Renesas R5F64175DFB#U0
- Part No.:
- R5F64175DFB#U0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F64175DFB#U0.pdf
- Description:
- IC MCU 16/32BIT 384KB 100LFQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F64175DFB#U0 from Renesas Electronics is a 64 MHz high-performance 32-bit CISC microcontroller in the R32C/117 Group, featuring 384 KB flash, 40 KB RAM, IEEE-754 single-precision FPU, 9-channel UART, CAN 2.0B module (32 mailboxes), and 34-channel 10-bit ADC - deployed in automotive audio subsystems and industrial motor control interfaces.
For engineers reviewing the R5F64175DFB#U0 datasheet, R5F64175DFB#U0 pinout, R5F64175DFB#U0 application, or R5F64175DFB#U0 equivalent, key selection criteria include CAN timing compliance with ISO 11898-1, 144-pin LQFP package thermal performance at -40°C to +85°C, integrated DMAC II for real-time waveform generation, and on-chip debug support for flash programming.
Technical Context
The R5F64175DFB#U0 implements the R32C/100 Series CPU core with 32-bit barrel shifter, 32×32→64-bit multiplier, and multiply-accumulate unit. It supports memory expansion mode and microprocessor mode via configurable external bus interface with 4 chip selects and 8/16/32-bit data width.
Its peripheral set includes three-phase motor control timer (using TA1–TA4 and TB2), 8-bit programmable dead-time generator, CRC-CCITT calculator, and intelligent I/O supporting 16-bit input capture (16 channels) and 16-bit output compare (24 channels in 144-pin variant).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | R32C/100 Series 32-bit CISC with 108 basic instructions and 15.625 ns min. instruction time at 64 MHz |
| Flash / RAM | 384 KB flash + 8 KB data flash; 40 KB RAM - sufficient for real-time motor control firmware with dual-bank update capability |
| ADC | 10-bit resolution × 34 channels with sample-and-hold - enables simultaneous sampling of multi-axis current/voltage feedback |
| CAN Interface | ISO 11898-1 compliant CAN 2.0B controller with 32 dedicated mailboxes and hardware message filtering |
| Operating Temp | -40°C to +85°C (D version) - qualified for under-hood automotive audio amplifier modules and industrial PLC I/O cards |
| Package | 144-pin plastic LQFP (PLQP0144KA-A), 20 mm × 20 mm × 1.4 mm - supports standard reflow profiles and thermal vias for 45 mA active current dissipation |
| Debug Support | On-chip debug interface with flash programming capability - eliminates need for external emulator during field firmware updates |
Pinout & Package
144-pin plastic molded LQFP (PLQP0144KA-A), 0.5 mm pitch, exposed pad optional. Thermal resistance θJA = 35°C/W typical.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P8_2 / P8_3 | CAN0OUT / CAN0IN | Dedicated differential CAN transceiver interface pins with internal pull-ups and slew-rate control |
| P7_0 / P7_1 | TXD2/SDA2 / RXD2/SCL2 | Shared UART2/I²C-bus channel - supports dual-protocol communication without external mux |
| P10_0–P10_7 | AN_0–AN_7 | Eight dedicated analog inputs with KI0–KI3 key interrupt capability - ideal for front-panel button scanning |
| P15_0–P15_7 | IIO0_0–IIO0_7 / AN15_0–AN15_7 | Second analog bank with intelligent I/O overlay - enables synchronized PWM-triggered ADC sampling |
| P6_0–P6_7 | UART0–UART1 / CLK0–CLK1 / CTS0–CTS1 | Primary serial control cluster with clock and flow-control signals - simplifies RS-485 transceiver interfacing |
Key Features
| Feature | Design Value |
|---|---|
| Three-phase motor timer | Hardware-complemented PWM generation with 8-bit programmable dead-time insertion - eliminates software timing jitter in BLDC gate drive |
| DMAC II engine | Interrupt-triggered transfers with immediate data, calculation result, and chain transfer modes - offloads CPU during sensor data streaming |
| Floating-point unit | IEEE-754 single-precision compliant - accelerates PID loop calculations and coordinate transformations in real-time motion control |
| Multi-master I²C interface | Full-duplex arbitration and clock stretching support - enables concurrent communication with EEPROM, temperature sensors, and DACs |
| Intelligent I/O | 16-bit input capture (16 channels) and 16-bit output compare (24 channels) - synchronizes encoder position capture with PWM edge placement |
Applications
| Automotive Audio Amplifier Control | Industrial Three-Phase Motor Drive |
|---|---|
Use Scenario: Real-time digital signal processing and protection monitoring in Class-D automotive amplifiers. IC Role / Device Role / Timing Role: Main system controller managing DSP co-processor interface, CAN diagnostics, thermal shutdown, and fault reporting. Use Value: Integrated CAN 2.0B and 34-channel ADC enable direct connection to vehicle bus and current-sense shunts without external interface ICs. | Use Scenario: Closed-loop field-oriented control (FOC) of induction and PMSM motors in HVAC blowers and CNC spindles. IC Role / Device Role / Timing Role: Real-time motion controller executing PWM generation, encoder position decoding, and current-loop PI regulation. Use Value: Hardware three-phase timer with dead-time control and 24-channel intelligent I/O ensure sub-microsecond timing accuracy for gate driver synchronization. |
| Office Equipment Print Engine | Industrial PLC Analog I/O Module |
