Renesas R5F64176DFB#20
- Part No.:
- R5F64176DFB#20
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F64176DFB#20.pdf
- Description:
- 32BIT MCU R32C117 512K 100LQFP -
- Quantity:
- Payment:

- Shipping:

Inventory:1,166
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Product details
Overview
R5F64176DFB#20 from Renesas Electronics is a 512 KB flash, 40 KB RAM, 100-pin LQFP high-end 32-bit CISC microcontroller in the R32C/117 Group. It integrates a 64 MHz CPU core with IEEE-754 single-precision FPU, 9-channel UART (including I²C-bus and CAN), 26-channel 10-bit A/D converter, and operates from -40°C to +85°C for industrial motor control and automotive audio systems.
For engineers reviewing the R5F64176DFB#20 datasheet, R5F64176DFB#20 pinout, R5F64176DFB#20 application, or R5F64176DFB#20 equivalent, key selection criteria include CAN 2.0B compliance, 5 V-tolerant I/O on P4–P8 ports, 32 mailbox CAN controller, 16-bit timer A/B resources, and support for external bus expansion up to 64 Mbytes.
Technical Context
The R5F64176DFB#20 implements the R32C/100 Series CPU core with 108 basic instructions, 15.625 ns minimum instruction cycle at 64 MHz, and hardware multiplier/accumulate unit. Its memory architecture supports 4 Gbyte address space with user-accessible 64 Mbyte external bus interface, wait-state insertion, and four chip-select outputs.
It features dual DMA controllers (DMAC and DMAC II) with 51 request sources, 261 interrupt vectors, and peripheral integration including three-phase motor control timer (using TA1/TA2/TA4/B2), 8-bit programmable dead-time generator, and CRC-CCITT calculator for data integrity verification.
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 real-time motor control loop execution within 15.625 ns instruction cycle |
| Flash / RAM | 512 KB flash + 8 KB data flash / 40 KB RAM - sufficient for complex firmware with parameter storage |
| A/D Converter | 10-bit resolution × 26 channels with sample-and-hold - supports multi-sensor analog acquisition in industrial HMI |
| CAN Interface | ISO 11898-1 compliant CAN module with 32 mailboxes - enables robust vehicle network node implementation |
| Package | 100-pin plastic LQFP (PLQP0100KB-A) - standard surface-mount footprint compatible with automated assembly |
| Operating Temp | -40°C to +85°C (D version) - qualified for under-hood automotive and factory-floor industrial environments |
| I/O Count | 84 CMOS I/O ports, 32 of which are 5 V tolerant - simplifies interfacing with legacy 5 V peripherals without level shifters |
Pinout & Package
100-pin plastic molded LQFP (PLQP0100KB-A) package with 0.5 mm pitch, 14 mm × 14 mm body size, and exposed thermal pad per JEDEC MO-220.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P8_2 / INT0 / CAN0OUT | CAN transmit output | Direct connection to CAN transceiver TXD pin; requires external 120 Ω termination at network end |
| P8_3 / INT1 / CAN0IN / CAN0WU | CAN receive input with wake-up | Accepts differential CANH/CANL via transceiver RXD; supports bus-wake capability during stop mode |
| P10_0 to P10_7 | Analog inputs (AN_0 to AN_7) | Eight dedicated ADC input pins with internal sample-and-hold; share port with key-input function KI0–KI3 |
| P0_0 to P0_7 | General-purpose I/O with analog channel mapping | Eight pins supporting both digital I/O and A/D conversion (AN0_0 to AN0_7); usable as 8-bit data bus in external memory mode |
| P5_0 / WR0 / WR | Write strobe control | Active-low signal for external memory or peripheral write cycles; synchronized with external bus timing |
| P6_0 to P6_7 | UART0–UART1 I/O and clock signals | Support asynchronous/synchronous serial communication; includes CTS/RTS flow control and SCL/SDA for I²C emulation |
Key Features
| Feature | Design Value |
|---|---|
| Three-phase motor control timer | Hardware timer block using TA1/TA2/TA4/B2 with 8-bit programmable dead-time insertion for gate driver safety |
| Intelligent I/O subsystem | 16-bit input capture (16 channels) and output compare (19 channels) for precise waveform generation and timing measurement |
| Multi-master I²C-bus interface | Single-channel I²C supporting master/slave modes, 100/400 kbps, and arbitration - reduces external I²C controller count |
| On-chip debug & flash programming | Fully integrated debug interface with flash erase/program capability via single-wire SWD-like protocol - eliminates need for external programmer |
| Low-power operation | 8 µA standby current in wait mode at 3.3 V with 32.768 kHz sub-clock active - extends battery life in always-on nodes |
| External bus interface | Configurable 8/16-bit data bus, separate/multiplexed address/data, 4 chip selects - enables direct connection to SRAM, NOR flash, or FPGA |
Applications
| Industrial Motor Drive | Automotive Audio Head Unit |
|---|---|
Use Scenario: Closed-loop control of BLDC/PMSM motors in HVAC blowers or conveyor systems. IC Role / Device Role / Timing Role: Primary motion controller executing FOC algorithms, managing PWM generation, and monitoring current/voltage sensors via 26-channel ADC. Use Value: Integrated three-phase motor timer and dead-time control eliminate external logic, reducing BOM cost and PCB area by ~15% versus discrete solutions. | Use Scenario: Central audio processor in mid-tier car radio with AM/FM tuner, USB playback, and CAN-based steering wheel controls. IC Role / Device Role / Timing Role: System host MCU handling UI rendering, audio codec interface, and CAN message routing between infotainment and vehicle networks. Use Value: Native CAN 2.0B support with 32 mailboxes ensures deterministic response to steering button events (<100 µs latency) and concurrent diagnostics traffic. |
| Office Equipment Controller | Factory Automation I/O Module |
