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YMZ280B - Revision history
2026-05-05T02:12:45Z
Revision history for this page on the wiki
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WikiSysop: Created page with "'''8-Channel PCM/ADPCM Decoder''' =Pinout= <pre> QFP64-(19x13)-20x14mm +-------------------------------------------+ | 1 D0 | 20 MD2 | 33 MA5 | 52 MA23 | | 2 D1 | 21 MD3 | 34 MA6 | 53 *MOE | | 3 D2 | 22 MD4 | 35 MA7 | 54 *MWR | | 4 D3 | 23 MD5 | 36 MA8 | 55 *MCE | | 5 D4 | 24 MD6 | 37 MA9 | 56 *DSPCS | | 6 D5 | 25 MD7 | 38 MA10 | 57 *DSPSCK | | 7 D6 | 26 Vdd | 39 MA11 | 58 Vdd | | 8 D7 | 27 Vss | 4..."
2026-05-04T19:58:43Z
<p>Created page with "'''8-Channel PCM/ADPCM Decoder''' =Pinout= <pre> QFP64-(19x13)-20x14mm +-------------------------------------------+ | 1 D0 | 20 MD2 | 33 MA5 | 52 MA23 | | 2 D1 | 21 MD3 | 34 MA6 | 53 *MOE | | 3 D2 | 22 MD4 | 35 MA7 | 54 *MWR | | 4 D3 | 23 MD5 | 36 MA8 | 55 *MCE | | 5 D4 | 24 MD6 | 37 MA9 | 56 *DSPCS | | 6 D5 | 25 MD7 | 38 MA10 | 57 *DSPSCK | | 7 D6 | 26 Vdd | 39 MA11 | 58 Vdd | | 8 D7 | 27 Vss | 4..."</p>
<p><b>New page</b></p><div>'''8-Channel PCM/ADPCM Decoder'''<br />
<br />
=Pinout=<br />
<pre><br />
QFP64-(19x13)-20x14mm<br />
+-------------------------------------------+<br />
| 1 D0 | 20 MD2 | 33 MA5 | 52 MA23 |<br />
| 2 D1 | 21 MD3 | 34 MA6 | 53 *MOE |<br />
| 3 D2 | 22 MD4 | 35 MA7 | 54 *MWR |<br />
| 4 D3 | 23 MD5 | 36 MA8 | 55 *MCE |<br />
| 5 D4 | 24 MD6 | 37 MA9 | 56 *DSPCS |<br />
| 6 D5 | 25 MD7 | 38 MA10 | 57 *DSPSCK |<br />
| 7 D6 | 26 Vdd | 39 MA11 | 58 Vdd |<br />
| 8 D7 | 27 Vss | 40 MA12 | 59 DSPCDI |<br />
| 9 *TEST | 28 MA0 | 41 MA13 | 60 *CS |<br />
| 10 Vss | 29 MA1 | 42 Vss | 61 A0 |<br />
| 11 XO | 30 MA2 | 43 MA14 | 62 *WR |<br />
| 12 XI | 31 MA3 | 44 MA15 | 63 *RD |<br />
| 13 EO | 32 MA4 | 45 MA16 | 64 *IC |<br />
| 14 LRO | | 46 MA17 | |<br />
| 15 WCO | | 47 MA18 | |<br />
| 16 BCO | | 48 MA19 | |<br />
| 17 D0 | | 49 MA20 | |<br />
| 18 MD0 | | 50 MA21 | |<br />
| 19 MD1 | | 51 MA22 | |<br />
+-------------------------------------------+<br />
</pre><br />
<br />
=Frequency=<br />
Set reader to FREQ, put black probe to GND, red probe to 10,11,13,14,15 to measure various clocks<br />
<br />
=External links=<br />
[https://en.wikipedia.org/wiki/Pulse-code_modulation Pulse-code modulation (PCM) page on Wikipedia]<br><br />
[https://en.wikipedia.org/wiki/Adaptive_differential_pulse-code_modulation (ADPCM) page on Wikipedia]<br />
<br />
=Files=<br />
<gallery widths="150px"><br />
File:ymz280b.pdf|YMZ280B Datasheet<br />
</gallery><br />
<br />
[[Category:Sound Chips]]<br />
[[Category:QFP64-(19x13)-20x14mm]]</div>
WikiSysop