Reset generator: Difference between revisions
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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
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
Datasheet: File:PST518B.pdf.