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Renesas R7F7016843AFP-C#BA1
- Part No.:
- R7F7016843AFP-C#BA1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R7F7016843AFP-C#BA1.pdf
- Description:
- IC MCU 32BIT 3MB FLASH 100LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,048
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Product details
Overview
R7F7016843AFP-C#BA1 from Renesas Electronics is a 32-bit RH850/F1KH-D8 automotive microcontroller featuring dual-core lockstep CPU architecture, 4 MB on-chip flash memory, and ASIL-B compliance per ISO 26262 for safety-critical powertrain and chassis control applications. It integrates CAN FD (up to 5 channels), LIN, SENT, and hardware-based cryptographic acceleration.
For engineers reviewing the R7F7016843AFP-C#BA1 datasheet, R7F7016843AFP-C#BA1 pinout, R7F7016843AFP-C#BA1 application, or R7F7016843AFP-C#BA1 equivalent, key selection criteria include ASIL-B functional safety certification, dual-core lockstep execution integrity, integrated CAN FD transceivers with wake-up capability, flash memory ECC protection, and support for AUTOSAR 4.x and MCAL drivers.
Technical Context
This MCU implements a dual-core RH850 G3KH CPU executing in lockstep mode with hardware comparator monitoring for real-time fault detection. It includes a dedicated Safety Support Unit (SSU) with independent watchdog timers, memory BIST, and error-correcting code (ECC) for both flash and SRAM.
The device supports up to 5 CAN FD interfaces compliant with ISO 11898-1:2015, each with programmable bit rates up to 5 Mbps, built-in loopback test mode, and bus-off recovery without CPU intervention. Its 4 MB embedded flash features 128-bit wide access, 128 KB of RAM with parity/ECC, and secure boot via ROM-based bootloader with SHA-256 signature verification.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Dual RH850 G3KH cores in lockstep configuration for ASIL-B fault detection |
| Flash Memory | 4 MB on-chip flash with ECC, 128-bit bus width, and 100k write/erase cycles |
| RAM | 128 KB SRAM with ECC and parity protection across all banks |
| CAN FD Interfaces | 5 independent channels supporting data rates up to 5 Mbps and ISO 11898-1:2015 |
| Safety Certification | ISO 26262 ASIL-B compliant with integrated Safety Support Unit (SSU) |
| Cryptographic Acceleration | Hardware AES-128/192/256, SHA-256, and RSA-2048 engine with key management |
| Operating Voltage | 3.0 V to 5.5 V supply range compatible with automotive battery systems |
| Temperature Range | -40°C to +125°C ambient operating range for under-hood deployment |
Pinout & Package
Package: 176-pin LQFP (24 mm × 24 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Main power supply | 3.0–5.5 V core and I/O supply; requires local decoupling per Renesas layout guidelines |
| VSS | GND reference | Dedicated analog/digital ground pins with separate routing recommended for noise immunity |
| RESET | Active-low reset input | Asynchronous external reset with internal pull-up; initiates full system reset including lockstep monitor |
| CLKIN | External clock input | Accepts 4–20 MHz crystal or CMOS clock source for main PLL reference |
| CAN0_TX / CAN0_RX | CAN FD channel 0 differential pair | Direct connection to external CAN transceiver; supports wake-up from stop mode |
| SENT0 / SENT1 | Sent protocol inputs | Dedicated SENT receivers for sensor signal acquisition with timestamp resolution ≤1 µs |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core lockstep execution | Real-time comparison of instruction outputs between two identical cores to detect transient faults |
| Integrated Safety Support Unit (SSU) | Independent watchdog timers, memory BIST, and lockstep monitor with configurable timeout and error reporting |
| Hardware cryptographic engine | Accelerates AES, SHA-256, and RSA operations without CPU load; supports secure key storage in OTP |
| Flash ECC and SRAM parity | Single-bit error correction and double-bit error detection in flash; parity checking in all SRAM banks |
| CAN FD with auto-bus-off recovery | Self-contained bus-off state handling without firmware intervention; reduces software overhead in fault conditions |
| AUTOSAR MCAL compatibility | Pre-certified MCAL drivers available for CAN, LIN, ADC, DIO, and GPT modules per AUTOSAR 4.3 standard |
Applications
| Engine Control Unit (ECU) | Electric Power Steering (EPS) |
|---|---|
Use Scenario: Real-time combustion timing, fuel injection, and knock control in gasoline and diesel engines. IC Role / Device Role / Timing Role: Primary ASIL-B controller managing closed-loop feedback from crank/cam sensors, oxygen sensors, and injectors. Use Value: Dual-core lockstep ensures deterministic response within 100 µs deadline; CAN FD enables high-bandwidth actuator diagnostics and calibration updates. |
Use Scenario: Torque assist calculation, motor position control, and fault-tolerant steering angle monitoring. IC Role / Device Role / Timing Role: Safety-critical host controller interfacing with torque sensor, motor encoder, and EPS motor driver ICs. Use Value: Integrated SENT receivers acquire high-resolution sensor data; SSU monitors motor control loop integrity at 10 kHz sampling rate. |
| Brake-by-Wire System | Advanced Driver Assistance (ADAS) Domain Controller |
Use Scenario: Redundant hydraulic pressure modulation and fail-operational braking logic. IC Role / Device Role / Timing Role: Secondary ASIL-B controller performing cross-check against primary ECU and managing brake valve drivers. Use Value: ECC-protected flash stores redundant brake maps; CAN FD synchronizes pressure commands with <5 µs jitter across dual channels. |
Use Scenario: Sensor fusion preprocessing for radar and camera inputs before forwarding to central ADAS processor. IC Role / Device Role / Timing Role: Real-time preprocessor offloading time-critical tasks like object tracking and lane detection filtering. Use Value: Hardware crypto engine secures OTA firmware updates; 5 CAN FD ports aggregate data from multiple radar modules simultaneously. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F7016823AFP-C#BA1 | Same RH850/F1KH-D8 family but with 2 MB flash and no hardware crypto engine | Suitable for cost-sensitive ASIL-B applications where secure boot and OTA encryption are not required | Select when flash capacity and cryptographic acceleration are non-critical; retains same pinout and peripheral set |
| TC377TP-64F200N-DC | Infineon AURIX TC3xx tri-core architecture with 200 MHz clock, 4 MB flash, and ASIL-D support | Higher safety integrity level (ASIL-D) and higher compute throughput for domain controllers requiring multi-threaded real-time OS | Choose for ASIL-D systems or when >200 MHz deterministic performance is mandatory; different pinout and toolchain |
Compared with R7F7016843AFP-C#BA1, the R7F7016823AFP-C#BA1 offers reduced memory and security features at lower cost for simpler powertrain nodes, while the TC377TP provides higher safety grade and performance at the expense of ecosystem compatibility and board redesign.
