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Renesas R7F701379EAFP-C#BA2
- Part No.:
- R7F701379EAFP-C#BA2
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R7F701379EAFP-C#BA2.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:480
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Product details
Overview
R7F701379EAFP-C#BA2 from Renesas Electronics is a 32-bit RH850/P1M-E automotive microcontroller featuring a dual-core lockstep CPU, 3MB on-chip flash memory, 384KB RAM, and integrated safety mechanisms including ECC, BIST, and lockstep error detection. It supports ASIL-D functional safety compliance per ISO 26262 and operates at up to 120 MHz in automotive powertrain and chassis control applications.
For engineers reviewing the R7F701379EAFP-C#BA2 datasheet, R7F701379EAFP-C#BA2 pinout, R7F701379EAFP-C#BA2 application, or R7F701379EAFP-C#BA2 equivalent, key selection criteria include dual-core lockstep execution integrity, ASIL-D-certified safety library support, 3MB flash with background programming capability, and integrated CAN FD (up to 5 channels) and SENT interfaces for sensor communication.
Technical Context
The R7F701379EAFP-C#BA2 implements two identical RH850 G3M cores operating in lockstep mode with cycle-by-cycle comparison and automatic fault containment. Its memory subsystem includes 3MB of code flash with 128-bit wide access, ECC protection on both flash and SRAM, and built-in self-test (BIST) for startup and runtime diagnostics.
Peripheral integration includes five CAN FD controllers (ISO 11898-1:2015 compliant), eight SENT receivers, four 12-bit ADCs (total 48 channels), and a dedicated safety monitor unit (SMU) that independently verifies CPU execution, memory integrity, and clock domain consistency - all required for ASIL-D decomposition in automotive safety-critical systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RH850 G3M dual-core lockstep, 120 MHz max frequency - enables real-time ASIL-D fault detection via hardware-level instruction comparison. |
| Flash Memory | 3 MB code flash with ECC, background programming, and 100k write/erase cycles - supports safe over-the-air (OTA) updates without interrupting control tasks. |
| RAM | 384 KB SRAM with ECC and parity - provides protected data storage for safety-critical variables and stack operations. |
| Safety Certification | ISO 26262 ASIL-D ready with integrated SMU, lockstep BIST, and safety manual - reduces FMEDA effort and accelerates automotive safety case development. |
| Communication Interfaces | 5× CAN FD (up to 5 Mbps), 8× SENT receivers, 4× SPI, 4× I²C, 2× LIN - meets full sensor actuator networking requirements for engine control units (ECUs). |
| Analog Peripherals | 4× 12-bit ADCs (48 total channels), 2× 10-bit DACs, 16× CMP - enables high-resolution current sensing, voltage monitoring, and closed-loop analog control. |
| Package | 256-pin LQFP (24 mm × 24 mm, 0.5 mm pitch) - supports industrial-grade thermal dissipation and automotive board-level reliability testing. |
Pinout & Package
The R7F701379EAFP-C#BA2 is housed in a 256-pin LQFP package (24 mm × 24 mm, 0.5 mm pitch) with exposed thermal pad, rated for −40°C to +125°C ambient operation and qualified per AEC-Q100 Grade 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDIO | Power supply inputs | Dual-domain supply: VDD powers core logic (1.2 V), VDDIO powers I/Os (3.3 V or 5 V tolerant) - enables mixed-voltage system interfacing. |
| RESET | Asynchronous reset input | Active-low, Schmitt-triggered with internal pull-up - ensures robust reset assertion under automotive EMI conditions. |
| CLKIN | External crystal oscillator input | Supports 4–20 MHz crystal or external clock source - feeds PLL for precise 120 MHz core clock generation. |
| CAN0_TX / CAN0_RX | CAN FD channel 0 differential interface | Direct connection to external CAN transceiver - supports ISO 11898-1:2015 FD frames at up to 5 Mbps data phase. |
| SENT0–SENT7 | SENT receiver inputs | Eight dedicated single-wire digital inputs for automotive sensor signals (e.g., pressure, temperature) - supports PWM and pulse-count protocols per SAE J2716 Rev 3. |
| AD00–AD47 | Analog input channels | 48-channel multiplexed inputs shared across four 12-bit ADCs - allows simultaneous sampling of multiple engine sensors with configurable scan sequences. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core lockstep execution | Hardware-enforced instruction-by-instruction comparison between two identical cores - detects transient faults with zero software overhead and immediate fail-safe response. |
