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Renesas R5F64176PFB#UC
- Part No.:
- R5F64176PFB#UC
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F64176PFB#UC.pdf
- Description:
- MCU2 M32C(GENERAL) R32C/100X_150
- Quantity:
- Payment:
- Shipping:
Inventory:3,671
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Product details
Overview
R5F64176PFB#UC from Renesas Electronics is a 512 KB flash, 40 KB RAM, 64 MHz high-speed 32-bit CISC microcontroller in the R32C/117 Group, featuring IEEE-754 single-precision FPU, 32 mailboxes CAN 2.0B interface, and 9-channel UART with I²C-bus capability - deployed in automotive audio control units and industrial printer motion controllers.
For engineers reviewing the R5F64176PFB#UC datasheet, R5F64176PFB#UC pinout, R5F64176PFB#UC application, or R5F64176PFB#UC equivalent, this page delivers verified package mapping (100-pin LQFP), confirmed CAN/I²C/ADC timing behavior, memory layout constraints, and real-world substitution guidance for legacy R32C migration paths.
Technical Context
The R5F64176PFB#UC implements the R32C/100 Series CPU core with 108 basic instructions, 15.625 ns minimum instruction cycle at 64 MHz, and integrated multiplier/MAC/FPU for deterministic real-time math. Its external bus supports 4 GB address space with 8/16-bit data width, wait-state insertion, and four chip-select outputs.
It integrates dual DMA controllers (DMAC + DMAC II) with 51 request sources, supporting cycle-steal transfers and three advanced modes: immediate data, calculation result, and chain transfer - enabling efficient peripheral-to-memory handshaking without CPU intervention.
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 instruction execution time for hard real-time loop timing |
| Memory | 512 KB flash + 8 KB data flash + 40 KB RAM - supports firmware updates and parameter storage without external EEPROM |
| Peripherals | 1× CAN 2.0B (32 mailboxes), 1× multi-master I²C, 9× UART, 10-bit ADC (26 ch), 8-bit DAC (2 ch) |
| Package | 100-pin plastic LQFP (PLQP0100KB-A) - 14 × 14 mm body, 0.5 mm pitch, RoHS-compliant |
| Operating Temp | -40°C to +85°C (P version) - qualified for under-hood automotive and factory-floor industrial environments |
| Power Supply | VCC = 3.0 V to 5.5 V - allows direct interface with 3.3 V logic or legacy 5 V sensor buses |
Pinout & Package
100-pin plastic molded LQFP (PLQP0100KB-A), 14 mm × 14 mm body, 0.5 mm pitch, exposed pad not present. Pin 1 index mark located at top-left corner per JEDEC MO-140.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P8_2 | CAN0OUT / INT0 | CAN high-speed differential output driver; also serves as general-purpose interrupt input |
| P8_3 | CAN0IN / CAN0WU / INT1 | CAN receiver input with wake-up capability; dual-function interrupt source for low-power CAN monitoring |
| P10_0–P10_7 | AN_0–AN_7 / KI0–KI3 | Eight 10-bit analog inputs with key-input debounce circuitry - supports touch panel or potentiometer interfaces |
| P0_0–P0_7 | AN0_0–AN0_7 / D0–D7 | Eight 10-bit ADC inputs multiplexed with 8-bit parallel data bus - enables legacy 8-bit peripheral interfacing |
| P6_0–P6_7 | CTS0/RTS0/SS0 through TXD1/SDA1/SRXD1 | Full UART0–UART1 control and data lines plus SPI slave select - supports dual serial device daisy-chaining |
Key Features
| Feature | Design Value |
|---|---|
| IEEE-754 FPU | Single-precision floating-point unit enables real-time motor vector control without software emulation overhead |
| 32-mailbox CAN | Dedicated hardware mailbox FIFO eliminates CPU polling and guarantees deterministic CAN message scheduling |
| Intelligent I/O | 16-bit input capture and 24-bit output compare with programmable dead-time generation for three-phase inverter gate drive |
| Data Flash | Two 4 KB blocks support field firmware updates and nonvolatile parameter storage with 1,000-cycle endurance |
| On-chip Debug | Fully integrated debug interface enables real-time trace, breakpoint, and flash programming without external JTAG emulator |
Applications
| Automotive Audio Head Unit | Industrial Laser Printer Engine |
|---|---|
Use Scenario: Central controller managing DSP audio processing, Bluetooth streaming, and CAN-based vehicle network communication. IC Role / Device Role / Timing Role: Main application MCU coordinating audio codec I²C configuration, CAN diagnostics, and real-time volume ramping via PWM timers. Use Value: Integrated 64 MHz FPU accelerates equalizer coefficient computation; 32-mailbox CAN handles concurrent diagnostic, infotainment, and powertrain messages. | Use Scenario: Motion and thermal control subsystem in high-speed monochrome laser printers. IC Role / Device Role / Timing Role: Real-time servo controller driving stepper motors, reading encoder feedback via two-phase pulse counting, and regulating fuser temperature. Use Value: Timer A/B with two-phase encoder input mode directly processes quadrature signals; 10-bit ADC monitors thermistor voltage with sample-and-hold for stable thermal regulation. |
| Office Multi-Function Peripheral | Factory Automation HMI Panel |
Use Scenario: Embedded controller in all-in-one copier/scanner/fax devices requiring USB host, paper path sensing, and toner level reporting. IC Role / Device Role / Timing Role: System-on-chip managing parallel scanner interface, UART-connected fax modem, and I²C-connected environmental sensors. Use Value: Nine UART channels enable simultaneous modem, barcode reader, and internal module communication; 512 KB flash stores multiple firmware images for field upgrades. | Use Scenario: Operator interface module with touchscreen, LED status indicators, and RS-485 Modbus connectivity to PLCs. IC Role / Device Role / Timing Role: Human-machine interface processor handling capacitive touch scanning, PWM dimming of status LEDs, and Modbus RTU over UART2. Use Value: Key-input debounce circuitry on P10 pins reduces external RC filtering; 8-bit DAC drives analog meter outputs without external converters. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit CISC microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F64176DFB#UC | Same 512 KB flash/40 KB RAM/64 MHz spec but -40°C to +85°C D-grade qualification (vs. P-grade) | Identical peripheral set and pinout; differs only in temperature screening and test conditions | Select R5F64176DFB#UC when full industrial temperature validation per AEC-Q100 stress testing is required |
| R5F64175PFB#UC | 384 KB flash/40 KB RAM variant; otherwise identical architecture, peripherals, and package | Reduces BOM cost where firmware footprint < 384 KB; retains same CAN/I²C/ADC timing and register compatibility | Choose R5F64175PFB#UC for cost-sensitive designs with proven firmware size margin below 384 KB |
Compared with R5F64176PFB#UC, R5F64176DFB#UC offers identical functionality with stricter industrial temperature validation, while R5F64175PFB#UC provides a lower-cost entry point with reduced flash capacity but full peripheral and timing equivalence.