Use Scenario: Precision paper path timing, toner density calibration, and duplex registration in laser printers. IC Role / Device Role / Timing Role: Timing-critical motion sequencer coordinating stepper drivers, solenoids, and thermal fuser control. Use Value: 9-channel UART supports simultaneous communication with print engine ASIC, paper sensor array, and host USB bridge. | Use Scenario: Isolated analog input conditioning and digital output switching in modular PLC backplanes. IC Role / Device Role / Timing Role: Front-end signal processor handling 16-channel ADC oversampling, linearization, and CAN-based module addressing. Use Value: On-chip CRC-CCITT calculator and DMAC II enable error-resilient sensor data aggregation across distributed I/O nodes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F64175NFD#U0 | Same silicon, rated for -20°C to +85°C (N version) instead of -40°C to +85°C (D version) | Suitable for commercial-grade office equipment but not automotive or extended-temperature industrial use | Select R5F64175DFB#U0 when operating ambient exceeds 65°C or requires AEC-Q100 alignment |
| R5F64176DFD#U0 | 512 KB flash + 8 KB data flash; same 40 KB RAM, identical peripherals and pinout | Enables larger firmware images with bootloader, OTA update stack, and dual-application partitioning | Choose R5F64175DFB#U0 when BOM cost sensitivity outweighs future firmware scalability needs |
Compared with R5F64175NFD#U0, the R5F64175DFB#U0 provides extended temperature qualification critical for under-dash automotive deployment; versus R5F64176DFD#U0, it trades 128 KB flash capacity for lower unit cost while retaining identical real-time peripheral latency and CAN timing behavior.
Availability
R5F64175DFB#U0 is available at Aetrix Electronics and suitable for automotive audio subsystems, industrial motor drives, office equipment print engines, and PLC analog I/O modules requiring stable component supply across extended temperature ranges.
Supply support for R5F64175DFB#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 IoT 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 automotive and industrial environments with integrated CAN, motor timers, and floating-point acceleration.
FAQ
What is the maximum operating frequency and supply voltage range for the R5F64175DFB#U0?
The R5F64175DFB#U0 operates at up to 64 MHz with a supply voltage range of 3.0 V to 5.5 V. Its minimum instruction execution time is 15.625 ns at full speed, and it supports low-power wait mode consuming only 8 µA at 3.3 V with 32.768 kHz sub-clock active. This voltage flexibility allows direct interfacing with both 3.3 V logic and legacy 5 V sensor buses.
Does the R5F64175DFB#U0 include on-chip debug and flash programming capability?
Yes, the R5F64175DFB#U0 integrates on-chip debug functionality and supports on-board flash programming via its dedicated debug interface. This eliminates dependency on external emulators during development and enables in-system firmware updates without removing the R5F64175DFB#U0 from the target board, streamlining production programming and field maintenance workflows.
How many CAN mailboxes does the R5F64175DFB#U0 support, and what CAN protocol version is implemented?
The R5F64175DFB#U0 supports 32 dedicated CAN mailboxes and implements CAN 2.0B protocol compliant with ISO 11898-1. Its hardware mailbox filtering and priority arbitration logic allow deterministic message handling in multi-node automotive networks, with guaranteed latency under 2 µs for highest-priority frames - essential for R5F64175DFB#U0 deployments in safety-critical audio diagnostic messaging.
What analog-to-digital converter (ADC) resources are available on the R5F64175DFB#U0?
The R5F64175DFB#U0 features a 10-bit ADC with 34 input channels, including dedicated sample-and-hold circuitry. Two independent analog banks (AN_0–AN_7 and AN15_0–AN15_7) support simultaneous sampling triggered by PWM events or timers - enabling precise current/voltage measurement synchronization critical for R5F64175DFB#U0-based motor control implementations.
Is the R5F64175DFB#U0 pin-compatible with other members of the R32C/117 Group?
Yes, all R32C/117 Group devices in the 144-pin LQFP package (PLQP0144KA-A) share identical pinouts, including R5F64175DFB#U0, R5F64176DFD#U0, and R5F64177DFD#U0. This allows drop-in replacement across flash size variants without PCB redesign, provided external circuitry aligns with the specific memory and peripheral configuration enabled in each part's ROM fuse settings.
R5F64175DFB#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:
- 384KB (384K 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:
R5F64175DFB#U0 FAQ
1.How can I place an order for R5F64175DFB#U0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F64175DFB#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 R5F64175DFB#U0 reliable?
The price and inventory of R5F64175DFB#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F64175DFB#U0 is usually 5 days.
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4.How is shipping managed for R5F64175DFB#U0?
R5F64175DFB#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F64175DFB#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 R5F64175DFB#U0?
For technical support, including R5F64175DFB#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F64175DFB#U0 requirements.
6.How does Aetrix verify that R5F64175DFB#U0 is sourced from the original manufacturer or authorized distributors?
All R5F64175DFB#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 R5F64175DFB#U0 meets industry standards.
7.What is the process for return or replacement of R5F64175DFB#U0?
All R5F64175DFB#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F64175DFB#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 R5F64175DFB#U0 part is unused and in its original packaging.
Return procedure for R5F64175DFB#U0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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