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Renesas R5F64165DFD#U0
- Part No.:
- R5F64165DFD#U0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R5F64165DFD#U0.pdf
- Description:
- R32C116 384+8K 3/5V -40TO+85C 14
- Quantity:
- Payment:
- Shipping:
Inventory:3,010
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Product details
Overview
R5F64165DFD#U0 from Renesas Electronics is a 144-pin LQFP 32-bit CISC microcontroller in the R32C/116 Group, featuring a 64 MHz CPU core, 384 KB flash + 8 KB data flash, 40 KB RAM, IEEE-754 single-precision FPU, and nine UART channels with multi-master I²C support - deployed in industrial motor control and audio subsystems.
For engineers reviewing the R5F64165DFD#U0 datasheet, R5F64165DFD#U0 pinout, R5F64165DFD#U0 application, or R5F64165DFD#U0 equivalent, this page delivers verified package mapping (PLQP0144KA-A), confirmed 34-channel 10-bit ADC, 2×8-bit DAC, 57 DMA request sources, and functional alternatives for automotive-grade embedded control.
Technical Context
The R5F64165DFD#U0 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, 32×32+64→64-bit MAC unit, and 32-bit barrel shifter. It supports single-chip, memory expansion, and microprocessor modes.
Its clock system integrates four independent circuits: main clock, sub-clock, PLL, and on-chip oscillator, with oscillation stop detection and programmable frequency division (÷2 to ÷24). Low-power operation includes wait mode (8 µA @ 3.3 V, 32.768 kHz) and stop mode.
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 per basic instruction |
| Memory | 384 KB flash + 8 KB data flash + 40 KB RAM - sufficient for complex firmware with field-upgradable parameter tables |
| Analog Peripherals | 10-bit ADC × 34 channels with sample-and-hold; 8-bit DAC × 2 - supports closed-loop analog feedback in servo drives |
| Serial Interfaces | 9 UART channels (UART0–UART8), 1 multi-master I²C-bus - enables simultaneous communication with displays, sensors, and power ICs |
| DMA Capability | DMAC with 4 channels and 57 request sources - offloads CPU during high-bandwidth ADC sampling or UART streaming |
| Operating Temperature | −40°C to +85°C (D version) - qualified for under-hood automotive and industrial ambient environments |
| Package | 144-pin plastic LQFP (PLQP0144KA-A) - standard surface-mount footprint compatible with automated PCB assembly |
Pinout & Package
144-pin plastic molded LQFP (PLQP0144KA-A), 20 mm × 20 mm body, 0.5 mm pitch, exposed pad not specified. Pin 1 index mark located per Renesas package drawing.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P7_1 (Pin 36) | TA0IN / TB5IN / RXD2 / SCL2 / STXD2 / MSCL / IIO1_7 / OUTC2_2 / ISRXD2 / IEIN | Primary timer input and I²C master clock line - supports encoder interface and synchronous serial timing |
| P7_0 (Pin 37) | TA0OUT / TXD2 / SDA2 / SRXD2 / MSDA / IIO1_6 / OUTC2_0 / ISTXD2 / IEOUT | Timer output and I²C master data line - drives bus arbitration and PWM waveform generation |
| P10_0–P10_7 (Pins 141–133) | AN_0–AN_7 / KI0–KI3 | Eight 10-bit ADC inputs with key interrupt capability - enables front-panel button scanning and analog sensor acquisition |
| P0_0–P0_7 (Pins 122–110) | AN0_0–AN0_7 / D0–D7 | Eight dedicated analog input pins with digital port function - provides isolated analog signal routing without multiplexer crosstalk |
| P15_0–P15_7 (Pins 131–123) | IIO0_0–IIO0_7 / AN15_0–AN15_7 | Second bank of eight 10-bit ADC inputs with intelligent I/O capture - supports time-stamped analog event logging |
Key Features
| Feature | Design Value |
|---|---|
| Three-phase motor control timer | Integrated hardware timer (using TA1–TA4, TB2) with 8-bit programmable dead-time insertion - eliminates external gate-driver logic for BLDC inverters |
| CRC-CCITT calculator | Hardware CRC engine (X¹⁶ + X¹² + X⁵ + 1) - accelerates checksum validation in CAN/I²C message stacks without CPU overhead |
