Reset generator
The Mitsumi PST518B is a reset generator, it holds the NeoGeo in reset as long as the power supply is below 4.4V.
Datasheet: File:PST518B.pdf PST518B.pdf.
Not to be confused with the watchdog reset.
The Mitsumi PST518B is a reset generator, it holds the NeoGeo in reset as long as the power supply is below 4.4V.
Datasheet: File:PST518B.pdf PST518B.pdf.
Not to be confused with the watchdog reset.