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Renesas R5F64177PFB#UB
- Part No.:
- R5F64177PFB#UB
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F64177PFB#UB.pdf
- Description:
- IC MCU 16/32BIT 640KB 100LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,959
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Product details
Overview
R5F64177PFB#UB from Renesas Electronics is a 64 MHz high-speed 32-bit CISC microcontroller in the R32C/117 Group, featuring 640 KB flash, 48 KB RAM, IEEE-754 single-precision FPU, 9-channel UART, CAN 2.0B-compliant module (32 mailboxes), and 144-pin LQFP package. It targets automotive audio, industrial control, and office equipment requiring deterministic real-time processing and multi-protocol connectivity.
For engineers reviewing the R5F64177PFB#UB datasheet, R5F64177PFB#UB pinout, R5F64177PFB#UB application, or R5F64177PFB#UB equivalent, this page delivers verified specifications, functional pin mapping, validated alternative options, and supply-chain-ready availability details for production design-in.
Technical Context
The R5F64177PFB#UB 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 GB address space with up to 64 MB user-accessible external bus expansion using selectable 8/16/32-bit data width and wait-state insertion.
It integrates dual DMA controllers (DMAC + DMAC II) with 57 request sources, 261 interrupt vectors, and peripheral-triggered chain transfer. The CAN module complies fully with ISO 11898-1 and operates independently of CPU load via 32 dedicated mailboxes with programmable priority and filtering.
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 hard real-time control loops |
| Memory | 640 KB flash + 8 KB ×2 data flash + 48 KB RAM - supports firmware updates and parameter storage without external EEPROM |
| Peripherals | 9 UART channels (I²C-bus mode on UART0–UART6), 1 CAN 2.0B module, 34-channel 10-bit A/D, 2-channel 8-bit D/A |
| Package | 144-pin plastic LQFP (PLQP0144KA-A) - 20 mm × 20 mm footprint with 0.5 mm pitch for industrial PCB routing |
| 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 - single-rail operation compatible with legacy 5 V logic and modern 3.3 V systems |
Pinout & Package
144-pin plastic molded LQFP (PLQP0144KA-A), 20 mm × 20 mm, 0.5 mm pitch, exposed thermal pad not present. Pin 1 index mark located at top-left corner per JEDEC MO-220.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P8_2 / INT0 / CAN0OUT | CAN physical layer output | Direct connection to CAN transceiver TXD pin; requires external 120 Ω termination at network ends |
| P8_3 / INT1 / CAN0IN / CAN0WU | CAN physical layer input + wake-up | Receives differential CANH/CANL via transceiver RXD; supports bus-wake capability during stop mode |
| P7_0 / TA0OUT / TXD2 / SDA2 / SRXD2 / IIO1_6 / OUTC2_0 / ISTXD2 / IEOUT / MSDA | Multi-function I/O port | Configurable as UART2 TX, I²C2 data, intelligent I/O output compare, or master serial data out - software-selectable function |
| P10_0 to P10_7 / AN_0 to AN_7 / KI0 to KI3 | Analog input + key interrupt | 10-bit A/D inputs with internal sample-and-hold; KI0–KI3 support debounced key-scan interrupt with auto-wakeup from wait mode |
| P6_0 to P6_7 / TB0IN to TB2IN / CTS0–CTS1 / RTS0–RTS1 / SS0–SS1 / CLK0–CLK1 / TXD0–TXD1 / SDA0–SDA1 / SRXD0–SRXD1 / SCL0–SCL1 / STXD0–STXD1 | UART/CAN timing and control | Dedicated pins for UART0/UART1 baud rate generation, flow control, clock sync, and full-duplex serial I/O - no GPIO remapping required |
Key Features
| Feature | Design Value |
|---|---|
| IEEE-754 Single-Precision FPU | Enables real-time floating-point math for motor control algorithms and sensor fusion without software emulation overhead |
| 32-Mailbox CAN Module | Hardware-accelerated message buffering eliminates CPU polling; supports prioritized transmission and acceptance filtering |
| Intelligent I/O (IIO) | 24 output compare and 16 input capture channels offload timer-intensive tasks like PWM generation and encoder counting |
| On-Chip Debug & Flash Programming | Full JTAG-based debugging and in-system flash reprogramming via UART or dedicated debug interface - no external programmer needed |
| Multi-Master I²C-Bus Interface | Single hardware block supporting master/slave modes, clock stretching, and arbitration - reduces BOM vs. discrete I²C controllers |
Applications
| Car Audio Head Unit | Industrial PLC I/O Module |
|---|---|
Use Scenario: Central controller managing Bluetooth streaming, DSP audio processing, and CAN-based vehicle bus communication. IC Role / Device Role / Timing Role: Main application MCU executing real-time audio codecs, handling USB/UART peripherals, and managing CAN message routing between infotainment and body control modules. Use Value: Integrated 640 KB flash stores multiple firmware images; CAN 2.0B compliance ensures interoperability with OEM vehicle networks without protocol translation. | Use Scenario: Modular I/O base unit acquiring analog sensor data, driving relay outputs, and communicating over industrial fieldbus. IC Role / Device Role / Timing Role: Real-time deterministic controller running ladder logic, sampling 34-channel 10-bit A/D at 1 µs conversion time, and generating precise PWM for actuator control. Use Value: 48 KB RAM buffers sensor history for edge analytics; intelligent I/O handles encoder feedback and pulse-width modulation independently of CPU cycles. |
| Office Multi-Function Printer | Factory Automation HMI Panel |
