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Renesas R5F64535KFD#U0
- Part No.:
- R5F64535KFD#U0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R5F64535KFD#U0.pdf
- Description:
- 32BIT MCU R32C/153 1MB 48K 144LQ
- Quantity:
- Payment:
- Shipping:
Inventory:2,549
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Product details
Overview
R5F64535KFD#U0 from Renesas Electronics is a 32-bit CISC automotive microcontroller in the R32C/156 Group, designed for vehicle network control. It features a 64 MHz CPU core with IEEE-754 single-precision FPU, 512 KB flash + 8 KB data flash, 32 KB RAM, dual CAN 2.0B modules (ISO 11898-1 compliant), and four LIN transceivers - all in a 144-pin LQFP package rated for -40°C to +125°C operation.
For engineers reviewing the R5F64535KFD#U0 datasheet, R5F64535KFD#U0 pinout, R5F64535KFD#U0 application, or R5F64535KFD#U0 equivalent, key selection criteria include CAN/LIN co-integration, extended temperature support, on-chip E2dataFlash endurance (100,000 cycles), 34-channel 10-bit ADC with self-test, and deterministic real-time interrupt response (261 vectors, 7 priority levels).
Technical Context
The R5F64535KFD#U0 implements the R32C/100 Series CPU core with multiplier, multiply-accumulate unit, and barrel shifter - enabling high code efficiency for motor control and signal processing. Its memory architecture supports 4-Gbyte address space with ROM mapped downward from FFFFFFFFh and RAM upward from 00000400h.
Dual CAN controllers each support 32 mailboxes and full ISO 11898-1 compliance; four LIN modules operate independently with dedicated UART-based protocol handling. The intelligent I/O subsystem provides 32 input-capture and 32 output-compare channels with digital debounce and phase-shift waveform generation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | R32C/100 Series 32-bit CISC with FPU, 64 MHz max, 15.625 ns min instruction time |
| Memory | 512 KB flash + 8 KB data flash, 32 KB RAM, 4 KB × 2 E2dataFlash blocks |
| Operating Temp | -40°C to +125°C (K version), qualified for under-hood automotive use |
| CAN Interface | 2× ISO 11898-1 compliant channels, 32 mailboxes total, wake-up capability |
| LIN Interface | 4× LIN 2.0/2.1 modules, each with dedicated TX/RX pins and protocol assist |
| Analog Peripherals | 10-bit ADC × 34 ch with sample-and-hold, open-circuit detection, ADTRG trigger |
| DMA | 4-channel DMAC + DMAC II with chain transfer, 52 request sources, repeat/single mode |
Pinout & Package
Package: 144-pin plastic molded LQFP (PLQP0144KA-A), 20 mm × 20 mm, 0.5 mm pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P9_5 / CAN1IN | CAN receive input | High-immunity differential receiver input for CAN channel 1, supports wake-up |
| P9_6 / CAN1OUT | CAN transmit output | Driver output for CAN channel 1, integrated bus driver stage |
| P8_2 / CAN0OUT | CAN transmit output | Shared pin for CAN0 and CAN1 transmit in multiplexed configuration |
| P8_3 / CAN0IN | CAN receive input | Shared pin for CAN0 and CAN1 receive with wake-up interrupt capability |
| P9_0–P9_3 / LIN2OUT–LIN3IN | LIN transceiver I/O | Dedicated bidirectional LIN pins per channel, supporting master/slave operation |
| AN0_0–AN0_7 / P0_0–P0_7 | Analog input | Eight-channel analog front-end for primary ADC group, with internal routing |
| RESET | Reset input | Active-low asynchronous reset with internal pull-up; initiates cold start sequence |
| NSD | Debug interface | On-chip debug communication pin; requires 1–4.7 kΩ pull-up to VCC |
Key Features
| Feature | Design Value |
|---|---|
| Dual CAN + Quad LIN integration | Enables centralized body control module design without external transceivers or protocol bridges |
| IEEE-754 FPU | Accelerates floating-point math for sensor fusion, battery state estimation, and motor vector control |
| Intelligent I/O (32× capture/32× compare) | Eliminates need for external timer peripherals in multi-signal timing-critical applications |
| E2dataFlash (4 KB × 2 blocks) | Supports 100,000 erase/write cycles for parameter storage, calibration data, and firmware logging |
| Three-phase motor control timer | Hardware-accelerated PWM generation with 8-bit dead-time insertion for BLDC/PMSM drives |
Applications
| Body Control Module (BCM) | Powertrain Sensor Hub |
|---|---|
Use Scenario: Centralized control of door locks, lighting, wipers, and HVAC in modern vehicles. IC Role / Device Role / Timing Role: Main MCU executing LIN slave coordination and CAN gateway functions between domains. Use Value: Dual CAN interfaces route messages between powertrain and chassis networks while quad LIN manages peripheral nodes with minimal software overhead. | Use Scenario: Aggregation and preprocessing of engine knock, exhaust gas, and crankshaft position signals. IC Role / Device Role / Timing Role: Real-time signal acquisition node with synchronized 10-bit ADC sampling and FPU-based filtering. Use Value: 34-channel ADC with self-test and open-circuit detection ensures functional safety compliance (ISO 26262 ASIL-B ready). |
| Electric Power Steering (EPS) ECU | Advanced Driver Assistance Systems (ADAS) Gateway |
Use Scenario: Torque assist calculation and motor current control in column-assist EPS systems. IC Role / Device Role / Timing Role: Safety-critical controller running ASIL-C software with three-phase motor timer and watchdog supervision. Use Value: Hardware motor control timer with programmable dead time reduces CPU load and improves PWM timing precision vs. software-timed solutions. | Use Scenario: Protocol translation between radar, camera, and central domain controller over CAN FD and LIN. IC Role / Device Role / Timing Role: Bridge MCU managing time-triggered CAN message scheduling and LIN diagnostics. Use Value: 261 interrupt vectors and 7-level priority enable deterministic latency for safety-critical ADAS messaging. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F64563KFD | Same R32C/156 Group, identical pinout and peripherals, but 512 KB ROM + 32 KB RAM (no E2dataFlash) | Preferred where flash-based parameter storage suffices and E2dataFlash endurance is not required | Select R5F64563KFD when E2dataFlash is unnecessary and cost optimization is prioritized |
| RA6T2H002CFM#AA0 | Arm Cortex-M4 core, 200 MHz, 512 KB flash, 128 KB SRAM, CAN FD, no native LIN - requires external LIN transceivers | Suitable for next-gen designs requiring higher compute throughput and CAN FD, but increases BOM count and layout complexity | Choose RA6T2H002CFM#AA0 for new designs targeting CAN FD upgrade path and Arm ecosystem tooling |
Compared with R5F64563KFD and RA6T2H002CFM#AA0, the R5F64535KFD#U0 uniquely delivers integrated LIN PHY support, E2dataFlash endurance, and proven ASIL-B readiness - making it optimal for cost-sensitive, legacy-compatible automotive modules requiring mixed-network connectivity.