Availability
R5F64176PFB#UC is available at Aetrix Electronics and suitable for automotive audio head units, industrial laser printer engines, and office multi-function peripherals requiring stable component supply across extended product lifecycles.
Supply support for R5F64176PFB#UC 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 automotive, industrial, and IoT markets.
The R32C/117 Group belongs to the high-end R32C/100 Series, designed for deterministic real-time control in resource-constrained embedded systems requiring CAN, precision ADC, and floating-point math without external co-processors.
FAQ
What is the maximum operating frequency and corresponding instruction cycle time for R5F64176PFB#UC?
The R5F64176PFB#UC operates at a maximum frequency of 64 MHz, delivering a minimum instruction execution time of 15.625 ns. This timing is guaranteed across the full -40°C to +85°C operating range and enables deterministic response in motor control and audio processing loops. The R5F64176PFB#UC achieves this using its on-chip PLL clock generator with frequency division options.
Does R5F64176PFB#UC support CAN 2.0B protocol with hardware mailbox arbitration?
Yes, the R5F64176PFB#UC integrates a full CAN 2.0B-compliant module with 32 independent hardware mailboxes, supporting both standard and extended frame formats. Each mailbox includes dedicated acceptance filtering, transmit/receive control, and automatic retransmission - eliminating software arbitration overhead. The R5F64176PFB#UC CAN module meets ISO 11898-1 physical layer timing requirements.
How many analog input channels does R5F64176PFB#UC provide, and what is their resolution and sampling capability?
The R5F64176PFB#UC features a 10-bit successive-approximation ADC with up to 26 input channels in the 100-pin package. It includes integrated sample-and-hold circuitry and supports simultaneous sampling on multiple channels via hardware trigger (e.g., timer or external ADTRG pin). The R5F64176PFB#UC ADC operates across the full VCC range (3.0–5.5 V) with typical INL of ±1 LSB.
What debug and programming interfaces are supported by R5F64176PFB#UC?
The R5F64176PFB#UC supports on-chip debug via a dedicated 5-pin interface compatible with Renesas E1/E20 emulators, enabling real-time trace, breakpoints, and flash programming. It also supports on-board flash programming through UART boot mode using the built-in ROM bootloader. The R5F64176PFB#UC does not require external JTAG hardware for development or field updates.
Is R5F64176PFB#UC pin-compatible with other members of the R32C/117 Group in the same package variant?
Yes, all R32C/117 Group devices in the 100-pin LQFP (PLQP0100KB-A) package share identical pin assignments, electrical characteristics, and peripheral mappings - including R5F64176PFB#UC, R5F64175PFB#UC, and R5F64177PFB#UC. This allows drop-in replacement within the same memory/temperature grade family without PCB redesign.
R5F64176PFB#UC Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- M16C/R32C/100/117
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- R32C/100
- Core Size:
- 16/32-Bit
- Speed:
- 50MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, IEBus, UART/USART
- Peripherals:
- DMA, LVD, PWM, WDT
- Number of I/O:
- 84
- 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 26x10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F64176PFB#UC FAQ
1.How can I place an order for R5F64176PFB#UC through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F64176PFB#UC 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 R5F64176PFB#UC reliable?
The price and inventory of R5F64176PFB#UC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F64176PFB#UC is usually 5 days.
3.What payment methods are accepted for R5F64176PFB#UC?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F64176PFB#UC transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F64176PFB#UC?
R5F64176PFB#UC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F64176PFB#UC 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 R5F64176PFB#UC?
For technical support, including R5F64176PFB#UC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F64176PFB#UC requirements.
6.How does Aetrix verify that R5F64176PFB#UC is sourced from the original manufacturer or authorized distributors?
All R5F64176PFB#UC 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 R5F64176PFB#UC meets industry standards.
7.What is the process for return or replacement of R5F64176PFB#UC?
All R5F64176PFB#UC units undergo pre-shipment inspection (PSI). If there is an issue with R5F64176PFB#UC, 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 R5F64176PFB#UC part is unused and in its original packaging.
Return procedure for R5F64176PFB#UC:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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