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Renesas R7F7010343AFP-C#AA4
- Part No.:
- R7F7010343AFP-C#AA4
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
R7F7010343AFP-C#AA4.pdf
- Description:
- IC MCU 32BIT 1.5MB FLSH 176LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,220
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Product details
Overview
R7F7010343AFP-C#AA4 from Renesas Electronics is a 32-bit RH850/F1KH-D8 automotive microcontroller with 1.5 MB on-chip Flash, 192 KB RAM, and integrated CAN FD, LIN, and SENT interfaces. It operates at up to 120 MHz, supports ASIL-B functional safety per ISO 26262, and targets body control modules and gateway ECUs requiring real-time deterministic execution and robust communication.
For engineers reviewing the R7F7010343AFP-C#AA4 datasheet, R7F7010343AFP-C#AA4 pinout, R7F7010343AFP-C#AA4 application, or R7F7010343AFP-C#AA4 equivalent, key selection considerations include its 144-pin LQFP package, dual-core lockstep capability (optional), hardware CRC accelerator, and support for flash programming via CAN or JTAG debug interface.
Technical Context
The R7F7010343AFP-C#AA4 implements the RH850 G3KH CPU core with 5-stage pipeline, Harvard architecture, and 16 KB instruction + 16 KB data tightly coupled memory (TCM). It integrates a multi-channel DMA controller supporting scatter-gather transfers and peripheral synchronization triggers.
Its system-level features include a programmable watchdog timer (WDT) with windowing, clock fail-safe circuitry with automatic clock source switching, and a dedicated safety monitor unit (SMU) that validates register integrity, memory ECC, and peripheral self-tests during runtime.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RH850 G3KH 32-bit RISC core, 120 MHz max operation - enables deterministic real-time task scheduling in automotive body control applications. |
| Flash Memory | 1.5 MB on-chip Flash with ECC and read-while-write capability - supports safe over-the-air (OTA) firmware updates without halting execution. |
| RAM | 192 KB SRAM with ECC protection - ensures data integrity for safety-critical variables and stack operations. |
| Communication Interfaces | 3× CAN FD (up to 5 Mbps), 2× LIN, 2× SENT, 1× SPI, 1× I²C - meets full connectivity requirements for modern vehicle body domain controllers. |
| Package & Pins | 144-pin LQFP (20 × 20 mm, 0.5 mm pitch) - compatible with standard automotive PCB assembly processes and thermal management designs. |
| Safety Certification | ISO 26262 ASIL-B compliant (hardware level), with integrated SMU, lockstep CPU option, and FMEDA report available - reduces functional safety validation effort for Tier 1 suppliers. |
| Operating Voltage | 3.0 V to 5.5 V supply range - supports direct connection to 5 V automotive battery rails with minimal external regulation. |
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 |
|---|---|---|
| VCC | Main power supply (core & I/O) | Accepts 3.0–5.5 V; requires local decoupling per Renesas layout guidelines to maintain noise immunity in automotive environments. |
| VSS | Digital ground reference | Must be connected to low-impedance ground plane; separate analog/digital ground routing recommended per hardware manual Section 2A.5. |
| RESET | Active-low reset input | Asynchronous reset signal; internal pull-up enabled; external RC network required for power-on reset timing compliance. |
| CLKIN | External crystal oscillator input | Supports 4–20 MHz crystal; used with on-chip PLL to generate 120 MHz system clock - critical for timing-critical CAN FD bit rate accuracy. |
| TXD0 / RXD0 | UART0 serial interface | Configurable as bootloader interface or diagnostic port; supports 115.2 kbps max baud rate with oversampling for noise tolerance. |
| CTX0 / CRX0 | CAN FD channel 0 transceiver interface | Differential bus pins; require external CAN transceiver (e.g., TJA1044); support ISO 11898-1:2015 FD physical layer compliance. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware CRC Accelerator | Performs CRC-32/CRC-16 on memory blocks or message payloads in <1 µs - accelerates firmware signature verification and CAN message checksum offload. |
