Electronics > Beginners
FTDI programming auto-reset circuit.
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implor:
Hi.
I'm trying to understand this circuit but when I simulate it dosen't work.
FTDI 231X and ESP32
As I understand it you will need to First pull IO0 to gnd (set ESP in download boot) and then toggle Reset while IO0 is low.
What I have read DTR should go active first (active low in this FTDI chip) and then RTS should follow.
My problem is how DTR and RTS work. Should they go low and stay low? Do DTR go high when RTS go low?
Diffrent sources gives diffrent awnsers on google.
Example:
And:
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