參數(shù)資料
型號(hào)： 935263011118
廠商： NXP SEMICONDUCTORS
元件分類： 通信及網(wǎng)絡(luò)
英文描述： SPECIALTY TELECOM CIRCUIT, PDSO16
封裝： PLASTIC, SOT-162, SO-16
文件頁(yè)數(shù)： 25/33頁(yè)
文件大?。?/td> 574K
代理商： 935263011118
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PCD3316
Information as of 2000-08-24
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 ‘CPE 1 Alerting Signal
(CAS)’ and the signals used in similar services. The device is capable of a very high precision detection of the dual tone (2130 and 2750
Hz) by using a patented digital algorithm. The PCD3316 can be used for on-hook and off-hook Caller-ID (CID), Caller-ID on Call Waiting
(CIDCW) and Caller-Name (CNAM) applications.
For timing purposes the PCD3316 can be programmed to generate an interrupt signal to the microcontroller every second or every minute.
These timings are derived from an on-chip 32.768 kHz oscillator.
Also incorporated in the device are a Frequency Shift Keying (FSK) receiver/demodulator and a ‘Ring or polarity change detector’. The
status of the PCD3316, the received FSK data bytes and the ringer period can be read and many options can be selected via the IC-bus
serial interface. Two on-chip oscillators are available. One 3.58 MHz oscillator for all internal functions and a low frequency 32.768 kHz
oscillator for the 1 second or 1 minute timing.
In Power-down mode only the polarity comparators and the 32.768 kHz oscillator are active. The CAS detection, the FSK receiver and the
3.58 MHz oscillator can be enabled separately. Detection of a polarity change on the inputs POL0 or POL1, the reception of an FSK data
byte, the detection of a CAS tone or a timebase interrupt is signalled to the microcontroller by an interrupt request signal (IRQ). The
microcontroller can communicate with the PCD3316 device via the serial interface.
The PCD3316 is designed for use in a microcontroller controlled system. The device is available in a SO16 package.
A demonstration board OM5843 and an application note AN98071 are available.
l
Bellcore’s ‘CPE Alerting Signal (CAS)’ and British Telecom’s (BT) ‘Loop State Tone Alert Signal’ detection
l
BT’s ‘Idle State Tone Alert Signal’ by means of monitoring the input signal level
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