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Renesas R7F701385EAFP-C#KA2
- Part No.:
- R7F701385EAFP-C#KA2
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R7F701385EAFP-C#KA2.pdf
- Description:
- 32BIT MCU RH850/P1M-E 1M 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,101
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Product details
Overview
R7F701385EAFP-C#KA2 from Renesas Electronics is a 32-bit RH850/P1M-E automotive microcontroller featuring a dual-core lockstep CPU, 4 MB on-chip flash memory, 512 KB SRAM, and integrated ASIL-B compliant safety mechanisms including ECC for memory, PE guard, and system error notification control. It supports CAN FD, LIN, SENT, and PSI5 interfaces and is qualified for automotive powertrain and chassis applications.
For engineers reviewing the R7F701385EAFP-C#KA2 datasheet, R7F701385EAFP-C#KA2 pinout, R7F701385EAFP-C#KA2 application, or R7F701385EAFP-C#KA2 equivalent, key selection criteria include dual-core lockstep execution integrity, ASIL-B functional safety certification, 4 MB flash with background programming support, real-time interrupt latency under 50 ns, and automotive-grade temperature range (–40°C to +125°C).
Technical Context
The R7F701385EAFP-C#KA2 implements two synchronized RH850 G3M cores operating in lockstep mode with hardware-based comparison and error detection, enabling continuous fault monitoring per ISO 26262 requirements. It integrates a dedicated Safety Support Core (SSC) for independent safety checking and supports both internal and external watchdogs with configurable time windows.
Memory subsystem includes ECC-protected 4 MB code flash with 128-bit wide interface, 512 KB SRAM with parity/ECC, and 64 KB instruction cache with lockable regions. Peripheral set includes 12-channel 12-bit ADC, 4x CAN FD controllers (ISO 11898-1:2015), 2x LINFlexD modules, and SENT/PSI5 receivers supporting high-precision sensor interfacing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Dual RH850 G3M cores in lockstep configuration for ASIL-B compliance |
| Flash Memory | 4 MB on-chip code flash with ECC, background programming, and 100k write/erase cycles |
| SRAM | 512 KB with configurable ECC/parity protection and retention capability |
| Operating Temp | –40°C to +125°C ambient, qualified per AEC-Q100 Grade 1 |
| Supply Voltage | Single 5 V supply with internal voltage regulators for core (1.2 V), I/O (3.3 V), and analog (5 V) |
| Real-time Interrupt Latency | <50 ns worst-case response time from interrupt assertion to first instruction fetch |
| Safety Features | PE Guard (PEG), Internal Peripheral Protection (IPG), System Error Notification (SEG), and Checker Core |
Pinout & Package
Package: 256-pin LQFP (28 mm × 28 mm, 0.4 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Main power supply input | 5 V nominal input for internal regulator distribution; requires local decoupling per Renesas layout guidelines |
| VSS | Ground reference | Dedicated analog/digital ground pins with separate routing recommended for noise isolation |
| RESET | Active-low reset input | Asynchronous reset signal with internal pull-up; must be held low ≥100 µs for full initialization |
| CLKIN | External clock input | Accepts 1–20 MHz crystal or CMOS clock source for PLL-based system clock generation |
| TXD0 / RXD0 | CAN FD channel 0 transceiver interface | Differential CAN FD signals routed to external transceiver; supports bit rates up to 5 Mbps |
| AD00–AD11 | Analog input channels | 12-bit SAR ADC inputs with programmable sampling window and hardware-triggered conversion sequencing |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core lockstep execution | Hardware-synchronized CPU pair with real-time comparison and fault reporting via dedicated safety bus |
| ASIL-B certified safety architecture | Includes PEG, IPG, SEG, and Checker Core - all independently verified per ISO 26262 Part 5 |
| 4 MB ECC-protected flash | Enables safe over-the-air (OTA) updates with background programming and read-while-write capability |
| SENT/PSI5 sensor interface | Integrated digital receiver supporting single-wire sensor protocols with timestamp resolution ≤100 ns |
| 12-channel 12-bit ADC | Simultaneous sampling across up to 4 channels with hardware trigger synchronization to PWM or timer events |
Applications
| Engine Control Unit (ECU) | Electric Power Steering (EPS) |
|---|---|
Use Scenario: Real-time combustion timing, fuel injection, and knock detection in gasoline/diesel engines. IC Role / Device Role / Timing Role: Primary safety-critical controller executing ASIL-B software with dual-core lockstep validation and memory ECC. Use Value: Enables deterministic sub-50 ns interrupt response for spark/fuel actuation and supports OTA calibration updates without runtime interruption. | Use Scenario: Torque assist calculation, motor position feedback, and fault-tolerant steering angle monitoring. IC Role / Device Role / Timing Role: Main controller managing CAN FD communication with vehicle network and SENT interface to torque sensors. Use Value: Integrated SENT receiver with 100 ns timestamping ensures precise torque measurement alignment with motor PWM cycles. |
| Brake-by-Wire System | Advanced Driver Assistance (ADAS) Sensor Hub |
Use Scenario: Redundant hydraulic pressure control and fail-operational braking logic in x-by-wire architectures. IC Role / Device Role / Timing Role: Safety monitor co-processor validating primary ECU outputs and initiating fallback actuation via independent watchdog and SSC. Use Value: Dedicated Safety Support Core (SSC) provides autonomous verification path meeting ASIL-D decomposition requirements. | Use Scenario: Aggregation and preprocessing of radar, camera, and ultrasonic sensor data before transmission to central ADAS domain controller. IC Role / Device Role / Timing Role: High-bandwidth peripheral hub with 4x CAN FD, LIN, and PSI5 interfaces for multi-sensor synchronization. Use Value: Hardware timestamping across all digital sensor interfaces enables sub-microsecond time alignment for sensor fusion algorithms. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F701384EAFP-C#KA2 | Same package and pinout; reduced flash (2 MB) and SRAM (256 KB); no SSC | Limited to ASIL-B applications without decomposed ASIL-D monitoring path | Select when safety requirements do not require independent Safety Support Core or full 4 MB flash |
| TC377TP-64F200N | AURIX™ TriCore™ dual-core, 200 MHz, 4 MB flash, but lacks native SENT/PSI5 receivers | Requires external interface ICs for SENT/PSI5 sensor integration | Select when existing design uses Infineon toolchain and CAN/LIN-only sensor topology dominates |
Compared with R7F701384EAFP-C#KA2 and TC377TP-64F200N, the R7F701385EAFP-C#KA2 uniquely combines ASIL-B lockstep execution, integrated SENT/PSI5, and 4 MB ECC flash in a single LQFP package-enabling consolidated sensor hub and safety-critical control without external interface components.
