In Macronix memory, the configuration register handles the dummy cycle information. Configuration of dummy cycle numbers is different depending on the bit6 & bit7 (DC0 & DC1) setting in the configuration register. By Default, the values of bit6 and bit 7 are 00. Macronix data sheet provides information on dummy cycle for varying the DC0 and DC1.
Note: For more details, refer “Dummy Cycle and Frequency Table (MHz)" Table in Macronix data sheet MX66U1G45G.
RECOMMENDED: Do not change the default Configuration Register (CR) configuration.