Use Scenario: Main controller in multifunction printers managing paper path, toner sensing, and network connectivity. IC Role / Device Role / Timing Role: Real-time task scheduler coordinating stepper motor sequencing, thermal head control, and Ethernet MAC interface. Use Value: 64 MHz CPU with FPU accelerates image scaling and compression tasks; 512 KB flash stores multiple firmware variants for regional SKUs. | Use Scenario: DIN-rail mounted remote I/O node collecting analog sensor data and driving solenoid valves over Modbus RTU. IC Role / Device Role / Timing Role: Protocol gateway translating Modbus ASCII/RTU to local GPIO, ADC, and PWM outputs with precise timing isolation. Use Value: 5 V-tolerant I/O on P4–P8 ports allow direct connection to 24 V industrial sensors without external level translators, cutting component count by 4–6 parts per node. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F64176DFD | Same 512 KB flash/40 KB RAM spec but in 144-pin LQFP (PLQP0144KA-A); adds 8 more ADC channels (34 vs. 26) and 5 additional I/O ports (P11–P15) | Required when design needs >84 I/O or full 34-channel ADC coverage for multi-zone temperature monitoring | Select R5F64176DFD only if pin count and peripheral expansion justify larger footprint and higher cost |
| R5F64175DFB | 384 KB flash/40 KB RAM variant in identical 100-pin LQFP; otherwise identical peripheral set and timing specs | Suitable for cost-sensitive designs where firmware size remains <384 KB and no future flash growth is anticipated | Choose R5F64175DFB to reduce unit cost by ~8% while retaining full pin and peripheral compatibility |
Compared with R5F64176DFD and R5F64175DFB, the R5F64176DFB#20 delivers optimal balance of flash capacity, I/O count, and package size for mid-complexity industrial controllers - avoiding overdesign while ensuring headroom for field firmware updates.
Availability
R5F64176DFB#20 is available at Aetrix Electronics and suitable for industrial motor drives, automotive audio systems, and office equipment requiring stable component supply across extended product lifecycles.
Supply support for R5F64176DFB#20 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 applications.
The R32C/117 Group belongs to Renesas' high-end M16C-family MCUs, designed specifically for real-time embedded systems demanding deterministic timing, rich analog integration, and CAN/I²C connectivity in harsh environments.
FAQ
What is the maximum operating frequency and voltage range supported by the R5F64176DFB#20?
The R5F64176DFB#20 operates at a maximum frequency of 64 MHz with a supply voltage range of 3.0 V to 5.5 V. This allows direct interfacing with both 3.3 V and 5 V logic families and supports high-speed real-time control loops. The device maintains full specification compliance across its entire -40°C to +85°C operating temperature range.
Does the R5F64176DFB#20 include on-chip debug capabilities and flash programming support?
Yes, the R5F64176DFB#20 includes full on-chip debug functionality and supports in-system flash programming via its dedicated debug interface. This eliminates the need for external programming hardware and enables field firmware updates. The R5F64176DFB#20 also provides ROM code protection and ID code security features to safeguard intellectual property.
How many analog-to-digital converter channels does the R5F64176DFB#20 provide, and what is their resolution?
The R5F64176DFB#20 integrates a 10-bit successive-approximation A/D converter with 26 input channels. All channels feature built-in sample-and-hold circuitry, enabling simultaneous sampling of multiple analog signals such as motor phase currents or temperature sensors. Channel selection and conversion triggering are fully programmable via register control.
What CAN protocol version and mailbox count does the R5F64176DFB#20 support?
The R5F64176DFB#20 supports CAN 2.0B protocol compliant with ISO 11898-1 and provides 32 independent message mailboxes. Each mailbox supports configurable acceptance filtering, priority-based transmission, and automatic retransmission on error. This enables robust implementation of multi-node vehicle networks or industrial control buses.
Is the R5F64176DFB#20 pin-compatible with other members of the R32C/117 Group in the same package variant?
Yes, all R32C/117 Group devices in the 100-pin LQFP package (PLQP0100KB-A), including R5F64176DFB#20, share identical pinouts and electrical characteristics. This allows seamless migration between flash size variants (e.g., R5F64175DFB, R5F64176DFB, R5F64177DFB) without PCB redesign, provided firmware accommodates memory map differences.
R5F64176DFB#20 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:
- 512KB (512K 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:
R5F64176DFB#20 FAQ
1.How can I place an order for R5F64176DFB#20 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F64176DFB#20 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 R5F64176DFB#20 reliable?
The price and inventory of R5F64176DFB#20 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F64176DFB#20 is usually 5 days.
3.What payment methods are accepted for R5F64176DFB#20?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F64176DFB#20 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F64176DFB#20?
R5F64176DFB#20 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F64176DFB#20 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 R5F64176DFB#20?
For technical support, including R5F64176DFB#20 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F64176DFB#20 requirements.
6.How does Aetrix verify that R5F64176DFB#20 is sourced from the original manufacturer or authorized distributors?
All R5F64176DFB#20 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 R5F64176DFB#20 meets industry standards.
7.What is the process for return or replacement of R5F64176DFB#20?
All R5F64176DFB#20 units undergo pre-shipment inspection (PSI). If there is an issue with R5F64176DFB#20, 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 R5F64176DFB#20 part is unused and in its original packaging.
Return procedure for R5F64176DFB#20:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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