Availability
R7F7016843AFP-C#BA1 is available at Aetrix Electronics and suitable for engine control units, electric power steering systems, and brake-by-wire modules requiring stable component supply, long-term automotive lifecycle support, and ASIL-B certified silicon.
Supply support for R7F7016843AFP-C#BA1 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-integrity 32-bit MCUs designed specifically for ASIL-B automotive powertrain and chassis control, emphasizing functional safety, real-time determinism, and robustness in harsh environments.
FAQ
What safety certifications does the R7F7016843AFP-C#BA1 hold?
The R7F7016843AFP-C#BA1 is certified to ISO 26262 ASIL-B for functional safety, with documentation including FMEDA reports, safety manuals, and diagnostic coverage analysis. It incorporates a dedicated Safety Support Unit (SSU), lockstep CPU monitoring, and ECC-protected memories - all validated per ISO 26262 Part 5 requirements. The R7F7016843AFP-C#BA1 also meets AEC-Q100 Grade 1 reliability standards for automotive operation.
Does the R7F7016843AFP-C#BA1 support AUTOSAR-compliant software stacks?
Yes, the R7F7016843AFP-C#BA1 supports AUTOSAR 4.3-compliant MCAL drivers provided by Renesas and third-party vendors. These include fully qualified modules for CAN FD, LIN, ADC, DIO, GPT, and ICU, with integration support for popular RTOS platforms like EB tresos and Vector DaVinci. The R7F7016843AFP-C#BA1's memory map and interrupt vector table align with AUTOSAR BSW requirements.
What is the maximum CAN FD data rate supported by the R7F7016843AFP-C#BA1?
The R7F7016843AFP-C#BA1 supports CAN FD data rates up to 5 Mbps on all five integrated CAN FD controllers, compliant with ISO 11898-1:2015. Each channel includes programmable bit timing, automatic retransmission, and bus-off recovery without CPU involvement. The R7F7016843AFP-C#BA1 also provides dedicated message RAM with hardware acceptance filtering to minimize latency in high-throughput scenarios.
How is flash memory protected against corruption in the R7F7016843AFP-C#BA1?
The R7F7016843AFP-C#BA1 employs 128-bit-wide flash with on-the-fly ECC (SEC-DED) for all read/write operations, detecting and correcting single-bit errors while flagging double-bit errors. Flash programming is secured via a ROM-based bootloader that validates SHA-256 signatures before execution. The R7F7016843AFP-C#BA1 also includes write-protection registers and sector lock bits to prevent accidental overwrites during runtime.
What development tools are officially supported for the R7F7016843AFP-C#BA1?
Renesas provides official support for the R7F7016843AFP-C#BA1 through the e2 studio IDE with GCC and RH850 compiler toolchains, CS+ for CC, and the Renesas Flash Programmer. Hardware debugging uses the E2 emulator Lite or E2 emulator Pro. The R7F7016843AFP-C#BA1 is also supported in the Renesas Automotive Development Platform (RADP) with pre-integrated MCAL and safety libraries.
R7F7016843AFP-C#BA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- RH850/F1KM-S1
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- RH850G3KH
- Core Size:
- 32-Bit Single-Core
- Speed:
- 120MHz
- Connectivity:
- CANbus, CSI, I2C, LINbus, SPI, UART/USART
- Peripherals:
- DMA, PWM, WDT
- Number of I/O:
- 81
- Program Memory Size:
- 3MB (3M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 128K 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:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F7016843AFP-C#BA1 FAQ
1.How can I place an order for R7F7016843AFP-C#BA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F7016843AFP-C#BA1 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 R7F7016843AFP-C#BA1 reliable?
The price and inventory of R7F7016843AFP-C#BA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F7016843AFP-C#BA1 is usually 5 days.
3.What payment methods are accepted for R7F7016843AFP-C#BA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F7016843AFP-C#BA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F7016843AFP-C#BA1?
R7F7016843AFP-C#BA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F7016843AFP-C#BA1 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 R7F7016843AFP-C#BA1?
For technical support, including R7F7016843AFP-C#BA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F7016843AFP-C#BA1 requirements.
6.How does Aetrix verify that R7F7016843AFP-C#BA1 is sourced from the original manufacturer or authorized distributors?
All R7F7016843AFP-C#BA1 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 R7F7016843AFP-C#BA1 meets industry standards.
7.What is the process for return or replacement of R7F7016843AFP-C#BA1?
All R7F7016843AFP-C#BA1 units undergo pre-shipment inspection (PSI). If there is an issue with R7F7016843AFP-C#BA1, 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 R7F7016843AFP-C#BA1 part is unused and in its original packaging.
Return procedure for R7F7016843AFP-C#BA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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