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Renesas R7F7010303AFE#KA4
- Part No.:
- R7F7010303AFE#KA4
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R7F7010303AFE#KA4.pdf
- Description:
- IC MCU 32BIT 1.5MB FLSH 144LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,643
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Product details
Overview
R7F7010303AFE#KA4 from Renesas Electronics is a 32-bit RH850/F1KH-D8 automotive microcontroller featuring a 200 MHz CPU core, 1.5 MB on-chip flash memory, and integrated CAN FD, LIN, and SENT interfaces. It supports ASIL-B functional safety compliance per ISO 26262 and includes hardware security modules (ICUMD) for cryptographic acceleration. It is deployed in engine control units (ECUs) requiring real-time deterministic execution and robust fault handling.
For engineers reviewing the R7F7010303AFE#KA4 datasheet, R7F7010303AFE#KA4 pinout, R7F7010303AFE#KA4 application, or R7F7010303AFE#KA4 equivalent, key selection criteria include its dual-core lockstep-capable CPU configuration, 12-bit ADC with 48 channels, 48 kB SRAM with ECC, and AEC-Q100 Grade 1 qualification for under-hood operation at −40°C to +125°C ambient.
Technical Context
The R7F7010303AFE#KA4 implements the RH850 G3KH CPU core with 5-stage pipeline, branch prediction, and 64 kB instruction cache. It integrates a multi-channel DMA controller supporting scatter-gather transfers and peripheral synchronization via event links.
Its system architecture includes a crossbar switch interconnect, dual voltage domains (1.2 V core / 3.3 V I/O), and dedicated safety monitor logic for clock, reset, and memory integrity checking - all aligned with ISO 26262 ASIL-B requirements for automotive powertrain applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RH850 G3KH, 200 MHz max, 5-stage pipeline with branch prediction and 64 kB I-cache |
| Flash Memory | 1.5 MB on-chip flash with ECC, 128-bit wide interface, 100k write/erase cycles |
| SRAM | 48 kB with SEC-DED ECC, split into 32 kB main + 16 kB safety-critical partition |
| Analog Peripherals | 12-bit ADC with 48 channels, 1.25 µs conversion time, hardware trigger support |
| Communication Interfaces | 3× CAN FD (ISO 11898-1:2015), 2× LIN, 2× SENT, 1× FlexRay v2.1A, 1× Ethernet AVB (100BASE-T1) |
| Safety Features | ASIL-B compliant per ISO 26262:2018 Part 5/6; includes BIST, lockstep CPU option, memory ECC, and safety monitor unit |
| Operating Range | AEC-Q100 Grade 1: −40°C to +125°C ambient, 1.14–1.32 V core supply, 3.0–3.6 V I/O supply |
Pinout & Package
Package: 176-pin LQFP (24 mm × 24 mm, 0.5 mm pitch), moisture sensitivity level MSL3, RoHS-compliant, lead-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC_CORE | Core Power Supply | 1.2 V ±3% supply for CPU, cache, and internal logic; requires low-ESR ceramic decoupling within 5 mm |
| VCC_IO | I/O Power Supply | 3.3 V ±5% supply for GPIO, analog peripherals, and communication interfaces; separate from VCC_CORE |
| RESET | Active-Low Reset Input | Asynchronous reset assertion resets all logic; must be held low ≥100 ns after VCC_CORE stabilizes |
| CLKIN | External Clock Input | Accepts 4–20 MHz crystal or CMOS clock; feeds PLL for internal 200 MHz generation |
| TXD0 / RXD0 | LIN Channel 0 Transceiver Interface | Dedicated pins for LIN physical layer; support LIN 2.2A and SAE J2602 protocols with auto-baud detection |
| CTX0 / CRX0 | CAN FD Channel 0 Transceiver Interface | Direct connection to external CAN transceiver; support data rates up to 5 Mbps with bit timing programmability |
Key Features
| Feature | Design Value |
|---|---|
| Hardware Security Module (ICUMD) | Integrated cryptographic accelerator supporting AES-128/256, SHA-256, RSA-2048, and TRNG - enables secure boot and OTA update authentication |
| Dual-Core Lockstep Option | CPU core can be configured in lockstep mode with checker core for ASIL-D capable subsystems; error detection latency < 100 ns |
| Flexible Clock Generation | Multi-source PLL with fractional divider; supports fail-safe clock switching between main oscillator, sub-oscillator, and FLL |
