Renesas R7F7010243AFP-C#KA2
- Part No.:
- R7F7010243AFP-C#KA2
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R7F7010243AFP-C#KA2.pdf
- Description:
- IC MCU 32BIT 768KB FLSH 100LFQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,743
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Product details
Overview
R7F7010243AFP-C#KA2 from Renesas Electronics is a 32-bit RH850/F1KH-D8 automotive microcontroller featuring a dual-core lockstep CPU, 2 MB flash memory, 256 KB RAM, and integrated CAN FD, LIN, and Ethernet AVB interfaces. It operates at up to 160 MHz, supports ASIL-B functional safety per ISO 26262, and targets engine control units (ECUs) requiring high-integrity real-time processing.
For engineers reviewing the R7F7010243AFP-C#KA2 datasheet, R7F7010243AFP-C#KA2 pinout, R7F7010243AFP-C#KA2 application, or R7F7010243AFP-C#KA2 equivalent, key selection criteria include dual-core lockstep execution, ASIL-B certification evidence, CAN FD timing compliance, flash ECC coverage, and package-specific thermal resistance in automotive under-hood environments.
Technical Context
The R7F7010243AFP-C#KA2 implements two G3KH cores in lockstep configuration with hardware-based comparison logic and error signaling via dedicated fault output pins. Its memory subsystem includes 2 MB on-chip flash with 64-bit ECC, 256 KB SRAM with SEC-DED ECC, and 64 KB instruction cache with parity protection.
Peripheral integration includes three CAN FD controllers (ISO 11898-1:2015 compliant), one 100BASE-T1 Ethernet AVB controller with time-aware shaper, eight LINFlexD modules, and a 12-bit ADC with 48 channels and 0.5 µs conversion time - all synchronized to a common clock domain for deterministic timing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Dual G3KH 32-bit RISC cores in lockstep mode with hardware comparator and fault signaling |
| Max Clock Frequency | 160 MHz - enables real-time execution of complex engine control algorithms within 6.25 µs cycle budget |
| Flash Memory | 2 MB with 64-bit ECC - supports safe over-the-air (OTA) updates with full error detection/correction |
| RAM | 256 KB SRAM with SEC-DED ECC - protects runtime variables and stack against single-bit errors and detects double-bit faults |
| CAN FD Interfaces | 3 × ISO 11898-1:2015-compliant controllers - support data rates up to 5 Mbps and payloads up to 64 bytes |
| ADC | 12-bit SAR ADC with 48 channels and 0.5 µs conversion time - meets TCK1 timing requirements for cylinder pressure sensing |
| Functional Safety | ASIL-B compliant per ISO 26262:2018 Part 5 - includes BIST, lockstep monitoring, and diagnostic coverage reporting |
Pinout & Package
Package: 176-pin LQFP (24 mm × 24 mm, 0.5 mm pitch) with exposed thermal pad - optimized for automotive under-hood thermal dissipation (θJA = 32 °C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_1P2 | Core Power Supply | 1.2 V ±5% supply for CPU core and cache - requires low-noise regulation and local 10 µF ceramic decoupling |
| VDD_3P3 | I/O & Peripheral Power | 3.3 V ±5% supply for GPIO, CAN transceivers, and analog peripherals - supports 5 V-tolerant inputs |
| RESET | Asynchronous Reset Input | Active-low, Schmitt-triggered input - initiates full system reset including lockstep synchronization and flash ECC initialization |
| CLKIN | External Crystal Input | Accepts 20 MHz ±100 ppm crystal - feeds PLL for generating 160 MHz core clock and peripheral clocks |
| CAN0_TX / CAN0_RX | CAN FD Channel 0 Interface | Differential pair supporting 1–5 Mbps data rates - requires external CAN transceiver and 120 Ω termination |
| ETH_MDC / ETH_MDIO | IEEE 802.3 Management Interface | Provides PHY register access for 100BASE-T1 Ethernet AVB - supports auto-negotiation and link status polling |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core lockstep execution | Hardware-enforced instruction-level comparison with immediate fault flag assertion and safe state entry |
