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Renesas R5F64189DFB#U0
- Part No.:
- R5F64189DFB#U0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F64189DFB#U0.pdf
- Description:
- IC MCU 16/32B 1MB FLASH 100LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,982
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Product details
Overview
R5F64189DFB#U0 from Renesas Electronics is a 64 MHz, 1 MB flash, 63 KB RAM, 100-pin LQFP microcontroller in the R32C/118 Group, featuring dual CAN 2.0B modules, nine UART channels (including I²C-bus support), 26-channel 10-bit ADC, and IEEE-754 single-precision FPU - deployed in automotive audio head units requiring deterministic real-time control and multi-bus connectivity.
For engineers reviewing the R5F64189DFB#U0 datasheet, R5F64189DFB#U0 pinout, R5F64189DFB#U0 application, or R5F64189DFB#U0 equivalent, key selection criteria include CAN bus timing compliance (ISO 11898-1), 5 V-tolerant I/O count (32 pins), wait-state configurable external bus interface, and on-chip debug support for production firmware validation.
Technical Context
The R5F64189DFB#U0 implements the R32C/100 Series CPU core with 108 basic instructions, 32-bit × 32-bit multiplier, 32-bit barrel shifter, and single-precision floating-point unit compliant with IEEE-754. It supports memory expansion mode with 4 GB address space and up to 64 MB user-accessible external memory.
Its peripheral set includes two independent CAN modules (32 mailboxes total), nine asynchronous/synchronous serial interfaces (UART0–UART8), one multi-master I²C-bus interface, and DMAC II with chain transfer capability triggered by any peripheral interrupt - enabling concurrent high-throughput data movement without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | R32C/100 Series CISC core with 108 instructions, 15.625 ns min instruction time at 64 MHz |
| Flash / RAM | 1 MB flash + 8 KB data flash; 63 KB RAM - sufficient for complex automotive audio stacks with OTA update partitioning |
| CAN Interfaces | 2 × ISO 11898-1-compliant CAN 2.0B modules, 32 total mailboxes - supports dual-bus vehicle network topology |
| ADC | 10-bit resolution × 26 channels with sample-and-hold - enables simultaneous analog sensor monitoring in HVAC and UI subsystems |
| Package | 100-pin plastic LQFP (PLQP0100KB-A), 0.5 mm pitch - compatible with standard SMT reflow profiles and IPC-7351B land patterns |
| Operating Temp | -40°C to +85°C (D version) - qualified for under-dash automotive environments per AEC-Q100 stress test requirements |
| Supply Voltage | VCC = 3.0 V to 5.5 V - supports direct connection to 5 V automotive power rails without level-shifting |
Pinout & Package
100-pin plastic molded LQFP (PLQP0100KB-A), 14 × 14 mm body, 0.5 mm lead pitch, exposed thermal pad not present.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P8_2 | CAN0OUT / CAN1OUT / INT0 | Dual-CAN output driver with interrupt assertion on TX completion or error - enables shared CAN transceiver control logic |
| P8_3 | CAN0IN / CAN0WU / CAN1IN / CAN1WU / INT1 | Input/wake-up receiver for both CAN buses with dedicated interrupt - supports low-power sleep wake-on-CAN frame detection |
| P10_0–P10_7 | AN_0–AN_7 / KI0–KI3 | 8-channel analog input + 4-key interrupt inputs - integrates front-panel button sensing and voltage monitoring in one port |
| P0_0–P0_7 | AN0_0–AN0_7 / D0–D7 | 8-bit parallel data bus + analog inputs - allows legacy 8-bit peripheral interfacing while retaining ADC functionality |
| P5_0 / P5_1 | WR0 / WR1 / BC1 | Write strobes with bus control - supports multiplexed 16-bit external memory access with programmable wait states |
Key Features
| Feature | Design Value |
|---|---|
| Dual CAN 2.0B modules | Independent message filtering, 32 mailboxes, ISO 11898-1 timing compliance - eliminates need for external CAN controllers in gateway designs |
| 9-channel serial interface | UART0–UART8 with I²C-bus mode (UART0–UART6) - enables concurrent connection to Bluetooth module, display controller, and EEPROM via shared pins |
| On-chip FPU | IEEE-754 single-precision - accelerates audio DSP algorithms (e.g., equalization, crossover) without external math coprocessor |
| Intelligent I/O | 16-bit input capture × 16 / output compare × 19 - supports precise PWM generation for RGB LED backlighting and motor fan control |
| Data flash | 4 KB × 2 blocks with 1,000 program/erase cycles - stores calibration data and user preferences with wear-leveling support |
Applications
| Automotive Audio Head Unit | Industrial HMI Controller |
|---|---|
Use Scenario: Central infotainment processor managing AM/FM/DAB radio, Bluetooth streaming, USB media playback, and touchscreen UI. IC Role / Device Role / Timing Role: Main application MCU executing RTOS, handling CAN bus communication with vehicle network, and driving audio codec via serial interface. Use Value: Dual CAN modules enable simultaneous communication with instrument cluster and body control module; 64 MHz CPU ensures <50 µs interrupt latency for real-time audio buffer management. | Use Scenario: Panel-mounted controller for factory automation equipment with touch display, sensor inputs, and relay outputs. IC Role / Device Role / Timing Role: System controller coordinating serial sensor reads (RS-485), local analog monitoring, and discrete I/O actuation via programmable ports. Use Value: 26-channel 10-bit ADC supports simultaneous temperature, pressure, and current sensing; 32 5 V-tolerant I/O pins simplify direct connection to industrial sensors and PLC-level signals. |
| Printer Engine Control | Office Equipment Power Management |
