ZHCSE36D August 2015 – April 2018 LMK03328
PRODUCTION DATA.
The reference (R) divider is a continuous 3-b counter that is present on the primary reference before the smart input MUX of each PLL. The output of the R divider sets the input frequency for the smart input MUX and the auto switch capability of the smart input MUX can then be employed as long as the secondary input frequency is no more than 2000 ppm different from the output of the R divider, which is programmed in R52 for PLL1 and R54 for PLL2.