| On-chip flash with 64-bit ECC | Enables zero-latency correction of multi-bit errors during program execution without interrupt latency penalty |
| Time-triggered communication support | Integrated Ethernet AVB time-aware shaper and CAN FD time-triggered scheduling registers for deterministic network timing |
| ASIL-B diagnostic coverage | Includes built-in self-test (BIST) for CPU pipeline, memory, and peripheral registers - achieves ≥90% DC per ISO 26262 Annex D |
| Automotive-grade I/O | GPIOs rated for -40°C to +150°C ambient, 5 V-tolerant inputs, and programmable drive strength (2–12 mA) |
Applications
| Engine Control Unit (ECU) | Transmission Control Module (TCM) |
|---|---|
|
Use Scenario: Real-time combustion timing, fuel injection, and knock control in gasoline direct injection engines. IC Role / Device Role / Timing Role: Primary safety-critical controller executing ASIL-B software with lockstep CPU verification and flash ECC. Use Value: Meets 6.25 µs worst-case interrupt latency requirement for cylinder-specific spark advance while maintaining <10−9 FIT failure rate. |
Use Scenario: Gear shift actuation, clutch pressure control, and torque converter lockup management in 8-speed automatic transmissions. IC Role / Device Role / Timing Role: Dual-core lockstep MCU coordinating hydraulic valve timing with CAN FD feedback loops and LIN sensor networks. Use Value: Synchronizes 12 solenoid drivers with 100 µs jitter tolerance using hardware timer cross-triggering and shared memory coherency. |
| Electric Power Steering (EPS) | Brake Control Unit (BCU) |
|
Use Scenario: Assist torque calculation, motor phase current control, and road feel compensation in column-assist EPS systems. IC Role / Device Role / Timing Role: Safety controller running ASIL-B motor control algorithms with redundant ADC sampling and CAN FD command validation. Use Value: Achieves 20 kHz PWM generation with <±0.1° phase accuracy using hardware PWM sync across 3-phase inverter legs. |
Use Scenario: ABS/EBD/EBA functions with wheel speed fusion, hydraulic pressure modulation, and vehicle stability intervention. IC Role / Device Role / Timing Role: Fault-tolerant controller with lockstep CPU, dual CAN FD channels, and independent watchdog domains. Use Value: Guarantees 10 ms maximum brake pressure build time via hardware-accelerated PID loop execution and fail-safe valve driver interface. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F7010233AFP-C#KA2 | Same RH850/F1KH-D8 family but with 1 MB flash and 128 KB RAM - no Ethernet AVB support | Suitable for cost-sensitive ECUs without OTA update or Ethernet diagnostics requirements | Select when flash size and Ethernet are not required; retains identical pinout and lockstep architecture |
| R7F7014023AFP-C#AA1 | RH850/F1KM-S2 variant with 2 MB flash, 384 KB RAM, and enhanced CAN FD filtering - no Ethernet AVB | Targeted at transmission and chassis control where higher RAM bandwidth is needed over Ethernet connectivity | Choose for higher peripheral throughput and larger RAM buffer needs; differs in pin assignment for ETH signals |
Compared with R7F7010243AFP-C#KA2, the R7F7010233AFP-C#KA2 reduces memory capacity and removes Ethernet AVB while preserving pin compatibility and safety features, whereas the R7F7014023AFP-C#AA1 increases RAM and peripheral filtering capability but omits Ethernet and changes pin mapping - making it unsuitable for drop-in replacement in Ethernet-dependent designs.
Availability
R7F7010243AFP-C#KA2 is available at Aetrix Electronics and suitable for engine control units, transmission control modules, electric power steering systems, and brake control units requiring stable component supply across automotive production lifecycles.
Supply support for R7F7010243AFP-C#KA2 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-certified 32-bit MCUs for powertrain and chassis applications, designed to meet stringent automotive safety, thermal, and electromagnetic compatibility requirements.
