PCD3316 receiver equivalent, caller-id on call waiting cidcw receiver.
s Bellcore’s ‘CPE Alerting Signal (CAS)’ and British Telecom’s (BT) ‘Loop State Tone Alert Signal’ detection s BT’s ‘Idle State Tone Alert Signal’ by means of monitoring .
For timing purposes the PCD3316 can be programmed to generate an interrupt signal to the microcontroller every second o.
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