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Renesas R7F7017154ABG-C#AC1
- Part No.:
- R7F7017154ABG-C#AC1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 324-FBGA
- Datasheet:
-
R7F7017154ABG-C#AC1.pdf
- Description:
- IC MCU 32BIT 8MB FLASH 324FBGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,281
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Product details
Overview
R7F7017154ABG-C#AC1 from Renesas Electronics is a 32-bit RH850/F1KM-S4 automotive microcontroller featuring dual-core lockstep CPU, ASIL-D functional safety compliance, 4MB flash, 512KB SRAM, and integrated CAN FD, LIN, and Ethernet AVB interfaces. It serves as the main safety controller in electric powertrain control units and ADAS domain controllers.
For engineers reviewing the R7F7017154ABG-C#AC1 datasheet, R7F7017154ABG-C#AC1 pinout, R7F7017154ABG-C#AC1 application, or R7F7017154ABG-C#AC1 equivalent, key selection considerations include ASIL-D certification status, dual-core lockstep execution integrity, flash ECC coverage, on-chip voltage monitoring, and hardware-based memory protection unit (MPU) configuration.
Technical Context
The R7F7017154ABG-C#AC1 implements two synchronized RH850 G3K-H cores operating in lockstep mode with real-time comparison logic and error signaling via dedicated fault output pins. It integrates a Safety Support Core (SSC) for independent diagnostic monitoring of CPU, memory, and bus subsystems.
Hardware safety features include dual-channel flash ECC with correction capability, parity-protected SRAM, clock failure detection with fail-safe clock switching, and a configurable watchdog timer with windowed operation. The device supports ISO 26262 ASIL-D decomposition across CPU, memory, and peripheral domains per its certified safety manual.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Dual RH850 G3K-H cores in lockstep mode with real-time comparison and fault signaling |
| Flash Memory | 4 MB on-chip flash with single-bit error correction and double-bit error detection (SEC-DED) |
| SRAM | 512 KB with parity protection and built-in self-test (BIST) support |
| Safety Certification | ISO 26262 ASIL-D compliant per certified safety manual R01US0299EJxxxx |
| Communication Interfaces | 2× CAN FD (up to 5 Mbps), 3× LIN, 1× Ethernet AVB (100BASE-T1), 2× FlexRay v2.1A |
| Package | 256-pin LQFP (24 mm × 24 mm, 0.5 mm pitch) with exposed thermal pad |
| Operating Temperature | −40°C to +125°C ambient, qualified per AEC-Q100 Grade 1 |
Pinout & Package
Package: 256-pin LQFP (24 mm × 24 mm, 0.5 mm pitch) with exposed thermal pad (EPAD). Pin assignment conforms to RH850/F1KM-S4 pinout specification Rev.1.00 Section 2B.2.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDP0–VDDP7 | Core Power Supply | Eight independent 1.2 V core supply pins for voltage domain isolation and noise reduction |
| VDDA0–VDDA2 | Analog Power Supply | Three 5 V analog supply pins supporting ADC, DAC, and reference voltage circuitry |
| RESETN | Active-Low Reset Input | Asynchronous reset input with internal pull-up; asserts system-wide cold reset on falling edge |
| FSYN | Functional Safety Monitor Output | Open-drain fault signal asserted when lockstep mismatch, memory ECC uncorrectable error, or SSC timeout occurs |
| ETH_RXD0/1, ETH_TXD0/1 | Ethernet Physical Interface | Differential pairs for 100BASE-T1 Ethernet AVB interface with integrated termination resistors |
Key Features
| Feature | Design Value |
|---|---|
| Dual-Core Lockstep Execution | Real-time instruction-by-instruction comparison between two identical G3K-H cores with automatic fault flagging and safe state entry |
| Hardware Safety Monitor (SSC) | Dedicated safety core running independent diagnostics on CPU pipeline, memory controllers, and clock trees without software intervention |
| Memory Protection Unit (MPU) | Configurable 16-region MPU enforcing access rights per privilege level, supporting ASIL-D partitioning of safety-critical and non-safety tasks |