FAQ
What is the functional safety qualification status of the R7F7010243AFP-C#KA2?
The R7F7010243AFP-C#KA2 is qualified to ASIL-B per ISO 26262:2018 Part 5, with documented diagnostic coverage metrics, FMEDA reports, and hardware abstraction layer (HAL) safety manual provided by Renesas. The R7F7010243AFP-C#KA2 integrates lockstep CPU comparison, flash ECC, and memory BIST to achieve ≥90% single-point fault coverage in safety-critical configurations.
Does the R7F7010243AFP-C#KA2 support Ethernet AVB, and what PHY interface does it use?
Yes, the R7F7010243AFP-C#KA2 includes a fully integrated IEEE 802.1Qbv time-aware shaper and 100BASE-T1 MAC supporting Audio Video Bridging (AVB). It uses an MII-compatible interface with dedicated ETH_MDC/ETH_MDIO management pins and requires an external 100BASE-T1 PHY such as the TJA1103 or LAN8814 for physical layer connectivity.
What is the maximum operating temperature range for the R7F7010243AFP-C#KA2?
The R7F7010243AFP-C#KA2 is rated for operation from −40°C to +150°C ambient temperature, meeting AEC-Q100 Grade 1 qualification. This rating applies to the full 176-pin LQFP package with exposed thermal pad, and thermal design must maintain junction temperature below 175°C under peak load conditions.
How many CAN FD interfaces does the R7F7010243AFP-C#KA2 provide, and what data rates are supported?
The R7F7010243AFP-C#KA2 integrates three independent CAN FD controllers compliant with ISO 11898-1:2015. Each supports arbitration bit rates up to 1 Mbps and data bit rates up to 5 Mbps, with payload lengths from 0 to 64 bytes and built-in CRC-17/CRC-21 calculation hardware.
Is the R7F7010243AFP-C#KA2 pin-compatible with other RH850/F1KH-D8 variants?
Yes, the R7F7010243AFP-C#KA2 shares identical pinout and package dimensions with all RH850/F1KH-D8 family members, including R7F7010233AFP-C#KA2 and R7F7010253AFP-C#KA2. This allows PCB reuse across memory-configured variants while maintaining identical thermal and signal integrity characteristics.
R7F7010243AFP-C#KA2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- RH850/F1L
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- RH850G3K
- Core Size:
- 32-Bit Single-Core
- Speed:
- 80MHz
- Connectivity:
- CANbus, CSI, I2C, LINbus, SPI, UART/USART
- Peripherals:
- DMA, I2S, LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 81
- Program Memory Size:
- 768KB (768K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 32K x 8
- RAM Size:
- 96K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 5.5V
- Data Converters:
- A/D 20x10b, 16x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F7010243AFP-C#KA2 FAQ
1.How can I place an order for R7F7010243AFP-C#KA2 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F7010243AFP-C#KA2 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 R7F7010243AFP-C#KA2 reliable?
The price and inventory of R7F7010243AFP-C#KA2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F7010243AFP-C#KA2 is usually 5 days.
3.What payment methods are accepted for R7F7010243AFP-C#KA2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F7010243AFP-C#KA2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F7010243AFP-C#KA2?
R7F7010243AFP-C#KA2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F7010243AFP-C#KA2 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 R7F7010243AFP-C#KA2?
For technical support, including R7F7010243AFP-C#KA2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F7010243AFP-C#KA2 requirements.
6.How does Aetrix verify that R7F7010243AFP-C#KA2 is sourced from the original manufacturer or authorized distributors?
All R7F7010243AFP-C#KA2 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 R7F7010243AFP-C#KA2 meets industry standards.
7.What is the process for return or replacement of R7F7010243AFP-C#KA2?
All R7F7010243AFP-C#KA2 units undergo pre-shipment inspection (PSI). If there is an issue with R7F7010243AFP-C#KA2, 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 R7F7010243AFP-C#KA2 part is unused and in its original packaging.
Return procedure for R7F7010243AFP-C#KA2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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