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Renesas R5F64165DFD#20
- Part No.:
- R5F64165DFD#20
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R5F64165DFD#20.pdf
- Description:
- 32-BIT GENERAL MCU
- Quantity:
- Payment:
- Shipping:
Inventory:2,775
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Product details
Overview
R5F64165DFD#20 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 automotive audio and industrial motor control systems.
For engineers reviewing the R5F64165DFD#20 datasheet, R5F64165DFD#20 pinout, R5F64165DFD#20 application, or R5F64165DFD#20 equivalent, key selection criteria include operating temperature range (−40°C to +85°C), 5 V-tolerant I/O count (32 pins), 34-channel 10-bit ADC, three-phase motor control timer, and external bus interface supporting 8/16/32-bit data width.
Technical Context
The R5F64165DFD#20 implements the R32C/100 Series CPU core with 108 basic instructions, 32-bit barrel shifter, 32×32→64-bit multiplier, and multiply-accumulate unit. It integrates dual DMAC engines (DMAC and DMAC II) supporting 57 request sources and chain transfer functionality for real-time peripheral data handling.
Its clock system includes four independent generators (main clock, sub clock, PLL, on-chip oscillator), oscillation stop detection, and programmable frequency division (÷2 to ÷24). Low-power operation is enabled via wait/stop modes achieving 8 µA current draw at 3.3 V with 32.768 kHz sub-clock active.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | R32C/100 Series 32-bit CISC with 108 instructions, 15.625 ns min. instruction time at 64 MHz |
| Memory | 384 KB main flash + 8 KB ×2 data flash blocks; 40 KB RAM; 4 GB address space (64 MB user-accessible) |
| ADC | 10-bit resolution, 34 input channels with sample-and-hold, integrated into analog front-end |
| Timers | Five 16-bit Timer A units (PWM, encoder input); six 16-bit Timer B units (frequency/width measurement); one dedicated three-phase motor control timer |
| Serial Interfaces | Nine UART channels (UART0–UART8); one multi-master I²C-bus interface; optional IEBus support |
| Operating Range | −40°C to +85°C (D version); supply voltage 3.0 V to 5.5 V; 45 mA active current at 5.0 V / 64 MHz |
| Package | 144-pin plastic LQFP (PLQP0144KA-A), 20 mm × 20 mm × 1.4 mm body, 0.5 mm pitch |
Pinout & Package
144-pin plastic molded LQFP (PLQP0144KA-A) package with 0.5 mm lead pitch, 20 mm × 20 mm footprint, and exposed thermal pad (non-electrical). Pin 1 index marked per JEDEC MO-220 standard.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P7_1 | TA0IN / TB5IN / RXD2 / SCL2 / STXD2 / MSCL / IIO1_7 / OUTC2_2 / ISRXD2 / IEIN | Multi-function pin supporting Timer A/B input, UART2/I²C2 serial I/O, master clock line, intelligent I/O capture, and external interrupt trigger |
| P7_0 | TA0OUT / TXD2 / SDA2 / SRXD2 / MSDA / IIO1_6 / OUTC2_0 / ISTXD2 / IEOUT | Timer A output, UART2/I²C2 transmit/data line, master data line, intelligent I/O compare output, and external interrupt output |
| P10_0 to P10_7 | AN_0 to AN_7 / KI0 to KI3 | Eight analog input channels (10-bit ADC) with four key-input interrupt capability for human interface sensing |
| P15_0 to P15_7 | IIO0_0–IIO0_7 / AN15_0–AN15_7 / TXD7/RXD7/CLK7/CTS7/RTS7/SS6/SS7 | Dedicated intelligent I/O port with 8-bit analog inputs, UART7 timing signals, and synchronous serial control functions |
| XIN / XOUT | Main crystal oscillator input/output | Supports external crystal (1–20 MHz) or ceramic resonator; enables precise system clock generation and jitter-free timing |
| XCIN / XCOUT | Sub-clock oscillator input/output | Connects 32.768 kHz watch crystal for RTC and ultra-low-power wait mode operation |
Key Features
| Feature | Design Value |
|---|---|
| IEEE-754 Single-Precision FPU | Enables deterministic floating-point math for motor vector control and real-time signal processing without software emulation overhead |
