Mode of serial port pair: synchronous clock device through the serial port read per second pair a serial output time information, serial port and RS232 interface and RS422 interface.
串行口对时方式:装置通过串行口读取同步时钟每秒一次的串行输出的时间信息对时,串行口又分为rs232接口和RS422接口方式。
Need to point out that this is a package of drawings, IDE interface, 74hc573. and RS232 serial port as part of the experiment as part of the plate.
需要说明一下的是,这个包中的原理图,IDE接口部分、74hc573、以及rs232串口等部分,是作为这个实验板的一部分。
Need to point out that this is a package of drawings, IDE interface, 74hc573. and RS232 serial port as part of the experiment as part of the plate.
需要说明一下的是,这个包中的原理图,IDE接口部分、74hc573、以及rs232串口等部分,是作为这个实验板的一部分。
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