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TLFD600 Datasheet(PDF) 29 Page - Texas Instruments |
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TLFD600 Datasheet(HTML) 29 Page - Texas Instruments |
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29 / 36 page ![]() TLFD600 ADSL CODEC WITH INTEGRATED LINE DRIVER AND RECEIVER SLAS280B – MAY 2000 – REVISED NOVEMBER 2000 29 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 PROGRAMMING INFORMATION Table 12. Mode Selection Table INPUTS OUTPUT MODESEL PIN (PIN 10) TOGMOD BIT (FMR[0]) RESULTANT MODE COMMENTS 0 0 Full rate RX analog and digital LPF at 1104 kHz 0 1 G.lite RX analog and digital LPF at 552 kHz 1 0 G.lite RX analog and digital LPF at 552 kHz 1 1 Full rate RX analog and digital LPF at 1104 kHz AUXGPRC – auxiliary amplifier and GPR direction control register Address: 01011b Contents at reset: 00001100b D7 D6 D5 D4 D3 D2 D1 D0 Reserved Reserved Reserved Reserved GPIOC[1] GPIOC[0] AMP1EN AMP2EN Table 13. AUXGPRC Control Table BIT NAME D7 D6 D5 D4 D3 D2 D1 D0 DESCRIPTION Reserved 1 Reserved bit Reserved 1 Reserved bit Reserved 1 Reserved bit Reserved 1 Reserved bit GPIOC[1] 0 Configure pin GPIO1 as output GPIOC[1] 1 Configure pin GPIO1 as input GPIOC[0] 0 Configure pin GPIO0 as output GPIOC[0] 1 Configure pin GPIO0 as input AMP1EN 0 Enable on-chip auxiliary amplifier 1 AMP2EN 0 Enable on-chip auxiliary amplifier 2 NCO_DEF – numerically controlled oscillator default value register Address: 01100b Contents at reset: 01000000b (64 decimal) D7 D6 D5 D4 D3 D2 D1 D0 Reserved NCODEF[6] NCODEF[5] NCODEF[4] NCODEF[3] NCODEF[2] NCODEF[1] NCODEF[0] NOTE 9: NCO_DEF register should never be written to. It always holds the default value of 64. |
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