DF36037HV

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DF36037HV Application Field and Working Principle

DF36037HV is a high-performance automotive single-chip microcontroller developed by Beijing Microchip Times Technology Co., Ltd., belonging to the embedded-microcontrollers category. It is designed for automotive applications, including Computer Automotive Network Control Unit (CAN-CU) and Motor Control Unit. Due to its low power consumption, robustness, and a wide range of functionalities, the DF36037HV is well-suited for multiple uses, such as control of engine speed, managing airbags, motor and air conditioning control, as well as fuel consumption. Moreover, it has a built-in watchdog function to protect the entire system from potential errors that might occur.

Performance

DF36037HV comprises two core processors, one is a main processor and the other is an auxiliary processor. Both processors have an 8-bit data bus and 32-bit address bus. The main processor runs with a core-clock frequency of up to 136 MHz, and its instruction set supports ARMv5TE and Thumb-2 instruction set architectures, so that it can access various types of memory and peripheral devices. Furthermore, the auxiliary processor features an 8-bit data bus and 8-bit address bus, a 16bit instruction set and a core-clock frequency of 13 MHz, enabling fast and efficient program execution.

Internal RAM and ROM

The DF36037HV contains 128 KB internal RAM and 512 KB internal ROM, allowing large-scale program storage and implementation of complex operations. Moreover, it has an onboard EEPROM to store user-set parameters and system configurations, enabling it to quickly restore the data in the event of a power failure. External memory expansion is also possible using an external serial interface.

Peripheral Interfaces

The DF36037HV includes multiple onboard peripheral interfaces, such as 2 UARTs, 2 CAN bus controllers, 5 SPI, 2 I2C buses, 1 USB, 12 PWM, as well as multiple 10-bit and 16-bit ADCs. Furthermore, its ports can be connected with various types of external components, like automotive sensors and actuators, to enable the microcontroller to perform its operations.

Power Supply

The DF36037HV is powered by two main power sources, an internal regulated 3.3 V voltage, and an external 3.2 VDC. The external supply voltage of 3.2 VDC is used to drive the external microcontroller interfaces, whilst the internal 3.3 V voltage is used to power the microcontroller\'s internal logic. The external 3.2 V can be used as either a logic supply or to drive I/O devices. Moreover, the microcontroller features on-chip power management and has a low-power standby mode, which can reduce power consumption by up to 70%, allowing the microcontroller to remain in standby mode for extended periods of time.

Conclusion

In conclusion, the DF36037HV is a high-performance automotive single-chip microcontroller, developed specifically for automotive applications. It features a high-performance main and auxiliary processor combination, a large internal RAM and ROM, and multiple onboard peripheral interfaces. It supports a wide range of external components and applications, and its low power consumption makes it suitable for reliable operation in both on and off-road environments. This makes it an ideal solution for automotive system control and embedded motor control applications.

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