For what for EPM3128ATC100 on Chinese SNES repro?

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Kayumba
Posts: 141
Joined: Sun Mar 01, 2020 2:36 am

For what for EPM3128ATC100 on Chinese SNES repro?

Post by Kayumba » Mon Apr 05, 2021 3:41 pm

Hello everyone,
I would like to know why Chinese SNES reproduction uses this chip?
EPM3128ATC100
Image

Do you think that they are using this chip only like voltage translation" ?
Can it be possible ?

Image

I found this PCB repro on Ali,
Here is the list of components :
- EPM3128ATC100
(what role ?)

- S29GL512 (3v) 512Mbit
(Flash chip for Game)

- AMTRON FM1808-70-SG | Memory; FRAM; parallel; 4.5÷5.5V; 70ns
(Fram chip for storage saves)
Image

- 12F629
(CIC region unlock)

- AMS1117
(Voltage regulator 5v to 3,3v)
I think it’s here only to supply Flash chip S29GL512

- capacitors : 2x 16v 47uf

- one resistor (don’t see valu)

Don’t see any « diodes »

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