description:
- IC MCU 16/32BIT 256KB 100LFQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F64110DFB#U0 from Renesas Electronics is a 32-bit CISC microcontroller in the R32C/111 Group, featuring a 50 MHz CPU core with IEEE-754 single-precision FPU, 256 KB flash + 8 KB data flash, 63 KB RAM, and nine UART channels - deployed in industrial metering, home appliance control, and office equipment where deterministic real-time I/O and motor timing are critical.
For engineers reviewing the R5F64110DFB#U0 datasheet, R5F64110DFB#U0 pinout, R5F64110DFB#U0 application, or R5F64110DFB#U0 equivalent, this page delivers verified package mapping (100-pin LQFP), validated peripheral integration (A/D ×26, D/A ×2, three-phase motor timer), and confirmed alternative options for migration or second-sourcing.
Technical Context
The R5F64110DFB#U0 implements the R32C/100 Series CPU core with 108 basic instructions, 20 ns minimum instruction execution time at 50 MHz, and hardware multiplier/accumulate unit supporting 32×32→64-bit operations. Its memory architecture provides 4 GB address space with up to 64 MB user-accessible external bus interface.
It integrates dual DMA controllers (DMAC and DMAC II), 261 interrupt vectors with 7 priority levels, and a configurable clock system with main/sub oscillators, PLL, and on-chip oscillator - enabling precise timing coordination across UARTs, timers, and intelligent I/O functions including input capture (16-bit ×16) and output compare (16-bit ×19).
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 |
| Memory | 256 KB flash + 8 KB data flash (2 blocks), 63 KB RAM - supports firmware updates and data logging without external storage |
| Analog Peripherals | 10-bit A/D converter ×26 channels with sample-and-hold; 8-bit D/A ×2 - suitable for sensor signal conditioning and analog actuator control |
| Serial Interfaces | 9-channel UART (UART0–UART8), supporting I²C-bus mode (UART0–UART6), IEBus (optional), and variable-length synchronous serial I/O |
| Timers & Motor Control | Timer A ×5 (16-bit), Timer B ×6 (16-bit), three-phase motor control timer with 8-bit programmable dead time - directly drives gate drivers in BLDC/PMSM systems |
| Operating Temperature | −40°C to +85°C (D version) - qualified for industrial environments with thermal cycling and extended runtime |
Pinout & Package
Package: 100-pin plastic molded LQFP (PLQP0100KB-A), 0.5 mm pitch, 14 mm × 14 mm body size, exposed pad not specified.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC1 / VCC2 | Core & I/O power supply | Separate 3.0–5.5 V domains enable noise isolation between analog/digital sections and external bus interface |
| AVCC / AVSS | Analog power reference | Dedicated analog supply pins must be decoupled independently to maintain 10-bit A/D accuracy |
| P7_0 / P7_1 | CMOS I/O with open-drain capability | Configurable as N-channel open-drain outputs - used for I²C-bus SDA2/SCL2 and IEIN/IEOUT signals |
| TXD2 / SDA2 / SRXD2 | Multi-function serial data pin | Shared UART2 transmit, I²C-bus data, and synchronous receive - requires software-controlled mode selection |
| TA0OUT / TA0IN / TB0IN | Timer A/B input/output | Supports PWM generation (TA0OUT), encoder input (TA0IN), and external event capture (TB0IN) on same port group |
Key Features
| Feature | Design Value |
|---|---|
| Three-phase motor control timer | Integrated U/V/W phase outputs with 8-bit programmable dead time - eliminates need for external gate driver logic in inverter designs |
| CRC-CCITT calculator | Hardware-accelerated CRC-CCITT (X¹⁶+X¹²+X⁵+1) - offloads checksum computation from CPU during communication protocol handling |
| Intelligent I/O subsystem | 16-bit input capture ×16 and 16-bit output compare ×19 - enables high-resolution waveform synthesis and timing-critical edge detection without CPU intervention |
| External bus interface | 4 GB address space with wait-state insertion, 4 chip selects, and 8/16-bit data bus width - supports NOR flash, SRAM, and FPGA co-processors |
| On-chip debug & flash programming | Full JTAG-based on-chip debug with flash erase/program capability - enables field firmware updates without external programmers |
Applications
| Industrial Metering | Home Appliance Control |
|---|---|
|
Use Scenario: Digital electricity/water/gas meter with pulse counting, tariff switching, and RS-485 communication. IC Role / Device Role / Timing Role: Primary controller managing A/D sampling of sensor signals, real-time tariff calculation, and UART-driven metering protocol stack. Use Value: 26-channel 10-bit A/D with sample-and-hold ensures accurate energy measurement; UART6/7 support RS-485 half-duplex with automatic direction control via RTS/CTS. |
Use Scenario: Washing machine main board controlling motor drive, water valve, temperature sensing, and HMI display. IC Role / Device Role / Timing Role: Central MCU executing PID temperature regulation, three-phase inverter timing, and touch-key scanning. Use Value: Integrated three-phase motor timer with dead-time control synchronizes gate signals; KI0–KI3 inputs enable low-power key wake-up without external interrupt IC. |
| Office Equipment | Industrial Automation |
|
Use Scenario: Laser printer engine controller coordinating laser diode modulation, paper feed timing, and toner density feedback. IC Role / Device Role / Timing Role: Real-time motion controller interfacing with stepper/servo drivers and optical encoders via intelligent I/O. Use Value: 16-bit input capture ×16 handles high-speed encoder quadrature decoding; UART0–UART3 support parallel printer interfaces and internal diagnostics. |
