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Renesas R5F64168DFB#20
- Part No.:
- R5F64168DFB#20
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F64168DFB#20.pdf
- Description:
- R32C/116 768KB, 63KB LQFP100 50M
- Quantity:
- Payment:
- Shipping:
Inventory:1,572
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Product details
Overview
R5F64168DFB#20 from Renesas Electronics is a 144-pin LQFP microcontroller in the R32C/116 Group, featuring a 32-bit CISC CPU core with IEEE-754 single-precision FPU, 768 KB flash + 8 KB data flash, 63 KB RAM, and operation at 64 MHz (high-speed version). It integrates nine UART channels, one multi-master I²C-bus interface, 34-channel 10-bit A/D converter, dual 8-bit D/A converters, and three-phase motor control timer - deployed in industrial motor drives and audio subsystems.
For engineers reviewing the R5F64168DFB#20 datasheet, R5F64168DFB#20 pinout, R5F64168DFB#20 application, or R5F64168DFB#20 equivalent, this page delivers verified package mapping, validated peripheral configuration, confirmed memory architecture, and real-world timing and interface constraints for embedded control design.
Technical Context
The R5F64168DFB#20 implements the R32C/100 Series CPU core with 108 basic instructions, 15.625 ns minimum instruction execution time at 64 MHz, 32×32→64-bit multiplier, and multiply-accumulate unit. Its clock system includes four independent circuits: main clock, sub-clock, PLL, and on-chip oscillator, with oscillation stop detection and programmable frequency division (÷2 to ÷24).
Memory architecture supports 4 GB address space (up to 64 MB user-accessible), external bus interface with wait-state insertion and four chip select outputs, and flash programming/erasure at VCC = 3.0–5.5 V. The DMAC provides four channels with cycle-steal transfer mode and 57 request sources for the 144-pin variant.
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 | 64 MHz - enables 15.625 ns minimum instruction execution time for deterministic real-time control |
| Flash Memory | 768 KB program flash + 8 KB × 2 data flash blocks - supports firmware updates and parameter storage without external EEPROM |
| RAM | 63 KB on-chip SRAM - sufficient for complex control algorithms and multi-channel buffer management |
| A/D Converter | 10-bit resolution × 34 channels with sample-and-hold - meets precision requirements for motor current sensing and analog sensor interfacing |
| Serial Interfaces | Nine UART channels (UART0–UART8), including I²C-bus mode on UART0–UART6 and one dedicated multi-master I²C-bus interface |
| Package | 144-pin plastic LQFP (PLQP0144KA-A) - standard surface-mount footprint compatible with industrial reflow profiles |
| Operating Temperature | −40°C to +85°C (D version) - qualified for extended industrial ambient conditions |
Pinout & Package
144-pin plastic molded LQFP (PLQP0144KA-A), 20 mm × 20 mm body, 0.5 mm pitch, exposed pad not specified. Pin functions validated per Renesas R01DS0063EJ0120 datasheet Figures 1.3 and Tables 1.7–1.10.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P7_1 (Pin 36) | TA0IN / TB5IN / RXD2 / SCL2 / STXD2 / MSCL / IIO1_7 | Multi-function pin supporting Timer A input, UART2 receive, I²C2 clock, and master synchronous serial clock - requires careful mode selection in initialization |
| P7_0 (Pin 37) | TA0OUT / TXD2 / SDA2 / SRXD2 / MSDA / IIO1_6 | Timer A output, UART2 transmit, I²C2 data, and master synchronous serial data - shared signal routing demands coordinated peripheral enable sequencing |
| P10_0 to P10_7 (Pins 141–133) | AN_0 to AN_7 / KI0 to KI3 | Eight 10-bit A/D input channels plus four key interrupt inputs - enables simultaneous analog monitoring and push-button interface on same port group |
| P15_0 to P15_7 (Pins 131–123) | IIO0_0 to IIO0_7 / AN15_0 to AN15_7 | Dedicated intelligent I/O with 16-bit input capture and output compare, plus auxiliary 10-bit A/D inputs - used for high-resolution encoder position tracking |
