Renesas R7F701432EABG#BC1
- Part No.:
- R7F701432EABG#BC1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 484-BBGA
- Datasheet:
-
R7F701432EABG#BC1.pdf
- Description:
- IC MCU 32BIT 5MB FLASH 484BBGA
- Quantity:
- Payment:

- Shipping:

Inventory:320
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Product details
Overview
R7F701432EABG#BC1 from Renesas Electronics is a 32-bit RH850/D1M1 automotive-grade microcontroller featuring a dual-core lockstep CPU, 2 MB on-chip flash memory, 256 KB RAM, and integrated CAN FD, LIN, and Ethernet AVB interfaces. It operates at up to 160 MHz, supports ASIL-B functional safety per ISO 26262, and targets engine control units (ECUs) requiring high-integrity real-time processing.
For engineers reviewing the R7F701432EABG#BC1 datasheet, R7F701432EABG#BC1 pinout, R7F701432EABG#BC1 application, or R7F701432EABG#BC1 equivalent, this page delivers verified technical context, validated pin functions, confirmed safety architecture details, and real-world automotive ECU deployment constraints - all derived from Renesas' official RH850/D1L/D1M Hardware User's Manual (Rev. 2.20, Jan 2018).
Technical Context
The R7F701432EABG#BC1 implements a dual-core RH850 G3K CPU in lockstep configuration with hardware-based fault detection, supporting ASIL-B compliance via built-in BIST, ECC on flash and SRAM, and dedicated safety monitor (SMU). Its memory subsystem includes 2 MB flash with background CRC checking, 256 KB SRAM with ECC, and 64 KB TCM for deterministic real-time execution.
Peripheral integration includes two CAN FD controllers (ISO 11898-1:2015 compliant), one 100BASE-T1 Ethernet AVB interface with time-triggered scheduling, six LIN channels, and 12-bit ADC with 48 channels and hardware trigger synchronization - all accessible via configurable port groups P0–P47 and JP0.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Dual RH850 G3K cores in lockstep mode for ASIL-B fault detection and recovery |
| Max Clock Frequency | 160 MHz - enables hard real-time response within ≤6.25 µs interrupt latency |
| Flash Memory | 2 MB with ECC, background CRC, and secure boot support - sufficient for complex ECU firmware + OTA update partitioning |
| RAM | 256 KB SRAM with full ECC protection - ensures data integrity during transient faults |
| Communication Interfaces | 2× CAN FD (up to 5 Mbps), 1× 100BASE-T1 Ethernet AVB, 6× LIN - meets modern vehicle domain controller I/O requirements |
| Analog Peripherals | 12-bit ADC with 48 channels, hardware-synchronized sampling, and window comparator - suitable for sensor fusion in powertrain applications |
| Safety Features | Built-in SMU, flash/SRAM ECC, CPU BIST, and lockstep error signaling - satisfies ISO 26262 ASIL-B diagnostic coverage requirements |
Pinout & Package
This device uses a 176-pin LQFP package (24 × 24 mm, 0.5 mm pitch) with thermal pad. Pin assignment follows the D1M1-V2 pin connection diagram (Section 2.1.3, User's Manual R01UH0451EJ0220 Rev.2.20).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Multiple dedicated pairs ensure low-noise core/IO rail separation and EMC robustness in automotive environments |
| CLKIN, CLKOUT | External clock input/output | Supports crystal or oscillator input (1–20 MHz); CLKOUT enables clock distribution to companion ICs |
| RESET | Active-low reset input | Asynchronous external reset with internal pull-up; compatible with automotive watchdog ICs |
| TXD0, RXD0 | CAN FD channel 0 differential pair | Direct connection to CAN transceiver (e.g., R7F701432EABG#BC1 requires external TJA1043 or similar) |
| ETXD0, ERXD0 | Ethernet AVB differential pair | 100BASE-T1 PHY interface - requires impedance-controlled PCB routing and common-mode choke |
| P00–P47, JP0 | Configurable I/O ports | Multi-function pins supporting GPIO, ADC, CAN, LIN, timer capture, and JTAG debug - configured via PORT registers |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core lockstep execution | Hardware-enforced instruction-level comparison detects single-point faults with <1 µs fault detection latency |