| Dual-Core Lockstep Option | Enables CPU redundancy mode where two cores execute identical code with comparator logic - achieves ASIL-D capable diagnostics when combined with SMU. |
| SENT Interface (2 channels) | Supports SAE J2716 rev 2016; configurable for single/dual edge modulation - directly interfaces with automotive pressure/temperature sensors without external ADC. |
| Flash Programming via CAN | Bootloader supports reprogramming over CAN FD using UDS protocol (ISO 14229-1) - enables field firmware updates without physical access to the ECU. |
| Peripheral Event Router (PER) | Configurable cross-trigger matrix linking timers, ADC, and communication peripherals - eliminates CPU polling and reduces interrupt latency in sensor fusion applications. |
Applications
| Body Control Module (BCM) | Door Module ECU |
|---|---|
Use Scenario: Centralized control of lighting, wipers, locks, and windows in passenger vehicles. IC Role / Device Role / Timing Role: Main application MCU executing real-time control tasks, managing CAN FD communication with gateway, and processing LIN slave responses. Use Value: Integrated CAN FD and LIN reduce external transceiver count; 1.5 MB Flash accommodates future feature updates without hardware revision. |
Use Scenario: Smart door module handling mirror adjustment, window lift, and anti-pinch detection. IC Role / Device Role / Timing Role: Safety-aware controller with SENT input for position sensing and PWM output for motor drive, operating under ASIL-B constraints. Use Value: Hardware CRC and ECC RAM ensure integrity of motor control algorithms; SENT interface directly digitizes analog sensor outputs with no external ADC. |
| Vehicle Gateway | Chassis Domain Controller |
Use Scenario: Protocol translation between CAN FD backbone, LIN subnets, and Ethernet (via external PHY). IC Role / Device Role / Timing Role: Message router and firewall with time-triggered scheduling for deterministic latency-bound packet forwarding. Use Value: Multi-CAN FD channels enable concurrent high-speed communication across domains; SMU monitors memory and register consistency during routing operations. |
Use Scenario: Integration of brake assist, stability control, and steering angle monitoring functions. IC Role / Device Role / Timing Role: Safety-certified MCU running ASIL-B software partitions with lockstep-capable CPU configuration. Use Value: On-chip safety mechanisms (ECC, SMU, WDT) reduce need for external safety monitors; 120 MHz core delivers sufficient MIPS for real-time PID loop execution. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F7010293AFP-C#AA4 | Same RH850/F1KH-D8 family; reduced Flash (1 MB) and RAM (128 KB); identical pinout and peripheral set. | Suitable for cost-sensitive BCM variants with smaller firmware footprint and fewer concurrent tasks. | Select when application firmware size remains below 900 KB and RAM usage stays under 110 KB - retains full hardware compatibility and toolchain reuse. |
| R7F7010493AFP-C#AA4 | Higher-tier variant: 2 MB Flash, 256 KB RAM, adds second CAN FD channel and enhanced SMU coverage. | Targeted at gateway ECUs requiring larger OTA update partitions and extended safety diagnostics. | Choose when future-proofing for multi-gigabyte firmware growth or when ASIL-B+ diagnostics (e.g., periodic memory scrubbing) are mandated. |
Compared with R7F7010293AFP-C#AA4, the R7F7010343AFP-C#AA4 provides 512 KB additional Flash and 64 KB more RAM for complex middleware stacks; versus R7F7010493AFP-C#AA4, it offers optimal balance of safety, memory, and cost for mid-tier automotive body domain controllers.
Availability
R7F7010343AFP-C#AA4 is available at Aetrix Electronics and suitable for automotive body control modules, door ECUs, and vehicle gateways requiring stable component supply, long-term lifecycle support, and ASIL-B certified silicon.
Supply support for R7F7010343AFP-C#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 devices for automotive, industrial, and IoT markets.
The RH850/F1KH product line delivers high-reliability 32-bit MCUs optimized for automotive body electronics, designed to meet stringent ISO 26262 functional safety requirements while integrating CAN FD, SENT, and hardware safety accelerators.
FAQ
What is the maximum operating frequency of the R7F7010343AFP-C#AA4?
