In my project, I need to have multiple ports of IO expander CY8C9560A simultaneously configured as output .
I would like to know whether the status of a port will remain valid if a different port is selected using repeat start feature of I2C?
Depends on your projects, but if you can preconfigure your chip, it is possible to write your config into the POR and when you turn on your unit, the cypress will have exactly the same config what you set earlier.
Including: input, output config, even states of outputs (as I remember).
So, you need to:
I hope it helps and not too late :))))))
István, this post is about 6 years old. The initial date has been spoiled when the data was loaded into the new forum software. I always check the last post for an actual date. Saves some work 😉
Thank you Bob for the hint
I already realized, it is a reeeeaaaal old post, but seemed unanswered and others, like me found the same post for similar problem and unanswered.
So, ( ) I just increased my reputation and tried to close the question for other visitors.