Data transfer from I/O to external data memory can only be done with the MOV command.

More Questions from The 8051 Microcontroller

• The total amount of external code memory that can be interfaced to the 8051 is:
• The special function registers are maintained in the next 128 locations after the general-purpose data storage and stack.
• When the 8051 is reset and the line is HIGH, the program counter points to the first program instruction in the:
• Both registers TL0 and TL1 are needed to start Timer 0.
• Microcontrollers often have:
• An alternate function of port pin P3.4 in the 8051 is:
• The 8051 has ________ 16-bit counter/timers.
• The total external data memory that can be interfaced to the 8051 is:
• What is the difference between the 8031 and the 8051?
• Which of the following commands will move the value at port 3 to register 2?

Discussion & Comments