They can be connected to Analogue inputs by jumper wires to provide additional digital connections on the digital inputs interface.
可以通过跳线接入外部的模拟输入设备到本设备的数字接口中。
A data collecting system designed with ADC0809 on the PC computer system can collect 8 inputs of analogue quantity by order.
利用ADC0809在PC机上设计一个数据采集系统，可以依次对8路模拟量进行采集。
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