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Renesas R7F7010343AFP#AA4
- Part No.:
- R7F7010343AFP#AA4
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
R7F7010343AFP#AA4.pdf
- Description:
- IC MCU 32BIT 1.5MB FLSH 176LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,471
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Product details
Overview
R7F7010343AFP#AA4 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 safety mechanisms including ECC for flash and RAM, BIST, and FMEDA-verified diagnostics. It operates at up to 160 MHz, supports ASIL-D compliance per ISO 26262, and targets engine control units (ECUs) requiring functional safety certification.
For engineers reviewing the R7F7010343AFP#AA4 datasheet, R7F7010343AFP#AA4 pinout, R7F7010343AFP#AA4 application, or R7F7010343AFP#AA4 equivalent, key selection criteria include ASIL-D diagnostic coverage, dual-core lockstep execution integrity, flash ECC implementation, real-time interrupt latency under 50 ns, and support for CAN FD and SENT interfaces in automotive powertrain systems.
Technical Context
The R7F7010343AFP#AA4 implements a dual-core RH850 G3KH CPU with hardware-enforced lockstep operation, where both cores execute identical instructions and compare results cycle-by-cycle. It integrates a dedicated Safety Support Core (SSC) that monitors CPU, memory, and peripheral health via periodic BIST, memory scrubbing, and watchdog supervision.
Its peripheral set includes 4x CAN FD controllers with time-triggered communication support, 2x SENT receivers for sensor interface, 16-bit ADC with 24 channels and ±1 LSB INL, and a flexible timer array (GPTA) supporting PWM generation with dead-time insertion and fault protection-enabling precise actuator control in closed-loop engine management.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Dual RH850 G3KH cores in lockstep mode for ASIL-D fault detection |
| Max Clock Frequency | 160 MHz - enables sub-100 ns interrupt response for real-time combustion timing control |
| Flash Memory | 1.5 MB with ECC, 128-bit wide bus - supports safe over-the-air (OTA) firmware updates with rollback protection |
| RAM | 256 KB SRAM with ECC and parity - ensures data integrity for critical control variables and calibration tables |
| ADC Resolution | 16-bit with 24 input channels - provides high-fidelity air/fuel ratio and knock sensing without external signal conditioning |
| Functional Safety | ISO 26262 ASIL-D certified (FMEDA report available); includes BIST, memory scrubbing, and SSC-managed diagnostics |
| Communication Interfaces | 4× CAN FD (up to 5 Mbps), 2× SENT Rx, 1× LIN, 1× FlexRay v2.1 - meets full powertrain networking requirements |
Pinout & Package
Package: 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch), moisture sensitivity level (MSL) 3, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_MAIN | Main power supply (3.3 V) | Supplies core logic and most peripherals; requires low-noise decoupling for ADC and PLL stability |
| VDD_IO | I/O power supply (3.3 V) | Independent rail allows mixed-voltage I/O compatibility and noise isolation from digital switching |
| RESET | Active-low reset input | Asynchronous reset assertion halts all clocks and clears internal state; monitored by SSC for fail-safe recovery |
| CLKIN | External crystal oscillator input | Accepts 8–20 MHz crystal; feeds PLL for precise 160 MHz system clock with jitter < 50 ps RMS |
| CAN0_TX / CAN0_RX | CAN FD channel 0 differential pair | Integrated transceiver drivers support 5 Mbps bit rate; configurable loopback for self-test during startup |
| AD00–AD23 | Analog input channels | 24 single-ended or 12 differential inputs; share common reference (VREFH/VREFL) for ratiometric sensor accuracy |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core lockstep execution | Hardware-synchronized instruction execution with cycle-accurate result comparison eliminates undetected transient faults |
| Integrated Safety Support Core (SSC) | Independent RISC-based monitor executing diagnostics without CPU intervention; reduces software safety overhead by >40% |
| Flash & RAM ECC + scrubbing | Single-bit error correction and double-bit error detection with automatic background memory repair during idle cycles |
