1) Specify the Parts that are available in the 8051 microcontroller. Explain the alternative function of P3.
2) Describe the difference between the RTI and RET?
3) Explain the hardware connection of the crystal for 8051 and descibe the requirement of the capacitor.
4) Explain the term P0 port in detail.
5) Explain the format of the TMOD Reg and describe the mode selection.
6) Write down the steps of MODE 2 programming.
7) Explain the significance of TI Flag?
8) Describe the interrupts of 8051 write the vector table. With the assembly language program to produce the Square wave of 50 Hz frequency on P1.2. It makes use of an INTERRUPT for TIMER 0. Consider the crystal frequency.
9) Explain the format of IE SFR and IPSFR and draw the diagram.
10) Explain the Steps which are executed by the Microcontroller on the activation of interrupts.
11) Explain two external hardware interrupts in the 8051 microcontroller. At which port or pins they are situated? Explain the role of two bits TCON.0 and TCON.2 play in the execution of the external interrupts.