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Renesas R5F64176DFB#U0
- Part No.:
- R5F64176DFB#U0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F64176DFB#U0.pdf
- Description:
- IC MCU 16/32BIT 512KB 100LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,770
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Product details
Overview
R5F64176DFB#U0 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 9-channel UART/I²C/IEBus serial interface - deployed in automotive audio and industrial control systems requiring deterministic real-time response.
For engineers reviewing the R5F64176DFB#U0 datasheet, R5F64176DFB#U0 pinout, R5F64176DFB#U0 application, or R5F64176DFB#U0 equivalent, this page delivers verified package mapping (PLQP0100KB-A), confirmed 100-pin LQFP pin functions, validated CAN and multi-master I²C timing behavior, and direct alternative part comparisons for migration or second-sourcing.
Technical Context
The R5F64176DFB#U0 implements the R32C/100 Series CPU core with 108 basic instructions, 15.625 ns minimum instruction execution time at 64 MHz, and integrated multiplier, MAC unit, and barrel shifter - enabling high-efficiency CISC code execution in resource-constrained embedded applications.
It integrates a full CAN 2.0B controller compliant with ISO 11898-1, supporting 32 mailboxes with programmable message filtering, plus one multi-master I²C-bus interface (via UART0–UART6) and nine asynchronous/synchronous serial channels - all operating within a 4-Gbyte address space with external bus expansion support.
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 cycle for hard real-time control loops |
| Memory | 512 KB flash + 8 KB data flash + 40 KB RAM - supports firmware updates and parameter storage without external memory |
| CAN Interface | 1 × ISO 11898-1-compliant CAN 2.0B controller with 32 mailboxes - handles prioritized message transmission/reception in automotive networks |
| Serial Interfaces | 9 × UART channels (supporting I²C-bus mode on UART0–UART6) + 1 × dedicated multi-master I²C-bus interface |
| Analog Peripherals | 10-bit A/D converter with 26 input channels and sample-and-hold; 8-bit D/A converter × 2 - suitable for sensor signal conditioning and actuator control |
| Package | 100-pin plastic molded LQFP (PLQP0100KB-A) - RoHS-compliant, surface-mount compatible with standard reflow profiles |
Pinout & Package
100-pin plastic molded LQFP (PLQP0100KB-A), 14 × 14 mm body, 0.5 mm pitch, exposed pad not present. Pin 1 index marked per JEDEC MO-140.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P8_2 | CAN0OUT / INT0 | CAN transmit output driver and external interrupt 0 input - requires 120 Ω termination to CANH/CANL bus |
| P8_3 | CAN0IN / CAN0WU / INT1 | CAN receive input with wake-up capability and external interrupt 1 - connects directly to CAN transceiver RX |
| P10_0–P10_7 | AN_0–AN_7 / KI0–KI3 | 8-channel 10-bit analog input with key interrupt capability - supports touch-button and sensor voltage monitoring |
| P0_0–P0_7 | AN0_0–AN0_7 / D0–D7 | 8-channel analog input with parallel data bus function - configurable for ADC sampling or general-purpose I/O |
| P6_0–P6_7 | CTS0/RTS0/SS0 through TXD1/SDA1/SRXD1 | UART0/UART1 control and data pins - enable full-duplex RS-232/RS-485 or I²C slave communication |
Key Features
| Feature | Design Value |
|---|---|
| IEEE-754 Single-Precision FPU | Enables real-time floating-point math for motor control algorithms without software emulation overhead |
| 32-Mailbox CAN Controller | Supports concurrent reception/transmission of up to 32 messages with hardware filtering - reduces CPU load in vehicle network nodes |
| 9-Channel Serial Interface | Configurable as UART, I²C-bus, or IEBus - eliminates need for external protocol translators in multi-interface systems |
| On-Chip Debug & Flash Programming | Allows field firmware updates and real-time debugging via single-wire interface - no external emulator required |
| 5 V-Tolerant Inputs | 32 pins (P4_0–P4_7, P5_4–P5_7, P6_0–P6_7, P7_0–P7_7, P8_0–P8_3) accept 5 V logic - simplifies interfacing with legacy peripherals |
Applications
| Automotive Audio Head Unit | Industrial PLC I/O Module |
|---|---|
Use Scenario: Central audio processor managing Bluetooth streaming, USB playback, amplifier control, and CAN-based vehicle status display. IC Role / Device Role / Timing Role: Main MCU executing real-time audio decoding, CAN message parsing (e.g., speed, gear position), and DAC-driven analog output. Use Value: Integrated CAN and 26-channel ADC allow direct connection to vehicle bus and sensor array - eliminating bridge ICs and reducing BOM count by ≥3 components. | Use Scenario: Distributed I/O node collecting analog sensor data (temperature, pressure), executing PID control, and reporting over industrial CAN network. IC Role / Device Role / Timing Role: Deterministic controller running 1 ms control loop with synchronized ADC sampling and CAN message scheduling. Use Value: 64 MHz CPU + FPU + 32-mailbox CAN ensures sub-millisecond jitter in closed-loop response - meets IEC 61131-3 cycle time requirements. |
| Office Equipment Motor Control | Medical Infusion Pump Controller |
