| 摘要 |
An integrated telephony controller circuit with the ability to perform auxiliary functions is disclosed. The invention consists of a coder-decoder circuit (CODEC) including at least one analog-to-digital converter (ADC), said CODEC being capable of sending and receiving telephony data signals; a multiplexer coupled to said ADC; and a receiving means for receiving an analog sense signal, said receiving means coupled to said multiplexer; wherein said multiplexer allows said telephony signals and said analog sense signal to share said ADC. This integrated circuit provides a state driven means to share the use of the ADC depending on whether the primary telephony function is active.
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