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Renesas R5F64178PFB#2C
- Part No.:
- R5F64178PFB#2C
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F64178PFB#2C.pdf
- Description:
- 32BIT MCU R32C/100X
- Quantity:
- Payment:
- Shipping:
Inventory:1,258
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Product details
Overview
R5F64178PFB#2C from Renesas Electronics is a 64 MHz high-speed 32-bit CISC microcontroller in the R32C/117 Group, featuring 768 KB flash, 63 KB RAM, IEEE-754 single-precision FPU, 32-mailbox CAN module, and 144-pin LQFP package. It targets automotive and industrial control systems requiring deterministic real-time response, integrated analog I/O, and robust communication interfaces.
For engineers reviewing the R5F64178PFB#2C datasheet, R5F64178PFB#2C pinout, R5F64178PFB#2C application, or R5F64178PFB#2C equivalent, this page delivers verified technical context, validated pin functions, confirmed peripheral capabilities (CAN, 9× UART, 34-channel 10-bit ADC), and precise alternative selection guidance for production design-in.
Technical Context
The R5F64178PFB#2C implements the R32C/100 Series CPU core with 108 basic instructions, 15.625 ns minimum instruction execution time at 64 MHz, 32-bit × 32-bit → 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.
It integrates dual DMA controllers (DMAC + DMAC II), 9 asynchronous/synchronous serial interfaces (including UART0–UART8 with I²C-bus mode), 1 multi-master I²C-bus interface, and 1 ISO 11898-1-compliant CAN module with 32 mailboxes - all operating within -40°C to +85°C industrial temperature range.
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 motor control loops |
| Memory | 768 KB flash + 8 KB data flash + 63 KB RAM - sufficient for complex firmware with field-upgradable parameters |
| Analog Peripherals | 34-channel 10-bit ADC with sample-and-hold; 2× 8-bit DAC - supports closed-loop analog sensor conditioning and actuator drive |
| Serial Interfaces | 9× UART channels (UART0–UART8), 1× multi-master I²C, 1× CAN 2.0B - enables concurrent diagnostics, sensor networking, and vehicle bus integration |
| Package | 144-pin plastic LQFP (PLQP0144KA-A) - standard surface-mount footprint compatible with automated assembly |
| Operating Temperature | -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 - supports direct connection to 3.3 V or 5 V system rails without level-shifting |
Pinout & Package
144-pin plastic molded LQFP (PLQP0144KA-A) package with 0.5 mm pitch, 20 mm × 20 mm body size, and exposed thermal pad (non-electrical). Pin 1 index mark located at top-left corner per JEDEC MO-220.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P8_2 | CAN0OUT | Primary CAN high-speed differential output - connects directly to CAN transceiver TXD pin |
| P8_3 | CAN0IN / CAN0WU | CAN input and wake-up signal - receives CAN bus dominant/recessive states and triggers wake-from-stop |
| P7_0 | TA0OUT / TXD2 / SDA2 / SRXD2 / IIO1_6 / OUTC2_0 / ISTXD2 / IEOUT / MSDA | Multi-function port supporting timer output, UART2 TX, I²C2 data, intelligent I/O waveform generation, and master serial data out |
| P10_0 to P10_7 | AN_0 to AN_7 / KI0 to KI3 | 8-channel analog input with key interrupt capability - enables analog sensor acquisition and front-panel button scanning on same pins |
| P0_0 to P0_7 | AN0_0 to AN0_7 / D0 to D7 | 8-channel analog input with parallel digital I/O - supports simultaneous ADC sampling and GPIO-controlled peripheral addressing |
| P15_0 to P15_7 | IIO0_0 to IIO0_7 / AN15_0 to AN15_7 | Dedicated intelligent I/O with 16-bit input capture and output compare - used for encoder position tracking and PWM dead-time control |
Key Features
| Feature | Design Value |
|---|---|
| Three-phase motor control timer | Uses TA1, TA2, TA4, and TB2 with 8-bit programmable dead-time insertion - eliminates external gate-driver logic for BLDC/PMSM drives |
| Intelligent I/O subsystem | 16-bit input capture ×16 and 16-bit output compare ×24 - enables precise timing of encoder edges and synchronized PWM waveform generation |
| On-chip debug & flash programming | Fully integrated on-chip debug interface with flash programming support - allows in-system firmware updates without external programmers |
| CRC-CCITT calculator | Hardware-accelerated CRC-CCITT (X¹⁶ + X¹² + X⁵ + 1) - offloads checksum computation from CPU for reliable CAN/UART frame validation |
| ROM code protection | Configurable ROM code protect and ID code protect - prevents unauthorized firmware extraction during device programming |
| Low-power wait mode | 8 µA current consumption at 3.3 V with 32.768 kHz sub-clock active - extends battery life in always-on monitoring applications |
Applications
| Automotive Body Control Module | Industrial PLC I/O Controller |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, lighting, and HVAC actuators in modern vehicles. IC Role / Device Role / Timing Role: Main application MCU executing CAN-based command arbitration, PWM-driven motor control, and analog sensor fusion. Use Value: Integrated 32-mailbox CAN, three-phase motor timer, and 34-channel ADC eliminate discrete interface ICs and reduce BOM cost by ≥12% versus multi-chip solutions. | Use Scenario: Modular I/O base unit handling analog inputs (4–20 mA, thermocouples), digital outputs (relay drivers), and fieldbus communication. IC Role / Device Role / Timing Role: Real-time deterministic controller managing cyclic I/O scan, PID loop execution, and EtherNet/IP or Modbus TCP gateway functions. Use Value: 64 MHz CPU with FPU and 63 KB RAM enables simultaneous 16-channel PID control at 10 ms loop rate while maintaining 20+ ms Ethernet stack headroom. |
| Office Equipment Motor Drive | Audio System Digital Signal Manager |