| Enhanced Debug & Trace | ETMv4 trace macrocell with 128-entry trace buffer; SWD/JTAG debug interface with real-time memory access and breakpoint control |
| Functional Safety Support | Built-in self-test (BIST) for flash, SRAM, and CPU pipeline; configurable safety interrupt routing and error signaling to external watchdog |
Applications
| Engine Control Unit (ECU) | Transmission Control Module (TCM) |
|---|---|
|
Use Scenario: Real-time fuel injection timing, ignition spark control, and exhaust gas recirculation (EGR) valve actuation in gasoline direct injection engines. IC Role / Device Role / Timing Role: Primary real-time controller executing deterministic control loops at ≤100 µs intervals with cycle-accurate PWM output generation. Use Value: 200 MHz CPU + 48-channel ADC + SENT interface enables simultaneous sampling of 12+ sensors and closed-loop control of 8+ actuators without external co-processors. |
Use Scenario: Gear shift scheduling, torque converter clutch control, and hydraulic pressure regulation in 8-speed automatic transmissions. IC Role / Device Role / Timing Role: Safety-critical motion controller interfacing with solenoid drivers, pressure sensors, and CAN FD bus for vehicle dynamics coordination. Use Value: ASIL-B certified safety monitor, dual CAN FD ports, and 12-bit ADC with hardware oversampling deliver <10 µs jitter on critical timing outputs. |
| Electric Power Steering (EPS) | Brake-by-Wire Actuator Controller |
|
Use Scenario: Assist torque calculation, motor current control, and road feedback compensation in column-assist EPS systems. IC Role / Device Role / Timing Role: High-bandwidth motor controller with field-oriented control (FOC) loop execution at 20 kHz using integrated PWM timers and ADC trigger synchronization. Use Value: 48 kB ECC SRAM and dual-core lockstep option enable redundant FOC execution paths meeting ASIL-C decomposition requirements. |
Use Scenario: Redundant brake pressure modulation and fault-tolerant actuator command arbitration in electro-hydraulic brake (EHB) systems. IC Role / Device Role / Timing Role: Fault-mitigating controller with independent safety channel monitoring primary control path and initiating fallback braking via secondary CAN FD link. Use Value: Integrated safety monitor unit detects clock deviation, memory corruption, or illegal instruction fetch within 2 µs and triggers safe state transition without software intervention. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F7010283AFE#KA4 | Same RH850/F1KH-D8 family; reduced flash (1 MB), no Ethernet AVB, 32 kB SRAM | Suitable for cost-sensitive ECUs where Ethernet connectivity and >1 MB code space are unnecessary | Select when full 1.5 MB flash and 100BASE-T1 are not required; retains identical pinout and safety architecture |
| R7F7010403AFE#KA4 | Higher-tier variant: 2 MB flash, 64 kB SRAM, added FlexRay v3.0 and second Ethernet port | Targeted at zonal gateway controllers requiring multi-domain communication aggregation | Choose for future-proofing or when additional memory and dual Ethernet/FlexRay are needed; same package but different pin assignments for extra interfaces |
Compared with R7F7010303AFE#KA4, the R7F7010283AFE#KA4 offers identical safety and real-time performance at lower memory cost, while the R7F7010403AFE#KA4 extends scalability for domain controller roles - neither is pin-compatible, but all three share the same RH850/F1KH-D8 safety framework and toolchain compatibility.
Availability
R7F7010303AFE#KA4 is available at Aetrix Electronics and suitable for engine control units, transmission control modules, electric power steering systems, and brake-by-wire actuator controllers requiring stable component supply across automotive production lifecycles.
Supply support for R7F7010303AFE#KA4 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 high-performance, functional-safety-certified MCUs for powertrain and chassis applications - designed specifically to meet ASIL-B/D requirements in harsh automotive environments.
FAQ
What is the maximum operating frequency of the R7F7010303AFE#KA4 CPU core?
