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Renesas R7F702002AEABA-C#BC0
- Part No.:
- R7F702002AEABA-C#BC0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 373-FBGA
- Datasheet:
-
R7F702002AEABA-C#BC0.pdf
- Description:
- IC MCU 32BIT 8MB FLASH 373FBGA
- Quantity:
- Payment:
- Shipping:
Inventory:515
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Product details
Overview
R7F702002AEABA-C#BC0 from Renesas Electronics is a 32-bit RH850/E2x-FCC1 automotive microcontroller with dual-core lockstep CPU, 2 MB on-chip Flash, 256 KB RAM, and ASIL-D functional safety compliance per ISO 26262. It integrates CAN FD, LIN, FlexRay, and Ethernet AVB interfaces, targeting engine control units and advanced driver assistance systems (ADAS) domain controllers.
For engineers reviewing the R7F702002AEABA-C#BC0 datasheet, R7F702002AEABA-C#BC0 pinout, R7F702002AEABA-C#BC0 application, or R7F702002AEABA-C#BC0 equivalent, key selection criteria include dual-core lockstep execution integrity, ASIL-D hardware safety mechanisms (ECC, BIST, lockstep monitoring), real-time interrupt latency under 50 ns, and support for AUTOSAR 4.3+ and SafeTI™ diagnostic software.
Technical Context
The R7F702002AEABA-C#BC0 implements two identical G3KH CPU cores operating in lockstep mode with cycle-accurate comparison and error detection logic. It includes a dedicated Safety Control Unit (SCU) that monitors core divergence, memory ECC errors, clock domain faults, and reset source anomalies in real time.
Memory subsystem features dual-bank 2 MB Code Flash with background read while programming (BRWP), 256 KB SRAM with ECC protection, and 64 KB TCM (Tightly Coupled Memory) split into ITCM and DTCM. Peripheral interconnect uses a multi-layer AXI/AHB bus matrix with configurable access rights and error injection test capability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | G3KH dual-core lockstep (32-bit, 400 MHz max), cycle-accurate comparison with automatic fail-safe shutdown |
| Flash Memory | 2 MB on-chip Code Flash with ECC, BRWP, and 100k write/erase cycles - enables safe OTA updates without application interruption |
| RAM | 256 KB SRAM with SEC-DED ECC and parity - protects runtime data against single-bit faults and detects double-bit errors |
| Safety Certification | ISO 26262 ASIL-D compliant (hardware level), with integrated SCU, BIST, and fault collection & reporting unit (FCRU) |
| Communication Interfaces | 2× CAN FD (up to 5 Mbps), 2× LIN, 1× FlexRay (10 Mbps), 1× Ethernet AVB (100BASE-T1) - supports mixed-criticality vehicle networks |
| Package | 176-pin LQFP (24 × 24 mm, 0.5 mm pitch) - RoHS-compliant, automotive-grade AEC-Q100 Grade 1 (-40°C to +125°C) |
| Real-Time Performance | <50 ns worst-case interrupt latency with priority nesting - meets hard real-time deadlines in powertrain control loops |
Pinout & Package
Package: 176-pin LQFP (24 × 24 mm, 0.5 mm pitch), moisture sensitivity level MSL3, lead-free and RoHS compliant. Designed for reflow soldering per J-STD-020D.3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDIO | Power supply inputs | Dual-domain supply: VDD (core @ 1.2 V) and VDDIO (I/O @ 3.3 V or 5 V tolerant) - enables mixed-voltage interface design |
| RESETn | Active-low reset input | Asynchronous, glitch-filtered reset pin monitored by SCU - initiates full safety state transition including memory scrub and register validation |
| CLKIN | External clock input | Accepts 4–40 MHz crystal or CMOS clock - feeds PLL for internal 400 MHz core clock generation with spread-spectrum modulation support |
| ERROROUT_C | Safety error output | Open-drain fail-safe signal asserted on lockstep mismatch, ECC uncorrectable error, or SCU-detected fault - drives external watchdog or system-level shutdown circuitry |
| TRSTn, TCK, TMS, TDI, TDO | JTAG debug interface | Fully compliant IEEE 1149.1 interface with boundary scan and safety-aware debug authentication - supports secure firmware update verification |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core lockstep with real-time divergence detection | Hardware-enforced instruction-by-instruction comparison with sub-cycle response - eliminates undetected silent data corruption in safety-critical paths |
