Renesas R5F64189HDFD#UA
- Part No.:
- R5F64189HDFD#UA
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R5F64189HDFD#UA.pdf
- Description:
- IC MCU 16/32B 1MB FLASH 144LFQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,779
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Product details
Overview
R5F64189HDFD#UA from Renesas Electronics is a high-speed 64 MHz R32C/118 Group 32-bit CISC microcontroller in a 144-pin LQFP package, featuring 1 Mbyte flash + 8 Kbytes data flash, 63 Kbytes RAM, dual CAN 2.0B modules (32 mailboxes), nine UART channels with I²C-bus capability, and IEEE-754 single-precision FPU - deployed in automotive audio control units requiring deterministic real-time CAN messaging and analog sensor interfacing.
For engineers reviewing the R5F64189HDFD#UA datasheet, R5F64189HDFD#UA pinout, R5F64189HDFD#UA application, or R5F64189HDFD#UA equivalent, this page delivers verified technical context, validated pin functions for PLQP0144KA-A, confirmed memory mapping, CAN timing compliance per ISO 11898-1, and direct alternative part comparisons based on Renesas' official R32C/118 product matrix.
Technical Context
The R5F64189HDFD#UA implements the R32C/100 Series CPU core with 108 basic instructions, 15.625 ns minimum instruction cycle at 64 MHz, integrated 32×32→64-bit multiplier and MAC unit, and a dedicated IEEE-754 single-precision floating-point unit. Its memory architecture supports 4 Gbyte address space with up to 64 Mbyte user-accessible external bus expansion.
It integrates two independent CAN 2.0B controllers compliant with ISO 11898-1, each supporting 32 mailboxes with programmable acceptance filtering and loopback self-test mode; nine UART channels support asynchronous/synchronous operation, I²C-bus (UART0–UART6), and optional IEBus (requires sales office coordination); the 10-bit A/D converter provides 34 input channels with sample-and-hold, and the 8-bit D/A converter offers two output channels.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | R32C/100 Series 32-bit CISC with 108 instructions, 15.625 ns min. cycle @ 64 MHz |
| Flash / RAM | 1 Mbyte main flash + 8 Kbytes ×2 data flash; 63 Kbytes RAM - enables full firmware + parameter storage without external EEPROM |
| CAN Interfaces | 2 × ISO 11898-1-compliant CAN 2.0B controllers, 32 mailboxes each - supports dual-network automotive diagnostics and actuator control |
| Serial Peripherals | 9 × UART (I²C-bus on UART0–UART6), 1 × multi-master I²C-bus interface - allows mixed protocol communication with sensors and displays |
| A/D & D/A | 10-bit × 34-channel SAR ADC with sample-and-hold; 8-bit × 2-channel DAC - suitable for closed-loop motor control feedback and bias generation |
| Operating Range | -40°C to +85°C (D version), VCC = 3.0–5.5 V - qualified for under-dash automotive environments |
| Package | 144-pin plastic LQFP (PLQP0144KA-A), 20 × 20 mm, 0.5 mm pitch - standard footprint for high-I/O industrial PCB layouts |
Pinout & Package
144-pin plastic molded LQFP (PLQP0144KA-A) package with 0.5 mm lead pitch, 20 mm × 20 mm body size, and exposed thermal pad (non-electrical). Pin functions validated per Renesas R01DS0065EJ0120 datasheet Figures 1.3 and Tables 1.7–1.10.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P6_0–P6_7 | UART0/1 I/O, CAN0/1 signals, clock inputs | Primary serial and CAN physical layer interface - supports simultaneous CAN0/CAN1 transceiver connection and UART debug |
| P7_0–P7_7 | UART2/3/5/7/8, timer outputs, intelligent I/O | Multi-function port group enabling PWM-driven motor control (TA0OUT/TA1OUT) and dual UART bridging (RXD2/TXD2, RXD5/TXD5) |
| P9_0–P9_7 | CAN1 I/O, CLK4, ADTRG, UART4 | Dedicated CAN1 transceiver interface plus analog trigger (ADTRG) for synchronized sampling across multiple ADC channels |
| P10_0–P10_7 | Analog inputs (AN_0–AN_7), key interrupt inputs (KI0–KI3) | 8-channel analog front-end with 4-key scan interrupt - used for potentiometer-based UI and battery voltage monitoring |
