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Renesas R5F64166DFD#20
- Part No.:
- R5F64166DFD#20
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R5F64166DFD#20.pdf
- Description:
- R32C116 MCU 512K 144LQFP -40/+85
- Quantity:
- Payment:
- Shipping:
Inventory:4,593
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Product details
Overview
R5F64166DFD#20 from Renesas Electronics is a 144-pin LQFP 32-bit CISC microcontroller in the R32C/116 Group, featuring a 64 MHz CPU core, 512 KB flash + 8 KB data flash, 40 KB RAM, IEEE-754 single-precision FPU, and nine UART channels with multi-master I²C support - deployed in industrial motor control and audio subsystems.
For engineers reviewing the R5F64166DFD#20 datasheet, R5F64166DFD#20 pinout, R5F64166DFD#20 application, or R5F64166DFD#20 equivalent, key selection criteria include its 144-pin PLQP0144KA-A package, -40°C to +85°C operating range, 32-bit barrel shifter, 34-channel 10-bit ADC, and three-phase motor control timer with 8-bit dead-time programming.
Technical Context
The R5F64166DFD#20 implements the R32C/100 Series CPU core with 108 basic instructions, 15.625 ns minimum instruction execution time at 64 MHz, and integrated multiplier (32×32→64), MAC unit (32×32+64→64), and single-precision FPU. It supports single-chip, memory expansion, and microprocessor modes.
Its peripheral set includes four DMAC channels with 57 request sources, 261 interrupt vectors, 120 CMOS I/O ports (32 5 V tolerant), nine asynchronous/synchronous serial interfaces (UART0–UART8), and one multi-master I²C-bus interface - all mapped to dedicated pins in the 144-pin LQFP package.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | R32C/100 Series 32-bit CISC with 108 instructions, 64 MHz max operation |
| Memory | 512 KB main flash + 8 KB × 2 data flash blocks + 40 KB RAM |
| ADC | 10-bit resolution, 34 input channels with sample-and-hold |
| DAC | 8-bit resolution, dual-channel output |
| Timers | Five 16-bit Timer A units, six 16-bit Timer B units, one three-phase motor control timer |
| Serial Interfaces | Nine UART channels supporting I²C-bus (UART0–UART6), special mode 2, and optional IEBus |
| Operating Temp | -40°C to +85°C (D version) |
| Package | 144-pin plastic molded LQFP (PLQP0144KA-A) |
Pinout & Package
144-pin plastic molded LQFP (PLQP0144KA-A) with 0.5 mm pitch, 20 mm × 20 mm body size, and exposed thermal pad (non-electrical). Pin 1 index marked per JEDEC MO-220.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P7_1 | Timer A0 input / UART2 RXD/SCL2/STXD2 / I²C clock line | Primary input for TA0IN; also serves as SCL2 for I²C-bus channel 2 |
| P7_0 | Timer A0 output / UART2 TXD/SDA2/SRXD2 / I²C data line | Drives TA0OUT signal and functions as SDA2 for I²C-bus channel 2 |
| P10_0 to P10_7 | Analog inputs / Key interrupt inputs | Eight dedicated analog input pins (AN_0 to AN_7) with KI0–KI3 key interrupt capability |
| P15_0 to P15_7 | Intelligent I/O / UART6/7/8 / Analog inputs AN15_0–AN15_7 | Eight pins supporting variable-length synchronous serial I/O and 16-bit analog input group AN15 |
| P6_0 to P6_7 | UART0–UART1 / Clock/CTS/RTS/SS / External bus control | Supports full UART0/UART1 operation plus chip select (CS0–CS3), wait-state control, and external bus interfacing |
Key Features
| Feature | Design Value |
|---|---|
| IEEE-754 FPU | Single-precision floating-point arithmetic enables real-time motor vector control without external coprocessor |
| Three-phase motor timer | Dedicated hardware timer with 8-bit programmable dead-time generator for gate driver safety in BLDC/PMSM drives |
| 9-channel UART with I²C mode | UART0–UART6 configurable as multi-master I²C-bus interfaces, reducing external level-shifting components |
| 34-channel 10-bit ADC | Integrated sample-and-hold allows simultaneous sampling across multiple analog sensors in motor current/voltage monitoring |
| DMAC II engine | Interrupt-triggered transfers with immediate data, calculation result, and chain transfer modes - offloads CPU during sensor data acquisition |
| 5 V tolerant I/O | 32 pins (P4_0–P4_7, P5_4–P5_7, P6_0–P6_7, P7_0–P7_7, P8_0–P8_3) interface directly with legacy 5 V logic without level shifters |
Applications
| Industrial Motor Control | Car Audio Head Unit |
|---|---|
Use Scenario: Real-time field-oriented control (FOC) of 3-phase BLDC motors in HVAC blowers and industrial pumps. IC Role / Device Role / Timing Role: Primary controller executing FOC algorithm via FPU, managing PWM generation, ADC sampling, and gate driver timing with dead-time insertion. Use Value: Integrated three-phase motor timer and 34-channel ADC enable synchronized current sensing and commutation without external timing ICs or muxing. | Use Scenario: Central audio processor in automotive head units handling DSP, source switching, and amplifier control. IC Role / Device Role / Timing Role: Main MCU coordinating I²C-based codec configuration, UART-linked Bluetooth/WiFi modules, and key scan for front-panel UI. Use Value: Nine UART channels allow concurrent connection to tuner, display, USB bridge, and amplifier ICs - eliminating external UART expanders. |
| Office Equipment Scanner | Home Appliance Control Panel |
Use Scenario: Image sensor interface and motor sequencing in multifunction printer/scanner systems. IC Role / Device Role / Timing Role: Master controller managing stepper motor timing, CIS/CCD sensor readout via intelligent I/O, and USB host communication. Use Value: Intelligent I/O supports precise input capture (16-bit × 16) and waveform generation (16-bit × 24), enabling direct CIS line timing without FPGA. | Use Scenario: User interface and subsystem coordination in smart washing machines and dishwashers. IC Role / Device Role / Timing Role: System-on-chip managing touch key scan (KI0–KI3), temperature/pressure ADC reads, relay/valve actuation, and display backlight PWM. Use Value: 120 CMOS I/O ports with selectable pull-ups and 5 V tolerance simplify direct connection to mechanical switches, thermistors, and triac drivers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F64166NFD#20 | Same core, memory, and peripherals; rated for -20°C to +85°C (N version) | Suitable for commercial indoor environments only; not qualified for extended industrial temperature range | Select when ambient operating temperature remains above -20°C and cost sensitivity outweighs industrial qualification |
