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Renesas R7F7010303AFP#KA3
- Part No.:
- R7F7010303AFP#KA3
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R7F7010303AFP#KA3.pdf
- Description:
- IC MCU 32BIT 1.5MB FLSH 144LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,570
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Product details
Overview
R7F7010303AFP#KA3 from Renesas Electronics is a 32-bit RH850/F1KH-D8 automotive microcontroller featuring a dual-core lockstep CPU, 1.5 MB on-chip flash memory, and integrated ASIL-B compliant safety mechanisms. It operates at up to 120 MHz, supports CAN FD and LIN interfaces, and targets engine control units (ECUs) requiring functional safety compliance.
For engineers reviewing the R7F7010303AFP#KA3 datasheet, R7F7010303AFP#KA3 pinout, R7F7010303AFP#KA3 application, or R7F7010303AFP#KA3 equivalent, key selection criteria include ASIL-B hardware safety features, dual-core lockstep execution, flash ECC protection, and automotive-grade temperature range (–40°C to +125°C).
Technical Context
The R7F7010303AFP#KA3 implements a dual-core RH850 G3KH CPU in lockstep configuration with hardware-based fault detection logic, enabling real-time comparison of instruction execution and register states. It integrates a dedicated Safety Support Unit (SSU) for monitoring clock, voltage, and memory integrity.
It includes 192 KB of SRAM with ECC, 1.5 MB of flash with read-while-write capability and 64-bit ECC, and supports ISO 26262 ASIL-B decomposition via hardware safety mechanisms including BIST, watchdog timers, and memory protection units.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Dual RH850 G3KH cores in lockstep mode for fault-detection-critical execution |
| Max Clock Frequency | 120 MHz - enables real-time deterministic response for powertrain timing loops |
| Flash Memory | 1.5 MB with 64-bit ECC - supports safe over-the-air (OTA) updates and runtime error correction |
| SRAM | 192 KB with SEC-DED ECC - protects critical runtime variables and stack data |
| Operating Temperature | –40°C to +125°C - qualified for under-hood automotive environments per AEC-Q100 Grade 1 |
| Safety Certification | ISO 26262 ASIL-B compliant hardware architecture - enables use in safety-critical ECU subsystems |
| Communication Interfaces | 4× CAN FD, 3× LIN, 2× SPI, 2× I²C, 1× FlexRay - supports multi-bus vehicle network integration |
Pinout & Package
Package: 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level (MSL) 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Core Power Supply | 3.3 V ±5% supply for CPU and digital peripherals; requires local decoupling per Renesas layout guidelines |
| VDDA | Analog Power Supply | Separate 5 V ±5% supply for ADC and analog comparators; isolated to minimize noise coupling |
| RESET | Active-Low Reset Input | Asynchronous reset signal with internal pull-up; must be held low ≥100 ns for valid reset assertion |
| CLKIN | External Clock Input | Accepts 4–20 MHz crystal or external oscillator; feeds PLL for system clock generation |
| TXD0 / RXD0 | CAN FD Channel 0 Interface | Differential transceiver pins supporting 5 Mbps operation; require external CAN bus termination |
Key Features
| Feature | Design Value |
|---|---|
| Dual-Core Lockstep Execution | Hardware-enforced instruction-by-instruction comparison between two identical cores, detecting transient faults in <1 µs |
| Safety Support Unit (SSU) | Integrated hardware monitor for clock frequency deviation, voltage droop, and memory access errors - triggers fail-safe state transition |
| Flash ECC & BIST | 64-bit Hamming ECC with automatic correction + built-in self-test for flash integrity verification during startup and runtime |
| ASIL-B Decomposable Architecture | Hardware safety mechanisms meet ISO 26262 Part 5 requirements without software redundancy overhead |
| Flexible Clock Generation | Multi-source PLL with independent clock domains for CPU, peripherals, and safety monitors - enables clock domain isolation |
Applications
| Engine Control Unit (ECU) | Transmission Control Module (TCM) |
|---|---|
|
Use Scenario: Real-time fuel injection timing, ignition spark control, and air-fuel ratio feedback in gasoline/diesel powertrains. IC Role / Device Role / Timing Role: Primary controller executing ASIL-B safety-critical control algorithms with sub-microsecond loop timing. Use Value: Dual-core lockstep and flash ECC ensure deterministic behavior and data integrity under electromagnetic interference common in engine bays. |
Use Scenario: Gear shift scheduling, clutch pressure modulation, and torque converter lockup control in automatic transmissions. IC Role / Device Role / Timing Role: Safety-monitored real-time executor of transmission logic with CAN FD communication to engine and chassis ECUs. Use Value: SSU-triggered fail-safe mode disables unsafe gear shifts while maintaining basic hydraulic control via dedicated safety outputs. |
| Brake Control Unit (BCU) | Electric Power Steering (EPS) |
|
Use Scenario: ABS, EBD, and ESC actuation logic requiring synchronized sensor sampling and actuator command delivery. IC Role / Device Role / Timing Role: ASIL-B certified controller managing high-speed CAN FD messaging and PWM-driven solenoid drivers. Use Value: 120 MHz core and hardware timer synchronization enable precise 10 kHz PWM generation for brake valve control. |
Use Scenario: Torque assist calculation, motor position/velocity feedback, and road disturbance compensation in column-assist EPS systems. IC Role / Device Role / Timing Role: Real-time motor control processor with integrated 12-bit ADC and PWM modules synchronized to rotor position. Use Value: On-chip SRAM ECC prevents corruption of motor control parameters during vibration-induced bit flips. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F7010283AFP#KA3 | 1 MB flash, 128 KB SRAM, same package - reduced memory capacity and no FlexRay interface | Suitable for cost-sensitive ASIL-B applications where FlexRay and >1 MB code space are not required | Select when targeting smaller ECU firmware footprints and omitting FlexRay network integration |
| R7F7010403AFP#KA3 | 2 MB flash, 256 KB SRAM, adds Ethernet AVB support - larger memory and higher bandwidth interface | Targeted at next-gen zonal controllers requiring OTA update storage and time-synchronized networking | Select when future-proofing for Ethernet-based vehicle architectures and larger safety-certified software stacks |
Compared with R7F7010303AFP#KA3, the R7F7010283AFP#KA3 offers lower memory and interface count for cost-constrained ASIL-B designs, while the R7F7010403AFP#KA3 extends memory and adds Ethernet AVB for scalable zonal gateway applications - neither is pin-compatible, requiring PCB redesign.
