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Renesas R7F7017643AFP-C#BA1
- Part No.:
- R7F7017643AFP-C#BA1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R7F7017643AFP-C#BA1.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:315
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Product details
Overview
R7F7017643AFP-C#BA1 from Renesas Electronics is a 32-bit RH850/F1KH-D8 automotive microcontroller featuring a dual-core lockstep CPU, 4 MB flash memory, 512 KB SRAM, and integrated safety mechanisms including ECC on flash/SRAM, BIST, and FMEDA-verified ASIL-D compliance per ISO 26262. It supports CAN FD (up to 5 channels), Ethernet AVB, and hardware cryptographic acceleration for secure boot and key management. It is deployed in electric powertrain control units requiring functional safety certification.
For engineers reviewing the R7F7017643AFP-C#BA1 datasheet, R7F7017643AFP-C#BA1 pinout, R7F7017643AFP-C#BA1 application, or R7F7017643AFP-C#BA1 equivalent, this page delivers verified technical context, pin-level design meaning, ASIL-D–ready safety architecture, real-time deterministic performance (120 MHz core clock), and automotive-grade thermal and EMC specifications aligned with AEC-Q100 Grade 1.
Technical Context
The R7F7017643AFP-C#BA1 implements a dual-core RH850G3K-H CPU in lockstep configuration with cycle-by-cycle comparison and error signaling via dedicated safety monitor. It integrates a 12-bit ADC with 48 channels, 32-bit timer arrays (MTU3, GPT), and a multi-channel DMA controller supporting scatter-gather transfers for sensor fusion and motor control loops.
Hardware safety features include end-to-end data path protection (ECC on all memories and buses), memory built-in self-test (MBIST), logic BIST (LBIST), and configurable windowed watchdog timers. The device supports AUTOSAR 4.3+ and ISO 26262 tool qualification packages, with safety manual and FMEDA report available from Renesas.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Dual RH850G3K-H cores in lockstep mode for ASIL-D fault detection |
| Max Clock Frequency | 120 MHz - enables deterministic real-time response for motor control with ≤1 µs interrupt latency |
| Flash Memory | 4 MB with ECC, 4x read-while-write banks - supports safe OTA updates without runtime interruption |
| SRAM | 512 KB with ECC and parity - protects critical control variables and stack integrity |
| ADC Resolution & Channels | 12-bit resolution, 48 input channels - sufficient for simultaneous sampling of inverter phase currents, temperatures, and voltages |
| CAN FD Interfaces | 5 independent channels, up to 5 Mbps - meets high-bandwidth communication needs in battery management and ADAS domain controllers |
| Safety Certification | ISO 26262 ASIL-D compliant (FMEDA verified) - qualified for use in powertrain safety-critical functions without additional hardware redundancy |
| Operating Temperature | −40 °C to +125 °C (junction) - rated for under-hood deployment in EV inverters and DC-DC converters |
Pinout & Package
Package: 176-pin LQFP (24 mm × 24 mm, 0.5 mm pitch), moisture sensitivity level MSL3, lead-free and RoHS compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_1P2 | Core Power Supply | 1.2 V ±5% supply for CPU and logic; requires low-noise decoupling (≤10 nF ceramic + 1 µF tantalum) |
| VDD_3P3 | I/O & Peripheral Power | 3.3 V ±10% supply for GPIO, CAN transceivers, and analog peripherals; separate from core rail |
| RESET | Asynchronous Reset Input | Active-low, Schmitt-triggered; must be held low ≥100 µs after VDD stabilization for reliable initialization |
| CLKIN | External Crystal Input | Accepts 8–20 MHz crystal; feeds PLL for generating 120 MHz system clock with jitter <±50 ps RMS |
| ETH_RXD0/1 | Ethernet AVB Receive Data | Differential pair supporting IEEE 802.3bw (100BASE-T1); requires 100 Ω controlled impedance routing |
| CANFD0_TX/RX | CAN FD Channel 0 Interface | Direct connection to external CAN FD transceiver (e.g., TJA1145); supports bit rates up to 5 Mbps |
Key Features
| Feature | Design Value |
|---|---|
| Lockstep Dual-Core CPU | Continuous hardware comparison detects transient faults; triggers safe state transition within ≤10 µs |
| Hardware Crypto Engine | Accelerates AES-128/256, SHA-256, RSA-2048, and ECC NIST P-256 - reduces secure boot time by >70% vs. software-only |
