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The R7F701386EAFP high-end automotive microcontroller is designed with a 40nm process and supports multiple power-saving modes (such as DeepSTOP and LPS), meeting the strict energy efficiency requirements of automotive electronic control units (ECUs). This chip belongs to the ‌ RH850/P1M-E series, specifically designed for electric power steering systems, and supports CAN-FD communication standard.

Main specifications

Core processor: G3M

Kernel specification: 32-bit

Speed: 160MHz

Connection capabilities: CANbus, CSI, FlexRay, LINbus, PSI5, SCI, UART/USART

Peripherals: DMA, temperature sensor, WDT

I/O count: 86

Program storage capacity: 1MB (1M x 8)

Program memory type: Flash memory

EEPROM capacity: 32K x 8

RAM size: 192K x 8

Voltage - Power supply (Vcc/Vdd) : 3V to 5.5V

Data converter: A/D 24x12b

Oscillator type: Internal

Operating temperature: -40°C to 150°C

Installation type: Surface mount type

Package: 144-LFQFP (20x20)

Application field

The R7F701386EAFP is designed to comply with the ASIL-D security level. It is equipped with built-in CPU lockstep function, error correction code (ECC), and built-in self-diagnostic loop (BIST), among other mechanisms, to ensure system stability. R7F701386EAFP is widely used in electric power steering systems. It realizes intelligent management of the steering system through high-precision control algorithms, enhancing driving safety and handling.

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