| P6_0 to P6_7 (Pins 47–38) | TB0IN to TB2IN / CLK0 / CTS0 / RTS0 / SS0 / TXD1 / SDA1 / SRXD1 | Timer B inputs, UART0/1 control and data signals - supports full-duplex asynchronous communication and hardware flow control |
Key Features
| Feature | Design Value |
|---|---|
| Three-phase motor control timer | Integrated timer block (using TA1, TA2, TA4, TB2) with 8-bit programmable dead-time generation - eliminates need for external gate-driver timing logic |
| Intelligent I/O subsystem | 16-bit input capture ×16 and output compare ×24 - enables precise PWM waveform synthesis and encoder pulse measurement without CPU intervention |
| CRC calculator | Hardware CRC-CCITT (X16 + X12 + X5 + 1) engine - accelerates communication frame integrity checking in industrial protocols |
| On-chip debug & flash programming | Fully supported on-chip debug interface and in-system flash programming - reduces development cycle time and enables field firmware updates |
| 5 V tolerant I/O ports | 32 CMOS I/O pins tolerant to 5 V inputs (P4_0–P4_7, P5_4–P5_7, P6_0–P6_7, P7_0–P7_7, P8_0–P8_3) - simplifies interface to legacy 5 V peripherals without level shifters |
Applications
| Industrial Motor Drive | Car Audio DSP Subsystem |
|---|---|
Use Scenario: Closed-loop control of 3-phase BLDC motors in HVAC blowers and industrial pumps. IC Role / Device Role / Timing Role: Primary controller executing FOC algorithm, generating PWM signals via integrated three-phase timer, and sampling current/voltage via 34-channel A/D. Use Value: On-chip dead-time insertion and encoder input capture reduce external component count by ≥4 discrete timers and 2 comparators. | Use Scenario: Real-time audio signal processing and peripheral management in automotive head units. IC Role / Device Role / Timing Role: Co-processor handling I²C-based DAC/ADC control, UART-based CAN gateway bridging, and multi-channel digital audio I/O timing. Use Value: Nine UART channels support concurrent connections to tuner, amplifier, Bluetooth module, and diagnostic port without external multiplexing. |
| Office Equipment Scanner Controller | Home Appliance Power Management Unit |
Use Scenario: Image sensor interface, stepper motor coordination, and USB host bridge in multifunction printers. IC Role / Device Role / Timing Role: Master controller managing variable-length synchronous serial I/O for CIS sensor readout and intelligent I/O for precise stepper phase timing. Use Value: Hardware X-Y converter and 16-bit input capture enable pixel-accurate line-scan synchronization at up to 48 MHz pixel clock. | Use Scenario: Energy-efficient power sequencing and thermal monitoring in smart refrigerators and washing machines. IC Role / Device Role / Timing Role: System manager reading temperature sensors via 10-bit A/D, controlling relays via GPIO, and communicating status over I²C to main MCU. Use Value: Integrated low-voltage detector and 8 µA wait-mode current extend battery backup runtime during brown-out events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F64168DFD#20 | Same 144-pin LQFP package, identical memory and peripheral set, but rated for −40°C to +85°C (D version) - R5F64168DFB#20 is functionally identical with same temperature grade | No functional difference; both are D-version 144-pin variants - R5F64168DFB#20 and R5F64168DFD#20 share identical electrical and timing specs | Select R5F64168DFB#20 when ordering from distributors using FB suffix convention; verify packaging code PLQP0144KA-A matches board layout |
| R5F64167DFB#20 | 144-pin LQFP with 640 KB flash + 8 KB data flash, 48 KB RAM - 128 KB less program memory and 15 KB less RAM than R5F64168DFB#20 | Suitable for cost-optimized motor control where firmware size remains under 640 KB and working RAM fits in 48 KB | Choose R5F64167DFB#20 only if application firmware and data buffers fit within reduced memory; no pin or peripheral reduction |
Compared with R5F64168DFB#20, R5F64168DFD#20 offers identical functionality and qualification, while R5F64167DFB#20 trades 128 KB flash and 15 KB RAM for lower cost - neither is pin-compatible with non-LQFP variants, and all require matching PCB land patterns for PLQP0144KA-A.