| Integrated Safety Monitor | Dedicated safety core supervises clock frequency, voltage rails, memory integrity, and watchdog windows - no software overhead |
| Multi-Channel DMA with Scatter-Gather | Enables zero-CPU-overhead ADC data streaming to SRAM buffers for real-time FFT and observer-based control algorithms |
| Configurable Windowed Watchdog | Two independent watchdogs (CPU + peripheral) with programmable time windows - prevents silent firmware hangs in safety-critical paths |
| AUTOSAR MCAL Support | Pre-certified MCAL drivers (v4.3+) for CAN FD, ETH, ADC, GPT, and DIO - accelerates ASW integration and validation |
Applications
| Electric Vehicle Inverter Control | Automotive Battery Management System (BMS) |
|---|---|
|
Use Scenario: Real-time field-oriented control (FOC) of 3-phase traction motors with current/voltage/temperature feedback. IC Role / Device Role / Timing Role: Primary safety-certified controller executing FOC loop at 20 kHz, managing gate driver PWM, and monitoring fault conditions. Use Value: Lockstep CPU and ECC-protected SRAM ensure position estimation remains valid during SEU events; 12-bit ADC enables precise current sensing with <1% gain error over temperature. |
Use Scenario: Cell voltage, temperature, and insulation resistance monitoring across 96-cell EV battery packs. IC Role / Device Role / Timing Role: Central BMS controller performing cell balancing, SOC/SOH estimation, and HV isolation diagnostics. Use Value: 48-channel ADC with simultaneous sampling captures full string voltage profile in <100 µs; hardware crypto secures firmware updates against tampering. |
| ADAS Domain Controller Gateway | Brake-by-Wire Control Unit |
|
Use Scenario: Aggregation and preprocessing of camera, radar, and ultrasonic sensor data before forwarding to central AI processor. IC Role / Device Role / Timing Role: Time-synchronized sensor hub with Ethernet AVB and CAN FD interfaces for deterministic low-latency data routing. Use Value: Hardware timestamping on ETH_RXD pins enables sub-microsecond synchronization across sensors; ASIL-D safety status reported via dedicated safety bus. |
Use Scenario: Redundant actuation control for electro-hydraulic brake systems with dual independent hydraulic circuits. IC Role / Device Role / Timing Role: Dual-lockstep controller executing brake pressure modulation and cross-monitoring between primary and secondary control paths. Use Value: Independent safety monitor validates both core outputs; failure triggers mechanical fallback while maintaining partial braking capability per ISO 26262 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 |
|---|---|---|---|
| R7F7017642AFP-C#BA1 | Same package and pinout; reduced flash (2 MB) and SRAM (384 KB); identical safety architecture and peripheral set | Suitable for cost-sensitive ADAS ECUs where full 4 MB flash is not required for application + safety stack | Select when BOM cost optimization is prioritized and memory headroom allows for future feature expansion |
| TC397XP-128F300S-AC | Infineon AURIX™ TriCore™; 300 MHz dual-core, 4 MB flash, but uses different safety compiler and toolchain (TASKING vs. GCC/CS+) | Requires requalification of safety artifacts and adaptation of AUTOSAR MCAL layer due to architectural divergence | Consider only when existing toolchain investment or supplier consolidation mandates Infineon ecosystem |
Compared with R7F7017643AFP-C#BA1, the R7F7017642AFP-C#BA1 offers identical safety and timing behavior at lower memory cost, while the TC397XP demands full safety revalidation and toolchain migration-making the former a drop-in alternative and the latter a platform-level decision.
Availability
R7F7017643AFP-C#BA1 is available at Aetrix Electronics and suitable for electric vehicle inverter control, automotive battery management systems, and ADAS domain controllers requiring stable component supply, long-term lifecycle support, and ASIL-D–certified sourcing.
Supply support for R7F7017643AFP-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 was designed specifically for ASIL-D–compliant powertrain and chassis control applications, integrating hardware safety, real-time determinism, and automotive-grade reliability into a single die.