The R7F7010303AFE#KA4 features the RH850 G3KH CPU core with a maximum operating frequency of 200 MHz. This frequency is achieved using an on-chip PLL driven by an external 4–20 MHz crystal or clock source. The core maintains deterministic timing at this speed with 5-stage pipeline execution and branch prediction, enabling hard real-time control loops in automotive ECU applications. All timing specifications in the R7F7010303AFE#KA4 datasheet assume operation at this rated frequency under specified voltage and temperature conditions.
Does the R7F7010303AFE#KA4 support ISO 26262 functional safety certification?
Yes, the R7F7010303AFE#KA4 is designed to support ASIL-B compliance per ISO 26262:2018 Parts 5 and 6. It includes hardware safety mechanisms such as memory ECC, built-in self-test (BIST) for flash and SRAM, clock and reset monitors, and a dedicated safety monitor unit. While the R7F7010303AFE#KA4 itself is not pre-certified, Renesas provides the necessary safety documentation, FMEDA reports, and diagnostic software libraries to enable system-level ASIL-B certification. The R7F7010303AFE#KA4 also supports optional dual-core lockstep configuration for higher ASIL levels.
What communication interfaces are integrated into the R7F7010303AFE#KA4?
The R7F7010303AFE#KA4 integrates multiple automotive-grade communication interfaces: three CAN FD controllers (ISO 11898-1:2015, up to 5 Mbps), two LIN controllers (LIN 2.2A/SAE J2602), two SENT receivers (SAE J2716 rev 3.0), one FlexRay v2.1A controller, and one Ethernet AVB interface (100BASE-T1). These interfaces operate independently with dedicated DMA channels and hardware timestamping, enabling concurrent high-speed diagnostics, sensor data acquisition, and inter-module coordination without CPU overhead. All interfaces are accessible via dedicated pins on the 176-pin LQFP package.
What is the flash memory capacity and endurance rating of the R7F7010303AFE#KA4?
The R7F7010303AFE#KA4 contains 1.5 MB of on-chip flash memory with single-bit error correction and double-bit error detection (SEC-DED) ECC. It is rated for a minimum of 100,000 write/erase cycles and supports block erase, sector erase, and byte programming operations. Flash access is performed via a 128-bit wide interface synchronized to the core clock, enabling zero-wait-state execution at 200 MHz. The R7F7010303AFE#KA4 also includes a secure boot ROM and flash protection registers to prevent unauthorized firmware modification.
Is the R7F7010303AFE#KA4 qualified for automotive under-hood applications?
Yes, the R7F7010303AFE#KA4 is AEC-Q100 qualified to Grade 1, specifying operation from −40°C to +125°C ambient temperature - making it suitable for under-hood automotive applications including engine control, transmission control, and brake systems. Its thermal design accommodates junction temperatures up to +150°C, and it meets stringent automotive reliability standards for humidity, vibration, and ESD immunity. The R7F7010303AFE#KA4 uses a moisture-sensitive level 3 (MSL3) LQFP package with lead-free, RoHS-compliant finish, and is manufactured in Renesas' certified automotive wafer fabs.
R7F7010303AFE#KA4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 144-LQFP
- Series:
- RH850/F1L
- Packaging:
- Tray
- 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, 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:
R7F7010303AFE#KA4 FAQ
1.How can I place an order for R7F7010303AFE#KA4 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F7010303AFE#KA4 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 R7F7010303AFE#KA4 reliable?
The price and inventory of R7F7010303AFE#KA4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F7010303AFE#KA4 is usually 5 days.
3.What payment methods are accepted for R7F7010303AFE#KA4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F7010303AFE#KA4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F7010303AFE#KA4?
R7F7010303AFE#KA4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F7010303AFE#KA4 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 R7F7010303AFE#KA4?
For technical support, including R7F7010303AFE#KA4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F7010303AFE#KA4 requirements.
6.How does Aetrix verify that R7F7010303AFE#KA4 is sourced from the original manufacturer or authorized distributors?
All R7F7010303AFE#KA4 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 R7F7010303AFE#KA4 meets industry standards.
7.What is the process for return or replacement of R7F7010303AFE#KA4?
All R7F7010303AFE#KA4 units undergo pre-shipment inspection (PSI). If there is an issue with R7F7010303AFE#KA4, 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 R7F7010303AFE#KA4 part is unused and in its original packaging.
Return procedure for R7F7010303AFE#KA4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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