Microcontroller Timers Quiz no 1

    Write the number and size of timers in 8051 microcontrollers

•    Two with 8 bit 

•  Two with 16 bit 

•  One with 20 bit 

•  One with 32 bit

---------------used to count external events

•     Timers 

• Counters   

• . Mode registers    

• Control registers

8051 microcontrollers counters are -----------------

• UP counters

• Down counters

• Serial counters

• Parallel counters

The control word of TMOD register is  03H .  Identify the timer and mode

• Timer 0 & mode 0

• Timer 1  & mode 3

• Timer 0  & mode 3

• Timer 1  & mode 2

  Which bit will set during roll over condition ?

• T0

• TI

• TR

• TF

Determine the clock frequency, if the crystal frequency is 12MHz.

• 1MHz

• 2MHz

• 3MHz

• 4MHz

Identify the control register related to Timers

• TMOD

• SCON

• TCON

• PCON

In TMOD register if C/T = 0, it acts as a -------

• Timer

• Counter

• Shift register

• All

Which mode of Timer is called as auto reload mode?

• Mode 0

• Mode 1

• Mode 2

• Mode 3

Which mode of Timer uses 13 bit register ?

• Mode 0

• Mode 1

• Mode 2

• Mode 3