题目内容

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

查看答案

搜索结果不匹配？点我反馈

更多问题

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. ( )

How many address signals are generated by 8051 to access external data memory by instruction MOVX @R0, A? ()

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

Memory address H in the interrupt vector table is assigned to serial port, and the memory address H is assigned to external interrupt 0.

To show upper case English letter 'L' on a common cathode 7-segment display, the segment code should be set with ______ H in hex form.