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Renesas R5F64179DFB#U0
- Part No.:
- R5F64179DFB#U0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F64179DFB#U0.pdf
- Description:
- IC MCU 16/32B 1MB FLASH 100LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,290
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Product details
Overview
R5F64179DFB#U0 from Renesas Electronics is a 64 MHz high-performance 32-bit CISC microcontroller in the R32C/117 Group, featuring 1 Mbyte flash, 63 Kbytes RAM, IEEE-754 single-precision FPU, 32 CAN mailboxes, and 9 UART channels. It serves as a system controller in automotive audio and industrial equipment with integrated A/D (10-bit × 34), D/A (8-bit × 2), and multi-master I²C.
For engineers reviewing the R5F64179DFB#U0 datasheet, R5F64179DFB#U0 pinout, R5F64179DFB#U0 application, or R5F64179DFB#U0 equivalent, this page delivers verified specifications, package mapping to PLQP0100KB-A (100-pin LQFP), functional role in CAN-based real-time control, and validated alternative options for migration or second sourcing.
Technical Context
The R5F64179DFB#U0 implements the R32C/100 Series CPU core with 108 basic instructions, 15.625 ns minimum instruction cycle at 64 MHz, 32×32→64-bit multiplier, and multiply-accumulate unit. Its memory architecture supports 4 Gbyte address space with up to 64 Mbyte user-accessible external bus expansion.
It integrates dual DMA controllers (DMAC + DMAC II), 261 interrupt vectors, 15-bit watchdog timer, and clock generation with main/sub/PLL/on-chip oscillator circuits. The device operates from −40°C to +85°C (D version) with VCC = 3.0–5.5 V and achieves 45 mA active current at 5.0 V/64 MHz.
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 for deterministic real-time control loops |
| Memory | 1 Mbyte flash + 8 Kbytes data flash + 63 Kbytes RAM - supports complex firmware with field-upgradable parameter storage |
| Peripherals | 1× CAN 2.0B (32 mailboxes), 9× UART (I²C-bus capable), 1× multi-master I²C, 34× 10-bit A/D, 2× 8-bit D/A |
| Package & Temp Range | 100-pin LQFP (PLQP0100KB-A), −40°C to +85°C - suitable for under-hood automotive and industrial environments |
| Power Supply | VCC = 3.0–5.5 V; 45 mA @ 5.0 V/64 MHz; 8 µA in wait mode - balances performance and low-power operation |
| Interrupt System | 261 vectors, 7 priority levels, NMI + 6 external INT inputs - enables prioritized response to CAN, timer, and analog events |
Pinout & Package
100-pin plastic molded LQFP (PLQP0100KB-A), 14 × 14 mm body, 0.5 mm pitch, exposed pad not specified. Pin functions validated per Renesas R01DS0064EJ0120 datasheet Figures 1.4 and Tables 1.11–1.13.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P8_2 / INT0 / CAN0OUT | CAN transceiver output | Drives dominant/recessive states on CAN bus; requires external CAN transceiver (e.g., SN65HVD230) |
| P8_3 / INT1 / CAN0IN / CAN0WU | CAN receiver input + wake-up | Receives bus signals and triggers wake-from-wait on CAN activity - enables low-power network monitoring |
| P10_0 to P10_7 / AN_0–AN_7 | Analog inputs with key interrupt | 8-channel 10-bit A/D with sample-and-hold; KI0–KI3 support key-scan interrupt for front-panel interfaces |
| P0_0 to P0_7 / AN0_0–AN0_7 | Additional analog inputs | 8-channel 10-bit A/D with shared port functionality - expands sensor interface without external mux |
| P5_0 / WR0 / WR | External bus write strobe | Controls timing for parallel memory or peripheral writes in memory expansion mode |
| P6_0 to P6_7 / TB0IN–TB7IN | Timer B input capture | Supports pulse-width/frequency measurement and encoder quadrature decoding across 8 pins |
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 | Hardware message filtering and buffering eliminates CPU polling; supports prioritized transmission in multi-node networks |
| DMAC II with Chain Transfer | Automates data movement between peripherals (e.g., A/D → RAM → UART) without CPU intervention |
| Intelligent I/O (IIO) | 16-bit input capture and 24-bit output compare per channel - replaces discrete timers for PWM and waveform generation |
| Data Flash (4 Kbytes × 2) | Non-volatile parameter storage with 1,000 program/erase cycles - retains calibration data across power cycles |
Applications
| Automotive Audio Head Unit | Industrial PLC I/O Module |
|---|---|
Use Scenario: Central controller managing audio decoding, amplifier control, CAN diagnostics, and touch-key interface in vehicle infotainment. IC Role / Device Role / Timing Role: Main MCU executing real-time audio processing, CAN protocol stack, and A/D sampling of potentiometers and thermal sensors. Use Value: Integrated 34-channel A/D and 32-CAN-mailbox controller reduce external components; FPU accelerates equalizer coefficient calculation. | Use Scenario: Modular I/O base handling analog sensor inputs, digital actuator outputs, and fieldbus communication in factory automation. IC Role / Device Role / Timing Role: Deterministic real-time controller coordinating 10-bit A/D conversions, 8-bit D/A outputs, and CANopen messaging. Use Value: 64 MHz CPU and DMAC II enable simultaneous sampling, filtering, and CAN transmission within 100 µs cycle time. |
| Printer Engine Controller | Office Equipment Motor Drive |
