1 Reply Latest reply on Dec 18, 2015 12:58 AM by ajay.bharadwaj

    Generate clock signal with minimum delay and MHz freq (EZUSB FX2LP)

    dpandya88_1439056

      Hi,

         

      I am using FX2LP CY7C68013A USB controller and it is interfaced with FPGA for its output signal controlling application. Right now I am trying to generate clock signals on the port B of USB controller using Keil and its respective Firmware.

         

      The code consist of configuring the CPUCS with 12MHz (0X00) and initializing the port B and its pin PB0, high and low with delay of 1NOP instruction. This is processed in a IF loop with counter of 255 (0 to FF). I observe the delay of 5.3us and the frequency is in range of KHz on PB0 (pin 44). The system clock given to controller is 24MHz.

         

      How should I reduce this delay and generate clock in range of MHz with the above specs..??

         

      Thanks.

         

       

         

      Dhara