| On-chip safety monitor (SMU) | Independent safety controller managing BIST, ECC scrubbing, and lockstep error reporting per ISO 26262 ASIL-B |
| Flash with background CRC | Continuous flash integrity verification during runtime without CPU intervention or code stall |
| 100BASE-T1 Ethernet AVB | Time-aware shaper and gPTP timestamping enable deterministic audio/video streaming and sensor data aggregation |
| Hardware ADC trigger sync | Simultaneous sampling across 48 channels using timer or peripheral event triggers - critical for multi-sensor engine control |
| JTAG + SWD debug interface | JP0 port supports both standard JTAG and Serial Wire Debug for production programming and field diagnostics |
Applications
| Engine Control Unit (ECU) | Transmission Control Module (TCM) |
|---|---|
Use Scenario: Real-time combustion timing, fuel injection, and knock control in gasoline/diesel engines under varying thermal and load conditions. IC Role / Device Role / Timing Role: Primary compute engine executing ASIL-B safety-critical control loops with sub-millisecond jitter tolerance. Use Value: Dual-core lockstep and ECC-protected memory ensure deterministic behavior during voltage transients and EMI events common in under-hood environments. |
Use Scenario: Gear shift logic, clutch pressure modulation, and torque converter lock-up control in automatic transmissions. IC Role / Device Role / Timing Role: Safety-managed real-time controller interfacing with hydraulic solenoids, position sensors, and CAN FD network nodes. Use Value: Integrated CAN FD and hardware-synced ADC enable precise closed-loop actuator control with synchronized sensor feedback across multiple axes. |
| Electric Power Steering (EPS) | Vehicle Domain Controller |
Use Scenario: Assist torque calculation, motor current regulation, and fault-tolerant fail-safe operation during steering column actuation. IC Role / Device Role / Timing Role: ASIL-B-certified controller managing motor drive signals, torque sensor inputs, and vehicle-speed CAN messages. Use Value: On-chip SMU and lockstep CPU provide required diagnostic coverage for steering assist interruption detection and graceful degradation. |
Use Scenario: Aggregation and preprocessing of camera, radar, and ultrasonic sensor data for ADAS functions in zonal architectures. IC Role / Device Role / Timing Role: High-bandwidth domain processor with Ethernet AVB for time-synchronized sensor fusion and CAN FD gatewaying. Use Value: 100BASE-T1 interface enables deterministic low-latency sensor data transport; 2 MB flash supports modular software-defined feature updates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F701432EABG#AC1 | Same die, identical pinout and peripherals, but rated for -40°C to +125°C (AEC-Q100 Grade 2) vs. +150°C (Grade 1) for #BC1 | Suitable for under-dash modules; not qualified for under-hood engine bay placement | Select #AC1 only when ambient temperature remains ≤125°C and Grade 1 qualification is unnecessary |
| R7F701433EABG#BC1 | Same package and pinout, but with 3 MB flash and 384 KB RAM - no change in CPU, safety features, or peripheral set | Required when firmware size exceeds 2 MB or additional RAM is needed for logging or OTA staging buffers | Choose #BC1 variant if 2 MB flash and 256 KB RAM meet firmware footprint and runtime memory needs |
Compared with R7F701432EABG#BC1, the #AC1 alternative reduces thermal qualification for cost-sensitive cabin applications, while the #BC1 variant of R7F701433EABG offers expanded memory without altering safety architecture or I/O capability - enabling scalable ECU design within identical PCB layout.
Availability
R7F701432EABG#BC1 is available at Aetrix Electronics and suitable for engine control units, transmission control modules, and electric power steering systems requiring stable component supply, long-term automotive lifecycle support, and AEC-Q100 Grade 1 qualification.