| Integrated Safety Monitor Unit (SMU) | Dedicated hardware block performing independent clock monitoring, memory BIST, and CPU instruction flow verification - eliminates need for external safety controller in ASIL-D designs. |
| Background Flash Programming (BFP) | Enables flash reprogramming while executing application code from another bank - essential for fail-safe OTA firmware updates in production ECUs. |
| ECC-protected memory subsystem | Single-bit error correction and double-bit error detection on 3MB flash and 384KB SRAM - prevents silent data corruption in safety-critical control variables. |
| Automotive-grade peripheral set | 5 CAN FD, 8 SENT, 4x 12-bit ADCs, 2x DACs, 16 comparators - satisfies full signal acquisition and actuation requirements for powertrain and chassis control without external components. |
Applications
| Engine Control Unit (ECU) | Transmission Control Module (TCM) |
|---|---|
Use Scenario: Real-time combustion timing, fuel injection, and knock detection in gasoline/diesel engines. IC Role / Device Role / Timing Role: Primary ASIL-D safety controller executing ISO 26262-compliant control algorithms with lockstep fault detection. Use Value: 3MB flash stores complex calibration maps and diagnostic routines; dual-core lockstep ensures deterministic response to misfire events within <10 µs. | Use Scenario: Closed-loop hydraulic pressure control and gear shift sequencing in automatic transmissions. IC Role / Device Role / Timing Role: High-integrity motion controller interfacing with SENT-based pressure sensors and PWM-driven solenoids. Use Value: Eight SENT receivers acquire real-time oil pressure data; 2× 10-bit DACs generate precise reference voltages for proportional valve drivers. |
| Electric Power Steering (EPS) | Brake Control Unit (BCU) |
Use Scenario: Torque assist calculation and motor current regulation in column-assist and rack-assist EPS systems. IC Role / Device Role / Timing Role: Safety-certified torque path controller with redundant current sensing and motor gate drive supervision. Use Value: Four 12-bit ADCs sample dual-shunt current feedback at 1 µs intervals; lockstep CPU validates torque commands before actuation. | Use Scenario: ABS, EBD, and ESC coordination using wheel speed, yaw rate, and brake pressure inputs. IC Role / Device Role / Timing Role: Central ASIL-D braking coordinator communicating via CAN FD with distributed sensor nodes. Use Value: Five CAN FD channels handle time-synchronized messages across 4-wheel modules; SMU monitors critical timing windows for brake pressure ramping. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F701380EAFP-C#BA2 | Same RH850/P1M-E family, 4MB flash, identical pinout and peripheral set - differs only in flash capacity and part marking. | Preferred when larger calibration map storage or future-proofing for feature expansion is required. | Select R7F701380EAFP-C#BA2 if >3MB flash is needed; otherwise R7F701379EAFP-C#BA2 offers optimal cost/performance balance. |
| TC377TP-128F300SRL | Infineon AURIX™ TC3xx tri-core architecture, 3MB flash, ASIL-D certified - different core (TriCore vs. RH850), no SENT receivers, only 3 CAN FD channels. | Better suited for multi-domain control (e.g., combining powertrain + chassis), but lacks native SENT support for legacy sensor integration. | Choose TC377TP-128F300SRL for TriCore ecosystem alignment; choose R7F701379EAFP-C#BA2 for SENT-heavy sensor networks and Renesas toolchain continuity. |
Compared with R7F701380EAFP-C#BA2, the R7F701379EAFP-C#BA2 saves cost and footprint where 3MB flash suffices; versus TC377TP-128F300SRL, it delivers superior SENT integration and simpler migration from legacy RH850 designs - critical for Tier 1 suppliers maintaining multiple vehicle platforms.
Availability
R7F701379EAFP-C#BA2 is available at Aetrix Electronics and suitable for automotive powertrain control, electric power steering, brake control units, and transmission management systems requiring stable component supply across extended production lifecycles.
Supply support for R7F701379EAFP-C#BA2 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 Japan-based semiconductor manufacturer specializing in microcontrollers, analog, and power devices for automotive, industrial, and IoT markets.
The RH850 Family targets ASIL-D automotive applications, with the P1M-E group specifically engineered for high-performance powertrain and chassis control - emphasizing functional safety, real-time determinism, and sensor-rich peripheral integration.
