Using CTL and RDY Pins as Output and Input | Cypress Semiconductor
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Using CTL and RDY Pins as Output and Input
Can I use CTL and RDY pins of EZ-USB (FX/FX1/FX2/FX2LP) as output and input respectively in custom applications like driving an LED or reading a button?
These functionality of these pins is specific to GPIF and Slave FIFO modes. Hence rather than using the CTL and RDY pins you can use other GPIOs which would be easier to configure and use.