Use Scenario: Embedded controller coordinating scanner engine, paper path motors, and network print jobs via Ethernet-to-USB bridge. IC Role / Device Role / Timing Role: System-on-chip managing parallel printer interface, UART-linked motor drivers, and SPI-connected display driver with integrated touch controller. Use Value: 9 UART channels eliminate external level shifters for legacy RS-232/RS-485 peripherals; 144-pin LQFP provides sufficient I/O for complex mechanical subsystems. | Use Scenario: Human-machine interface panel collecting operator inputs, displaying status via TFT LCD, and reporting alarms over CANopen. IC Role / Device Role / Timing Role: Dedicated UI processor handling capacitive touch scanning, graphics rendering, and CANopen device profile messaging. Use Value: −40°C to +85°C rating ensures reliability in unconditioned factory environments; built-in CRC calculator validates firmware and configuration data integrity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F64177PFD#UB | Same R32C/117 Group die in 144-pin LQFP but with normal-speed 50 MHz CPU (vs. 64 MHz); identical memory, peripherals, and pinout | Suitable where deterministic 64 MHz timing is unnecessary; lower power consumption at same voltage | Select when system timing budget allows ≥20% longer instruction cycles and thermal constraints favor reduced dynamic power |
| R5F64178PFD#UB | 144-pin LQFP variant with 768 KB flash + 63 KB RAM (vs. 640 KB + 48 KB); otherwise identical peripheral set and speed grade | Better suited for applications requiring larger bootloader partitions, OTA update staging, or extended data logging buffers | Choose when firmware size exceeds 640 KB or runtime RAM usage consistently exceeds 48 KB in profiling |
Compared with R5F64177PFB#UB, R5F64177PFD#UB trades peak performance for lower active current (35 mA vs. 45 mA at 5 V), while R5F64178PFD#UB adds flash/RAM headroom without altering real-time latency or peripheral behavior - both retain identical CAN, UART, and I²C functionality and require no PCB changes.
Availability
R5F64177PFB#UB is available at Aetrix Electronics and suitable for car audio head units, industrial PLC I/O modules, and office multi-function printers requiring stable component supply across extended product lifecycles.
Supply support for R5F64177PFB#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 Corporation is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and enterprise markets.
The R32C/117 Group belongs to the high-end R32C/100 Series MCU line, designed specifically for deterministic real-time control in noise-immune industrial and automotive applications with integrated CAN, multi-protocol serial, and floating-point computation.
FAQ
What is the maximum operating frequency and supply voltage range for the R5F64177PFB#UB?
The R5F64177PFB#UB operates at a maximum frequency of 64 MHz and supports a supply voltage range of VCC = 3.0 V to 5.5 V. This dual-voltage compatibility allows direct integration into both legacy 5 V systems and modern low-voltage designs without level-shifting circuitry. The 64 MHz speed is achieved using the on-chip PLL with main clock input.
Does the R5F64177PFB#UB include an integrated CAN controller, and what standard does it support?
Yes, the R5F64177PFB#UB includes a fully integrated CAN module compliant with ISO 11898-1 (CAN 2.0B). It provides 32 dedicated mailboxes with hardware-based message filtering, priority arbitration, and automatic retransmission - all operating independently of CPU intervention to ensure deterministic bus timing.
How much flash memory and RAM does the R5F64177PFB#UB have, and is data flash included?
The R5F64177PFB#UB contains 640 KB of main flash memory, 48 KB of RAM, and 8 KB × 2 blocks of data flash memory. The dual 4 KB data flash blocks support wear-leveling and EEPROM-like nonvolatile storage for calibration data, configuration parameters, or firmware update staging without erasing main program flash.
What package type and pin count does the R5F64177PFB#UB use, and is it RoHS compliant?
The R5F64177PFB#UB uses a 144-pin plastic LQFP package (PLQP0144KA-A) with 0.5 mm pitch and 20 mm × 20 mm body size. It is RoHS compliant and meets JEDEC standard MS-026 for lead-free assembly. The package supports standard reflow profiles and includes no exposed thermal pad.
Which development tools and debug interfaces are supported for the R5F64177PFB#UB?
The R5F64177PFB#UB supports on-chip debug via JTAG interface and in-system programming through UART boot mode. Renesas' E2 studio IDE, CS+ development environment, and Flash Development Toolkit (FDT) provide full support. No external debugger is required - debug and flash programming can be performed using only the UART pins and reset line.
R5F64177PFB#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:
- 640KB (640K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 48K 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:
R5F64177PFB#UB FAQ
1.How can I place an order for R5F64177PFB#UB through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F64177PFB#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 R5F64177PFB#UB reliable?
The price and inventory of R5F64177PFB#UB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F64177PFB#UB is usually 5 days.
3.What payment methods are accepted for R5F64177PFB#UB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F64177PFB#UB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F64177PFB#UB?
R5F64177PFB#UB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F64177PFB#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 R5F64177PFB#UB?
For technical support, including R5F64177PFB#UB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F64177PFB#UB requirements.
6.How does Aetrix verify that R5F64177PFB#UB is sourced from the original manufacturer or authorized distributors?
All R5F64177PFB#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 R5F64177PFB#UB meets industry standards.
7.What is the process for return or replacement of R5F64177PFB#UB?
All R5F64177PFB#UB units undergo pre-shipment inspection (PSI). If there is an issue with R5F64177PFB#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 R5F64177PFB#UB part is unused and in its original packaging.
Return procedure for R5F64177PFB#UB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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