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CDCE62005 Datasheet(PDF) 39 Page - Texas Instruments |
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CDCE62005 Datasheet(HTML) 39 Page - Texas Instruments |
39 / 85 page OutputDivider 2 OutputDivider 3 AUX OUT Register 6 25 Register 6 24 CDCE62005 www.ti.com SCAS862F – NOVEMBER 2008 – REVISED JANUARY 2015 Table 20. Output Synchronization Procedure R4.1 R6.20 COMMENTS 0 0 The synchronized outputs will be enabled after ~6 µs delay and the next rising edge of the reference clock and selected clock of output multiplexer. 0 1 The synchronized outputs will be enabled after ~6 µs delay and the next rising edge of Toggling SYNC Pin or selected clock of output multiplexer (reference Figure 26 (a)). Bit (R8.8) from low to 1 0 The synchronized outputs will be enabled with the next rising edge of reference clock & the high selected clock of output multiplexer (reference Figure 26 (c)). 1 1 The synchronized outputs will be enabled with the next rising edge of the selected clock of output multiplexer (reference Figure 26 (b)). Toggling SYNC Pin or X X All outputs are disabled. Bit (R8.8) from high to low 8.3.5.15 Auxiliary Output Figure 27 shows the auxiliary output port. Table 21 lists how the auxiliary output port is controlled. The output buffer supports a maximum output frequency of 250 MHz and drives at LVCMOS levels. Refer to Table 13 for the list of divider settings that establishes the output frequency. Figure 27. CDCE62005 Auxiliary Output Table 21. CDCE62005 Auxiliary Output Settings BIT NAME → AUXFEEDSEL AUXOUTEN AUX OUTPUT SOURCE REGISTER.BIT → 6.25 6.24 X 0 OFF 0 1 Divider 2(1) 1 1 Divider 3(1) (1) If Divider 2 or Divider 3 is set to divide by 1 and AUXOUT is selected from divide by 1, then AUXOUT will be disabled even if the AUXOUTEN bit (6.24) is high. Copyright © 2008–2015, Texas Instruments Incorporated Submit Documentation Feedback 39 Product Folder Links: CDCE62005 |
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