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TS7514CP Datasheet(PDF) 8 Page - STMicroelectronics |
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TS7514CP Datasheet(HTML) 8 Page - STMicroelectronics |
8 / 19 page DTMF DIALING DATA REGISTER (RDTMF REGISTER) Address Data Tone Frequency (Hz) D7 D6 D5 D4 D3 D2 D1 D0 Low High P 001 X X 00 697 X X X 0 1 770 X X X 1 0 852 X X X 1 1 941 X 0 0 X X X 1209 0 1 X X X 1336 1 0 X X X 1477 1 1 X X X 1633 Notes : This register is not initialized on power-up. X : don’t care value. P : 1,0 or X depending upon RPROG content. DATA REGISTER FOR THE TRANSMISSION ATTENUATOR (RATE REGISTER) Address Data Attenuation (dB) Output Transmit Level (dBm) On Line Level (dBm) Coupler Gain (- 6dB) D7 D6 D5 D4 D3 D2 D1 D0 P 010 00 00 0 + 4 – 2 00 01 1 + 3 00 10 2 + 2 – 4 00 11 3 + 1 – 5 01 00 4 0 – 6 01 01 5 – 1 – 7 01 10 6 – 2 – 8 01 11 7 – 3 – 9 10 00 8 – 4 – 10 10 01 9 – 5 – 11 10 10 10 – 6 – 12 10 11 11 – 7 – 13 11 00 12 – 8 – 14 11 01 13 – 9 – 15 1 1 1 0 Infinite < – 64 < – 70 1 1 1 1 Infinite* < – 64 * < – 70 * * Power-up configuration. LINE MONITORING PROGRAMMING REGISTER (RWLO REGISTER) Address Data Line Monitoring In Transmit Mode Relative Level (dB) Line Monitoring In Receive Mode Relative Level (dB) D7 D6 D5 D4 D3 D2 D1 D0 P 011 00 00 – 10 00 01 – 20 00 10 – 31 00 11 – 42 01 00 0 01 01 – 10 01 10 – 20 01 11 – 31 1 0 0 0 0.42 VPP 1 0 0 1 – 10dB 1 0 1 0 – 20dB 1 0 1 1 – 31dB 1 1 X X < – 60dB* * Power-up configuration. Note : Signaling frequency is a square wave signal at 2982Hz. TS7514 8/19 |
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