| On-Chip Voltage Monitors | Four independent voltage supervisors for VDDP, VDDA, VDDIO, and backup domain-each triggering NMI or reset on threshold violation |
| Secure Boot with ROM-based Root Key | Immutable boot ROM verifies signed firmware images using SHA-256 and RSA-2048 before execution; keys stored in one-time-programmable fuses |
Applications
| Electric Powertrain Control Unit | ADAS Domain Controller |
|---|---|
Use Scenario: Real-time torque vectoring and inverter gate drive control in 400V/800V BEV platforms. IC Role / Device Role / Timing Role: Primary safety-certified MCU executing ISO 26262 Part 6-compliant motor control algorithms with <5 µs interrupt latency. Use Value: Dual-core lockstep ensures deterministic fault detection within 100 ns, enabling immediate safe shutdown of IGBT/SiC gate drivers upon mismatch. |
Use Scenario: Sensor fusion hub aggregating radar, camera, and ultrasonic inputs for L2+ automated driving functions. IC Role / Device Role / Timing Role: Central timing and synchronization controller distributing time-triggered Ethernet AVB frames and CAN FD timestamps across distributed ECUs. Use Value: Hardware timestamping engine with ±25 ns accuracy enables sub-millisecond sensor data alignment across heterogeneous interfaces. |
| Brake-by-Wire System | Vehicle Communication Gateway |
Use Scenario: Redundant braking actuation in steer-by-wire and brake-by-wire architectures requiring dual-channel fail-operational design. IC Role / Device Role / Timing Role: ASIL-D safety controller managing dual independent hydraulic pressure channels with cross-monitoring via FlexRay and CAN FD. Use Value: Integrated FlexRay v2.1A controller with hardware CRC and frame filtering reduces external component count while meeting <10 ms end-to-end latency requirement. |
Use Scenario: High-bandwidth gateway bridging legacy CAN/CAN FD networks with Ethernet TSN backbone in zonal E/E architecture. IC Role / Device Role / Timing Role: Protocol translation and firewall enforcement node with hardware-accelerated TLS 1.2 and secure boot chain. Use Value: On-chip cryptographic unit (ICUMD) performs AES-128-GCM encryption at line rate (100 Mbps) without CPU overhead. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F7017154ABG-C#AC0 | Same silicon die and package, but configured for ASIL-B only; lacks full lockstep diagnostic coverage and reduced flash ECC scope | Targeted at non-safety-critical body control modules where ASIL-D is not mandated | Select only if functional safety requirements do not exceed ASIL-B and cost sensitivity outweighs future scalability needs |
| TC397XP-128F300S-DC | TriCore-based Infineon MCU with 300 MHz clock, 8 MB flash, and integrated HSM; no native Ethernet AVB support | Preferred for high-performance chassis control where deterministic real-time response >100 MHz matters more than Ethernet integration | Choose when existing TriCore toolchain investment exists and Ethernet AVB is handled externally via PHY+switch |
Compared with R7F7017154ABG-C#AC1, the AC0 variant sacrifices ASIL-D certification and full lockstep diagnostics for lower cost, while the TC397XP offers higher compute throughput but requires external Ethernet components and lacks integrated safety monitor outputs like FSYN.
Availability
R7F7017154ABG-C#AC1 is available at Aetrix Electronics and suitable for electric powertrain control units, ADAS domain controllers, brake-by-wire systems, and vehicle communication gateways requiring stable component supply under automotive production schedules.
Supply support for R7F7017154ABG-C#AC1 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, power, and SoC solutions for automotive, industrial, and IoT markets.
The RH850/F1KM product line delivers ASIL-D-certified 32-bit MCUs for safety-critical automotive applications including powertrain, chassis, and advanced driver assistance systems.
FAQ
What safety certifications does the R7F7017154ABG-C#AC1 hold?
