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jabadiagm / MSXgoauld_tn20k

MSX Goa'uld board with Tang Nano 20k
GNU General Public License v3.0
44 stars 7 forks source link

Don't see how this can get 3.2v stable. #9

Open zambujal opened 3 months ago

zambujal commented 3 months ago

Not exact an issue just a question... how this regulates the 3.2v, from the resistor I guess... but I don't see the circuit in series with this, maybe I am totaly wrong.

jabadiagm commented 2 months ago

Hi, tang has an internal regulator, it takes 5V from the msx and provides 3.3V for the 74hct/74lvc

Enviado desde mi Alcatel OT511

El 10 abr 2024, a las 19:55, zambujal @.***> escribió:

 Not exact an issue just a question... how this regulates the 3.2v, from the resistor I guess... but I don't see the circuit in series with this, maybe I am totaly wrong.

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zambujal commented 2 months ago

ha... nice indeed.

zambujal commented 2 months ago

I made the smaller IC's version but I noticed there was no condensators. I put them and redraw the traces, took me 5 minutes though. hope it will work. I have 2 MSX philips msx1 the most common here in europe and the panasonic F1-A1 msx2. Thank you for your's work!