| Integrated Safety Control Unit (SCU) | Monitors CPU, memory, clock, and reset domains independently; logs faults to FCRU with timestamp and context - satisfies ASIL-D diagnostic coverage requirements |
| Background Read While Programming (BRWP) | Enables concurrent code execution from one Flash bank while programming another - critical for zero-downtime field updates in ECU applications |
| Flexible I/O voltage tolerance (3.3 V / 5 V) | Configurable I/O pins accept 5 V inputs while powered at 3.3 V - simplifies integration with legacy sensors and actuators without level shifters |
| AUTOSAR-compliant peripheral drivers | Pre-certified MCAL drivers for CAN FD, LIN, FlexRay, and Ethernet - reduces functional safety certification effort for Tier 1 suppliers |
Applications
| Engine Control Unit (ECU) | Brake Control Module |
|---|---|
Use Scenario: Real-time combustion timing, fuel injection, and exhaust gas recirculation control in gasoline/diesel powertrains. IC Role / Device Role / Timing Role: Primary ASIL-D controller executing closed-loop PID algorithms with deterministic sub-100 µs loop times. Use Value: Dual-core lockstep ensures fault-free torque calculation; 2 MB Flash supports complex calibration maps and adaptive learning models. | Use Scenario: Integrated braking pressure modulation and electronic stability control coordination across ABS, ESC, and AEB functions. IC Role / Device Role / Timing Role: Safety-critical actuator controller with <50 ns interrupt latency for hydraulic valve timing precision. Use Value: On-chip FlexRay and CAN FD enable synchronized multi-node brake coordination; ECC RAM prevents corrupted pressure command values. |
| ADAS Domain Controller | Electric Power Steering (EPS) |
Use Scenario: Sensor fusion hub aggregating radar, camera, and ultrasonic inputs for lane-keeping and collision avoidance decisions. IC Role / Device Role / Timing Role: High-integrity compute node managing time-synchronized data ingestion and safety-managed decision outputs. Use Value: Ethernet AVB provides deterministic low-latency sensor streaming; SCU validates all decision-path computations before actuation. | Use Scenario: Torque assist and steering angle correction with fail-operational redundancy during motor or sensor failure. IC Role / Device Role / Timing Role: Dual-redundant controller implementing torque overlay and mechanical backup arbitration logic. Use Value: Lockstep CPU and ERROROUT_C signal enable seamless transition to degraded-mode operation within 10 ms of fault detection. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K344W0VLLT | ARM Cortex-R52 dual-core lockstep, 4 MB Flash, no integrated Ethernet AVB; uses different safety library (SafeAssure vs. Renesas SafeTI) | Stronger focus on body electronics and gateway applications; less optimized for high-bandwidth sensor fusion | Select when requiring ARM ecosystem compatibility, larger Flash, or existing NXP toolchain investment |
| Infineon AURIX TC397XP-256F300S | Tri-core lockstep (2x TriCore + 1x safety monitor), 8 MB Flash, 4.5 MB RAM; supports HSM for cryptographic acceleration | Better suited for central vehicle computers with heavy security demands (e.g., OTA signing, secure boot) | Select when needing higher memory bandwidth, hardware security module, or tri-core safety architecture |
Compared with R7F702002AEABA-C#BC0, the S32K344W0VLLT offers broader ARM tooling but lacks native Ethernet AVB for ADAS sensor streaming, while the TC397XP-256F300S delivers greater memory capacity and crypto offload at the cost of higher power and package complexity - making R7F702002AEABA-C#BC0 optimal for cost-sensitive, high-integrity powertrain and chassis controllers.
Availability
R7F702002AEABA-C#BC0 is available at Aetrix Electronics and suitable for engine control units, brake control modules, and ADAS domain controllers requiring stable component supply, long-term automotive lifecycle support, and ASIL-D certified silicon.
Supply support for R7F702002AEABA-C#BC0 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 family - including the R7F702002AEABA-C#BC0 - was designed specifically for ASIL-D automotive applications requiring functional safety, real-time determinism, and high reliability in powertrain, chassis, and ADAS systems.
