PCD3316 - Caller-ID on Call Waiting CIDCW receiver

The PCD3316 is a low power mixed signal CMOS integrated circuit for receiving physical layer signals like Bellcore’s ‘CPE1 Alerting Signal (CAS)’ and the signals used in similar services.

• 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 the input signal level s 1200 baud FSK demodulator conform Bell 202 and CCITT V23 standards s Ring or polarity change detector s Ring period measurement s Low battery comparator s Signal level detector s On-hook and off-hook.