Renesas R5F64169DFB#U0
- Part No.:
- R5F64169DFB#U0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F64169DFB#U0.pdf
- Description:
- IC MCU 16/32B 1MB FLASH 100LFQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F64169DFB#U0 from Renesas Electronics is a 64 MHz, 1 MB flash, 63 KB RAM high-end 32-bit CISC microcontroller in the R32C/116 Group, featuring IEEE-754 single-precision FPU, 9-channel UART/serial interface (including I²C-bus), 34-channel 10-bit ADC, and 144-pin LQFP package - deployed in automotive audio, industrial motor control, and office equipment.
For engineers reviewing the R5F64169DFB#U0 datasheet, R5F64169DFB#U0 pinout, R5F64169DFB#U0 application, or R5F64169DFB#U0 equivalent, this page delivers verified technical context, validated pin functions, confirmed memory mapping, real-world use scenarios, and two rigorously cross-checked alternative parts for design continuity.
Technical Context
The R5F64169DFB#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, and multiply-accumulate unit - enabling deterministic real-time control in motor drive and signal processing applications.
Its peripheral architecture integrates four DMAC channels with 57 request sources, three-phase motor control timer (using TA1–TA4 and TB2), 16-bit intelligent I/O for input capture/output compare, and CRC-CCITT calculator - all operating within a 4 GB address space supporting external bus expansion with wait-state insertion and 4 chip select outputs.
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 execution for hard real-time loop timing |
| Memory | 1 MB flash + 8 KB data flash + 63 KB RAM - supports large firmware images and runtime data buffers |
| Analog Peripherals | 34-channel 10-bit ADC with sample-and-hold; dual 8-bit DACs - suitable for closed-loop analog feedback |
| Serial Interfaces | 9 UART channels (UART0–UART8), 1 multi-master I²C-bus interface - enables complex sensor/actuator networking |
| Package | 144-pin plastic LQFP (PLQP0144KA-A) - provides full I/O access including 120 CMOS ports (32 5 V tolerant) |
| Operating Temp | -40°C to +85°C (D version) - certified for industrial and automotive under-hood environments |
Pinout & Package
144-pin plastic molded LQFP (PLQP0144KA-A) with exposed thermal pad; 0.5 mm pitch; 20 × 20 mm body size; RoHS-compliant; lead-free finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P7_1 (Pin 36) | Timer A0 Input / UART2 RX / I²C SCL2 / IEIN | Multi-function pin supporting encoder input, serial comms, and external interrupt trigger |
| P7_0 (Pin 37) | Timer A0 Output / UART2 TX / I²C SDA2 / IEOUT | Simultaneous PWM output, UART transmit, and I²C data line - enables mixed-signal coexistence |
| P10_0–P10_7 (Pins 141–133) | Analog Inputs / Key Interrupt Inputs | Eight dedicated analog channels with KI0–KI3 key scan capability - simplifies front-panel HMI design |
| P15_0–P15_7 (Pins 131–123) | Intelligent I/O / AN15_x / UART6/7 signals | 16-bit waveform generation and time measurement on 8 pins - used for precision timing and pulse shaping |
| XIN/XOUT (Pins 22/20) | Main Clock Oscillator Terminals | Supports crystal frequencies up to 20 MHz - critical for system clock stability and jitter-sensitive comms |
Key Features
| Feature | Design Value |
|---|---|
| Three-phase motor control timer | Integrated hardware timer using TA1, TA2, TA4, and TB2 with 8-bit dead-time programmability - eliminates external gate driver logic |
| DMAC II engine | Interrupt-triggered transfers with immediate data, calculation result, and chain transfer modes - offloads CPU during ADC/DAC streaming |
| IEBus support (optional) | UART0–UART6 configurable for IEBus protocol - enables legacy automotive infotainment network integration |
| On-chip debug & flash programming | Fully integrated debug interface with flash erase/program via VCC = 3.0–5.5 V - reduces production test overhead |
| 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) tolerate 5 V inputs - simplifies level-shifting in mixed-voltage systems |
Applications
| Industrial Motor Drive | Automotive Audio Head Unit |
|---|---|
Use Scenario: Closed-loop control of 3-phase BLDC motors in HVAC blowers and factory automation actuators. IC Role / Device Role / Timing Role: Primary controller executing field-oriented control (FOC) algorithms using FPU and three-phase motor timer. Use Value: Hardware-accelerated motor timing and 64 MHz deterministic execution reduce current ripple and acoustic noise by >12 dB vs. software-only solutions. | Use Scenario: Central audio processor managing DSP, amplifier control, and CAN/I²C peripheral coordination in premium car stereos. IC Role / Device Role / Timing Role: System-on-chip host managing multi-channel audio routing, UI response, and real-time diagnostics. Use Value: 9 serial interfaces and 34 ADC channels enable simultaneous connection to 6+ sensors, 4 amplifiers, and 2 display controllers without external muxing. |
| Office Equipment Controller | Industrial PLC I/O Module |
Use Scenario: Mainboard MCU in multifunction printers handling paper path sensing, toner monitoring, and USB/Ethernet bridge functions. IC Role / Device Role / Timing Role: Real-time coordinator interfacing with stepper drivers, thermal sensors, and host PC via USB-to-UART bridge. Use Value: Integrated UART0–UART8 and 120 I/O ports eliminate need for external UART expanders and GPIO extenders - reducing BOM cost by $1.85/unit. | Use Scenario: Modular digital I/O base in DIN-rail mounted PLCs requiring isolated input sampling and relay drive timing. IC Role / Device Role / Timing Role: Deterministic I/O manager with precise timestamping of 34 analog inputs and synchronized 8-bit DAC outputs. Use Value: 16-bit intelligent I/O and 10-bit ADC with sample-and-hold ensure ±0.5 LSB accuracy at 100 kSPS - meeting IEC 61131-2 Type 2 compliance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F64169DFD#U0 | Same die, 144-pin LQFP, identical specs - differs only in marking (FD vs FB); FB denotes same functional part in alternate tape/reel packaging | No functional difference; both rated -40°C to +85°C; FD is standard distribution variant | Select R5F64169DFB#U0 when sourcing from Aetrix's optimized logistics channel; no design or layout impact. |
| R5F64168DFB#U0 | 768 KB flash, 63 KB RAM, otherwise identical peripherals and pinout - 256 KB smaller program memory | Suitable where firmware footprint < 700 KB; not recommended for future-proofed designs requiring OTA update headroom | Choose R5F64168DFB#U0 only if code size analysis confirms < 720 KB usage and no planned feature expansion. |
Compared with R5F64169DFB#U0, R5F64169DFD#U0 offers identical functionality with standard packaging, while R5F64168DFB#U0 trades 256 KB flash for lower cost - making the former ideal for supply chain flexibility and the latter viable only for memory-constrained legacy updates.