| P15_0–P15_7 | UART6/7, CLK6/7, AN15_0–AN15_7 | Secondary analog bank (8 channels) and high-speed UART6/7 - enables isolated sensor acquisition and redundant comms path |
Key Features
| Feature | Design Value |
|---|---|
| IEEE-754 FPU | Single-precision hardware floating-point unit accelerates real-time audio DSP algorithms without software emulation overhead |
| Dual CAN 2.0B | Two independent CAN controllers with 32 mailboxes each enable concurrent powertrain and infotainment network traffic handling |
| 34-channel 10-bit ADC | Integrated sample-and-hold across all 34 inputs allows simultaneous sampling of motor phase currents and temperature sensors |
| Intelligent I/O | 24 waveform generation (output compare) and 16 time measurement (input capture) channels support encoder-based position tracking |
| External Bus Interface | 4-chip-select, wait-state configurable bus supports NOR flash, SRAM, or FPGA co-processor expansion up to 64 Mbyte address space |
Applications
| Automotive Audio Head Unit | Industrial CAN Gateway |
|---|---|
Use Scenario: Central infotainment controller managing Bluetooth audio streaming, USB playback, and amplifier DSP while receiving vehicle speed and HVAC status via CAN. IC Role / Device Role / Timing Role: Main application MCU executing RTOS, hosting audio codecs, and arbitrating dual-CAN traffic with <5 µs interrupt latency. Use Value: Integrated FPU and 64 MHz execution enable real-time Dolby Digital decoding; dual CAN controllers eliminate need for external bridge IC. | Use Scenario: Protocol translator between J1939 heavy-duty vehicle network and Modbus RTU fieldbus in fleet telematics gateway. IC Role / Device Role / Timing Role: Deterministic message router with mailbox-based CAN filtering and UART-to-Modbus framing logic. Use Value: 32-mailbox CAN buffers prevent frame loss during burst traffic; 9 UART channels allow simultaneous RS-485, RS-232, and debug interfaces. |
| Printer Engine Controller | Office Equipment Motor Drive |
Use Scenario: Laser printer motion control subsystem coordinating laser scanning, paper feed, and toner development using real-time position feedback. IC Role / Device Role / Timing Role: Precision timing MCU running PID loops with encoder input capture and PWM output compare on same timer peripherals. Use Value: Three-phase motor control timer + 8-bit dead-time generator directly drive brushless fan and paper transport motors without external gate drivers. | Use Scenario: Copier document feeder subsystem requiring synchronized stepper motor sequencing, jam detection, and user button response. IC Role / Device Role / Timing Role: Real-time I/O coordinator with 16-bit input capture for optical encoder feedback and 24-bit output compare for precise step pulse generation. Use Value: Intelligent I/O block offloads CPU from timing-critical motor sequencing; 5 V-tolerant I/O simplifies interface to legacy sensor arrays. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit automotive-grade MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F64188HDFD#UA | 768 Kbyte flash + 8 Kbyte data flash, 63 Kbyte RAM, identical pinout and peripheral set | Lower firmware capacity margin; suitable when application code fits within 768 KB and no future feature expansion is planned | Select for cost-sensitive designs where full 1 Mbyte flash is unused and BOM cost reduction is prioritized |
| R5F64189HNFD#UA | Same 1 Mbyte flash, 63 Kbyte RAM, but rated for -20°C to +85°C (N version) instead of -40°C to +85°C (D version) | Not qualified for extended temperature automotive under-hood or industrial outdoor deployment | Choose only for commercial indoor applications such as office printers or test equipment where ambient range is limited |
Compared with R5F64188HDFD#UA, the R5F64189HDFD#UA provides 128 Kbyte additional flash for bootloader redundancy and OTA update staging; versus R5F64189HNFD#UA, it guarantees operation down to -40°C - critical for automotive ECU qualification and industrial edge deployments.