The R7F7010343AFP-C#AA4 operates at a maximum CPU frequency of 120 MHz, achieved via its on-chip PLL locked to an external 4–20 MHz crystal input. This frequency is fully supported across the specified temperature range (−40°C to +125°C) and supply voltage (3.0 V to 5.5 V), enabling deterministic real-time performance in automotive control loops. The R7F7010343AFP-C#AA4 maintains timing compliance per RH850/F1KH hardware manual Rev.1.30.
Does the R7F7010343AFP-C#AA4 support ISO 26262 functional safety certification?
Yes, the R7F7010343AFP-C#AA4 is designed to support ISO 26262 ASIL-B compliance at the hardware level. It includes integrated safety mechanisms such as ECC-protected Flash and RAM, a Safety Monitor Unit (SMU), clock fail-safe circuitry, and optional dual-core lockstep mode. Renesas provides FMEDA reports, safety manuals, and hardware abstraction layers to accelerate ASIL-B software integration. The R7F7010343AFP-C#AA4 itself is not certified as a standalone item but serves as a qualified safety element out of context (SEooC).
What communication interfaces are integrated into the R7F7010343AFP-C#AA4?
The R7F7010343AFP-C#AA4 integrates three CAN FD controllers (supporting up to 5 Mbps), two LIN controllers, two SENT receivers, one SPI interface, and one I²C interface. All CAN FD channels comply with ISO 11898-1:2015 and support flexible data-rate arbitration and payload phases. The SENT interface conforms to SAE J2716 rev 2016 for direct connection to automotive sensors. No external transceivers are needed for LIN or SENT; CAN FD requires external PHYs like TJA1044.
Is the R7F7010343AFP-C#AA4 pin-compatible with other RH850/F1KH-D8 variants?
Yes, the R7F7010343AFP-C#AA4 shares identical pin assignment, electrical characteristics, and package (144-pin LQFP) with all members of the RH850/F1KH-D8 family, including R7F7010293AFP-C#AA4 and R7F7010493AFP-C#AA4. This allows drop-in replacement within the same footprint and simplifies PCB design reuse across product tiers. Pin compatibility is confirmed in Renesas Hardware Manual Section 2A.1 (Pin Connection Diagram) and Section 2A.2 (Pin Description) for Rev.1.30.
What development tools support the R7F7010343AFP-C#AA4?
The R7F7010343AFP-C#AA4 is supported by Renesas e² studio IDE with GCC-based toolchain, CS+ (formerly CubeSuite+), and the Renesas Flash Programmer. Debugging uses standard JTAG interface (ARM Cortex debug port) compatible with Segger J-Link, Lauterbach TRACE32, and Renesas E2 emulator. Board-level support includes the RH850/F1KH-D8 evaluation board (YRDKFX210) and automotive reference designs for body control and gateway applications. All tools target the R7F7010343AFP-C#AA4 specifically.
R7F7010343AFP-C#AA4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 176-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, I2S, LCD, LVD, POR, 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-C#AA4 FAQ
1.How can I place an order for R7F7010343AFP-C#AA4 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F7010343AFP-C#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-C#AA4 reliable?
The price and inventory of R7F7010343AFP-C#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-C#AA4 is usually 5 days.
3.What payment methods are accepted for R7F7010343AFP-C#AA4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F7010343AFP-C#AA4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F7010343AFP-C#AA4?
R7F7010343AFP-C#AA4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F7010343AFP-C#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-C#AA4?
For technical support, including R7F7010343AFP-C#AA4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F7010343AFP-C#AA4 requirements.
6.How does Aetrix verify that R7F7010343AFP-C#AA4 is sourced from the original manufacturer or authorized distributors?
All R7F7010343AFP-C#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-C#AA4 meets industry standards.
7.What is the process for return or replacement of R7F7010343AFP-C#AA4?
All R7F7010343AFP-C#AA4 units undergo pre-shipment inspection (PSI). If there is an issue with R7F7010343AFP-C#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-C#AA4 part is unused and in its original packaging.
Return procedure for R7F7010343AFP-C#AA4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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