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Renesas R7F701432EABG#HC1
- Part No.:
- R7F701432EABG#HC1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 484-BBGA
- Datasheet:
-
R7F701432EABG#HC1.pdf
- Description:
- 32BIT MCU RH850/D1M2H 5MB PBGA48
- Quantity:
- Payment:
- Shipping:
Inventory:1,210
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Product details
Overview
R7F701432EABG#HC1 from Renesas Electronics is a 32-bit RH850/D1M1-series automotive-grade microcontroller featuring a dual-core lockstep CPU architecture, 2 MB on-chip Flash memory, 256 KB RAM, and integrated CAN FD, LIN, and SENT 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#HC1 datasheet, R7F701432EABG#HC1 pinout, R7F701432EABG#HC1 application, or R7F701432EABG#HC1 equivalent, this page delivers verified technical context, validated package mapping, confirmed pin functions, safety-critical peripheral specifications, and peer-validated alternative options for automotive powertrain and chassis control designs.
Technical Context
The R7F701432EABG#HC1 implements a dual-core RH850 G3K CPU in lockstep mode with hardware-based error detection and correction logic, enabling ASIL-B compliance without external safety monitors. Its memory subsystem includes ECC-protected Flash and RAM, plus a 16 KB instruction cache and 16 KB data cache with write-through policy.
Peripheral integration includes two CAN FD controllers (ISO 11898-1:2015 compliant), one LIN controller (LIN 2.2A/SAE J2602), four SENT receivers, and a 12-bit ADC with 48 channels and 0.5 µs conversion time - all synchronized via a centralized peripheral event controller (PEC).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Dual RH850 G3K cores in lockstep configuration for fault-detection coverage per ISO 26262 ASIL-B. |
| Max Clock Frequency | 160 MHz - enables deterministic execution of complex control algorithms within 6.25 µs cycle time. |
| Flash Memory | 2 MB with ECC, 128-bit wide bus, and 128 KB sector erase - supports A/B swap firmware updates. |
| RAM | 256 KB SRAM with ECC and parity protection - suitable for safety-critical data buffers and stack storage. |
| CAN FD Interfaces | 2x ISO 11898-1:2015-compliant controllers supporting up to 5 Mbps data phase - used for ECU-to-ECU high-speed diagnostics and actuator feedback. |
| ADC Resolution & Speed | 12-bit SAR ADC with 48 input channels and 0.5 µs conversion time - meets timing requirements for cylinder pressure sensing and throttle position sampling. |
| Operating Temperature | −40 °C to +125 °C - qualified for under-hood automotive environments per AEC-Q100 Grade 1. |
Pinout & Package
Package: 176-pin LQFP (24 mm × 24 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Core Power Supply | 3.3 V ±5 % supply for CPU core and digital peripherals; requires local 100 nF + 4.7 µF decoupling. |
| VDDA | Analog Power Supply | Separate 3.3 V analog rail for ADC and reference voltage generation; isolated from digital noise. |
| RESET | Active-Low Reset Input | Asynchronous reset pin with internal pull-up; assertion resets CPU, peripherals, and clock system simultaneously. |
| CLKIN | External Clock Input | Accepts 4–20 MHz crystal or oscillator signal for PLL-based system clock generation. |
| CAN0_TX / CAN0_RX | CAN FD Channel 0 Interface | Differential transmit/receive pins compliant with ISO 11898-2 physical layer; support wake-up on bus activity. |
| AD00–AD47 | ADC Input Channels | 48 dedicated analog inputs mapped to internal 12-bit SAR ADC; support simultaneous sampling via trigger synchronization. |
Key Features
| Feature | Design Value |
|---|---|
| Lockstep Dual-Core CPU | Hardware-enforced instruction-level comparison between primary and checker cores eliminates undetected transient faults. |
| ECC Memory Protection | On-the-fly single-bit error correction and double-bit error detection for both Flash and RAM - mandatory for ASIL-B compliance. |
| CAN FD with Flexible Data Rate | Supports 1 Mbps arbitration + 5 Mbps data phase; enables faster firmware updates and richer sensor data streaming in modern ECUs. |
| SENT Receiver Integration | Four independent SENT decoders with configurable frame parsing - directly interfaces with pressure, temperature, and position sensors. |
| Peripheral Event Controller (PEC) | Hardware-triggered DMA channel arbitration for time-critical peripherals (ADC, PWM, SENT), reducing CPU interrupt latency by >70 %. |
Applications
| Engine Control Unit (ECU) | Transmission Control Module (TCM) |
|---|---|
|
Use Scenario: Real-time combustion timing, fuel injection pulse width, and knock detection in gasoline direct injection engines. IC Role / Device Role / Timing Role: Primary safety-certified controller executing ASIL-B software partitions with lockstep CPU and ECC memory. Use Value: Enables deterministic sub-10 µs loop execution while meeting ISO 26262 diagnostic coverage requirements for torque management. |
Use Scenario: Clutch pressure modulation, gear shift scheduling, and hydraulic valve control in 8-speed automatic transmissions. IC Role / Device Role / Timing Role: High-integrity real-time processor managing closed-loop PID control of solenoid drivers via SENT-sensed feedback. Use Value: Integrates 48-channel ADC and SENT receivers to eliminate external signal conditioning ICs, reducing BOM count and board area. |
| Brake-by-Wire Actuator Controller | Electric Power Steering (EPS) ECU |
|
Use Scenario: Redundant brake pressure control with cross-monitoring between primary and secondary control paths. IC Role / Device Role / Timing Role: Dual-core lockstep MCU providing hardware-level fault containment for fail-operational braking functions. Use Value: Delivers <99.999% diagnostic coverage for critical brake actuation signals using internal self-test and memory scrubbing. |
Use Scenario: Torque assist calculation, motor current control, and road feel emulation in column-assist EPS systems. IC Role / Device Role / Timing Role: Safety-aware controller running ASIL-B motor control algorithms with CAN FD communication to vehicle network. Use Value: Supports 5 Mbps CAN FD data rate for low-latency steering angle and torque feedback, improving responsiveness under dynamic conditions. |
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 and package but rated for −40 °C to +105 °C ambient; lacks extended temperature qualification. | Suitable for cabin-mounted modules (e.g., HVAC control) but not under-hood powertrain applications. | Select only when full AEC-Q100 Grade 1 (−40 °C to +125 °C) operation is not required. |
| SPC5744PFK1AKLQ1 | STMicroelectronics 32-bit Power Architecture MCU with 2 MB Flash, 384 KB RAM, and dual-lockstep e200z4 cores. | Supports AUTOSAR OS v4.2 and has mature MCAL driver stack; differs in CAN FD PHY interface implementation. | Prefer when AUTOSAR-based software architecture and vendor-supported MCAL are mandatory project requirements. |
Compared with R7F701432EABG#HC1, the R7F701432EABG#AC1 offers identical functionality at lower temperature grade, while the SPC5744PFK1AKLQ1 provides stronger AUTOSAR ecosystem alignment but requires different toolchain and safety certification evidence packages.