FAQ
What is the maximum operating temperature range for the R7F701379EAFP-C#BA2?
The R7F701379EAFP-C#BA2 is qualified for operation from −40°C to +125°C ambient temperature per AEC-Q100 Grade 1, with thermal design support provided in Renesas Application Note R01AN3729. This rating applies to the full 256-pin LQFP package and covers all specified performance parameters including 120 MHz CPU operation and CAN FD communication at 5 Mbps.
Does the R7F701379EAFP-C#BA2 support ISO 26262 ASIL-D certification out of the box?
The R7F701379EAFP-C#BA2 is ASIL-D ready with integrated hardware safety mechanisms including dual-core lockstep, ECC-protected memory, SMU, and BIST. While the device itself meets ISO 26262 Part 5 hardware requirements, full ASIL-D certification requires system-level validation using Renesas' certified safety software library (CSL) and proper integration per the R7F701379EAFP-C#BA2 Functional Safety Manual (R01UM0167).
How many CAN FD interfaces does the R7F701379EAFP-C#BA2 include, and what is their data rate capability?
The R7F701379EAFP-C#BA2 integrates five fully independent CAN FD controllers compliant with ISO 11898-1:2015. Each supports arbitration bit rates up to 1 Mbps and data bit rates up to 5 Mbps, with programmable bit timing, flexible data length (up to 64 bytes), and built-in message RAM with hardware acceptance filtering - enabling concurrent high-speed communication with engine, transmission, and chassis ECUs.
What development tools are officially supported for the R7F701379EAFP-C#BA2?
Renesas provides full toolchain support for the R7F701379EAFP-C#BA2 via e² studio IDE, CS+ compiler, and the RH850/P1M-E Starter Kit (RTK0EG0012D00001BJ). Debugging uses E2 emulator Lite or E2 emulator Pro, with trace capability enabled through the on-chip debug interface. Renesas also supplies the R7F701379EAFP-C#BA2-specific device files, HAL drivers, and safety libraries in the Renesas GitHub repository.
Is background flash programming (BFP) supported on the R7F701379EAFP-C#BA2, and what are its constraints?
Yes, the R7F701379EAFP-C#BA2 supports background flash programming (BFP) allowing flash writes while executing code from another bank. Constraints include: BFP must be initiated from secure ROM or trusted code; only one BFP operation may be active at a time; and erase/write operations require specific timing windows defined in the R7F701379EAFP-C#BA2 Hardware Manual Section 13.4.2 - ensuring no interruption to real-time control tasks during OTA updates.
R7F701379EAFP-C#BA2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 144-LQFP
- Series:
- RH850/P1M-E
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- G3M
- Core Size:
- 32-Bit
- Speed:
- 160MHz
- Connectivity:
- CANbus, CSI, FlexRay, LINbus, PSI5, UART/USART
- Peripherals:
- DMA, Temp Sensor, WDT
- Number of I/O:
- 86
- Program Memory Size:
- 2MB (2M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 192K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 5.5V
- Data Converters:
- A/D 24x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F701379EAFP-C#BA2 FAQ
1.How can I place an order for R7F701379EAFP-C#BA2 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F701379EAFP-C#BA2 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 R7F701379EAFP-C#BA2 reliable?
The price and inventory of R7F701379EAFP-C#BA2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F701379EAFP-C#BA2 is usually 5 days.
3.What payment methods are accepted for R7F701379EAFP-C#BA2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F701379EAFP-C#BA2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F701379EAFP-C#BA2?
R7F701379EAFP-C#BA2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F701379EAFP-C#BA2 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 R7F701379EAFP-C#BA2?
For technical support, including R7F701379EAFP-C#BA2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F701379EAFP-C#BA2 requirements.
6.How does Aetrix verify that R7F701379EAFP-C#BA2 is sourced from the original manufacturer or authorized distributors?
All R7F701379EAFP-C#BA2 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 R7F701379EAFP-C#BA2 meets industry standards.
7.What is the process for return or replacement of R7F701379EAFP-C#BA2?
All R7F701379EAFP-C#BA2 units undergo pre-shipment inspection (PSI). If there is an issue with R7F701379EAFP-C#BA2, 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 R7F701379EAFP-C#BA2 part is unused and in its original packaging.
Return procedure for R7F701379EAFP-C#BA2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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