Datenblatt-Suchmaschine für elektronische Bauteile |
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NW6006 Datenblatt(PDF) 2 Page - Integrated Device Technology |
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NW6006 Datenblatt(HTML) 2 Page - Integrated Device Technology |
2 / 22 page 2 INDUSTRIAL TEMPERATURE RANGE NW6006 ENHANCED TYPE II CALLER ID DECODER WITH STUTTER DIAL TONE DETECTOR PIN INFORMATION Figure 2. Pin Assignment VREF IN1+ IN1- GS1 GND OSCIN OSCOUT CB0 DCLK DATA IN2+ IN2- GS2 CB2 CB1 VCC CD/STRDT ST/GT EST DR/STD 20 19 18 17 16 15 14 13 12 11 1 2 3 4 5 6 7 8 9 10 Name Type Pin No. Description VREF O 1 Reference Voltage. This output is used to bias the input OP amp. It is typically VCC/2. IN1+ I 2 Non-inverting Input of the gain adjustable Tip/Ring OP amp. IN1- I 3 Inverting Input of the gain adjustable Tip/Ring OP amp. GS1 O 4 Gain Select Output of the gain adjustable Tip/Ring OP amp. The Tip/Ring signal can be attenuated or amplified at GS1 by adjusting the feedback resistor between GS1 and IN1-. The FSK signal is always detected by Tip/Ring OP amp while DT-AS(CAS) signal can be detected by either Tip/Ring or Hybrid OP amp. The OP amp selection is controlled by CB1 and CB2 bits. GND - 5 Ground. OSCIN I 6 Oscillator Input. A 3.579545 MHz crystal or ceramic resonator should be connected between this pin and the OSCOUT. It can also be driven by an external clock source. OSCOUT O 7 Oscillator Output. A 3.579545 MHz crystal or ceramic resonator should be connected between this pin and the OSCIN. When an external clock drives OSCIN, this pin can be left floating. CB0 I 8 Control Bit 0 (FSK Data Interface Mode Select). This pin can select the 3-wire FSK data interface mode. A ‘0’ on this pin indicates interface mode 0; while a ‘1’ on this pin indicates interface mode 1. (The FSK data interface is consisted of DATA, DCLK and DR/STD pins.) When CB0 is high and CB1, CB2 are both low, the device is set into the power down state. DCLK I/NC 9 Data Clock of the Serial FSK Interface. In mode 0 (CB0 is low), this pin is unused; In mode 1 (CB0 is high), this pin is an input which clock the FSK data byte out to the DATA pin. DATA O 10 Data Output of the Serial FSK Interface. In mode 0 (CB0 is low), the FSK serial bit stream is output to the DATA pin directly. In mode 1 (CB0 is high), the start bit is stripped off, the data byte and the stop bit is stored in a 9-bit buffer. At the end of each word signaled by the DR/STD pin, the microcontroller should shift the byte out onto the DATA pin by applying 8 read pulses to the DCLK pin. A 9th DCLK pulse will shift out the stop bit for framing error checking. |
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