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Thank you for your reply !! I have tried with a multimeter and I put the write comman in a loop. What I see is that the pin is always at 0 V.
There is an instruction that put a specified pin (eg pin_d22) on high state so that i can test if the pin i have assigned to the txd_uart is the pin I really use in hardware ? It could be harmful ?
Alternatively what about if I set the output pin (tx_uart) as the clock pin ?
Thank you !!
Have a nice day.
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I have put the input clock on the output pin assigned to the txd_uart but still cannot see anything.. mumble mumble..
any suggestion ??
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