Use Scenario: Precision stepper/servo motor driver in laser printer or copier with real-time motion profiling and fault detection. IC Role / Device Role / Timing Role: Motion controller generating PWM waveforms, reading encoder feedback via timer event counter mode, and communicating via UART to host. Use Value: On-chip three-phase motor control timer (using TA1–TA4, TB2) and dead-time programmable outputs reduce external gate-driver complexity. | Use Scenario: Safety-critical infusion pump managing flow rate, occlusion detection, alarm signaling, and HMI interaction. IC Role / Device Role / Timing Role: Primary safety monitor executing dual-redundant flow calculation, watchdog-checked ADC reads, and fail-safe shutdown via GPIO. Use Value: ROM code protect, ID code protect, and on-chip debug disable prevent unauthorized firmware modification - satisfies IEC 62304 Class C software requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F64176DFD#U0 | Same 512 KB flash/40 KB RAM spec but in 144-pin LQFP (PLQP0144KA-A); adds 8 more ADC inputs and 5 extra I/O ports | Required when >26 ADC channels or >84 GPIO needed; unsuitable for space-constrained 100-pin layouts | Select only if board redesign accommodates larger footprint and additional peripheral routing |
| R5F64175DFB#U0 | 384 KB flash/40 KB RAM variant in identical 100-pin LQFP package; same CPU, CAN, and peripheral set | Used where firmware size <384 KB and cost sensitivity outweighs future upgrade headroom | Drop-in replacement for reduced-cost designs with verified flash usage ≤384 KB |
Compared with R5F64176DFB#U0, R5F64176DFD#U0 offers expanded I/O and ADC at the cost of PCB area, while R5F64175DFB#U0 provides identical pinout and functionality with 128 KB less flash - enabling cost-optimized variants without layout changes.
Availability
R5F64176DFB#U0 is available at Aetrix Electronics and suitable for automotive audio, industrial PLC I/O modules, and office equipment motor control requiring stable component supply across extended production lifecycles.
Supply support for R5F64176DFB#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, power, and SoC solutions for automotive, industrial, and enterprise applications.
The R32C/117 Group belongs to the high-end R32C/100 Series MCU line, designed for deterministic real-time control in automotive infotainment, industrial automation, and precision equipment where CAN integration, floating-point performance, and long-term supply stability are critical.
FAQ
What is the operating temperature range for R5F64176DFB#U0?
The R5F64176DFB#U0 is rated for -40°C to +85°C (D version), making it suitable for under-hood automotive and industrial environments where thermal stress exceeds commercial-grade limits. This rating is confirmed in Table 1.5 of the R01DS0064EJ0120 datasheet and applies to all electrical specifications unless otherwise noted.
Does R5F64176DFB#U0 include on-chip debug capability?
Yes, R5F64176DFB#U0 includes on-chip debug functionality supporting real-time trace, breakpoint setting, and register inspection via a single-wire debug interface. This is documented in Section 1.1.2 "Performance Overview" and enables firmware development without external JTAG emulators.
How many CAN mailboxes does R5F64176DFB#U0 support?
R5F64176DFB#U0 supports exactly 32 CAN mailboxes, as specified in Table 1.2 and Table 1.4 of the R01DS0064EJ0120 datasheet. Each mailbox can be configured for transmission or reception with independent identifier masking and priority arbitration.
Is R5F64176DFB#U0 pin-compatible with other R32C/117 Group devices?
Yes, R5F64176DFB#U0 shares identical pinout and electrical characteristics with all 100-pin R32C/117 Group variants (e.g., R5F64175DFB#U0, R5F64177DFB#U0) in the PLQP0100KB-A package - enabling drop-in replacement within the same memory/feature tier.
What is the maximum ADC resolution and channel count for R5F64176DFB#U0?
R5F64176DFB#U0 features a 10-bit successive-approximation ADC with up to 26 input channels, as confirmed in Table 1.4 for the 100-pin package. Sample-and-hold circuitry is integrated, supporting simultaneous sampling across multiple channels in burst mode.
R5F64176DFB#U0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- M16C/R32C/100/117
- Packaging:
- Tray
- Product Status:
- Active
- 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#U0 FAQ
1.How can I place an order for R5F64176DFB#U0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F64176DFB#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 R5F64176DFB#U0 reliable?
The price and inventory of R5F64176DFB#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F64176DFB#U0 is usually 5 days.
3.What payment methods are accepted for R5F64176DFB#U0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F64176DFB#U0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F64176DFB#U0?
R5F64176DFB#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F64176DFB#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 R5F64176DFB#U0?
For technical support, including R5F64176DFB#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F64176DFB#U0 requirements.
6.How does Aetrix verify that R5F64176DFB#U0 is sourced from the original manufacturer or authorized distributors?
All R5F64176DFB#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 R5F64176DFB#U0 meets industry standards.
7.What is the process for return or replacement of R5F64176DFB#U0?
All R5F64176DFB#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F64176DFB#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 R5F64176DFB#U0 part is unused and in its original packaging.
Return procedure for R5F64176DFB#U0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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