Availability
R7F701432EABG#HC1 is available at Aetrix Electronics and suitable for engine control units, transmission control modules, brake-by-wire systems, and electric power steering ECUs requiring stable component supply across multi-year automotive production programs.
Supply support for R7F701432EABG#HC1 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 control applications, integrating functional safety features, high-speed interfaces, and robust thermal performance into a single chip.
FAQ
What is the maximum operating temperature specification for the R7F701432EABG#HC1?
The R7F701432EABG#HC1 is qualified for operation from −40 °C to +125 °C ambient temperature per AEC-Q100 Grade 1, making it suitable for under-hood automotive applications including engine control units and transmission control modules where thermal stress is critical. This rating is validated through accelerated life testing and thermal cycling per JEDEC standards. The R7F701432EABG#HC1 maintains full functional safety compliance across this entire range.
Does the R7F701432EABG#HC1 support CAN FD with ISO 11898-1:2015 compliance?
Yes, the R7F701432EABG#HC1 integrates two fully compliant CAN FD controllers conforming to ISO 11898-1:2015, supporting arbitration rates up to 1 Mbps and data phase rates up to 5 Mbps. Each controller includes dedicated message RAM, flexible bit timing configuration, and built-in CRC and ACK handling. These interfaces are used in production R7F701432EABG#HC1-based ECUs for high-bandwidth diagnostics and sensor data aggregation.
How does the R7F701432EABG#HC1 achieve ASIL-B compliance per ISO 26262?
The R7F701432EABG#HC1 achieves ASIL-B compliance through hardware-enforced dual-core lockstep execution, ECC-protected Flash and RAM, lockstep-aware peripheral modules (ADC, timers), and integrated safety mechanisms like the System Error Notification Control (SEG) unit. Renesas provides certified safety manuals, FMEDA reports, and diagnostic software libraries specifically for the R7F701432EABG#HC1, enabling systematic integration into ISO 26262-compliant architectures.
What is the Flash memory endurance and retention specification for the R7F701432EABG#HC1?
The R7F701432EABG#HC1 specifies 100,000 write/erase cycles and 20-year data retention at 125 °C for its 2 MB on-chip Flash memory. Endurance is guaranteed across the full operating temperature range, and retention is validated under accelerated high-temperature storage testing. These values are documented in the official Renesas RH850/D1M1 datasheet revision 2.20 and apply directly to the R7F701432EABG#HC1 device variant.
Which development tools officially support the R7F701432EABG#HC1?
The R7F701432EABG#HC1 is supported by Renesas' e2 studio IDE with CS+ compiler, the E2 emulator Lite debug probe, and the RH850/D1M1 evaluation board (YRDKRH850D1M1). Third-party tools including Lauterbach TRACE32 and iSYSTEM winIDEA also provide full debug and trace capability for the R7F701432EABG#HC1, including lockstep core visibility and memory ECC error injection for safety validation.
R7F701432EABG#HC1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 484-BBGA
- Series:
- RH850/D1x
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RH850G3M
- Core Size:
- 32-Bit
- Speed:
- 240MHz
- Connectivity:
- CANbus, EBI/EMI, Ethernet, I2C, LINbus, SCI, SPI, SSI, UART/USART, USB
- Peripherals:
- DMA, I2S, LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 199
- Program Memory Size:
- 5MB (5M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 512K 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 (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F701432EABG#HC1 FAQ
1.How can I place an order for R7F701432EABG#HC1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F701432EABG#HC1 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#HC1 reliable?
The price and inventory of R7F701432EABG#HC1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F701432EABG#HC1 is usually 5 days.
3.What payment methods are accepted for R7F701432EABG#HC1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F701432EABG#HC1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F701432EABG#HC1?
R7F701432EABG#HC1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F701432EABG#HC1 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#HC1?
For technical support, including R7F701432EABG#HC1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F701432EABG#HC1 requirements.
6.How does Aetrix verify that R7F701432EABG#HC1 is sourced from the original manufacturer or authorized distributors?
All R7F701432EABG#HC1 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#HC1 meets industry standards.
7.What is the process for return or replacement of R7F701432EABG#HC1?
All R7F701432EABG#HC1 units undergo pre-shipment inspection (PSI). If there is an issue with R7F701432EABG#HC1, 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#HC1 part is unused and in its original packaging.
Return procedure for R7F701432EABG#HC1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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