题目内容

DAC0832 is ()-bit DAC?

A. 4
B. 8
C. 16
D. 32

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It is impossible for 8051 to read data from transmitting SBUF. ( )

8051 Timer 0 can be used as the baud-rate generator. ( )

The TI flag is set by serial port hardware at the completion of receiving of a byte. ( )

The P2 port of 8051 can be used for general I/O or as the high byte of the address bus for access external memory with MOVX instruction. ( )

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