High -speed asynchronous data communication's that keeps secret close spoon system of key

The utility model provides the utility model discloses a high -speed asynchronous data communication's that keeps secret the close spoon system of automatic key, add the difference to keep apart data asynchronous communication module gamma between the for military use equipment that carries out data communication and communication line, data asynchronous communication module delta and two asynchronous data communication port AVR singlechips are kept apart to the difference, the for military use equipment that need carry out data communication inserts the difference and keeps apart data asynchronous communication module gamma, data asynchronous communication module gamma is kept apart to the difference, data asynchronous communication module delta carries out input/output with two asynchronous data communication port AVR singlechips data interchange is kept apart to the difference, the close spoon of EEPROM key that can free plug inserts two asynchronous data communication port AVR singlechips, the utility mod