题目内容

If Timer 0 of 8051 counts in mode 2, after executing the instruction “MOV TL0, #01H”, it will generate the overflow after counting ______ numbers.

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The number of 8051 interrupt priorities is ______ .

The number of 8051 Timers is . When Timer 0 is configured in mode , it works as two independent __ -bit timers.

When 8051 UART is set with mode 3, it is a ______ -bit UART with variable baud rate.

In 8051, () interrupt has the lowest natural priority.

A. External 0
B. External 1
C. Timer 0
D. Serial port