NEO-YSA2

From NeoGeo Development Wiki
Revision as of 18:07, 22 February 2023 by Furrtek (talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search
Package QFP144
Manufacturer
First use 1999 ?
Used on MV1C, CDZ, ROM-Only boards...

Later version of the NEO-YSA chip. Contains a YM2610, the Z80 CPU and its RAM. It is also used to handle player input.

Can be used with a [BU9480F] 16bit stereo DAC.

Pinout


Edit this pinout

Pin 23: Input, read REG_STATUS_B.

Test points

Waveforms on test points during crosshatch screen:

  • TP4

    TP4

  • TP5

    TP5

  • TP6

    TP6

  • TP7

    TP7

  • TP8

    TP8

TP9, TP10 (under the board) and TP11 are all high.

Retrieved from "https://wiki.neogeodev.org/index.php?title=NEO-YSA2&oldid=8117"