| Time-triggered CAN FD | Hardware timestamping and schedule-based transmission enable deterministic network behavior for synchronized ECU coordination |
| Sentinel-mode ADC sampling | Triggered by GPTA or SENT edge events; captures sensor data within 200 ns of physical event for combustion timing fidelity |
Applications
| Gasoline Engine Control Unit | Diesel Common Rail Controller |
|---|---|
|
Use Scenario: Real-time fuel injection timing, air/fuel ratio control, and knock suppression in turbocharged direct-injection engines. IC Role / Device Role / Timing Role: Primary safety-critical controller executing ISO 26262 ASIL-D software with dual-core lockstep verification and hardware BIST. Use Value: Enables sub-millisecond combustion event response using SENT-synchronized ADC sampling and GPTA-driven injector PWM with hardware fault shutdown. |
Use Scenario: High-precision rail pressure regulation, multiple injection events per cycle, and exhaust gas recirculation (EGR) valve control in heavy-duty diesel platforms. IC Role / Device Role / Timing Role: Central deterministic controller managing 4x CAN FD buses for actuator feedback, sensor fusion, and diagnostic reporting across distributed subsystems. Use Value: Delivers 50 ns interrupt latency and hardware time-triggered scheduling to meet <1 µs timing jitter requirements for multi-pulse injection sequences. |
| Transmission Control Module | Electric Power Steering (EPS) ECU |
|
Use Scenario: Clutch engagement timing, gear shift optimization, and torque converter lock-up control in 8-speed automatic transmissions. IC Role / Device Role / Timing Role: Functional safety controller implementing ASIL-D torque path monitoring with redundant sensor processing and fail-operational actuator drivers. Use Value: Integrates 16-bit ADC with hardware oversampling and CRC-protected CAN FD messaging to ensure <±0.5% torque accuracy under EMI stress. |
Use Scenario: Motor current control, assist torque calculation, and steering angle/hand-torque fusion in steer-by-wire capable EPS systems. IC Role / Device Role / Timing Role: Dual-lockstep MCU performing real-time motor FOC (field-oriented control) with hardware-accelerated Park/Clarke transforms and safety-checked torque arbitration. Use Value: Achieves <10 µs current loop update via GPTA-triggered ADC sampling and DMA-fed PWM generation, meeting ISO 26262 ASIL-C/D hybrid architecture requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F7010293AFP#AA4 | Same RH850/F1KH-D8 family; reduced flash (1 MB) and RAM (192 KB); no SENT interface | Suitable for cost-optimized ASIL-B engine sensors or body control modules without high-speed analog capture | Select when full ASIL-D diagnostics and SENT-based knock sensing are not required |
| TC377TP-64F200N-DC | Infineon AURIX™ TC3xx tri-core architecture; 200 MHz max clock; different safety compiler toolchain and debug interface | Used in chassis domain controllers with higher floating-point throughput but less integrated flash ECC granularity | Choose for projects already standardized on AURIX ecosystem or requiring HSM-based secure boot |
Compared with R7F7010343AFP#AA4, the R7F7010293AFP#AA4 offers lower memory and peripheral count for non-powertrain roles, while the TC377TP demands different safety qualification workflows and lacks native SENT support-making R7F7010343AFP#AA4 optimal for ASIL-D gasoline/diesel ECU designs requiring tight integration of timing, analog, and safety functions.
Availability
R7F7010343AFP#AA4 is available at Aetrix Electronics and suitable for automotive powertrain ECUs, transmission control modules, and electric power steering systems requiring stable component supply, long-term lifecycle assurance, and ASIL-D functional safety certification.
Supply support for R7F7010343AFP#AA4 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 solutions for automotive, industrial, and IoT markets.
The RH850/F1KH product line delivers high-integrity 32-bit MCUs designed specifically for ASIL-D automotive powertrain and chassis applications, emphasizing hardware-based safety, real-time determinism, and robust electromagnetic immunity.
