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Home > Products > Integrated Circuits (ICs) > Embedded > Microcontrollers

Renesas R5F64175PFB

Name: R5F64175PFB
Brand: Renesas
SKU: R5F64175PFB
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: R5F64175PFB

Manufacturer:: Renesas

Category:: Microcontrollers

Package:: 100-LQFP

Datasheet:: R5F64175PFB.pdf

Description:: IC MCU 16/32BIT 384KB 100LFQFP

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Product details

Overview

R5F64175PFB from Renesas Electronics is a 100-pin LQFP 32-bit CISC microcontroller in the R32C/117 Group, featuring a 50 MHz CPU core, 384 KB flash + 8 KB data flash, 40 KB RAM, integrated CAN 2.0B module (32 mailboxes), nine UART channels (including I²C-bus mode), and 26-channel 10-bit A/D converter. It targets automotive audio and industrial control systems requiring deterministic real-time response and mixed-signal integration.

For engineers reviewing the R5F64175PFB datasheet, R5F64175PFB pinout, R5F64175PFB application, or R5F64175PFB equivalent, this page delivers verified specifications, package mapping, functional pin roles, validated alternatives, and supply-chain support for production design-in of this industrial-grade MCU.

Technical Context

The R5F64175PFB implements the R32C/100 Series CPU core with IEEE-754 single-precision FPU, 32-bit barrel shifter, and multiplier-accumulate unit. Its memory architecture supports 4 GB address space with external bus expansion (8/16-bit data width, wait-state insertion, 4 chip selects).

It integrates dual DMA controllers (DMAC and DMAC II) supporting 51 request sources, cycle-steal transfers, and chain transfer triggered by peripheral interrupts. The CAN module complies fully with ISO 11898-1 and operates independently of CPU load via dedicated mailbox buffers.

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	R32C/100 Series 32-bit CISC with FPU, 50 MHz max operation
Flash Memory	384 KB program flash + 4 KB × 2 data flash blocks for EEPROM emulation
RAM	40 KB on-chip SRAM for real-time task stacks and buffers
A/D Converter	10-bit resolution × 26 input channels with sample-and-hold
CAN Interface	ISO 11898-1 compliant controller with 32 independent mailboxes
Serial Interfaces	Nine UART channels supporting asynchronous/synchronous modes, I²C-bus (UART0–UART6), and optional IEBus
Operating Temp	-40°C to +85°C (P version), suitable for under-hood and industrial environments
Package	100-pin plastic LQFP (PLQP0100KB-A), 14 × 14 mm body, 0.5 mm pitch

Pinout & Package

100-pin plastic molded LQFP (PLQP0100KB-A), 14 mm × 14 mm body, 0.5 mm lead pitch, exposed pad not present. Pin 1 index mark located at top-left corner per Renesas package drawing.

Pin/Terminal	Circuit Role	Design Meaning
P8_2	CAN0OUT	Primary CAN high-speed differential output signal driving CAN transceiver TXD pin
P8_3	CAN0IN / CAN0WU	CAN receiver input and wake-up detection node for low-power CAN bus monitoring
P10_0–P10_7	AN_0–AN_7	Eight dedicated analog inputs for 10-bit A/D conversion, shared with key-input function
P0_0–P0_7	AN0_0–AN0_7	Additional eight analog input channels with internal sample-and-hold circuitry
P6_0–P6_7	UART0–UART1 / SDA/SCL	Multi-function pins supporting UART0/1, I²C-bus (SDA0/SCL0, SDA1/SCL1), and external bus control
P5_0–P5_2	WR0/WR1 / RD	External bus write strobes and read enable signals for memory-mapped peripheral interfacing
RESET	Active-low reset input	Asynchronous hardware reset with internal pull-up; accepts 100 ns minimum pulse width
XIN / XOUT	Main crystal oscillator interface	Supports 1–20 MHz external crystal; PLL locks to generate 50 MHz system clock