Availability
R5F64535KFD#U0 is available at Aetrix Electronics and suitable for automotive body electronics, powertrain sensor interfaces, and electric power steering systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R5F64535KFD#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/156 Group is part of Renesas' legacy M16C-family automotive MCU line, engineered specifically for vehicle network gateways and distributed control units requiring CAN/LIN co-integration and extended temperature reliability.
FAQ
What is the maximum operating frequency and voltage range for the R5F64535KFD#U0?
The R5F64535KFD#U0 operates at a maximum CPU frequency of 64 MHz with a supply voltage range of 3.0 V to 5.5 V. It maintains full functionality across its specified industrial temperature range of -40°C to +125°C, making it suitable for under-hood automotive applications where thermal stability is critical. The device's clock generator includes PLL, main/sub oscillators, and frequency division circuits to support flexible timing configurations.
Does the R5F64535KFD#U0 include on-chip debug capability?
Yes, the R5F64535KFD#U0 includes on-chip debug functionality accessible via the NSD pin, which serves as the debug communication interface. This enables real-time debugging, flash programming, and breakpoint execution without requiring external JTAG adapters. The device also supports on-board flash programming and ROM code protection to safeguard firmware integrity during development and deployment.
How many CAN and LIN channels does the R5F64535KFD#U0 support, and what standards do they comply with?
The R5F64535KFD#U0 integrates two fully independent CAN 2.0B modules compliant with ISO 11898-1 and four LIN 2.0/2.1 modules. Each CAN channel supports 32 mailboxes and wake-up capability; each LIN channel includes dedicated UART-based protocol handling with automatic checksum generation and header detection. No external transceivers are required for basic LIN operation, though external drivers may be needed for extended bus length or fault tolerance.
What is the endurance rating and capacity of the E2dataFlash in the R5F64535KFD#U0?
The R5F64535KFD#U0 includes 4 KB × 2 blocks of E2dataFlash with a minimum endurance of 100,000 program/erase cycles. This non-volatile memory is optimized for frequent parameter updates, calibration data storage, and event logging in automotive applications where EEPROM-like reliability is required without external components. It is separate from main flash and supports independent read/write operations.
Is the R5F64535KFD#U0 pin-compatible with other members of the R32C/156 Group?
Yes, the R5F64535KFD#U0 shares the same 144-pin LQFP (PLQP0144KA-A) package and pin assignment with all R32C/156 Group variants, including R5F64561KFD, R5F64562KFD, and R5F64563KFD. Pin functions, power domains, and peripheral mappings are consistent across the group, enabling hardware reuse and scalable memory configuration without PCB redesign.
R5F64535KFD#U0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 144-LQFP
- Series:
- M16C/R32C/100/135
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- R32C/100
- Core Size:
- 16/32-Bit
- Speed:
- 64MHz
- Connectivity:
- CANbus, I2C, UART/USART
- Peripherals:
- 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:
- 48K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 5.5V
- Data Converters:
- A/D 34x10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F64535KFD#U0 FAQ
1.How can I place an order for R5F64535KFD#U0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F64535KFD#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 R5F64535KFD#U0 reliable?
The price and inventory of R5F64535KFD#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F64535KFD#U0 is usually 5 days.
3.What payment methods are accepted for R5F64535KFD#U0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F64535KFD#U0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F64535KFD#U0?
R5F64535KFD#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F64535KFD#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 R5F64535KFD#U0?
For technical support, including R5F64535KFD#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F64535KFD#U0 requirements.
6.How does Aetrix verify that R5F64535KFD#U0 is sourced from the original manufacturer or authorized distributors?
All R5F64535KFD#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 R5F64535KFD#U0 meets industry standards.
7.What is the process for return or replacement of R5F64535KFD#U0?
All R5F64535KFD#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F64535KFD#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 R5F64535KFD#U0 part is unused and in its original packaging.
Return procedure for R5F64535KFD#U0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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