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The 8051 Microcontroller
The special function registers can be referred to by their hex addresses or by their register names.
True
Correct Answer:
True
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The 8051 Microcontroller
Bit-addressable memory locations are:
The designs of a centigrade thermometer and a PWM speed-control circuit can be implemented by the 8051.
Device pins XTAL1 and XTAL2 for the 8051 are used for connections to an external oscillator or crystal.
This statement will set the address of the bit to 1 (8051 Micro-controller): SETB 01H
This program code will read data from port 0 and write it to port 2, and it will stop looping when bit 3 of port 2 is set: STAT: MOV A, PO MOV P2,A JNB P2.3, STAT
The 8051 can handle ________ interrupt sources.
The 8-bit address bus allows access to an address range of:
Which of the following commands will copy the contents of location 4H to the accumulator?
The following command will rotate the 8 bits of the accumulator one position to the left: RL A
An alternate function of port pin P3.0 (RXD) in the 8051 is:
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