Question: Explain why the crystal oscillator frequency in the 8051 Microcontroller is chosen as 11.0592Mhz. Briefly explain the function of the SBUF register in serial communication

Explain why the crystal oscillator frequency in the 8051 Microcontroller is

Explain why the crystal oscillator frequency in the 8051 Microcontroller is chosen as 11.0592Mhz. Briefly explain the function of the SBUF register in serial communication by giving example. Write an assembly language program to send the string "TURN ON SWI" to a device through serial communication of the 8051 microcontroller using serial interrupts. Use 9600bps,8 data bits, 1 start bit, 1 stop bit and no parity bits for the communication. (Assume that the device will receive data without any error)

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