| R5F64167DFD#20 | 640 KB flash + 8 KB data flash + 48 KB RAM; otherwise identical peripheral set and pinout | Required where firmware image size exceeds 512 KB or additional RAM is needed for complex GUI or protocol stacks | Choose when application firmware grows beyond R5F64166DFD#20's 512 KB flash capacity or requires >40 KB RAM buffer space |
Compared with R5F64166NFD#20, the R5F64166DFD#20 adds extended temperature qualification (-40°C to +85°C) critical for under-hood or factory-floor deployment; compared with R5F64167DFD#20, it trades 128 KB flash and 8 KB RAM for lower cost and power in fixed-function control applications.
Availability
R5F64166DFD#20 is available at Aetrix Electronics and suitable for industrial motor control, car audio head units, office equipment scanners, and home appliance control panels requiring stable component supply over long production lifecycles.
Supply support for R5F64166DFD#20 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 R32C/116 Group belongs to the high-end R32C/100 Series MCU line, designed for demanding real-time control applications requiring high code efficiency, deterministic timing, and rich on-chip peripheral integration - especially in motor drive and audio processing systems.
FAQ
What is the maximum operating frequency of the R5F64166DFD#20?
The R5F64166DFD#20 operates at a maximum CPU frequency of 64 MHz, achieving a minimum instruction execution time of 15.625 ns. This high-speed performance is enabled by its R32C/100 Series CPU core with integrated 32-bit barrel shifter and PLL clock generator. The device maintains this speed across its full -40°C to +85°C industrial temperature range.
Does the R5F64166DFD#20 include an integrated FPU?
Yes, the R5F64166DFD#20 integrates an IEEE-754 compatible single-precision floating-point unit (FPU) within its R32C/100 Series CPU core. This FPU accelerates real-time mathematical operations required for motor control algorithms, digital signal processing, and sensor fusion - eliminating the need for software emulation or external coprocessors in precision control applications.
How many analog-to-digital converter channels does the R5F64166DFD#20 support?
The R5F64166DFD#20 supports 34 channels of 10-bit analog-to-digital conversion with integrated sample-and-hold functionality. These channels are distributed across multiple analog input groups (AN_0–AN_7, AN0_0–AN0_7, AN2_0–AN2_7, AN15_0–AN15_7), enabling simultaneous sampling for multi-sensor monitoring in motor control and industrial sensing applications.
Is the R5F64166DFD#20 pin-compatible with other R32C/116 Group MCUs?
Yes, the R5F64166DFD#20 uses the 144-pin PLQP0144KA-A package and shares identical pinout and peripheral mapping with all other 144-pin R32C/116 Group devices, including R5F64165DFD#20, R5F64167DFD#20, and R5F64168DFD#20. This allows direct substitution within the same footprint when memory or feature requirements change.
What serial communication interfaces are available on the R5F64166DFD#20?
The R5F64166DFD#20 provides nine asynchronous/synchronous serial interface channels (UART0–UART8), with UART0–UART6 configurable as multi-master I²C-bus interfaces. It also supports optional IEBus and special mode 2 protocols. All UART channels include full CTS/RTS flow control and synchronous serial I/O capability via intelligent I/O pins.
R5F64166DFD#20 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 144-LQFP
- Series:
- M16C/R32C/100/116
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- 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:
- 120
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 40K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 5.5V
- Data Converters:
- A/D 34x10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F64166DFD#20 FAQ
1.How can I place an order for R5F64166DFD#20 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F64166DFD#20 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 R5F64166DFD#20 reliable?
The price and inventory of R5F64166DFD#20 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F64166DFD#20 is usually 5 days.
3.What payment methods are accepted for R5F64166DFD#20?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F64166DFD#20 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F64166DFD#20?
R5F64166DFD#20 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F64166DFD#20 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 R5F64166DFD#20?
For technical support, including R5F64166DFD#20 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F64166DFD#20 requirements.
6.How does Aetrix verify that R5F64166DFD#20 is sourced from the original manufacturer or authorized distributors?
All R5F64166DFD#20 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 R5F64166DFD#20 meets industry standards.
7.What is the process for return or replacement of R5F64166DFD#20?
All R5F64166DFD#20 units undergo pre-shipment inspection (PSI). If there is an issue with R5F64166DFD#20, 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 R5F64166DFD#20 part is unused and in its original packaging.
Return procedure for R5F64166DFD#20:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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