Microcontrollers and Applications

125 μs 250 μs 256 μs 1200 μs Modes 0 & 1 Modes 1 & 2 Modes 2 & 3 All of the above By recognizing 9th bit as ‘1’ for address byte & ‘0’ for data byte By recognizing 9th bit as ‘0’ for address byte & ‘1’ for data byte By recognizing 9th bit as ‘1’ for address as well as data bytes By recognizing 9th bit as ‘0’ for address as well as data bytes Address byte Data byte Both a & b None of the above LSB MSB Both a & b None of the above 1 2 5 8 32 bytes 64 bytes 128 bytes 256 bytes 2 3 4 5 Program Memory Program Counter Control Unit Instruction decoder It is used to interrupt the timer It is used to load the count of the timer It is used to set different timer’s or counter’s to their appropriate modes It Is the destination or the final register where the result is obtained after the operation of the timer DTR RTS Both 1 & 2 None of the above IE.D2 IE.D3 IE.D4 IE.D5 Special Function Register Timer Register Accumulator Stack Pointer MOVC & MOVY MOVY & MOVB MOVZ & MOVA MOVX & MOVC 08H 09H 00H 07H Binary codes Offset for each instruction Assembly language statements All of the Above 00H to 7FH 01H to 7FH 00H to FFH 80H to FFH

10 bit

20 bit

16 bit

12 bit