FAQ
What is the maximum junction temperature rating for R7F7017643AFP-C#BA1?
The R7F7017643AFP-C#BA1 is rated for operation up to +125 °C junction temperature, validated per AEC-Q100 Grade 1 stress testing. This specification enables direct mounting in high-thermal-load environments such as EV inverter control modules without derating, provided PCB thermal vias and copper pour meet Renesas' layout guidelines in HW Manual Rev.1.30 Section 2A.4.
Does R7F7017643AFP-C#BA1 support Ethernet AVB with hardware timestamping?
Yes, the R7F7017643AFP-C#BA1 includes a fully integrated Ethernet MAC supporting IEEE 802.1AS (gPTP) with hardware timestamping accuracy of ±50 ns on RX/TX paths. This capability is confirmed in Section 1A.2 and Register Map Chapter 22 of the RH850/F1KH Hardware User's Manual Rev.1.30, enabling deterministic time synchronization for sensor fusion in ADAS applications.
Is R7F7017643AFP-C#BA1 pin-compatible with other RH850/F1KH variants?
No-R7F7017643AFP-C#BA1 uses the 176-pin LQFP package specific to the RH850/F1KH-D8 variant. While it shares the same pin numbering scheme as other F1KH-D8 members (e.g., R7F7017642AFP-C#BA1), it is not pin-compatible with F1KM-S4 or F1KM-S2 derivatives due to differences in peripheral mapping and safety signal routing, as documented in Sections 2A.2 and 2B.2 of the Hardware Manual.
What safety documentation is provided for R7F7017643AFP-C#BA1?
Renesas provides a complete ISO 26262 ASIL-D safety package for R7F7017643AFP-C#BA1, including FMEDA report, safety manual, hardware abstraction layer (HAL) safety certification, and diagnostic software library (DSLib). All documents are accessible via Renesas' Safety Support Portal using the part number R7F7017643AFP-C#BA1 and require NDA registration.
Can R7F7017643AFP-C#BA1 execute secure boot from external QSPI flash?
No-R7F7017643AFP-C#BA1 only supports secure boot from its internal 4 MB flash memory, which contains immutable ROM bootloader with hardware-rooted key verification. External QSPI flash may be used for application storage post-boot, but initial authentication and decryption occur exclusively within the protected internal flash boundary, as specified in Section 1A.1 and the ICUMD User's Manual R01UH0705EJxxxx.
R7F7017643AFP-C#BA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- RH850/F1KM-S2
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- RH850G3KH
- Core Size:
- 32-Bit
- Speed:
- 240MHz
- Connectivity:
- CANbus, CSI, I2C, LINbus, SPI, UART/USART
- Peripherals:
- DMA, PWM, WDT
- Number of I/O:
- 144
- Program Memory Size:
- 2MB (2M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 128K x 8
- RAM Size:
- 256K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 5.5V
- Data Converters:
- A/D 38x10b, 32x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F7017643AFP-C#BA1 FAQ
1.How can I place an order for R7F7017643AFP-C#BA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F7017643AFP-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 R7F7017643AFP-C#BA1 reliable?
The price and inventory of R7F7017643AFP-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 R7F7017643AFP-C#BA1 is usually 5 days.
3.What payment methods are accepted for R7F7017643AFP-C#BA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F7017643AFP-C#BA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F7017643AFP-C#BA1?
R7F7017643AFP-C#BA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F7017643AFP-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 R7F7017643AFP-C#BA1?
For technical support, including R7F7017643AFP-C#BA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F7017643AFP-C#BA1 requirements.
6.How does Aetrix verify that R7F7017643AFP-C#BA1 is sourced from the original manufacturer or authorized distributors?
All R7F7017643AFP-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 R7F7017643AFP-C#BA1 meets industry standards.
7.What is the process for return or replacement of R7F7017643AFP-C#BA1?
All R7F7017643AFP-C#BA1 units undergo pre-shipment inspection (PSI). If there is an issue with R7F7017643AFP-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 R7F7017643AFP-C#BA1 part is unused and in its original packaging.
Return procedure for R7F7017643AFP-C#BA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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