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The 8051 Microcontroller
The address space of the 8051 is divided into four distinct areas: internal data, external data, internal code, and external code.
True
Correct Answer:
True
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The 8051 Microcontroller
A label is used to name a single line of code.
Which of the following instructions will move the contents of register 3 to the accumulator?
The 8051 is a 40-pin IC. Twenty-two pins are needed for the four I/O ports.
Different instruction sets must make up for the various members of the 8051 family.
The RST pin requires a HIGH to reset the 8051 microcontroller.
Up to 65K of code memory and 65K of data memory can be added to any of the 8051 family members.
In an 8051 program DA A adjusts the value in the accumulator resulting from an addition into two BCDs.
Writing counter/loop programs is much more difficult with the introduction of the DJNA and the CJNE instructions.
Analog output current must be converted into a usable voltage. To perform this current-to-voltage conversion a 700 op amp may be used.
A Celsius thermometer is an application for the 8051 microcontroller.
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