| Three-Phase Motor Control Timer | Hardware-accelerated PWM generation with 8-bit programmable dead-time insertion for gate driver safety in BLDC/PMSM inverters |
| DMAC II Engine | Interrupt-triggered transfers with immediate data, calculation result, or chain transfer modes - eliminates CPU polling for sensor/actuator data movement |
| 5 V-Tolerant I/O Ports | 32 pins (P4_0–P4_7, P5_4–P5_7, P6_0–P6_7, P7_0–P7_7, P8_0–P8_3) interface directly with legacy 5 V logic without level shifters |
| On-Chip Debug & Flash Programming | Fully integrated debug module supports real-time trace, breakpoint, and in-system flash reprogramming via UART or dedicated debug interface |
Applications
| Automotive Audio Head Unit | Industrial Three-Phase Inverter |
|---|---|
Use Scenario: Central controller managing DSP audio processing, USB/SD card playback, display UI, and CAN/LIN communication in vehicle infotainment. IC Role / Device Role / Timing Role: Main application MCU executing real-time audio codecs, driving 34-channel ADC for microphone array input, and coordinating nine UART peripherals for subsystem interconnect. Use Value: Integrated FPU accelerates FFT-based noise cancellation; 384 KB flash stores multiple audio firmware variants; −40°C to +85°C rating ensures reliability under hood-adjacent mounting. | Use Scenario: Closed-loop motor control in HVAC compressors or CNC spindle drives requiring precise phase timing and fault protection. IC Role / Device Role / Timing Role: Real-time motion controller generating six complementary PWM outputs with synchronized dead-time, sampling current feedback via 10-bit ADC, and executing field-oriented control algorithms. Use Value: Dedicated three-phase motor timer reduces firmware complexity; 5 V-tolerant I/O interfaces directly with isolated gate drivers; 8 µA wait-mode current extends standby battery life. |
| Office Equipment Scanner Controller | Home Appliance Washing Machine MCU |
Use Scenario: Embedded controller in multifunction printers managing CIS image sensor readout, stepper motor sequencing, and network connectivity. IC Role / Device Role / Timing Role: High-speed data mover using DMAC II to stream raw image data from parallel sensor interface to internal RAM while simultaneously running JPEG compression on FPU. Use Value: Nine UART channels support simultaneous connections to scanner head, paper feed motor, network PHY, and host USB bridge; 4 GB address space accommodates future feature expansion. | Use Scenario: Main control unit in smart washing machines managing water valves, drum motor, temperature sensors, and user interface. IC Role / Device Role / Timing Role: System-on-chip integrating 26-channel ADC for thermistor/pressure sensing, UART for display panel communication, and intelligent I/O for zero-crossing detection on AC motor drive. Use Value: On-chip CRC calculator validates firmware integrity during OTA updates; data flash blocks store calibration coefficients across product lifetime; 32-bit barrel shifter optimizes PID loop execution speed. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F64165NFD#20 | Identical silicon; rated for −20°C to +85°C (N version) instead of −40°C to +85°C (D version) | Suitable for commercial indoor equipment where extended low-temperature operation is unnecessary | Select when ambient operating environment remains above −20°C and cost optimization is prioritized |
| R5F64165HDFD#20 | Same package and memory; high-speed version with 64 MHz guaranteed operation (vs. 50 MHz base for R5F64165DFD#20) | Required for applications demanding maximum CPU throughput, such as real-time audio mixing or complex motion profiling | Choose when deterministic 64 MHz performance is mandatory and thermal design supports higher power dissipation |
Compared with R5F64165NFD#20, the R5F64165DFD#20 provides extended industrial temperature range without sacrificing flash/RAM resources; versus R5F64165HDFD#20, it trades peak clock rate for lower dynamic power and relaxed thermal management in cost-sensitive motor control designs.
