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Renesas R5F64176DFB#UB
- Part No.:
- R5F64176DFB#UB
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F64176DFB#UB.pdf
- Description:
- IC MCU 16/32BIT 512KB 100LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,296
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Product details
Overview
R5F64176DFB#UB from Renesas Electronics is a 512 KB flash, 40 KB RAM, 100-pin LQFP microcontroller in the R32C/117 Group, featuring a 64 MHz R32C/100 Series CPU core with IEEE-754 single-precision FPU, 32 mailboxes CAN 2.0B module, and 26-channel 10-bit A/D converter - deployed in automotive audio head units and industrial printer controllers.
For engineers reviewing the R5F64176DFB#UB datasheet, R5F64176DFB#UB pinout, R5F64176DFB#UB application, or R5F64176DFB#UB equivalent, this page delivers verified package mapping (PLQP0100KB-A), confirmed 100-pin LQFP pin functions, real-world timing roles in CAN bus arbitration and PWM motor control, and two validated alternative parts for design continuity.
Technical Context
The R5F64176DFB#UB implements a 32-bit CISC CPU core with multiplier, MAC unit, and single-precision FPU - enabling deterministic floating-point math in real-time motor control loops. Its memory architecture supports up to 4 GB address space with external bus expansion (8/16-bit data width, wait-state insertion) and dual 4 KB data flash blocks for EEPROM emulation.
It integrates nine UART channels supporting I²C-bus mode (UART0–UART6), one multi-master I²C interface, and a full CAN 2.0B controller compliant with ISO 11898-1 - all operating concurrently under a unified interrupt vector table of 261 entries and seven priority levels.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | R32C/100 Series 32-bit CISC with 108 basic instructions, 15.625 ns min. instruction time at 64 MHz |
| Flash / RAM | 512 KB main flash + 8 KB × 2 data flash; 40 KB on-chip RAM - sufficient for bootloader + application + parameter storage |
| A/D Converter | 10-bit resolution × 26 channels with sample-and-hold - supports simultaneous sampling across multiple sensor inputs |
| CAN Module | ISO 11898-1 compliant, 32 mailboxes with TX/RX FIFOs - enables robust automotive network node with message filtering |
| Operating Temp | -40°C to +85°C (D version) - qualified for under-dash automotive and factory-floor industrial environments |
| Package | 100-pin plastic LQFP (PLQP0100KB-A), 0.5 mm pitch - compatible with standard SMT reflow profiles |
| Supply Voltage | VCC = 3.0 V to 5.5 V - supports direct connection to 3.3 V or 5 V system rails without level-shifting |
Pinout & Package
100-pin plastic molded LQFP (PLQP0100KB-A), 14 × 14 mm body, 0.5 mm lead pitch, exposed pad not present.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P8_2 | CAN0OUT / INT0 | Primary CAN transmit output; also serves as external interrupt 0 input for wake-up or event triggering |
| P8_3 | CAN0IN / CAN0WU / INT1 | CAN receive input with wake-up capability; doubles as external interrupt 1 for low-latency response |
| P10_0–P10_7 | AN_0–AN_7 / KI0–KI3 | Eight analog inputs (10-bit A/D) with four key-input debounce channels - supports front-panel button matrix + sensor monitoring |
| P0_0–P0_7 | AN0_0–AN0_7 / D0–D7 | Eight-channel analog input bank with digital I/O fallback - enables flexible mixed-signal peripheral interfacing |
| P6_0–P6_7 | UART0–UART1 / CLK0–CLK1 / CTS0–CTS1 | Dual UART transceivers with clock and flow-control pins - supports RS-232/RS-485 physical layer via external drivers |
Key Features
| Feature | Design Value |
|---|---|
| IEEE-754 FPU | Single-precision hardware floating-point unit accelerates PID loop calculations without software library overhead |
| Three-phase motor timer | Dedicated timer block (A1/A2/A4/B2) with 8-bit programmable dead-time control - eliminates external gate-driver logic |
| Intelligent I/O | 16-bit input capture × 16 and output compare × 19 - enables precise encoder position tracking and multi-channel PWM generation |
| On-chip debug | Fully integrated on-chip debug circuit supports real-time trace and flash programming - no external emulator required |
| Data flash security | Dual 4 KB data flash blocks with ROM code protect and ID code lock - prevents firmware reverse-engineering and unauthorized updates |
Applications
| Automotive Audio Head Unit | Industrial Laser Printer Engine |
|---|---|
Use Scenario: Central controller managing audio decoding, UI navigation, Bluetooth streaming, and CAN-based vehicle bus communication. IC Role / Device Role / Timing Role: Main application MCU executing real-time audio processing, handling CAN message arbitration at 500 kbps, and driving display/touch interfaces. Use Value: Integrated CAN + 26-channel A/D + FPU reduces BOM count by eliminating separate CAN transceiver, ADC, and math accelerator ICs. | Use Scenario: Motion and thermal control subsystem coordinating stepper motors, fuser heater, paper path sensors, and toner delivery actuators. IC Role / Device Role / Timing Role: Real-time motion controller using three-phase motor timer and intelligent I/O for synchronized motor phase switching and encoder feedback. Use Value: Hardware dead-time insertion and 16-bit PWM resolution enable precise motor torque control without external gate driver timing compensation. |
| Office Multi-Function Peripheral | Factory Automation HMI Panel |
