MBSD QUIZ TEST

What is the purpose of a special function register SPBRG in USART?All of the above

• To control the operation associated with baud rate generation

• To control an oscillator frequency

• To control or prevent the false bit transmission of 9^th bit

• All of the above

 Which among the below specified registors are addressable only from bank1 of RFS?

• PORTA (05H)

• PORTB (06H)

• FSR (04H)

• ADCON0 (07H)

What is the purpose of acquiring two different bits from INTCON register for performing any interrupt operation in PIC 16C61 / 71?

• One for enabling & one for disabling the interrupt

• One for enabling the interrupt & one for its occurrence detection

• One for setting or clearing the RBIE bit

• None of the above

What are the contents of the IE register, when the interrupt of the memory location 0x00 is caused?

• 0xFFH

• 0x00H

• 0x10H

• 0xF0H

Which bit of the IE register is used to enable TxD/RxD interrupt?

• IE.D5

• IE.D2

• IE.D3

• IE.D4

Which register is used to make the interrupt level or an edge triggered pulse?

• TCON

• IE

• IPR

• SCON

What is the correct order of priority that is set after a controller gets reset?

• RI/TI > TF1 > TF0 > INT1 > INT0

• RI/TI < TF1 < TF0 < INT1 < INT0

• INT0 > TF0 > INT1 > TF1 > RI/TI

• INT0 < TF0 < INT1 < TF1 < RI/TI

 How many ports 8255A has?

• 2

• 3

• 4

• 5

It is a tri-state, bi-directional, 8-bit buffer, which is used to interface the 8253/54 to the system data bus.

• Read/Write Logic

• Data Bus Buffer

• system data bus

• System Buffer

 The address space in ARM is ___________

• 2^8

• 2^16

• 2^32

• 2^64