Difference between revisions of "NEO-YSA2"

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|pkg=QFP144
 
|pkg=QFP144
 
|manu=yamaha
 
|manu=yamaha
|date=2003 ?
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|date=1999 ?
 
|gates=A lot !
 
|gates=A lot !
 
|used_on={{PCB|MV1C|}}, [[CDZ]], [[ROM-Only boards]]...
 
|used_on={{PCB|MV1C|}}, [[CDZ]], [[ROM-Only boards]]...
 
}}
 
}}
  
Later version of the {{Chipname|NEO-YSA}} chip. Contains a {{Chipname|YM2610}} and a {{Chipname|Z80}} CPU. It is also used to handle player input.
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Later version of the {{Chipname|NEO-YSA}} chip. Contains a {{Chipname|YM2610}}, the {{Chipname|Z80}} CPU and its [[Z80 RAM|RAM]]. It is also used to handle player input.
  
 
Can be used with a [[http://www.datasheetcatalog.org/datasheet/rohm/bu9480f.pdf BU9480F]] 16bit stereo DAC.
 
Can be used with a [[http://www.datasheetcatalog.org/datasheet/rohm/bu9480f.pdf BU9480F]] 16bit stereo DAC.
 +
 +
=Pinout=
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{{Pinout|NEO-YSA2|640}}
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 +
=Test points=
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Waveforms on test points during crosshatch screen:
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<gallery>
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Neo-ysa2_tp4.png|TP4
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Neo-ysa2_tp5.png|TP5
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Neo-ysa2_tp6.png|TP6
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Neo-ysa2_tp7.png|TP7
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Neo-ysa2_tp8.png|TP8
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</gallery>
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TP9, TP10 (under the board) and TP11 are all high.
  
 
[[Category:Chips]]
 
[[Category:Chips]]

Latest revision as of 18:07, 5 March 2019

Brd ysa2.jpg
Package QFP144
Manufacturer Logo yamaha.jpg
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

NEO-YSA2 pinout.png
Edit this pinout

Test points

Waveforms on test points during crosshatch screen:

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