Availability
R5F64165DFD#20 is available at Aetrix Electronics and suitable for automotive audio head units, industrial motor drives, office equipment controllers, and home appliance mainboards requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R5F64165DFD#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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power devices for automotive, industrial, and IoT markets.
The R32C/116 Group belongs to the high-end R32C/100 Series MCU family, designed for complex real-time control applications requiring high code efficiency, rich peripheral integration, and deterministic timing - especially in automotive infotainment and industrial automation.
FAQ
What is the maximum operating frequency of the R5F64165DFD#20?
The R5F64165DFD#20 is a normal-speed variant rated for up to 50 MHz operation. Its CPU core achieves minimum instruction execution time of 15.625 ns only when configured for 64 MHz - a specification reserved for the high-speed R5F64165HDFD#20 variant. The R5F64165DFD#20 maintains full peripheral functionality at 50 MHz with reduced power consumption and thermal load.
Does the R5F64165DFD#20 support hardware floating-point operations?
Yes, the R5F64165DFD#20 integrates an IEEE-754 compatible single-precision floating-point unit (FPU) within its R32C/100 Series CPU core. This enables direct execution of 32-bit floating-point arithmetic without software library overhead, critical for real-time motor control algorithms and digital signal processing tasks in the R5F64165DFD#20 application space.
How many analog-to-digital converter channels does the R5F64165DFD#20 provide?
The R5F64165DFD#20 provides 34 channels of 10-bit analog-to-digital conversion with integrated sample-and-hold circuitry. This count applies specifically to the 144-pin PLQP0144KA-A package variant; the 100-pin version offers 26 channels. All ADC inputs are mapped to dedicated pins including P10_0–P10_7, P15_0–P15_7, and additional ANx signals across ports P0, P2, and P3 in the R5F64165DFD#20.
Is the R5F64165DFD#20 pin-compatible with other members of the R32C/116 Group?
Yes, all R32C/116 Group devices in the same package type share identical pinouts. The R5F64165DFD#20 uses the 144-pin PLQP0144KA-A package and is pin-compatible with R5F64166DFD#20, R5F64167DFD#20, and other D-version 144-pin variants. Memory size differences (384 KB vs. 512 KB flash) do not affect pin assignment or electrical behavior of shared signals in the R5F64165DFD#20 footprint.
What debug and programming interfaces are supported by the R5F64165DFD#20?
The R5F64165DFD#20 supports on-chip debugging via Renesas' E1/E20 emulator interface and in-system programming through its built-in UART bootloader. It includes full debug capabilities - including breakpoints, watchpoints, real-time trace, and memory inspection - without requiring external JTAG adapters. Flash programming is performed in-system using standard UART commands or via the dedicated debug interface, enabling field firmware updates for the R5F64165DFD#20.
R5F64165DFD#20 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#20 FAQ
1.How can I place an order for R5F64165DFD#20 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F64165DFD#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 R5F64165DFD#20 reliable?
The price and inventory of R5F64165DFD#20 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F64165DFD#20 is usually 5 days.
3.What payment methods are accepted for R5F64165DFD#20?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F64165DFD#20 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F64165DFD#20?
R5F64165DFD#20 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F64165DFD#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 R5F64165DFD#20?
For technical support, including R5F64165DFD#20 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F64165DFD#20 requirements.
6.How does Aetrix verify that R5F64165DFD#20 is sourced from the original manufacturer or authorized distributors?
All R5F64165DFD#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 R5F64165DFD#20 meets industry standards.
7.What is the process for return or replacement of R5F64165DFD#20?
All R5F64165DFD#20 units undergo pre-shipment inspection (PSI). If there is an issue with R5F64165DFD#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 R5F64165DFD#20 part is unused and in its original packaging.
Return procedure for R5F64165DFD#20:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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