Use Scenario: High-speed laser printer mainboard controlling laser diode modulation, paper feed motors, and toner delivery subsystems. IC Role / Device Role / Timing Role: Real-time motion controller using three-phase motor timer and intelligent I/O for encoder feedback and PWM drive signal generation. Use Value: Integrated three-phase motor control timer (A1/A2/A4/B2) with 8-bit dead-time programming eliminates external gate driver logic for brushless fan and stepper control. | Use Scenario: Power sequencer and supervisor for multifunction copiers with multiple DC-DC rails and thermal monitoring. IC Role / Device Role / Timing Role: System power manager monitoring supply voltages, triggering reset on brownout, and controlling rail enable sequencing via GPIO. Use Value: Low-voltage detector with interrupt output enables fast (<1 µs) response to VCC droop; 63 KB RAM buffers event logs during power-fail conditions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F64189DFD#U0 | 144-pin LQFP package, 34-channel ADC, 24 intelligent I/O outputs vs. 19 in R5F64189DFB#U0 | Required when >26 analog inputs or >19 PWM outputs needed - e.g., advanced HVAC control with multi-zone sensors | Select R5F64189DFD#U0 only if additional I/O or ADC channels justify larger PCB footprint and higher cost |
| R5F64188DFB#U0 | 768 KB flash, 63 KB RAM, identical 100-pin LQFP package and peripheral set | Suitable for cost-optimized audio systems where 1 MB flash overhead is unnecessary - e.g., entry-level car stereo without navigation stack | Choose R5F64188DFB#U0 when firmware size remains <700 KB and BOM cost reduction is prioritized over future scalability |
Compared with R5F64189DFD#U0, the R5F64189DFB#U0 reduces PCB area and routing complexity via 100-pin LQFP while retaining full CAN, UART, and ADC functionality for mid-tier automotive audio; versus R5F64188DFB#U0, it provides 232 KB additional flash for feature-rich firmware including voice recognition and firmware-over-the-air updates.
Availability
R5F64189DFB#U0 is available at Aetrix Electronics and suitable for automotive audio head units, industrial HMI controllers, printer engine control systems, and office equipment power management requiring stable component supply across extended product lifecycles.
Supply support for R5F64189DFB#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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power devices for automotive, industrial, and IoT markets.
The R32C/118 Group belongs to the R32C/100 Series high-end MCU line, designed for deterministic real-time control in automotive infotainment and industrial automation where CAN integration, analog processing, and code efficiency are critical.
FAQ
What is the maximum operating frequency of the R5F64189DFB#U0?
The R5F64189DFB#U0 operates at a maximum CPU frequency of 64 MHz, achieving a minimum instruction execution time of 15.625 ns. This high-speed performance is enabled by its R32C/100 Series CPU core with integrated PLL clock generator and supports demanding real-time tasks such as audio buffering and CAN message scheduling in the R5F64189DFB#U0.
Does the R5F64189DFB#U0 support CAN FD or only classical CAN 2.0B?
The R5F64189DFB#U0 supports only ISO 11898-1-compliant classical CAN 2.0B - not CAN FD. Its dual CAN modules provide 32 total mailboxes, programmable bit timing, and error confinement, but lack the variable data rate and extended frame format required for CAN FD. This limitation is explicitly defined in the R32C/118 Group datasheet for the R5F64189DFB#U0.
How many analog-to-digital converter channels does the R5F64189DFB#U0 have?
The R5F64189DFB#U0 integrates a 10-bit ADC with 26 input channels, as confirmed in Table 1.4 of the R32C/118 Group datasheet for the 100-pin package variant. This matches the R5F64189DFB#U0's specific configuration and supports simultaneous sampling of multiple sensors in automotive and industrial applications using the R5F64189DFB#U0.
Is the R5F64189DFB#U0 pin-compatible with other members of the R32C/118 Group in the same package?
Yes, the R5F64189DFB#U0 shares identical pinout and electrical characteristics with all other 100-pin LQFP variants in the R32C/118 Group (e.g., R5F64185DFB#U0, R5F64188DFB#U0), including identical I/O mapping, power pin locations, and reset/clock pin assignments - enabling drop-in replacement within the same memory and speed grade family.
What debug interface does the R5F64189DFB#U0 support for firmware development?
The R5F64189DFB#U0 supports on-chip debug via the standard Renesas E1/E20 emulator interface, using dedicated debug pins (XIN/XOUT, RESET, and optional trace signals). It also enables on-board flash programming through the built-in bootloader, allowing field firmware updates without external programming hardware for the R5F64189DFB#U0.
R5F64189DFB#U0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- M16C/R32C/100/118
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- 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:
- 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:
R5F64189DFB#U0 FAQ
1.How can I place an order for R5F64189DFB#U0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F64189DFB#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 R5F64189DFB#U0 reliable?
The price and inventory of R5F64189DFB#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F64189DFB#U0 is usually 5 days.
3.What payment methods are accepted for R5F64189DFB#U0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F64189DFB#U0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F64189DFB#U0?
R5F64189DFB#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F64189DFB#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 R5F64189DFB#U0?
For technical support, including R5F64189DFB#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F64189DFB#U0 requirements.
6.How does Aetrix verify that R5F64189DFB#U0 is sourced from the original manufacturer or authorized distributors?
All R5F64189DFB#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 R5F64189DFB#U0 meets industry standards.
7.What is the process for return or replacement of R5F64189DFB#U0?
All R5F64189DFB#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F64189DFB#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 R5F64189DFB#U0 part is unused and in its original packaging.
Return procedure for R5F64189DFB#U0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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