Use Scenario: Precision motion control of laser scanner, paper feed, and toner delivery subsystems in multifunction printers. IC Role / Device Role / Timing Role: Timing-critical controller using three-phase motor timer, PWM outputs, and encoder feedback via intelligent I/O. Use Value: Dedicated three-phase motor control timer with 8-bit dead-time programming ensures safe gate-drive sequencing for BLDC drivers. | Use Scenario: Compact fan or pump controller requiring closed-loop speed regulation, temperature monitoring, and USB/CAN host interface. IC Role / Device Role / Timing Role: Embedded motor controller executing PID loops using FPU, reading thermistors via 10-bit A/D, and driving PWM outputs. Use Value: On-chip FPU and 2× 8-bit D/A provide precise analog setpoint generation and feedback conditioning without external DACs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F64179DFD#U0 | Same core, 144-pin LQFP (PLQP0144KA-A); adds 14 extra I/O pins and 8 additional A/D channels (34 vs. 26) | Suitable where board layout allows larger package and higher peripheral count is required | Select when needing >84 GPIO, full 34-channel A/D, or external bus expansion capability |
| R5F64178DFB#U0 | Same 100-pin package but 768 Kbyte flash + 63 Kbyte RAM; identical peripheral set and timing | Drop-in replacement where firmware size < 768 Kbyte and no flash margin is needed | Choose for cost-sensitive designs with verified firmware footprint ≤ 768 Kbyte |
Compared with R5F64179DFB#U0, R5F64179DFD#U0 offers greater I/O and analog channel count in a larger package, while R5F64178DFB#U0 provides identical functionality at lower flash capacity-enabling direct substitution where code size permits.
Availability
R5F64179DFB#U0 is available at Aetrix Electronics and suitable for automotive audio, industrial PLC modules, printer engine control, and office equipment motor drive applications requiring stable component supply across extended temperature ranges.
Supply support for R5F64179DFB#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, and power solutions for automotive, industrial, and IoT markets.
The R32C/117 Group belongs to the R32C/100 Series high-end MCU line, designed for demanding real-time control applications requiring high code efficiency, CAN connectivity, and mixed-signal integration in harsh environments.
FAQ
What is the operating temperature range for R5F64179DFB#U0?
R5F64179DFB#U0 is rated for −40°C to +85°C (D version), making it suitable for under-dash automotive audio systems and industrial control cabinets without forced cooling. This range is confirmed in Table 1.5 and Section 1.1.2 of the R01DS0064EJ0120 datasheet.
Does R5F64179DFB#U0 include a hardware CAN controller?
Yes, R5F64179DFB#U0 integrates a fully compliant ISO 11898-1 CAN 2.0B controller with 32 dedicated mailboxes, supporting both standard and extended identifiers. It features built-in message filtering, automatic retransmission, and wake-up capability via CAN0IN/CAN0WU pin (P8_3).
What package type does R5F64179DFB#U0 use?
R5F64179DFB#U0 uses the 100-pin plastic molded LQFP package designated PLQP0100KB-A (also referenced as 100P6Q-A). This is explicitly stated in Figure 1.1 (Part Numbering), Table 1.5, and Figure 1.4 (Pin Assignment) of the official datasheet.
How much flash and RAM does R5F64179DFB#U0 have?
R5F64179DFB#U0 contains 1 Mbyte of on-chip flash memory and 63 Kbytes of RAM, plus two 4 Kbyte data flash blocks. These values are specified in Table 1.5 under "ROM Capacity" (1 Mbyte + 8 Kbytes) and "RAM Capacity" (63 Kbytes) for part number R5F64179DFB.
Is an FPU included in R5F64179DFB#U0?
Yes, R5F64179DFB#U0 includes an IEEE-754 compatible single-precision floating-point unit (FPU) as part of the R32C/100 Series CPU core. This is documented in Tables 1.1 and 1.3 under "CPU" section and enables hardware-accelerated math for motor control and signal processing.
R5F64179DFB#U0 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:
- 1MB (1M 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:
R5F64179DFB#U0 FAQ
1.How can I place an order for R5F64179DFB#U0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F64179DFB#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 R5F64179DFB#U0 reliable?
The price and inventory of R5F64179DFB#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F64179DFB#U0 is usually 5 days.
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R5F64179DFB#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F64179DFB#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 R5F64179DFB#U0?
For technical support, including R5F64179DFB#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F64179DFB#U0 requirements.
6.How does Aetrix verify that R5F64179DFB#U0 is sourced from the original manufacturer or authorized distributors?
All R5F64179DFB#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 R5F64179DFB#U0 meets industry standards.
7.What is the process for return or replacement of R5F64179DFB#U0?
All R5F64179DFB#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F64179DFB#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 R5F64179DFB#U0 part is unused and in its original packaging.
Return procedure for R5F64179DFB#U0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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