Availability
R5F64189HDFD#UA is available at Aetrix Electronics and suitable for automotive audio systems, industrial CAN gateways, printer engine controllers, and office equipment motor drives requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R5F64189HDFD#UA 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/118 Group belongs to the high-end R32C/100 Series MCU line, designed specifically for deterministic real-time control in automotive infotainment, industrial automation, and precision office equipment where dual CAN, floating-point math, and large on-chip memory are essential.
FAQ
What is the maximum operating frequency and supply voltage range for the R5F64189HDFD#UA?
The R5F64189HDFD#UA operates at a maximum frequency of 64 MHz and supports a supply voltage range of VCC = 3.0 V to 5.5 V. It achieves a minimum instruction execution time of 15.625 ns at 64 MHz, and its current consumption is specified as 45 mA at VCC = 5.0 V and f(CPU) = 64 MHz. The device also supports low-power wait mode with 8 µA typical current draw at VCC = 3.3 V and 32.768 kHz sub-clock operation.
Does the R5F64189HDFD#UA include on-chip debug and flash programming capability?
Yes, the R5F64189HDFD#UA includes on-chip debug functionality and on-board flash programming support. These features enable in-system debugging and firmware updates without requiring external programming hardware, streamlining development and field maintenance workflows for products using the R5F64189HDFD#UA.
How many CAN modules does the R5F64189HDFD#UA integrate, and what standard do they comply with?
The R5F64189HDFD#UA integrates two independent CAN modules, both compliant with ISO 11898-1 (CAN 2.0B). Each module supports 32 mailboxes with programmable acceptance filtering, loopback self-test mode, and full bit-rate configuration - enabling robust dual-network automotive communication and industrial protocol bridging.
What is the analog-to-digital converter resolution and channel count on the R5F64189HDFD#UA?
The R5F64189HDFD#UA features a 10-bit successive approximation register (SAR) analog-to-digital converter with 34 input channels and integrated sample-and-hold circuitry. This configuration supports simultaneous sampling across multiple analog sensors - such as motor current shunts, temperature thermistors, and battery voltage dividers - in demanding real-time control applications.
Is the R5F64189HDFD#UA pin-compatible with other devices in the R32C/118 Group?
Yes, the R5F64189HDFD#UA is pin-compatible with all other 144-pin LQFP variants in the R32C/118 Group, including R5F64185HDFD#UA through R5F64188HDFD#UA. All share the PLQP0144KA-A package, identical pin assignments, and fully compatible peripheral mappings - enabling scalable memory upgrades without PCB redesign.
R5F64189HDFD#UA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 144-LQFP
- Series:
- M16C/R32C/100/118
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- R32C/100
- Core Size:
- 16/32-Bit
- Speed:
- 64MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, IEBus, UART/USART
- Peripherals:
- DMA, LVD, PWM, WDT
- Number of I/O:
- 120
- 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 34x10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F64189HDFD#UA FAQ
1.How can I place an order for R5F64189HDFD#UA through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F64189HDFD#UA 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 R5F64189HDFD#UA reliable?
The price and inventory of R5F64189HDFD#UA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F64189HDFD#UA is usually 5 days.
3.What payment methods are accepted for R5F64189HDFD#UA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F64189HDFD#UA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F64189HDFD#UA?
R5F64189HDFD#UA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F64189HDFD#UA 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 R5F64189HDFD#UA?
For technical support, including R5F64189HDFD#UA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F64189HDFD#UA requirements.
6.How does Aetrix verify that R5F64189HDFD#UA is sourced from the original manufacturer or authorized distributors?
All R5F64189HDFD#UA 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 R5F64189HDFD#UA meets industry standards.
7.What is the process for return or replacement of R5F64189HDFD#UA?
All R5F64189HDFD#UA units undergo pre-shipment inspection (PSI). If there is an issue with R5F64189HDFD#UA, 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 R5F64189HDFD#UA part is unused and in its original packaging.
Return procedure for R5F64189HDFD#UA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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