| Intelligent I/O subsystem | 16-bit input capture ×16 and 16-bit output compare ×24 - enables precise edge-triggered timing and multi-channel PWM synchronization |
| On-chip debug & flash programming | Fully integrated debug interface with flash erase/program capability - supports in-system firmware updates without external programmers |
| 5 V tolerant I/O ports | 32 CMOS I/O pins (P4_0–P4_7, P5_4–P5_7, P6_0–P6_7, P7_0–P7_7, P8_0–P8_3) - simplifies level-shifting in mixed-voltage systems |
Applications
| Industrial Motor Control | Automotive Audio Subsystem |
|---|---|
Use Scenario: Closed-loop control of 3-phase brushless DC motors in HVAC blowers and industrial pumps. IC Role / Device Role / Timing Role: Primary MCU executing FOC algorithm, managing PWM generation via three-phase motor control timer, and sampling current/voltage via 34-channel ADC. Use Value: Hardware dead-time insertion and synchronized ADC triggers reduce phase-current measurement jitter to <100 ns, improving torque ripple by ≥15%. | Use Scenario: Signal processing and peripheral management in car audio head units with multi-zone amplification. IC Role / Device Role / Timing Role: System controller handling I²C-based DSP configuration, UART-linked display interface, and DAC-driven analog audio output stage. Use Value: Nine UART channels enable concurrent communication with LCD, touch panel, Bluetooth module, and amplifier ICs without software polling overhead. |
| Office Equipment Imaging | Home Appliance Power Management |
Use Scenario: Real-time image data path control in multifunction printers with scanner, laser driver, and paper feed subsystems. IC Role / Device Role / Timing Role: Central coordinator managing high-speed parallel data transfer (via external bus), encoder-based position feedback, and thermal monitoring. Use Value: 4 Gbyte address space and 4-ch DMAC support burst transfers up to 64 Mbytes/sec - meets 600 dpi scan throughput requirements. | Use Scenario: Energy-efficient power sequencing and sensor fusion in smart refrigerators with compressor, fan, and defrost heater control. IC Role / Device Role / Timing Role: Main application MCU performing temperature PID control using 10-bit ADC inputs, driving triac/relay outputs, and logging fault events to data flash. Use Value: 8 KB data flash endurance (1,000 cycles) ensures reliable storage of calibration coefficients and usage history over 10-year product lifetime. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F64165NFD#U0 | Same silicon, −20°C to +85°C operating range (N version) vs. −40°C to +85°C (D version) | Not rated for extended industrial or automotive under-hood use | Select only for commercial indoor applications with stable ambient conditions |
| R5F64165HDFD#U0 | Same package and memory, but high-speed version with 64 MHz guaranteed across full voltage range (3.0–5.5 V) | Guarantees timing-critical ISR latency at lower supply voltages where R5F64165DFD#U0 may throttle | Choose when operating below 4.5 V with deterministic real-time response requirements |
Compared with R5F64165NFD#U0, the R5F64165DFD#U0 adds extended temperature qualification for harsh environments; compared with R5F64165HDFD#U0, it trades guaranteed 64 MHz performance at low VCC for cost optimization in fixed 5 V systems.
Availability
R5F64165DFD#U0 is available at Aetrix Electronics and suitable for industrial motor control, automotive audio subsystems, and office equipment imaging requiring stable component supply and long-term lifecycle support.
Supply support for R5F64165DFD#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 Corporation is a global semiconductor manufacturer specializing in microcontrollers, analog, and power solutions for automotive, industrial, and IoT markets.
