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AD5933-Slide14

The Start Frequency is a 24-bit word that is programmed to the on-board RAM at addresses 82h, 83h, and 84h. The required code loaded to the START FREQUENCY register is based on the master clock frequency and the required Start Frequency output from the DDS as follows: Start Frequency code = ( Required output start frequency/ (MCLK/4) ) x 227.

PTM Published on: 2007-09-17