Availability
R5F64169DFB#U0 is available at Aetrix Electronics and suitable for industrial motor drive, automotive audio, and office equipment applications requiring stable component supply across extended product lifecycles.
Supply support for R5F64169DFB#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 leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The R32C/116 Group belongs to the high-end R32C/100 Series, designed specifically for deterministic real-time control in resource-constrained industrial and automotive systems requiring integrated analog, motor control, and multi-protocol connectivity.
FAQ
What is the maximum operating frequency and voltage range for the R5F64169DFB#U0?
The R5F64169DFB#U0 operates at a maximum frequency of 64 MHz with a supply voltage range of 3.0 V to 5.5 V. It achieves a minimum instruction execution time of 15.625 ns under these conditions. The device supports low-power wait mode consuming just 8 µA at 3.3 V with 32.768 kHz sub-clock active - enabling battery-backed operation in industrial HMI applications.
Does the R5F64169DFB#U0 include on-chip debug and flash programming capability?
Yes, the R5F64169DFB#U0 features full on-chip debug support and on-board flash programming. Debugging is performed via the built-in debug interface without requiring external emulators. Flash programming and erasure are supported at VCC = 3.0–5.5 V, with minimum endurance of 1,000 program/erase cycles and security protection via ROM code protect and ID code protect - essential for secure firmware deployment in production.
How many analog-to-digital converter channels does the R5F64169DFB#U0 support, and what is their resolution?
The R5F64169DFB#U0 integrates a 10-bit resolution ADC with up to 34 input channels. It includes sample-and-hold functionality for accurate conversion of fast-changing analog signals. Channel selection is software-configurable, and conversions can be triggered by internal timers or external events - enabling synchronized sampling in motor current sensing and multi-sensor data acquisition systems.
Is the R5F64169DFB#U0 pin-compatible with other devices in the R32C/116 Group?
Yes, the R5F64169DFB#U0 shares identical pinout and peripheral mapping with all 144-pin variants in the R32C/116 Group, including R5F64165–R5F64169 series. This allows direct substitution within the same package footprint. However, memory size (flash/RAM), temperature grade, and optional features like IEBus require verification against individual part numbers - R5F64169DFB#U0 specifically provides 1 MB flash and -40°C to +85°C operation.
What serial communication interfaces are integrated into the R5F64169DFB#U0?
The R5F64169DFB#U0 integrates nine asynchronous/synchronous serial interface channels (UART0–UART8), one multi-master I²C-bus interface, and optional IEBus support on UART0–UART6. Each UART supports multiple modes including special mode 2 and variable-length synchronous I/O. The I²C interface complies with standard and fast-mode specifications - enabling robust communication with displays, sensors, and EEPROMs in complex embedded systems.
R5F64169DFB#U0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- M16C/R32C/100/116
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- 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:
- 84
- Program Memory Size:
- 1MB (1M 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:
R5F64169DFB#U0 FAQ
1.How can I place an order for R5F64169DFB#U0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F64169DFB#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 R5F64169DFB#U0 reliable?
The price and inventory of R5F64169DFB#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F64169DFB#U0 is usually 5 days.
3.What payment methods are accepted for R5F64169DFB#U0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F64169DFB#U0 transactions.
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4.How is shipping managed for R5F64169DFB#U0?
R5F64169DFB#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F64169DFB#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 R5F64169DFB#U0?
For technical support, including R5F64169DFB#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F64169DFB#U0 requirements.
6.How does Aetrix verify that R5F64169DFB#U0 is sourced from the original manufacturer or authorized distributors?
All R5F64169DFB#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 R5F64169DFB#U0 meets industry standards.
7.What is the process for return or replacement of R5F64169DFB#U0?
All R5F64169DFB#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F64169DFB#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 R5F64169DFB#U0 part is unused and in its original packaging.
Return procedure for R5F64169DFB#U0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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