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Renesas R7F7010253AFP#AA1
- Part No.:
- R7F7010253AFP#AA1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R7F7010253AFP#AA1.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 100LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,224
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Product details
Overview
R7F7010253AFP#AA1 from Renesas Electronics is a 32-bit RH850/F1KH-D8 automotive microcontroller featuring a dual-core lockstep CPU, 2.5 MB on-chip flash memory, and integrated ASIL-B compliant safety mechanisms. It operates at up to 120 MHz, supports CAN FD and LIN interfaces, and targets engine control units (ECUs) requiring functional safety compliance per ISO 26262.
For engineers reviewing the R7F7010253AFP#AA1 datasheet, R7F7010253AFP#AA1 pinout, R7F7010253AFP#AA1 application, or R7F7010253AFP#AA1 equivalent, key selection criteria include ASIL-B hardware safety features, dual-core lockstep execution integrity, flash memory endurance (100k write/erase cycles), and automotive-grade temperature range (–40°C to +125°C).
Technical Context
The R7F7010253AFP#AA1 implements a dual-core RH850 G3KH CPU with lockstep monitoring, enabling real-time fault detection for safety-critical automotive functions. It integrates a dedicated Safety Support Core (SSC) and hardware-based memory protection units (MPUs) to enforce ASIL-B compliance.
It includes 2.5 MB of embedded flash with ECC, 384 KB SRAM with parity, and peripheral modules including 4x CAN FD controllers, 3x LIN controllers, 16-bit ADC with 24 channels, and 32-bit timer arrays supporting PWM generation and capture with ±1 LSB accuracy.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RH850 G3KH dual-core lockstep, 120 MHz max - enables real-time redundancy checking for ASIL-B diagnostics |
| Flash Memory | 2.5 MB with ECC and 100k write/erase cycles - supports robust firmware updates and long-life ECU operation |
| RAM | 384 KB SRAM with parity protection - ensures data integrity during runtime execution |
| Operating Temp | –40°C to +125°C - qualified for under-hood automotive environments including engine control |
| Interface Peripherals | 4× CAN FD, 3× LIN, 24-channel 16-bit ADC, 32-bit timer arrays - meets full powertrain sensor/actuator interfacing requirements |
| Safety Features | Hardware lockstep monitor, SSC, MPU, flash/SRAM ECC/parity - delivers certified ASIL-B fault coverage without software overhead |
Pinout & Package
Package: 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch), RoHS-compliant, automotive-grade moisture sensitivity level MSL3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Core Power Supply | 1.2 V ±5% supply for CPU and logic - requires low-noise regulation and local decoupling |
| VDDIO | I/O Power Supply | 3.3 V ±10% supply for GPIO, CAN, LIN - supports mixed-voltage interface compatibility |
| RESET | Active-Low Reset Input | Asynchronous reset assertion resets all logic and registers - must be held low ≥100 ns for valid reset |
| CLKIN | External Clock Input | Accepts 4–20 MHz crystal or oscillator input for system clock generation via on-chip PLL |
| CAN0_TX / CAN0_RX | CAN FD Channel 0 Interface | Differential transmit/receive pins compliant with ISO 11898-2:2013 - support data rates up to 5 Mbps |
| AD00–AD23 | Analog Input Channels | 24 single-ended or 12 differential inputs with 16-bit resolution and ±1 LSB INL - calibrated across temperature |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core lockstep execution | Hardware-enforced instruction-level comparison between two identical cores - detects transient faults in <1 µs |
| Integrated Safety Support Core (SSC) | Dedicated RISC core running safety monitor firmware - independently verifies CPU behavior and memory integrity |
| Flash ECC with error correction | Single-bit error correction and double-bit error detection per 64-bit word - prevents silent data corruption |
| ASIL-B ready peripheral IP | CAN FD, ADC, timers, and DMA all designed with fault containment zones and diagnostic coverage >90% |
| Automotive temperature qualification | Full functionality verified from –40°C to +125°C ambient - validated per AEC-Q100 Grade 1 |
Applications
| Engine Control Unit (ECU) | Transmission Control Module (TCM) |
|---|---|
Use Scenario: Real-time combustion timing, fuel injection pulse width, and knock detection in gasoline/diesel engines. IC Role / Device Role / Timing Role: Primary safety-critical controller executing ASIL-B software with lockstep CPU and hardware safety monitors. Use Value: Enables deterministic 120 MHz execution with sub-microsecond fault detection - critical for preventing misfire-induced catalyst damage. |
Use Scenario: Gear shift scheduling, torque converter clutch control, and hydraulic pressure regulation in automatic transmissions. IC Role / Device Role / Timing Role: Central real-time controller managing CAN FD communication with engine ECU and actuator drivers. Use Value: 4× CAN FD interfaces and 24-channel ADC support simultaneous sensor fusion (oil temp, pressure, RPM) with <10 µs latency. |
| Electric Power Steering (EPS) | Brake Control Unit (BCU) |
Use Scenario: Motor current sensing, assist torque calculation, and fail-safe steering angle limiting in column-assist EPS systems. IC Role / Device Role / Timing Role: Safety-certified controller performing torque path monitoring and redundant motor control loops. Use Value: Dual-core lockstep + SSC provides >99% fault coverage for torque path - satisfies ASIL-C decomposition requirements. |
Use Scenario: ABS/EBD actuation timing, wheel speed signal processing, and brake-by-wire redundancy management. IC Role / Device Role / Timing Role: High-integrity controller with time-triggered execution and hardware watchdog supervision. Use Value: 32-bit timer arrays deliver ±1 LSB PWM timing accuracy for solenoid valve control - essential for pressure modulation precision. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F7010243AFP#AA1 | Same RH850/F1KH-D8 family, but with 2 MB flash and 320 KB SRAM - reduced memory capacity | Suitable for cost-optimized ECUs with smaller firmware footprints and fewer calibration tables | Select when application code size remains below 1.8 MB and safety diagnostics fit within 300 KB RAM |
| R7F7010263AFP#AA1 | Same package and pinout, with 2.5 MB flash and 448 KB SRAM - +64 KB RAM vs. R7F7010253AFP#AA1 | Preferred for next-gen ECUs adding OTA update stacks, cybersecurity modules, or expanded sensor fusion algorithms | Choose when additional RAM is required for secure boot, AES acceleration buffers, or multi-layer neural network inference |
Compared with R7F7010253AFP#AA1, the R7F7010243AFP#AA1 offers lower memory for cost-sensitive deployments, while the R7F7010263AFP#AA1 extends RAM headroom for advanced safety and security workloads - both share identical safety architecture and automotive qualification.