Use Scenario: Embedded controller in MFP managing scan engine, document feeder, network stack, and user interface with touch and keypad inputs. IC Role / Device Role / Timing Role: System-on-chip managing concurrent USB/Ethernet comms, 10-bit A/D for paper jam detection, and key-input scanning with debounced KI0–KI3 lines. Use Value: Integrated 9-channel UART + I²C + CAN allows simultaneous connectivity to scanner ASIC, network PHY, and service port without external bus bridges. | Use Scenario: Human-machine interface panel collecting operator inputs, displaying status via LCD, and communicating with PLC over CAN or RS-485. IC Role / Device Role / Timing Role: Industrial-grade MCU providing secure boot, -40°C to +85°C operation, and CAN 2.0B messaging for machine state reporting. Use Value: Dual 4 KB data flash blocks enable field-upgradable firmware and persistent parameter storage with write-cycle endurance >1,000 cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F64176DFD#U0 | 144-pin LQFP (PLQP0144KA-A), same 512 KB flash/40 KB RAM, adds 8 more A/D channels (34 vs. 26) and 5 additional I/O ports (P11–P15) | Required when board layout supports larger footprint and application needs extra analog sensing or external bus expansion | Select R5F64176DFD#U0 only if PCB redesign accommodates 144-pin package and additional peripherals are utilized |
| R5F64175DFB#UB | Same 100-pin LQFP package but reduced memory: 384 KB flash + 40 KB RAM - no change in peripheral set or speed grade | Suitable for cost-sensitive designs where application firmware fits within smaller flash footprint | Choose R5F64175DFB#UB when firmware size is ≤384 KB and no future memory expansion is anticipated |
Compared with R5F64176DFB#UB, R5F64176DFD#U0 offers higher I/O density and analog channel count at the cost of PCB area, while R5F64175DFB#UB provides identical functionality in the same footprint with 128 KB less flash - enabling tiered product variants without architectural rework.
Availability
R5F64176DFB#UB is available at Aetrix Electronics and suitable for automotive audio systems, industrial printer engines, office MFPs, and factory HMI panels requiring stable component supply across extended product lifecycles.
Supply support for R5F64176DFB#UB 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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power devices for automotive, industrial, and IoT markets.
The R32C/117 Group belongs to the high-end R32C/100 Series MCU line, designed for real-time embedded applications demanding high code efficiency, CAN/I²C connectivity, and deterministic analog/motor control - especially in automotive infotainment and industrial automation.
FAQ
What is the maximum operating frequency of the R5F64176DFB#UB?
The R5F64176DFB#UB operates at a maximum CPU frequency of 64 MHz, achieved via its on-chip PLL clock generator with main clock, sub-clock, and on-chip oscillator circuits. This 64 MHz rating is guaranteed across the full -40°C to +85°C industrial temperature range specified for the D-version part.
Does the R5F64176DFB#UB include an integrated CAN controller?
Yes, the R5F64176DFB#UB includes a fully compliant CAN 2.0B module supporting ISO 11898-1 physical layer signaling, with 32 dedicated mailboxes for TX/RX buffering and filtering. It features dedicated CAN0IN and CAN0OUT pins (P8_3 and P8_2) and supports wake-up functionality via CAN bus activity.
How much on-chip RAM does the R5F64176DFB#UB provide?
The R5F64176DFB#UB provides 40 KB of on-chip RAM, allocated for stack, heap, and global variables. This capacity is fixed per the device variant and is independent of flash configuration - sufficient for real-time multitasking kernels and buffer-intensive protocols like TCP/IP or USB device stacks.
What analog-to-digital capabilities does the R5F64176DFB#UB support?
The R5F64176DFB#UB integrates a 10-bit successive-approximation A/D converter with 26 input channels (AN_0–AN_7 and AN0_0–AN0_7), including sample-and-hold functionality. It supports both single-ended and differential input modes and can trigger conversions via internal timers or external signals like ADTRG on pin P9_7.
Is the R5F64176DFB#UB pin-compatible with other R32C/117 Group MCUs?
Yes, the R5F64176DFB#UB shares identical pinout and electrical characteristics with all other 100-pin R32C/117 Group variants (e.g., R5F64175DFB#UB, R5F64177DFB#UB), including identical function mapping for all 100 pins - enabling drop-in replacement within the same package family for memory or feature scaling.
R5F64176DFB#UB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- M16C/R32C/100/117
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- 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:
R5F64176DFB#UB FAQ
1.How can I place an order for R5F64176DFB#UB through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F64176DFB#UB 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 R5F64176DFB#UB reliable?
The price and inventory of R5F64176DFB#UB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F64176DFB#UB is usually 5 days.
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R5F64176DFB#UB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F64176DFB#UB 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 R5F64176DFB#UB?
For technical support, including R5F64176DFB#UB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F64176DFB#UB requirements.
6.How does Aetrix verify that R5F64176DFB#UB is sourced from the original manufacturer or authorized distributors?
All R5F64176DFB#UB 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 R5F64176DFB#UB meets industry standards.
7.What is the process for return or replacement of R5F64176DFB#UB?
All R5F64176DFB#UB units undergo pre-shipment inspection (PSI). If there is an issue with R5F64176DFB#UB, 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 R5F64176DFB#UB part is unused and in its original packaging.
Return procedure for R5F64176DFB#UB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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