Serial Communication and UART in 8051
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Question 1 of 20
1. Question
Intel 8051 has ___ UART(s) (in number).
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Question 2 of 20
2. Question
UART in 8051 supports ______
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Question 3 of 20
3. Question
Serial communication is ____
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Question 4 of 20
4. Question
Serial communication registers are ____
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Question 5 of 20
5. Question
SCON and PCON are ___ and ___ addressable registers.
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Question 6 of 20
6. Question
Which register of serial communication is used to store the data to transmit and receive from other device?
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Question 7 of 20
7. Question
Match the following:
Sort elements
- 8 bit shift register, fosc / 12
- 8 bit UART, set by Timer 1
- 9 bit UART, fosc / 64 or fosc / 32
- 9 bit UART, set by Timer 1
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Mode 0
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Mode 1
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Mode 2
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Mode 3
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Question 8 of 20
8. Question
Which two bits are supposed to be analyzed for unity value (1) in SCON for the reception of byte in mode 1 serial communication?
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Question 9 of 20
9. Question
SM2 bit in SCON is set to _______
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Question 10 of 20
10. Question
Which serial modes possess the potential to support the multi-processor type of communication?
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Question 11 of 20
11. Question
What is the function of SCON register?
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Question 12 of 20
12. Question
What should be done if we want to double the baud rate?
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Question 13 of 20
13. Question
SBUF is ____ bit register (in number).
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Question 14 of 20
14. Question
8051 works on ____ baud rate.
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Question 15 of 20
15. Question
Which of the following best states the reason that why baud rate is mentioned in serial communication?
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Question 16 of 20
16. Question
Which of the following best describes the use of framing in asynchronous means of communication?
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Question 17 of 20
17. Question
How is the baud rate determined on the basis of system clock frequency in accordance to mode 0 of serial communication?
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Question 18 of 20
18. Question
Match the values to be loaded for different baud rates:
Sort elements
- FD
- FA
- -12
- -24
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9600
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4800
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2400
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1200
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Question 19 of 20
19. Question
Which are the pins used as RXD and TXD?
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Question 20 of 20
20. Question
Applications of UART are ___
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