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LM9801 датащи(PDF) 16 Page - National Semiconductor (TI) |
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LM9801 датащи(HTML) 16 Page - National Semiconductor (TI) |
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16 / 34 page ![]() TABLE II Configuration Register Parameters (Continued) Parameter Control Bits Result (tRS) RS Pulse Position RSPOS3 RSPOS2 RSPOS1 RSPOS0 0 0 0 0 00tMCLK (0 ns) 0 0 0 1 05tMCLK (25 ns) 0 0 1 0 10tMCLK (50 ns) 0 0 1 1 15tMCLK (75 ns) 0 1 0 0 20tMCLK (100 ns) 0 1 0 1 25tMCLK (125 ns) 0 1 1 0 30tMCLK (150 ns) 0 1 1 1 35tMCLK (175 ns) 1 0 0 0 40tMCLK (200 ns) 1 0 0 1 45tMCLK (225 ns) 1 0 1 0 50tMCLK (250 ns) 1 0 1 1 55tMCLK (275 ns) 1 1 0 0 60tMCLK (300 ns) 1 1 0 1 65tMCLK (325 ns) 1 1 1 0 70tMCLK (350 ns) 1 1 1 1 75tMCLK (375 ns) Position (tSHREF) Sample Reference SR3 SR2 SR1 SR0 0 0 0 0 00tMCLK (0 ns) 0 0 0 1 05tMCLK (25 ns) 0 0 1 0 10tMCLK (50 ns) 0 0 1 1 15tMCLK (75 ns) 0 1 0 0 20tMCLK (100 ns) 0 1 0 1 25tMCLK (125 ns) 0 1 1 0 30tMCLK (150 ns) 0 1 1 1 35tMCLK (175 ns) 1 0 0 0 40tMCLK (200 ns) 1 0 0 1 45tMCLK (225 ns) 1 0 1 0 50tMCLK (250 ns) 1 0 1 1 55tMCLK (275 ns) 1 1 0 0 60tMCLK (300 ns) 1 1 0 1 65tMCLK (325 ns) 1 1 1 0 70tMCLK (350 ns) 1 1 1 1 Not Valid Position (tSHSIG) Sample Signal SS3 SS2 SS1 SS0 0 0 0 0 00tMCLK (0 ns) 0 0 0 1 05tMCLK (25 ns) 0 0 1 0 10tMCLK (50 ns) 0 0 1 1 15tMCLK (75 ns) 0 1 0 0 20tMCLK (100 ns) 0 1 0 1 25tMCLK (125 ns) 0 1 1 0 30tMCLK (150 ns) 0 1 1 1 35tMCLK (175 ns) 1 0 0 0 40tMCLK (200 ns) 1 0 0 1 45tMCLK (225 ns) 1 0 1 0 50tMCLK (250 ns) 1 0 1 1 55tMCLK (275 ns) 1 1 0 0 60tMCLK (300 ns) 1 1 0 1 65tMCLK (325 ns) 1 1 1 0 70tMCLK (350 ns) 1 1 1 1 75tMCLK (375 ns) Note tMCLK e 1fMCLK e 1 MCLK period Examples given in parenthesis are for fMCLK e 20 MHz (tMCLK e 50 ns) http www nationalcom 16 |
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