Difference between revisions of "Reset generator"

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m (Internal schematic)
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The Mitsumi PST518B is a [[reset]] generator, it holds the NeoGeo in reset as long as the power supply is below 4.4V.
 
The Mitsumi PST518B is a [[reset]] generator, it holds the NeoGeo in reset as long as the power supply is below 4.4V.
  
It has an open-collector output tied to {{Sig|RST|RST}} (not RESET !), which is shared with the reset button on the AES. The signal goes to {{Chipname|NEO-B1}}.
+
It has an open-collector output tied to {{Sig|RST|RST|N}} (not RESET !), which is shared with the reset button on the AES. The signal goes to {{Chipname|NEO-B1}}.
  
 
Not to be confused with the [[watchdog]] reset.
 
Not to be confused with the [[watchdog]] reset.

Revision as of 18:46, 22 June 2016

PST518B in a CD1 system.

The Mitsumi PST518B is a reset generator, it holds the NeoGeo in reset as long as the power supply is below 4.4V.

It has an open-collector output tied to RST (not RESET !), which is shared with the reset button on the AES. The signal goes to NEO-B1.

Not to be confused with the watchdog reset.

Internal schematic

Pst518b.png

Datasheet: File:PST518B.pdf.