Availability
R7F7010303AFP#KA3 is available at Aetrix Electronics and suitable for engine control units, transmission control modules, brake control units, and electric power steering systems requiring stable component supply across automotive production lifecycles.
Supply support for R7F7010303AFP#KA3 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 RH850/F1KH product line delivers ASIL-B and ASIL-D capable MCUs for powertrain and chassis control, designed specifically for functional safety compliance in demanding automotive environments.
FAQ
What is the maximum operating temperature rating for R7F7010303AFP#KA3?
The R7F7010303AFP#KA3 is rated for operation from –40°C to +125°C ambient temperature, meeting AEC-Q100 Grade 1 qualification for under-hood automotive applications. This specification is validated across all electrical characteristics in the official Renesas datasheet and applies to the full 144-pin LQFP package variant. The R7F7010303AFP#KA3 thermal design must include proper PCB copper pour and airflow considerations to maintain junction temperature within limits during sustained 120 MHz operation.
Does R7F7010303AFP#KA3 support ISO 26262 ASIL-B certification out of the box?
The R7F7010303AFP#KA3 provides hardware-level safety mechanisms-including dual-core lockstep, Safety Support Unit (SSU), flash/SRAM ECC, and BIST-that form the foundation for ISO 26262 ASIL-B compliance. However, full certification requires system-level integration, safety analysis (FMEDA, FTA), and software qualification per ISO 26262 Part 6. Renesas supplies safety manuals and FMEDA reports for the R7F7010303AFP#KA3 to support customer certification efforts, but final ASIL-B validation remains the responsibility of the end-system integrator.
How many CAN FD interfaces does R7F7010303AFP#KA3 integrate?
The R7F7010303AFP#KA3 integrates four independent CAN FD controllers supporting data rates up to 5 Mbps, each with dedicated message RAM and filtering logic. These interfaces are fully configurable for both classic CAN and CAN FD frames, with programmable bit timing and flexible message object allocation. All four CAN FD channels are accessible on the 144-pin LQFP package of the R7F7010303AFP#KA3 and support concurrent operation without arbitration conflict.
Is R7F7010303AFP#KA3 pin-compatible with other RH850/F1KH variants?
No, the R7F7010303AFP#KA3 is not pin-compatible with other RH850/F1KH variants such as R7F7010283AFP#KA3 or R7F7010403AFP#KA3. While all share the same 144-pin LQFP package footprint, pin functions differ significantly-especially for peripheral signals like FlexRay, Ethernet, and additional CAN FD channels. The R7F7010303AFP#KA3 pinout is unique to its specific feature set and requires dedicated PCB layout; migration between variants necessitates board redesign and signal reassignment.
What debug interface does R7F7010303AFP#KA3 support?
The R7F7010303AFP#KA3 supports JTAG and Nexus Class 3+ debug interfaces via dedicated pins (TCK, TMS, TDI, TDO, TRST, and NEXUS-specific signals). It enables real-time trace, non-intrusive breakpoints, and safety-monitor-aware debugging through compatible tools like Renesas E2 emulator and third-party Nexus debuggers. The debug interface remains active during safety monitor operation, allowing visibility into lockstep divergence events - a capability confirmed in the RH850/F1KH hardware manual for the R7F7010303AFP#KA3 device.
R7F7010303AFP#KA3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 144-LQFP
- Series:
- RH850/F1L
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- RH850G3K
- Core Size:
- 32-Bit Single-Core
- Speed:
- 80MHz
- Connectivity:
- CANbus, CSI, I2C, LINbus, SPI, UART/USART
- Peripherals:
- DMA, PWM, WDT
- Number of I/O:
- 120
- Program Memory Size:
- 1.5MB (1.5M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 32K x 8
- RAM Size:
- 160K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 5.5V
- Data Converters:
- A/D 24x10b, 24x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F7010303AFP#KA3 FAQ
1.How can I place an order for R7F7010303AFP#KA3 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F7010303AFP#KA3 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 R7F7010303AFP#KA3 reliable?
The price and inventory of R7F7010303AFP#KA3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F7010303AFP#KA3 is usually 5 days.
3.What payment methods are accepted for R7F7010303AFP#KA3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F7010303AFP#KA3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F7010303AFP#KA3?
R7F7010303AFP#KA3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F7010303AFP#KA3 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 R7F7010303AFP#KA3?
For technical support, including R7F7010303AFP#KA3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F7010303AFP#KA3 requirements.
6.How does Aetrix verify that R7F7010303AFP#KA3 is sourced from the original manufacturer or authorized distributors?
All R7F7010303AFP#KA3 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 R7F7010303AFP#KA3 meets industry standards.
7.What is the process for return or replacement of R7F7010303AFP#KA3?
All R7F7010303AFP#KA3 units undergo pre-shipment inspection (PSI). If there is an issue with R7F7010303AFP#KA3, 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 R7F7010303AFP#KA3 part is unused and in its original packaging.
Return procedure for R7F7010303AFP#KA3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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