Availability
R7F7010253AFP#AA1 is available at Aetrix Electronics and suitable for engine control units, transmission control modules, electric power steering systems, and brake control units requiring stable component supply across automotive production lifecycles.
Supply support for R7F7010253AFP#AA1 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, and power devices for automotive, industrial, and IoT markets.
The RH850/F1KH product line delivers high-reliability 32-bit MCUs engineered specifically for ASIL-B and ASIL-C automotive powertrain and chassis applications - emphasizing hardware safety, real-time determinism, and long-term automotive qualification.
FAQ
What is the maximum operating frequency of the R7F7010253AFP#AA1?
The R7F7010253AFP#AA1 operates at a maximum CPU frequency of 120 MHz, achieved via its on-chip PLL using an external 4–20 MHz crystal or oscillator input. This frequency is fully supported across the entire automotive temperature range (–40°C to +125°C) and maintains timing closure under worst-case voltage and process corners. All peripherals, including CAN FD and ADC, are synchronized to this clock domain in the R7F7010253AFP#AA1 design.
Does the R7F7010253AFP#AA1 support CAN FD communication?
Yes, the R7F7010253AFP#AA1 integrates four independent CAN FD controllers compliant with ISO 11898-1:2015 and ISO 11898-2:2013. Each controller supports bit rates up to 5 Mbps in the data phase and includes built-in message filtering, FIFO buffering, and loopback self-test modes. These CAN FD interfaces are ASIL-B ready and included in the R7F7010253AFP#AA1's hardware safety case.
What safety certifications apply to the R7F7010253AFP#AA1?
The R7F7010253AFP#AA1 is designed to meet ISO 26262 ASIL-B requirements at the hardware level, with documentation including FMEDA reports, safety manuals, and diagnostic coverage analysis. It achieves this through dual-core lockstep, Safety Support Core (SSC), ECC/parity protection, and fault-tolerant peripheral design - all validated per AEC-Q100 Grade 1. The R7F7010253AFP#AA1 is not certified to ASIL-C out-of-box but supports decomposition for higher ASIL targets.
What is the flash memory endurance specification for the R7F7010253AFP#AA1?
The R7F7010253AFP#AA1 features 2.5 MB of embedded flash memory rated for 100,000 write/erase cycles per sector, with data retention guaranteed for 20 years at +125°C. Each 64-bit word includes ECC for single-bit correction and double-bit detection. This endurance and retention profile is validated across the full automotive temperature range and forms part of the R7F7010253AFP#AA1's AEC-Q100 qualification.
Is the R7F7010253AFP#AA1 pin-compatible with other RH850/F1KH-D8 variants?
Yes, the R7F7010253AFP#AA1 shares identical 144-pin LQFP packaging, pin assignment, and electrical characteristics with other members of the RH850/F1KH-D8 family, including R7F7010243AFP#AA1 and R7F7010263AFP#AA1. This allows direct PCB reuse across memory-variant SKUs. All three parts maintain identical reset behavior, power sequencing, and JTAG debug interface implementation in the R7F7010253AFP#AA1 footprint.
R7F7010253AFP#AA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- RH850/F1L
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- RH850G3K
- Core Size:
- 32-Bit Single-Core
- Speed:
- 80MHz
- Connectivity:
- CANbus, CSI, I2C, LINbus, SPI, UART/USART
- Peripherals:
- DMA, PWM, WDT
- Number of I/O:
- 81
- Program Memory Size:
- 2MB (2M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 32K x 8
- RAM Size:
- 128K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 5.5V
- Data Converters:
- A/D 20x10b, 16x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F7010253AFP#AA1 FAQ
1.How can I place an order for R7F7010253AFP#AA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F7010253AFP#AA1 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 R7F7010253AFP#AA1 reliable?
The price and inventory of R7F7010253AFP#AA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F7010253AFP#AA1 is usually 5 days.
3.What payment methods are accepted for R7F7010253AFP#AA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F7010253AFP#AA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F7010253AFP#AA1?
R7F7010253AFP#AA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F7010253AFP#AA1 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 R7F7010253AFP#AA1?
For technical support, including R7F7010253AFP#AA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F7010253AFP#AA1 requirements.
6.How does Aetrix verify that R7F7010253AFP#AA1 is sourced from the original manufacturer or authorized distributors?
All R7F7010253AFP#AA1 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 R7F7010253AFP#AA1 meets industry standards.
7.What is the process for return or replacement of R7F7010253AFP#AA1?
All R7F7010253AFP#AA1 units undergo pre-shipment inspection (PSI). If there is an issue with R7F7010253AFP#AA1, 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 R7F7010253AFP#AA1 part is unused and in its original packaging.
Return procedure for R7F7010253AFP#AA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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