The use of UART communication mode 0 and LM74. P0.7 used for the C8051F020 chip select, host TXD sent through the clock signal, to achieve synchronous communication, half-duplex. RXD for bi-directional data line. With six digital tube display LM74 temperature collected

实验14
......\c8051F020.h
......\C8051F020.INC
......\SY9AC.doc
......\tmp.out
......\WLM74UART0.#1
......\WLM74UART0.#2
......\WLM74UART0.ASM
......\WLM74UART0.LST
......\WLM74UART0.OBJ

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