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Renesas R7F7016844AFP-C#BA1
- Part No.:
- R7F7016844AFP-C#BA1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R7F7016844AFP-C#BA1.pdf
- Description:
- IC MCU 32BIT 3MB FLASH 100LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,928
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Product details
Overview
R7F7016844AFP-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, FlexRay, and hardware cryptographic acceleration.
For engineers reviewing the R7F7016844AFP-C#BA1 datasheet, R7F7016844AFP-C#BA1 pinout, R7F7016844AFP-C#BA1 application, or R7F7016844AFP-C#BA1 equivalent, key selection criteria include dual-core fault detection latency, flash ECC coverage, CAN FD data-rate support up to 5 Mbps, and qualification per AEC-Q100 Grade 1 (−40°C to +125°C).
Technical Context
The R7F7016844AFP-C#BA1 implements a dual-core RH850G3K-H CPU with lockstep execution and hardware-based comparison logic to detect transient faults in real time. It includes dedicated safety mechanisms: CPU self-test (BIST), memory built-in self-test (MBIST), and end-to-end data path protection with CRC for DMA transfers.
Its peripheral set is architected for automotive domain controllers: 5x CAN FD controllers with protocol offload, 2x FlexRay MCUs supporting static/dynamic segments, and an intelligent cryptographic unit (ICUMD) supporting AES-128/256, SHA-256, and RSA-2048 with secure key storage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RH850G3K-H dual-core lockstep, 200 MHz max - enables real-time fault detection with <1 µs comparison latency |
| Flash Memory | 4 MB with ECC and read-while-write - supports safe over-the-air (OTA) updates without application interruption |
| RAM | 512 KB SRAM with parity and ECC - protects runtime variables and stack against bit flips |
| CAN FD Channels | 5 independent controllers, up to 5 Mbps data rate - meets high-bandwidth requirements for ADAS sensor fusion |
| FlexRay Channels | 2 channels, compliant with FlexRay v2.1A - provides deterministic communication for brake-by-wire and steer-by-wire |
| Safety Certification | ISO 26262 ASIL-B ready (hardware level), AEC-Q100 Grade 1 qualified - validated for under-hood automotive deployment |
| Package | FPBGA-324 (15 × 15 mm, 0.8 mm pitch) - supports high I/O count and thermal dissipation in compact ECUs |
Pinout & Package
Package: FPBGA-324 (15 mm × 15 mm, 0.8 mm ball pitch, 324-ball array). Thermal pad exposed on underside for enhanced heat transfer in automotive environments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDP0–VDDP7 | Core Power Supply (1.2 V) | Eight independent 1.2 V domains for clock-gated power management of CPU, peripherals, and safety logic |
| VDDA0–VDDA2 | Analog Power Supply (5 V / 3.3 V) | Dedicated analog rails for ADC, DAC, and reference voltage generation with low-noise regulation |
| RESETn | Active-Low Reset Input | Asynchronous reset with internal pull-up; triggers full system initialization including lockstep synchronization and memory scrubbing |
| CLKIN | External Clock Input (1–40 MHz) | Accepts crystal or oscillator input for PLL-based clock generation; supports fail-safe clock monitoring via FCM module |
| TRSTn / TCK / TMS / TDI / TDO | JTAG Debug Interface | Fully compliant IEEE 1149.1 interface with boundary scan and debug access to both cores and safety monitors |
Key Features
| Feature | Design Value |
|---|---|
| Dual-Core Lockstep Execution | Hardware-enforced instruction-level comparison with automatic core isolation on mismatch - eliminates need for software-based voting logic |
| On-Chip Flash ECC | Single-bit error correction and double-bit error detection across entire 4 MB flash - prevents silent data corruption during program execution |
| Integrated ICUMD Crypto Engine | Hardware-accelerated AES-128/256, SHA-256, and RSA-2048 with protected key storage - reduces OTA update signing latency by >90% vs. software-only |
| FlexRay v2.1A Support | Two independent FlexRay communication controllers with static segment configuration and dynamic slot arbitration - meets strict timing deadlines for safety-critical actuation |
| ASIL-B Ready Safety Architecture | Includes CPU BIST, MBIST, watchdog timer with windowing, and memory protection unit (MPU) - satisfies decomposition requirements for ASIL-B systems |
Applications
| Engine Control Unit (ECU) | Electric Power Steering (EPS) |
|---|---|
Use Scenario: Real-time combustion timing, fuel injection, and exhaust gas recirculation control in gasoline and diesel engines. IC Role / Device Role / Timing Role: Primary safety-certified controller executing ASIL-B software with lockstep CPU supervision and flash integrity checking. Use Value: Enables deterministic sub-10 µs interrupt response and certified fault detection for ISO 26262-compliant engine management. |
Use Scenario: Torque assist calculation, motor position feedback processing, and fail-safe torque reduction in steer-by-wire systems. IC Role / Device Role / Timing Role: Dual-core safety controller managing motor control loops and redundancy monitoring via FlexRay and CAN FD. Use Value: Guarantees <500 ns inter-core synchronization jitter and hardware CRC protection for motor command integrity. |
| Brake-by-Wire System | Advanced Driver Assistance (ADAS) Domain Controller |
Use Scenario: Hydraulic pressure modulation, wheel speed fusion, and emergency braking coordination across multiple axles. IC Role / Device Role / Timing Role: ASIL-B-certified master controller interfacing with ABS/ESC sensors and actuators via CAN FD and FlexRay. Use Value: Delivers <1 ms end-to-end latency from sensor input to actuator output with hardware-verified data path integrity. |
Use Scenario: Sensor data aggregation (radar, camera, ultrasonic), fusion algorithm execution, and vehicle dynamics coordination. IC Role / Device Role / Timing Role: High-integrity domain controller hosting safety monitor alongside application cores, using ICUMD for secure firmware authentication. Use Value: Supports concurrent ASIL-B safety monitor and ASIL-A application partitioning with hardware-enforced memory isolation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F7016824AFP-C#BA1 | Same RH850/F1KH-D8 family, 2 MB flash (vs. 4 MB), identical pinout and peripheral set | Targeted at cost-sensitive ASIL-B modules with smaller firmware footprint (e.g., body control units) | Select when flash capacity >2 MB is not required and BOM cost optimization is critical |
| TC377TP-64F200N-DC | Infineon AURIX™ TC3xx tri-core architecture, 2 MB flash, 200 MHz, ASIL-D capable | Higher safety integrity (ASIL-D) but higher power and larger package (LQFP-176 vs. FPBGA-324) | Choose for ASIL-D systems requiring triple modular redundancy; not drop-in compatible due to different architecture and toolchain |
Compared with R7F7016844AFP-C#BA1, the R7F7016824AFP-C#BA1 offers identical safety architecture and pin compatibility at reduced memory cost, while the TC377TP targets higher ASIL levels with architectural trade-offs in power, layout, and software ecosystem.
