MICROPROCESSOR AND MICROCONTROLLER

PIC MICROCONTROLLER

ARCHITECTURE OF 8085

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Size of Program Counter in PIC 16f877a is
A
8 bit
B
12 bit
C
13 bit
D
16 bit
Explanation: 

Detailed explanation-1: -The PIC16F87XA devices have a 13-bit program counter capable of addressing an 8K word x 14 bit program memory space.

Detailed explanation-2: -PIC16F84 has 13 bit program counter (PC).

Detailed explanation-3: -PIC16F877a is a 40-pin PIC Microcontroller, designed using RISC architecture, manufactured by Microchip and is used in Embedded Projects. It has five Ports on it, starting from Port A to Port E. It has three Timers in it, two of which are 8-bit Timers while 1 is of 16 Bit.

Detailed explanation-4: -PIC16F877A timer Block Diagram The timer is nothing but a simple binary counter that can be configured to count clock pulses(Internal/External). Once it reaches the max value, it will roll back to zero setting up an Overflow flag and generates the interrupt if enabled.

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