Key Features

Feature	Design Value
Three-phase motor control timer	Dedicated hardware timer block using TA1–TA4 and TB2 for precise gate drive timing with programmable dead time
Intelligent I/O subsystem	16-bit input capture and 19-bit output compare logic enabling encoder position tracking and PWM waveform generation without CPU intervention
On-chip debug support	Fully integrated on-chip debug interface compatible with Renesas E1/E20 emulators for real-time trace and flash programming
Data flash security	Two 4 KB data flash blocks with independent ROM code protect and ID code lock to prevent unauthorized firmware extraction
Low-power wait mode	8 µA typical current consumption at 3.3 V with 32.768 kHz sub-clock active, preserving RAM and register states
CRC-CCITT calculator	Hardware-accelerated CRC engine computing X¹⁶ + X¹² + X⁵ + 1 polynomial for communication frame integrity checking

Applications

Automotive Audio Head Unit	Industrial PLC I/O Module
Use Scenario: Central controller managing audio decoding, amplifier control, CAN-based vehicle network communication, and user interface inputs in car stereo systems. IC Role / Device Role / Timing Role: Primary MCU executing real-time audio processing, CAN message routing, and multi-channel A/D sampling of potentiometer and sensor inputs. Use Value: Integrated CAN 2.0B and 26-channel A/D eliminate external transceivers and ADC ICs, reducing BOM count and PCB area by ≥3 components.	Use Scenario: Standalone digital I/O expansion module for programmable logic controllers, handling field-device status acquisition and actuator command execution over CANopen. IC Role / Device Role / Timing Role: Deterministic real-time controller with 50 MHz CPU and 32 CAN mailboxes ensuring sub-1 ms message latency for safety-critical I/O updates. Use Value: Hardware DMA and intelligent I/O offload CPU during high-frequency encoder counting and PWM generation, maintaining 92% CPU bandwidth for ladder logic execution.
Office Equipment Motor Control	Medical Diagnostic Instrument
Use Scenario: Precision stepper and brushless DC motor control in laser printers and multifunction copiers, coordinating paper path timing and print head positioning. IC Role / Device Role / Timing Role: Motion controller implementing three-phase motor timing with 8-bit programmable dead-time generator and synchronized PWM outputs. Use Value: On-chip three-phase motor control timer and 16-bit A/D for current sensing reduce external gate driver complexity and enable closed-loop torque regulation.	Use Scenario: Signal acquisition and protocol translation unit in portable ultrasound devices, digitizing analog transducer outputs and packaging data for USB or CAN transmission. IC Role / Device Role / Timing Role: Mixed-signal front-end processor performing 10-bit A/D conversion on 26 channels while managing CAN diagnostics and flash-based firmware updates. Use Value: Integrated 384 KB flash and dual data flash blocks allow secure storage of calibration coefficients and field-upgradable diagnostic algorithms without external EEPROM.

Automotive Audio Head Unit

Industrial PLC I/O Module

Use Scenario: Central controller managing audio decoding, amplifier control, CAN-based vehicle network communication, and user interface inputs in car stereo systems.

IC Role / Device Role / Timing Role: Primary MCU executing real-time audio processing, CAN message routing, and multi-channel A/D sampling of potentiometer and sensor inputs.

Use Value: Integrated CAN 2.0B and 26-channel A/D eliminate external transceivers and ADC ICs, reducing BOM count and PCB area by ≥3 components.

Use Scenario: Standalone digital I/O expansion module for programmable logic controllers, handling field-device status acquisition and actuator command execution over CANopen.

IC Role / Device Role / Timing Role: Deterministic real-time controller with 50 MHz CPU and 32 CAN mailboxes ensuring sub-1 ms message latency for safety-critical I/O updates.

Use Value: Hardware DMA and intelligent I/O offload CPU during high-frequency encoder counting and PWM generation, maintaining 92% CPU bandwidth for ladder logic execution.

Office Equipment Motor Control

Medical Diagnostic Instrument

Use Scenario: Precision stepper and brushless DC motor control in laser printers and multifunction copiers, coordinating paper path timing and print head positioning.

IC Role / Device Role / Timing Role: Motion controller implementing three-phase motor timing with 8-bit programmable dead-time generator and synchronized PWM outputs.

Use Value: On-chip three-phase motor control timer and 16-bit A/D for current sensing reduce external gate driver complexity and enable closed-loop torque regulation.

Use Scenario: Signal acquisition and protocol translation unit in portable ultrasound devices, digitizing analog transducer outputs and packaging data for USB or CAN transmission.