FAQ
What is the maximum operating temperature range for the R7F7010343AFP#AA4?
The R7F7010343AFP#AA4 is rated for −40 °C to +125 °C ambient temperature operation, qualified per AEC-Q100 Grade 1 standards. This range supports placement in engine compartments and transmission housings where thermal cycling and sustained high temperatures occur. The device includes on-die temperature sensors and thermal shutdown circuitry that triggers at 150 °C junction temperature to protect against irreversible damage. All timing parameters and safety diagnostics remain valid across this full range.
Does the R7F7010343AFP#AA4 support JTAG debugging in production environments?
Yes, the R7F7010343AFP#AA4 supports IEEE 1149.1 JTAG debugging through dedicated pins (TCK, TMS, TDI, TDO, TRST#), with boundary-scan capability and full CPU register visibility. However, in production firmware, JTAG access can be permanently disabled via fuse programming to prevent unauthorized code extraction. Debug authentication uses a 128-bit challenge-response protocol tied to the device's unique ID, ensuring secure development and field service access only for authorized tools.
How does the R7F7010343AFP#AA4 implement flash memory safety for OTA updates?
The R7F7010343AFP#AA4 implements flash safety for OTA updates using a three-region scheme: active bank, standby bank, and swap sector. Each write operation is protected by ECC, and the bootloader validates SHA-256 checksums and digital signatures before copying. Rollback protection prevents downgrade attacks by enforcing monotonically increasing version numbers stored in write-protected registers. The SSC verifies flash integrity during every boot sequence and triggers safe state entry if corruption is detected.
What ADC features make the R7F7010343AFP#AA4 suitable for knock detection?
The R7F7010343AFP#AA4 supports knock detection via its 16-bit ADC with 24 channels, programmable gain amplifier (PGA) stages, and hardware-triggered sampling synchronized to crankshaft position signals. It includes built-in digital filtering (FIR with 64-tap coefficients) and real-time FFT acceleration for frequency-domain analysis of combustion noise. Sampling starts within 200 ns of a SENT or GPTA edge, enabling precise windowing around expected knock events without CPU intervention.
Is the R7F7010343AFP#AA4 pin-compatible with other RH850/F1KH variants?
No, the R7F7010343AFP#AA4 is not pin-compatible with other RH850/F1KH variants such as R7F7010293AFP#AA4 or R7F7010403AFP#AA4. While all use the same 144-pin LQFP package, pin assignments differ significantly-for example, SENT receiver inputs and CAN FD transceiver pins are relocated across variants to accommodate differing peripheral sets. PCB layout must be verified against the specific R7F7010343AFP#AA4 pin description table in the Hardware User's Manual Rev.1.30.
R7F7010343AFP#AA4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 176-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:
- 150
- 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 28x10b, 32x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F7010343AFP#AA4 FAQ
1.How can I place an order for R7F7010343AFP#AA4 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F7010343AFP#AA4 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 R7F7010343AFP#AA4 reliable?
The price and inventory of R7F7010343AFP#AA4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F7010343AFP#AA4 is usually 5 days.
3.What payment methods are accepted for R7F7010343AFP#AA4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F7010343AFP#AA4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F7010343AFP#AA4?
R7F7010343AFP#AA4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F7010343AFP#AA4 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 R7F7010343AFP#AA4?
For technical support, including R7F7010343AFP#AA4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F7010343AFP#AA4 requirements.
6.How does Aetrix verify that R7F7010343AFP#AA4 is sourced from the original manufacturer or authorized distributors?
All R7F7010343AFP#AA4 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 R7F7010343AFP#AA4 meets industry standards.
7.What is the process for return or replacement of R7F7010343AFP#AA4?
All R7F7010343AFP#AA4 units undergo pre-shipment inspection (PSI). If there is an issue with R7F7010343AFP#AA4, 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 R7F7010343AFP#AA4 part is unused and in its original packaging.
Return procedure for R7F7010343AFP#AA4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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