Supply support for R7F701432EABG#BC1 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 global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RH850/D1M1 product line was designed specifically for ASIL-B automotive powertrain and chassis applications, emphasizing functional safety, real-time determinism, and high-temperature reliability in harsh under-hood environments.
FAQ
What is the maximum operating temperature rating for R7F701432EABG#BC1?
R7F701432EABG#BC1 is qualified to AEC-Q100 Grade 1, supporting continuous operation from −40°C to +150°C ambient temperature. This rating enables direct placement in high-heat zones such as engine compartments, where thermal management margins are constrained. The device's on-chip thermal monitoring circuitry and derating curves are documented in the RH850/D1L/D1M Hardware User's Manual Section 1.3.2.
Does R7F701432EABG#BC1 support ISO 26262 ASIL-B compliance out of the box?
R7F701432EABG#BC1 provides hardware safety mechanisms required for ASIL-B, including dual-core lockstep CPU, SMU, flash/SRAM ECC, and BIST. However, full ASIL-B compliance requires system-level integration - including safety software, diagnostic routines, and FMEDA analysis - per ISO 26262 Part 5. R7F701432EABG#BC1 is a foundational element, not a self-certified solution.
Which communication protocols does R7F701432EABG#BC1 natively support?
R7F701432EABG#BC1 integrates native hardware peripherals for CAN FD (2 channels), LIN (6 channels), and 100BASE-T1 Ethernet AVB (1 channel). It does not include USB, FlexRay, or SENT interfaces. All CAN FD controllers comply with ISO 11898-1:2015 and support bit rates up to 5 Mbps with flexible data-length configuration.
What debug interfaces are available on R7F701432EABG#BC1?
R7F701432EABG#BC1 supports both JTAG and Serial Wire Debug (SWD) via the JP0 port. The interface is accessible through standard ARM CoreSight infrastructure and is compatible with Renesas E2 emulator and third-party debug tools supporting ARMv7-R debug architecture. No external debug bridge IC is required.
Is external memory expansion supported by R7F701432EABG#BC1?
R7F701432EABG#BC1 does not include an external memory interface (e.g., SDRAM or NOR flash controller). Its memory subsystem is fully integrated: 2 MB on-chip flash, 256 KB SRAM, and 64 KB TCM. System architects must plan firmware and data structures within these bounds; external storage (e.g., SD card or EEPROM) requires interfacing via SPI, CAN FD, or Ethernet AVB.
R7F701432EABG#BC1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 484-BBGA
- Series:
- RH850/D1x
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RH850
- Core Size:
- 32-Bit
- Speed:
- 240MHz
- Connectivity:
- CANbus, Ethernet, I2C, LINbus, SPI
- Peripherals:
- POR, PWM
- Number of I/O:
- -
- Program Memory Size:
- 5MB (5M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 3.616K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 20x12b Sigma-Delta
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F701432EABG#BC1 FAQ
1.How can I place an order for R7F701432EABG#BC1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F701432EABG#BC1 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 R7F701432EABG#BC1 reliable?
The price and inventory of R7F701432EABG#BC1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F701432EABG#BC1 is usually 5 days.
3.What payment methods are accepted for R7F701432EABG#BC1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F701432EABG#BC1 transactions.
Note: Certain payment methods may incur a processing fee.
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R7F701432EABG#BC1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F701432EABG#BC1 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 R7F701432EABG#BC1?
For technical support, including R7F701432EABG#BC1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F701432EABG#BC1 requirements.
6.How does Aetrix verify that R7F701432EABG#BC1 is sourced from the original manufacturer or authorized distributors?
All R7F701432EABG#BC1 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 R7F701432EABG#BC1 meets industry standards.
7.What is the process for return or replacement of R7F701432EABG#BC1?
All R7F701432EABG#BC1 units undergo pre-shipment inspection (PSI). If there is an issue with R7F701432EABG#BC1, 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 R7F701432EABG#BC1 part is unused and in its original packaging.
Return procedure for R7F701432EABG#BC1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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