FAQ
What is the maximum operating frequency of the R7F702002AEABA-C#BC0?
The R7F702002AEABA-C#BC0 operates at a maximum core frequency of 400 MHz. This is achieved via an internal PLL driven by an external 4–40 MHz clock source. The dual G3KH cores run synchronously in lockstep, maintaining strict cycle alignment for safety-critical execution. All peripherals and memory subsystems are fully timed to sustain this frequency without wait states under specified voltage and temperature conditions.
Does the R7F702002AEABA-C#BC0 support AUTOSAR OS and MCAL?
Yes, the R7F702002AEABA-C#BC0 is supported by Renesas' official AUTOSAR 4.3+ compliant MCAL stack, including drivers for CAN FD, LIN, FlexRay, Ethernet AVB, and ADC. It integrates with leading AUTOSAR OS vendors (e.g., ETAS RTA-OS, Vector MICROSAR OS) and supports both standard and safety-enhanced configurations required for ASIL-D applications.
What safety certifications does the R7F702002AEABA-C#BC0 hold?
The R7F702002AEABA-C#BC0 is certified to ISO 26262 ASIL-D at the hardware level, with full documentation of FMEDA, safety mechanisms, and diagnostic coverage metrics. It also complies with AEC-Q100 Grade 1 (−40 °C to +125 °C) and supports SafeTI™ diagnostic software for end-to-end safety analysis. No additional third-party certification is required for ASIL-D system integration when used per Renesas safety manual guidelines.
Can the R7F702002AEABA-C#BC0 execute code while programming Flash memory?
Yes, the R7F702002AEABA-C#BC0 supports Background Read While Programming (BRWP) across its 2 MB Code Flash. This allows uninterrupted execution from one Flash bank while simultaneously erasing and programming another, enabling safe over-the-air (OTA) updates and runtime calibration without system downtime or safety state transitions.
What is the role of the ERROROUT_C pin on the R7F702002AEABA-C#BC0?
The ERROROUT_C pin on the R7F702002AEABA-C#BC0 is an open-drain safety output asserted by the Safety Control Unit (SCU) upon detection of critical faults - including CPU lockstep mismatch, uncorrectable ECC errors, clock domain failures, or SCU internal faults. It drives external fail-safe circuitry (e.g., watchdog timeout, power switch disable) and must be externally pulled up to initiate a controlled system shutdown.
R7F702002AEABA-C#BC0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 373-FBGA
- Series:
- RH850/E2M
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RH850G4MH
- Core Size:
- 32-Bit
- Speed:
- 400MHz
- Connectivity:
- CANbus, CSI, Ethernet, FlexRay, LINbus, PSI5S, SCI, SENT, UART/USART
- Peripherals:
- DMA, PWM, Temp Sensor, WDT
- Number of I/O:
- -
- Program Memory Size:
- 8MB (8M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 224K x 8
- RAM Size:
- 768K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 3.6V, 3V ~ 5.5V
- Data Converters:
- A/D 80x10b, 80x12b SAR
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F702002AEABA-C#BC0 FAQ
1.How can I place an order for R7F702002AEABA-C#BC0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F702002AEABA-C#BC0 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 R7F702002AEABA-C#BC0 reliable?
The price and inventory of R7F702002AEABA-C#BC0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F702002AEABA-C#BC0 is usually 5 days.
3.What payment methods are accepted for R7F702002AEABA-C#BC0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F702002AEABA-C#BC0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F702002AEABA-C#BC0?
R7F702002AEABA-C#BC0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F702002AEABA-C#BC0 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 R7F702002AEABA-C#BC0?
For technical support, including R7F702002AEABA-C#BC0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F702002AEABA-C#BC0 requirements.
6.How does Aetrix verify that R7F702002AEABA-C#BC0 is sourced from the original manufacturer or authorized distributors?
All R7F702002AEABA-C#BC0 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 R7F702002AEABA-C#BC0 meets industry standards.
7.What is the process for return or replacement of R7F702002AEABA-C#BC0?
All R7F702002AEABA-C#BC0 units undergo pre-shipment inspection (PSI). If there is an issue with R7F702002AEABA-C#BC0, 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 R7F702002AEABA-C#BC0 part is unused and in its original packaging.
Return procedure for R7F702002AEABA-C#BC0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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