MICROPROCESSOR AND MICROCONTROLLER

8051 MICROCONTROLLER

ARCHITECTURE OF 8085

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which pin in the shift register mode (Mode 0) of serial communication allows the data transmission as well as the reception?
A
TXD
B
RXD
C
RB8
D
REN
Explanation: 

Detailed explanation-1: -The 8051’s serial communication UART circuitry divides the machine cycle frequency of 921.6kHz by 32 once more before it is used by Timer 1 to set the baud rate. Therefore, 921.6 kHz divided by 32 gives 28, 800 Hz. SBUF is an 8-bit register used solely for serial communication in the 8051.

Detailed explanation-2: -SBUF register: SBUF is an 8-bit register used for serial communication in the 8051 microcontrollers. For a byte of data to be transferred via the transmitted line, it must be placed in the SBUF Register.

There is 1 question to complete.