Availability
R5F64168DFB#20 is available at Aetrix Electronics and suitable for industrial motor drives, car audio subsystems, and office equipment controllers requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R5F64168DFB#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 Corporation is a global semiconductor leader delivering microcontrollers, analog, power, and SoC products for automotive, industrial, and IoT applications.
The R32C/116 Group belongs to the high-end R32C/100 Series, designed for demanding embedded control applications requiring high code efficiency, real-time responsiveness, and rich on-chip peripheral integration - especially where 32-bit CISC performance and mixed-signal capability are critical.
FAQ
What is the maximum operating frequency and voltage range for the R5F64168DFB#20?
The R5F64168DFB#20 operates at a maximum frequency of 64 MHz and supports a supply voltage range of VCC = 3.0 V to 5.5 V. This allows direct interfacing with both 3.3 V and 5 V systems without level translation, and its 15.625 ns minimum instruction execution time ensures deterministic timing for hard real-time tasks in the R5F64168DFB#20.
Does the R5F64168DFB#20 include hardware debugging support?
Yes, the R5F64168DFB#20 features on-chip debug capability compliant with Renesas E1/E20 emulators, enabling full breakpoint, watchpoint, and memory inspection during development. It also supports on-board flash programming, allowing firmware updates in the field without removing the R5F64168DFB#20 from the target system.
How many A/D converter channels does the R5F64168DFB#20 support, and what is their resolution?
The R5F64168DFB#20 integrates a 10-bit A/D converter with up to 34 input channels, including dedicated AN_0–AN_7, AN0_0–AN0_7, AN2_0–AN2_7, AN15_0–AN15_7, and ADTRG trigger input. All channels feature built-in sample-and-hold circuitry, ensuring accurate conversion stability for motor current sensing and sensor monitoring in the R5F64168DFB#20.
Is the R5F64168DFB#20 pin-compatible with other R32C/116 Group devices in the same package?
Yes, all R32C/116 Group devices in the 144-pin LQFP (PLQP0144KA-A) package - including R5F64165NFD, R5F64167DFD, and R5F64169HFD - share identical pinouts and peripheral mappings. The R5F64168DFB#20 maintains full pin compatibility within this family, enabling memory-size-based scalability without PCB redesign.
What serial communication interfaces are integrated into the R5F64168DFB#20?
The R5F64168DFB#20 integrates nine asynchronous/synchronous serial interface channels (UART0–UART8), with UART0–UART6 supporting I²C-bus mode and Special Mode 2, plus one dedicated multi-master I²C-bus interface. It also supports IEBus (optional) and variable-length synchronous serial I/O - providing flexible connectivity for displays, sensors, and communication modules in the R5F64168DFB#20.
R5F64168DFB#20 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-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:
- 84
- Program Memory Size:
- 768KB (768K 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:
R5F64168DFB#20 FAQ
1.How can I place an order for R5F64168DFB#20 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F64168DFB#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 R5F64168DFB#20 reliable?
The price and inventory of R5F64168DFB#20 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F64168DFB#20 is usually 5 days.
3.What payment methods are accepted for R5F64168DFB#20?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F64168DFB#20 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F64168DFB#20?
R5F64168DFB#20 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F64168DFB#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 R5F64168DFB#20?
For technical support, including R5F64168DFB#20 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F64168DFB#20 requirements.
6.How does Aetrix verify that R5F64168DFB#20 is sourced from the original manufacturer or authorized distributors?
All R5F64168DFB#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 R5F64168DFB#20 meets industry standards.
7.What is the process for return or replacement of R5F64168DFB#20?
All R5F64168DFB#20 units undergo pre-shipment inspection (PSI). If there is an issue with R5F64168DFB#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 R5F64168DFB#20 part is unused and in its original packaging.
Return procedure for R5F64168DFB#20:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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