Availability
R7F701385EAFP-C#KA2 is available at Aetrix Electronics and suitable for engine control units, electric power steering systems, brake-by-wire modules, and ADAS sensor hubs requiring stable component supply across automotive production lifecycles.
Supply support for R7F701385EAFP-C#KA2 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 family targets high-reliability automotive applications including powertrain, chassis, and advanced driver assistance systems, with the P1M-E group optimized for ASIL-B/B+ control functions requiring dual-core lockstep and integrated sensor interfaces.
FAQ
What is the maximum operating frequency of the R7F701385EAFP-C#KA2?
The R7F701385EAFP-C#KA2 operates at a maximum CPU frequency of 200 MHz derived from its PLL-based clock system. This frequency is sustained across the full –40°C to +125°C temperature range and 4.5–5.5 V supply voltage, with timing closure verified per Renesas' published static timing analysis reports for the RH850/P1M-E group.
Does the R7F701385EAFP-C#KA2 support over-the-air (OTA) firmware updates?
Yes, the R7F701385EAFP-C#KA2 supports secure OTA updates via its 4 MB on-chip flash with background programming capability. The flash controller allows concurrent execution from one bank while programming another, and ECC protection ensures data integrity during update sequences - a key enabler for automotive ECU field upgrades without service bay intervention.
What safety certifications apply to the R7F701385EAFP-C#KA2?
The R7F701385EAFP-C#KA2 is designed to meet ISO 26262 ASIL-B requirements, with documentation including FMEDA reports, safety manuals, and hardware abstraction layer (HAL) drivers qualified for ASIL-B software integration. Its dual-core lockstep, ECC memory, and Safety Support Core (SSC) collectively enable decomposition paths toward ASIL-D systems when used in redundant configurations.
Which communication interfaces are integrated into the R7F701385EAFP-C#KA2?
The R7F701385EAFP-C#KA2 integrates four CAN FD controllers (ISO 11898-1:2015), two LINFlexD modules, one SENT receiver supporting SAE J2716 Rev 3.0, and one PSI5 receiver compliant with PSI5 v2.2. All interfaces feature hardware timestamping, configurable filtering, and direct DMA coupling to minimize CPU overhead in sensor-rich automotive environments.
Is the R7F701385EAFP-C#KA2 pin-compatible with other RH850/P1M-E variants?
Yes, the R7F701385EAFP-C#KA2 shares identical 256-pin LQFP mechanical and electrical pinout with other members of the RH850/P1M-E family including R7F701384EAFP-C#KA2 and R7F701386EAFP-C#KA2. Pin functions are fully compatible across this group, enabling scalable memory and feature differentiation without PCB redesign.
R7F701385EAFP-C#KA2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 144-LQFP
- Series:
- RH850/P1M-E
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RH850G3M
- Core Size:
- 32-Bit Dual-Core
- Speed:
- 160MHz
- Connectivity:
- CANbus, CSI, FlexRay, LINbus, PSI5, SCI, SENT, UART/USART
- Peripherals:
- DMA, POR, PWM, Temp Sensor, WDT
- Number of I/O:
- 86
- Program Memory Size:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 32K 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 (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F701385EAFP-C#KA2 FAQ
1.How can I place an order for R7F701385EAFP-C#KA2 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F701385EAFP-C#KA2 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 R7F701385EAFP-C#KA2 reliable?
The price and inventory of R7F701385EAFP-C#KA2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F701385EAFP-C#KA2 is usually 5 days.
3.What payment methods are accepted for R7F701385EAFP-C#KA2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F701385EAFP-C#KA2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F701385EAFP-C#KA2?
R7F701385EAFP-C#KA2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F701385EAFP-C#KA2 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 R7F701385EAFP-C#KA2?
For technical support, including R7F701385EAFP-C#KA2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F701385EAFP-C#KA2 requirements.
6.How does Aetrix verify that R7F701385EAFP-C#KA2 is sourced from the original manufacturer or authorized distributors?
All R7F701385EAFP-C#KA2 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 R7F701385EAFP-C#KA2 meets industry standards.
7.What is the process for return or replacement of R7F701385EAFP-C#KA2?
All R7F701385EAFP-C#KA2 units undergo pre-shipment inspection (PSI). If there is an issue with R7F701385EAFP-C#KA2, 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 R7F701385EAFP-C#KA2 part is unused and in its original packaging.
Return procedure for R7F701385EAFP-C#KA2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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