Hi Jack King,
I find the demo that demonstrates how to use FlexIO to simulate 8080 interface, please refer to the attachment for details.
Have a great day,
TIC
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Hi Jack King,
Thank you for your interest in NXP Semiconductor products and for the opportunity to serve you.
There's no similar demo as you want to refer to.
However, the application AN5313 describes how to use the FlexIO module to
emulate the 8080 parallel bus and to drive a graphical TFT
LCD with the 8080 bus interface.
I think it can guide you to implement parallel GPIO manipulation and please refer to it for details.
Have a great day,
TIC
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Hi Jack King,
Yes, you got it.
Have a great day,
TIC
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Hi Jack King,
Thanks for your reply.
How is going on? What's the barrier do you encounter?
Have a great day,
TIC
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Hi Jack King,
Thanks for your reply.
Whether you mean that FlexIO doesn't output any wave, as I'm bit confused with your reply.
Have a great day,
TIC
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Yes, that’s what I mean. I don’t see any output on the FlexIO data pins that is supposed to be generated from the FlexIO shifters. I do see the clock output from the FlexIO timer, which also uses FlexIO output pins.
Without a working example of FlexIO parallel gpio, it is difficult to identify what may be the cause.
Hi Jack King,
I find the demo that demonstrates how to use FlexIO to simulate 8080 interface, please refer to the attachment for details.
Have a great day,
TIC
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Hi Jack King,
Thanks for your reply.
I find that my colleague is handling the question now, so please update the feedback of the post if you have further question.
Have a great day,
TIC
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