The R32C/116 Group belongs to the high-end R32C/100 Series MCU line, designed for demanding embedded applications requiring high code efficiency, rich peripheral integration, and deterministic real-time performance in resource-constrained systems.
FAQ
What is the maximum guaranteed operating frequency of the R5F64165DFD#U0?
The R5F64165DFD#U0 is rated for a maximum operating frequency of 64 MHz under specified conditions (VCC = 3.0 to 5.5 V, TA = −40°C to +85°C). This corresponds to a minimum instruction execution time of 15.625 ns for basic instructions. The device achieves this speed using its on-chip PLL and supports both high-speed and normal-speed versions - R5F64165DFD#U0 is the normal-speed variant with 64 MHz guarantee across its full temperature range.
Does the R5F64165DFD#U0 include hardware support for motor control?
Yes, the R5F64165DFD#U0 integrates a dedicated three-phase motor control timer using timers A1, A2, A4, and B2, along with an 8-bit programmable dead-time timer. This hardware block enables precise gate-drive signal generation for BLDC and PMSM inverters without CPU intervention. Combined with its 34-channel 10-bit ADC and intelligent I/O capture, the R5F64165DFD#U0 supports full-field-oriented control implementation in a single chip.
How many UART channels does the R5F64165DFD#U0 support, and what protocols do they implement?
The R5F64165DFD#U0 supports nine asynchronous/synchronous serial interface channels (UART0 through UART8). These channels implement multiple protocols including standard UART, I²C-bus (on UART0–UART6), Special Mode 2, and optional IEBus (requires sales office coordination). One channel is designated for multi-master I²C-bus interface, enabling direct connection to sensors, EEPROMs, and other I²C peripherals without external level shifters.
What is the flash memory endurance and security protection available on the R5F64165DFD#U0?
The R5F64165DFD#U0 provides 384 KB of main flash memory and two 4 KB data flash blocks, each rated for a minimum of 1,000 program/erase cycles. Security features include ROM code protection and ID code protection to prevent unauthorized firmware readout. Debug access is controlled via on-chip debug interface, and flash programming can be performed in-system without external tools - all managed through the R5F64165DFD#U0's built-in bootloader and protection registers.
Is the R5F64165DFD#U0 pin-compatible with other devices in the R32C/116 Group?
Yes, the R5F64165DFD#U0 uses the 144-pin PLQP0144KA-A package and shares identical pinout and peripheral mapping with all other 144-pin R32C/116 Group variants (e.g., R5F64166DFD#U0, R5F64167DFD#U0). This allows direct substitution within the same footprint when upgrading flash/RAM capacity or selecting higher-performance derivatives - provided external circuitry aligns with the specific variant's memory size and feature set.
R5F64165DFD#U0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 144-LQFP
- Series:
- M16C/R32C/100/116
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- R32C/100
- Core Size:
- 16/32-Bit
- Speed:
- 50MHz
- Connectivity:
- EBI/EMI, I2C, IEBus, UART/USART
- Peripherals:
- DMA, LVD, PWM, WDT
- Number of I/O:
- 120
- 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 34x10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F64165DFD#U0 FAQ
1.How can I place an order for R5F64165DFD#U0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F64165DFD#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 R5F64165DFD#U0 reliable?
The price and inventory of R5F64165DFD#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F64165DFD#U0 is usually 5 days.
3.What payment methods are accepted for R5F64165DFD#U0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F64165DFD#U0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F64165DFD#U0?
R5F64165DFD#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F64165DFD#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 R5F64165DFD#U0?
For technical support, including R5F64165DFD#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F64165DFD#U0 requirements.
6.How does Aetrix verify that R5F64165DFD#U0 is sourced from the original manufacturer or authorized distributors?
All R5F64165DFD#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 R5F64165DFD#U0 meets industry standards.
7.What is the process for return or replacement of R5F64165DFD#U0?
All R5F64165DFD#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F64165DFD#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 R5F64165DFD#U0 part is unused and in its original packaging.
Return procedure for R5F64165DFD#U0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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