The R7F7017154ABG-C#AC1 is certified to ISO 26262 ASIL-D at the hardware level per its certified safety manual R01US0299EJxxxx. It includes documentation packages for FMEDA, FMEA, and safety analysis reports required for system-level ASIL-D integration. The R7F7017154ABG-C#AC1 also meets AEC-Q100 Grade 1 qualification for automotive temperature operation.
Does the R7F7017154ABG-C#AC1 support Ethernet AVB with hardware timestamping?
Yes, the R7F7017154ABG-C#AC1 integrates a 100BASE-T1 Ethernet AVB controller with hardware timestamping capable of ±25 ns accuracy. This enables precise time synchronization across distributed sensors and actuators without CPU intervention. The R7F7017154ABG-C#AC1 uses this feature for deterministic sensor fusion in ADAS domain controllers.
What is the role of the FSYN pin on the R7F7017154ABG-C#AC1?
The FSYN pin on the R7F7017154ABG-C#AC1 is an open-drain functional safety monitor output that asserts low during detected faults-including lockstep CPU mismatches, uncorrectable flash ECC errors, or Safety Support Core timeouts. It connects directly to external fail-safe shutdown circuits and is electrically isolated from core logic to prevent fault masking. The R7F7017154ABG-C#AC1 guarantees FSYN assertion within 100 ns of fault detection.
Can the R7F7017154ABG-C#AC1 execute secure boot from external QSPI flash?
No-the R7F7017154ABG-C#AC1 enforces secure boot exclusively from its internal 4 MB flash. The boot ROM verifies digital signatures of firmware images using RSA-2048 and SHA-256 before loading into SRAM; external memory is not authenticated or executed. This design prevents tampering with boot code and ensures root-of-trust integrity. The R7F7017154ABG-C#AC1 does not support booting from external QSPI devices.
How many CAN FD interfaces does the R7F7017154ABG-C#AC1 provide, and what is their maximum bit rate?
The R7F7017154ABG-C#AC1 provides two independent CAN FD controllers supporting up to 5 Mbps data phase bit rates and standard 1 Mbps arbitration phase. Each controller includes 64 message objects with hardware acceptance filtering and flexible data length up to 64 bytes. These interfaces are used in R7F7017154ABG-C#AC1-based powertrain and chassis control applications for high-speed actuator coordination.
R7F7017154ABG-C#AC1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 324-FBGA
- Series:
- RH850/F1x
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RH850G3KH
- Core Size:
- 32-Bit Dual-Core
- Speed:
- 240MHz
- Connectivity:
- CANbus, CSI, Ethernet, I2C, LINbus, SENT, SPI, UART/USART
- Peripherals:
- DMA, LVD, PWM, WDT
- Number of I/O:
- 246
- Program Memory Size:
- 8MB (8M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 256K x 8
- RAM Size:
- 1M x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 5.5V
- Data Converters:
- A/D 38x10b, 32x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F7017154ABG-C#AC1 FAQ
1.How can I place an order for R7F7017154ABG-C#AC1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F7017154ABG-C#AC1 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 R7F7017154ABG-C#AC1 reliable?
The price and inventory of R7F7017154ABG-C#AC1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F7017154ABG-C#AC1 is usually 5 days.
3.What payment methods are accepted for R7F7017154ABG-C#AC1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F7017154ABG-C#AC1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F7017154ABG-C#AC1?
R7F7017154ABG-C#AC1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F7017154ABG-C#AC1 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 R7F7017154ABG-C#AC1?
For technical support, including R7F7017154ABG-C#AC1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F7017154ABG-C#AC1 requirements.
6.How does Aetrix verify that R7F7017154ABG-C#AC1 is sourced from the original manufacturer or authorized distributors?
All R7F7017154ABG-C#AC1 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 R7F7017154ABG-C#AC1 meets industry standards.
7.What is the process for return or replacement of R7F7017154ABG-C#AC1?
All R7F7017154ABG-C#AC1 units undergo pre-shipment inspection (PSI). If there is an issue with R7F7017154ABG-C#AC1, 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 R7F7017154ABG-C#AC1 part is unused and in its original packaging.
Return procedure for R7F7017154ABG-C#AC1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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