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The 8051 Microcontroller
The ADC0804 has ________ resolution.
4-bit
8-bit
16-bit
32-bit
Correct Answer:
8-bit
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The 8051 Microcontroller
The I/O ports that are used as address and data for external memory are:
To interface external EPROM memory for applications, it is necessary to demultiplex the address/data lines of the 8051.
The 8051 has ________ parallel I/O ports.
Which of the following commands will move the number 27H into the accumulator?
The special function registers can be referred to by their hex addresses or by their register names.
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
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