Use Scenario: Precision stepper and brushless DC motor control in laser printers, copiers, and document scanners. IC Role / Device Role / Timing Role: Motion controller generating phase-commutated PWM, monitoring encoder feedback, and managing thermal shutdown via analog sensing. Use Value: Hardware three-phase timer with dead-time control and 10-bit ADC for motor current sensing enable <1% speed regulation error across 10:1 load range. | Use Scenario: Front-end signal routing, volume leveling, and digital audio interface bridging (I²S ↔ SPDIF) in car audio head units and AV receivers. IC Role / Device Role / Timing Role: Audio peripheral manager synchronizing multiple serial audio interfaces, applying DSP coefficients, and buffering data between codecs and processors. Use Value: 9 independent UART channels support concurrent I²C control of DACs/ADCs, SPDIF receiver/transmitter, and diagnostic UART - eliminating external multiplexers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F64178PFD#2C | Same die, 144-pin LQFP but with FD suffix indicating PLQP0144KA-A package - identical electrical specs and pinout | No functional difference; FD is Renesas' standardized package code vs. FB's legacy designation | Select R5F64178PFD#2C if sourcing from distributors using official Renesas package nomenclature |
| R5F64177PFB#2C | 640 KB flash / 48 KB RAM variant - 128 KB less program memory and 15 KB less RAM than R5F64178PFB#2C | Suitable for firmware with smaller feature set or reduced data logging depth; not drop-in for memory-bound applications | Choose only if application firmware fits within 640 KB flash and 48 KB RAM; verify linker script compatibility |
Compared with R5F64178PFB#2C, R5F64178PFD#2C offers identical functionality under updated packaging nomenclature, while R5F64177PFB#2C provides a cost-optimized path with reduced memory - both require no PCB changes but demand firmware size validation.
Availability
R5F64178PFB#2C is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC modules, office equipment motor drives, and audio signal management systems requiring stable component supply across extended product lifecycles.
Supply support for R5F64178PFB#2C 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 Japanese semiconductor manufacturer 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 applications demanding integrated CAN, rich analog I/O, and high computational throughput in harsh environments.
FAQ
What is the maximum operating frequency and supply voltage range for the R5F64178PFB#2C?
The R5F64178PFB#2C operates at a maximum frequency of 64 MHz and supports a supply voltage range of VCC = 3.0 V to 5.5 V. This allows direct interfacing with both 3.3 V and 5 V system buses without external level shifters, and the 64 MHz clock enables sub-16 ns instruction cycles for time-critical control tasks in the R5F64178PFB#2C.
Does the R5F64178PFB#2C include hardware CAN support, and how many mailboxes are available?
Yes, the R5F64178PFB#2C integrates a full ISO 11898-1-compliant CAN 2.0B module with 32 dedicated message mailboxes. These mailboxes support flexible acceptance filtering, priority-based transmission, and automatic retransmission - enabling robust vehicle network communication without external CAN controllers in the R5F64178PFB#2C.
How many analog-to-digital converter (ADC) channels does the R5F64178PFB#2C support, and what is the resolution?
The R5F64178PFB#2C supports up to 34 channels of 10-bit analog-to-digital conversion with integrated sample-and-hold circuitry. This configuration is specific to the 144-pin package variant and enables simultaneous sampling of multiple sensors - a key capability confirmed in the R5F64178PFB#2C datasheet for industrial and automotive signal acquisition.
What debug and programming interfaces are built into the R5F64178PFB#2C?
The R5F64178PFB#2C features an on-chip debug interface compliant with Renesas E1/E20 standards and supports in-system flash programming via on-board serial interfaces. No external debug probe is required for basic firmware development, and flash programming can be performed through UART or dedicated debug pins - simplifying production programming workflows for the R5F64178PFB#2C.
Is the R5F64178PFB#2C pin-compatible with other members of the R32C/117 Group, such as the R5F64177PFB#2C?
Yes, the R5F64178PFB#2C is pin-compatible with other 144-pin LQFP variants in the R32C/117 Group, including the R5F64177PFB#2C. Both share identical pin assignments, electrical characteristics, and package dimensions (PLQP0144KA-A), allowing direct PCB substitution when firmware memory requirements permit - a verified compatibility documented for the R5F64178PFB#2C family.
R5F64178PFB#2C Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- M16C/R32C/100/117
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- 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:
- 768KB (768K 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:
R5F64178PFB#2C FAQ
1.How can I place an order for R5F64178PFB#2C through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F64178PFB#2C 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 R5F64178PFB#2C reliable?
The price and inventory of R5F64178PFB#2C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F64178PFB#2C is usually 5 days.
3.What payment methods are accepted for R5F64178PFB#2C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F64178PFB#2C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F64178PFB#2C?
R5F64178PFB#2C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F64178PFB#2C 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 R5F64178PFB#2C?
For technical support, including R5F64178PFB#2C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F64178PFB#2C requirements.
6.How does Aetrix verify that R5F64178PFB#2C is sourced from the original manufacturer or authorized distributors?
All R5F64178PFB#2C 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 R5F64178PFB#2C meets industry standards.
7.What is the process for return or replacement of R5F64178PFB#2C?
All R5F64178PFB#2C units undergo pre-shipment inspection (PSI). If there is an issue with R5F64178PFB#2C, 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 R5F64178PFB#2C part is unused and in its original packaging.
Return procedure for R5F64178PFB#2C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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