NEO-YSA2: Difference between revisions

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|pkg=QFP144
|pkg=QFP144
|manu=yamaha
|manu=yamaha
|date=2003 ?
|date=1999 ?
|gates=A lot !
|gates=A lot !
|used_on={{PCB|MV1C|}}, [[CDZ]], [[ROM-Only boards]]...
|used_on={{PCB|MV1C|}}, [[CDZ]], [[ROM-Only boards]]...
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{{Pinout|NEO-YSA2|640}}
{{Pinout|NEO-YSA2|640}}
Pin 23: Input, read REG_STATUS_B.


=Test points=
=Test points=

Latest revision as of 18:07, 22 February 2023

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:

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