Use Scenario: PLC I/O module performing analog input conditioning, digital output sequencing, and Modbus RTU over RS-485. IC Role / Device Role / Timing Role: Deterministic I/O processor managing cyclic data exchange, watchdog supervision, and fault-safe shutdown sequences. Use Value: 261 interrupt vectors and 7 priority levels ensure timely response to fieldbus events; data flash ×2 blocks store calibration coefficients and firmware rollback images. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F64111DFB#U0 | 384 KB flash + 8 KB data flash, same 63 KB RAM, identical pinout and peripheral set | Higher firmware capacity for complex protocol stacks or dual-application partitioning | Select when bootloader, OTA update image, or safety-certified code footprint exceeds 256 KB |
| R5F64112DFB#U0 | 512 KB flash + 8 KB data flash, same 63 KB RAM, identical pinout and peripheral set | Extended program memory for feature-rich HMI, multi-protocol support, or embedded web server | Choose for next-generation designs requiring future-proof firmware headroom without PCB change |
Compared with R5F64110DFB#U0, the R5F64111DFB#U0 and R5F64112DFB#U0 provide scalable flash capacity while preserving full hardware compatibility - enabling seamless migration paths within the same LQFP-100 footprint and toolchain.
Availability
R5F64110DFB#U0 is available at Aetrix Electronics and suitable for industrial metering, home appliance control, and office equipment requiring stable component supply across multi-year production cycles.
Supply support for R5F64110DFB#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 management solutions for automotive, industrial, and IoT markets.
The R32C/111 Group belongs to the high-end R32C/100 Series MCU line, designed specifically for industrial-grade applications demanding high computational throughput, rich analog integration, and deterministic real-time I/O performance.
FAQ
What is the operating voltage range for the R5F64110DFB#U0?
The R5F64110DFB#U0 operates with VCC1 = VCC2 = 3.0 V to 5.5 V (VCC1 ≥ VCC2), supporting direct connection to standard 3.3 V or 5 V system rails. The analog supply AVCC must be tied to VCC1, and AVSS to VSS, to maintain 10-bit A/D converter accuracy across the full voltage range.
Does the R5F64110DFB#U0 support hardware debugging?
Yes, the R5F64110DFB#U0 includes full on-chip debug capability via the NSD pin using Renesas E1/E20 emulators. It supports breakpoint setting, real-time variable monitoring, and flash programming - eliminating the need for external debug probes during development and field firmware updates.
How many UART channels does the R5F64110DFB#U0 provide, and which support I²C-bus mode?
The R5F64110DFB#U0 provides nine UART channels (UART0 through UART8). UART0 to UART6 support I²C-bus mode, enabling direct connection to I²C peripherals without external level shifters or protocol converters - a key advantage for sensor-rich industrial designs.
What is the maximum number of A/D input channels supported by the R5F64110DFB#U0?
The R5F64110DFB#U0 supports up to 26 channels of 10-bit A/D conversion with integrated sample-and-hold circuitry. This includes 10 dedicated analog inputs (AN0_0–AN0_7, AN_0–AN_7) plus additional channels accessible via port multiplexing (e.g., P10_0–P10_7, P0_0–P0_7), enabling comprehensive sensor monitoring in compact systems.
Is the R5F64110DFB#U0 pin-compatible with other devices in the R32C/111 Group?
Yes, all R32C/111 Group devices in the 100-pin LQFP package (e.g., R5F64111DFB#U0, R5F64112DFB#U0) share identical pin assignments, electrical characteristics, and peripheral register maps - allowing drop-in replacement for flash capacity upgrades without layout or firmware changes.
R5F64110DFB#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:
- 256KB (256K 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:
R5F64110DFB#U0 FAQ
1.How can I place an order for R5F64110DFB#U0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F64110DFB#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 R5F64110DFB#U0 reliable?
The price and inventory of R5F64110DFB#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F64110DFB#U0 is usually 5 days.
3.What payment methods are accepted for R5F64110DFB#U0?
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R5F64110DFB#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F64110DFB#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 R5F64110DFB#U0?
For technical support, including R5F64110DFB#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F64110DFB#U0 requirements.
6.How does Aetrix verify that R5F64110DFB#U0 is sourced from the original manufacturer or authorized distributors?
All R5F64110DFB#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 R5F64110DFB#U0 meets industry standards.
7.What is the process for return or replacement of R5F64110DFB#U0?
All R5F64110DFB#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F64110DFB#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 R5F64110DFB#U0 part is unused and in its original packaging.
Return procedure for R5F64110DFB#U0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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