Availability
R7F7016844AFP-C#BA1 is available at Aetrix Electronics and suitable for automotive powertrain control, electric power steering, and brake-by-wire systems requiring stable component supply, long lifecycle commitment, and AEC-Q100 Grade 1 reliability.
Supply support for R7F7016844AFP-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-reliability 32-bit MCUs designed specifically for ASIL-B automotive safety applications including engine control, transmission, and chassis systems.
FAQ
What is the maximum operating temperature range for the R7F7016844AFP-C#BA1?
The R7F7016844AFP-C#BA1 is qualified per AEC-Q100 Grade 1, with a guaranteed operating ambient temperature range of −40°C to +125°C. This rating applies to the full FPBGA-324 package and all integrated peripherals, including CAN FD transceivers and FlexRay controllers, enabling under-hood deployment in modern powertrain systems.
Does the R7F7016844AFP-C#BA1 support CAN FD with ISO 11898-1:2015 compliance?
Yes, the R7F7016844AFP-C#BA1 integrates five fully compliant CAN FD controllers meeting ISO 11898-1:2015. Each supports data rates up to 5 Mbps, flexible data field lengths (up to 64 bytes), and automatic protocol arbitration - verified in Renesas' RH850/F1KH hardware validation report Rev.1.30, Section 12.3.2.
How is functional safety implemented in the R7F7016844AFP-C#BA1 for ASIL-B compliance?
The R7F7016844AFP-C#BA1 achieves ASIL-B readiness through hardware-enforced dual-core lockstep execution, CPU and memory BIST, ECC-protected flash and RAM, and a dedicated safety management unit (SMU) that monitors clock, voltage, and reset integrity. These features are documented in the RH850/F1KH User's Manual Hardware Rev.1.30, Sections 3.4 and 15.2.
What debug interface does the R7F7016844AFP-C#BA1 provide, and is it accessible during safety operation?
The R7F7016844AFP-C#BA1 provides a full IEEE 1149.1 JTAG interface (TRSTn, TCK, TMS, TDI, TDO) with boundary-scan capability and real-time debug access to both CPU cores. Debug remains active during normal operation but is automatically disabled upon safety violation detection to prevent interference with lockstep integrity checks.
Is the R7F7016844AFP-C#BA1 pin-compatible with other RH850/F1KH-D8 variants?
Yes, the R7F7016844AFP-C#BA1 shares identical FPBGA-324 pinout and electrical characteristics with all RH850/F1KH-D8 family members, including R7F7016824AFP-C#BA1 and R7F7016834AFP-C#BA1. This allows PCB reuse across memory variants while maintaining identical signal routing, power delivery, and thermal design.
R7F7016844AFP-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 ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F7016844AFP-C#BA1 FAQ
1.How can I place an order for R7F7016844AFP-C#BA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F7016844AFP-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 R7F7016844AFP-C#BA1 reliable?
The price and inventory of R7F7016844AFP-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 R7F7016844AFP-C#BA1 is usually 5 days.
3.What payment methods are accepted for R7F7016844AFP-C#BA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F7016844AFP-C#BA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F7016844AFP-C#BA1?
R7F7016844AFP-C#BA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F7016844AFP-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 R7F7016844AFP-C#BA1?
For technical support, including R7F7016844AFP-C#BA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F7016844AFP-C#BA1 requirements.
6.How does Aetrix verify that R7F7016844AFP-C#BA1 is sourced from the original manufacturer or authorized distributors?
All R7F7016844AFP-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 R7F7016844AFP-C#BA1 meets industry standards.
7.What is the process for return or replacement of R7F7016844AFP-C#BA1?
All R7F7016844AFP-C#BA1 units undergo pre-shipment inspection (PSI). If there is an issue with R7F7016844AFP-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 R7F7016844AFP-C#BA1 part is unused and in its original packaging.
Return procedure for R7F7016844AFP-C#BA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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