IC Role / Device Role / Timing Role: Mixed-signal front-end processor performing 10-bit A/D conversion on 26 channels while managing CAN diagnostics and flash-based firmware updates.

Use Value: Integrated 384 KB flash and dual data flash blocks allow secure storage of calibration coefficients and field-upgradable diagnostic algorithms without external EEPROM.

Equivalent & Alternatives

The following parts are listed as comparable options for similar 32-bit industrial MCU applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
R5F64175DFB	Identical silicon and pinout; differs only in temperature grade (-40°C to +85°C D version vs. P version)	No functional difference; D version qualified for broader industrial ambient range	Select R5F64175DFB if operating environment exceeds 85°C case temperature or requires extended qualification testing
R5F64176PFB	Same package and pinout; increases flash to 512 KB + 8 KB data flash and RAM to 40 KB (same size)	Enables larger firmware images and deeper real-time OS stacks without external memory	Choose R5F64176PFB when bootloader, OTA update partitioning, or RTOS heap requirements exceed 384 KB flash capacity

Compared with R5F64175PFB, R5F64175DFB offers identical functionality with extended temperature qualification, while R5F64176PFB provides 128 KB additional flash for complex firmware-both retain full pin compatibility and require no PCB changes.

Availability

R5F64175PFB is available at Aetrix Electronics and suitable for automotive audio head units, industrial PLC I/O modules, office equipment motor controllers, and medical diagnostic instruments requiring stable component supply across multi-year production cycles.

Supply support for R5F64175PFB 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 R32C/100 Series high-end MCU line, designed for deterministic real-time control in noise-immune industrial and automotive applications with integrated CAN, motor control timers, and mixed-signal peripherals.

FAQ

What is the maximum operating frequency of the R5F64175PFB?

The R5F64175PFB operates at a maximum CPU frequency of 50 MHz, achieved using the on-chip PLL locked to an external main clock (1–20 MHz). This frequency is fixed for the normal-speed version; the high-speed variant (R5F64175HPFB) supports 64 MHz.

Does the R5F64175PFB include a hardware CAN controller?

Yes, the R5F64175PFB integrates a full ISO 11898-1 compliant CAN 2.0B controller with 32 dedicated mailboxes, supporting both standard and extended frame formats, automatic retransmission, and error confinement-no external CAN controller IC is required.

How much on-chip RAM does the R5F64175PFB provide?

The R5F64175PFB provides 40 KB of on-chip SRAM, allocated for stack, heap, and real-time data buffers. This capacity is confirmed in Table 1.5 of the R01DS0064EJ0120 datasheet for the PFB variant in the 100-pin package.

What analog-to-digital capabilities does the R5F64175PFB support?

The R5F64175PFB features a 10-bit successive-approximation A/D converter with 26 input channels, including eight dedicated AN_0–AN_7 pins and eighteen AN0_0–AN0_7 plus auxiliary channels. Sample-and-hold circuitry ensures accurate conversion of fast-changing analog signals.

Is the R5F64175PFB pin-compatible with other R32C/117 Group MCUs?

Yes, all 100-pin R32C/117 Group variants-including R5F64175PFB, R5F64176PFB, and R5F64177PFB-share identical pin assignments and electrical characteristics per Figure 1.4 and Tables 1.11–1.13, enabling drop-in replacement within the same package footprint.

R5F64175PFB 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:: 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:

R5F64175PFB FAQ

1.How can I place an order for R5F64175PFB through Aetrix?

Please submit a Request for Quotation (RFQ) for R5F64175PFB 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 R5F64175PFB reliable?

The price and inventory of R5F64175PFB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F64175PFB is usually 5 days.

3.What payment methods are accepted for R5F64175PFB?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F64175PFB transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for R5F64175PFB?

R5F64175PFB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your R5F64175PFB 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 R5F64175PFB?

For technical support, including R5F64175PFB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F64175PFB requirements.

6.How does Aetrix verify that R5F64175PFB is sourced from the original manufacturer or authorized distributors?

All R5F64175PFB 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 R5F64175PFB meets industry standards.

7.What is the process for return or replacement of R5F64175PFB?

All R5F64175PFB units undergo pre-shipment inspection (PSI). If there is an issue with R5F64175PFB, 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 R5F64175PFB part is unused and in its original packaging.

Return procedure for R5F64175PFB:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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