MIDIbox

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==== MIDIBox AY 3 8912 MIDI to Hz Chart ====

fT = Tone frequency	[Frequency (Hz)]\\	 	 
fCLOCK = input clock frequency	[2Mhz Crystal = 2.000.000 Hz]\\	 
TP = Decimal equivalent of the Tone Period bit 0 to 11 (Coarse Tune + Fine Tune)\\
\\
MIDI Note 0: TP = (2.000.000Hz) / (16x(8,1757989156 Hz))\\


^MIDI Note (DEC)^Note^Frequency (Hz) @2Mhz AY-3-8912^ABC Tone Period BIT0 to BIT11 (DEC)^AY 3 8912 ABC Tone Period  :: BIT0 to BIT11 (BIN)^COARSE TUNE REG HEX^FINE TUNE REG HEX^
|INVALID 4 BIT COARSE TUNE (HEX FF-10) |||||||
|0|C|8.1757989156|15289|0011 1011 1011 1001|3B|B9|
|1|Db|8.6619572180|14431|0011 1000 0101 1111|38|5F|
|2|D|9.1770239974|13621|0011 0101 0011 0101|35|35|
|3|Eb|9.7227182413|12856|0011 0010 0011 1000|32|38|
|4|E|10.3008611535|12135|0010 1111 0110 0111|2F|67|
|5|F|10.9133822323|11454|0010 1100 1011 1110|2C|BE|
|6|Gb|11.5623257097|10811|0010 1010 0011 1011|2A|3B|
|7|G|12.2498573744|10204|0010 0111 1101 1100|27|DC|
|8|Ab|12.9782717994|9631|0010 0101 1001 1111|25|9F|
|9|A |13.7500000000|9091|0010 0011 1000 0011|23|83|
|10|Bb|14.5676175474|8581|0010 0001 1000 0101|21|85|
|11|B|15.4338531643|8099|0001 1111 1010 0011|1F|A3|
|12|C|16.3515978313|7645|0001 1101 1101 1101|1D|DD|
|13|Db|17.3239144361|7215|0001 1100 0010 1111|1C|2F|
|14|D|18.3540479948|6810|0001 1010 1001 1010|1A|9A|
|15|Eb|19.4454364826|6428|0001 1001 0001 1100|19|1C|
|16|E|20.6017223071|6067|0001 0111 1011 0011|17|B3|
|17|F|21.8267644646|5727|0001 0110 0101 1111|16|5F|
|18|Gb|23.1246514195|5405|0001 0101 0001 1101|15|1D|
|19|G|24.4997147489|5102|0001 0011 1110 1110|13|EE|
|20|Ab|25.9565435987|4816|0001 0010 1101 0000|12|D0|
|21|A |27.5000000000|4545|0001 0001 1100 0001|11|C1|
|22|Bb|29.1352350949|4290|0001 0000 1100 0010|10|C2|
|VALID 4 BIT COARSE TUNE (HEX 0F-00) |||||||
|23|B|30.8677063285|4050|0000 1111 1101 0010|0F|D2|
|24|C1|32.7031956626|3822|0000 1110 1110 1110|0E|EE|
|25|Db|34.6478288721|3608|0000 1110 0001 1000|0E|18|
|26|D|36.7080959897|3405|0000 1101 0100 1101|0D|4D|
|27|Eb|38.8908729653|3214|0000 1100 1000 1110|0C|8E|
|28|E|41.2034446141|3034|0000 1011 1101 1010|0B|DA|
|29|F|43.6535289291|2863|0000 1011 0010 1111|0B|2F|
|30|Gb|46.2493028390|2703|0000 1010 1000 1111|0A|8F|
|31|G|48.9994294977|2551|0000 1001 1111 0111|09|F7|
|32|Ab|51.9130871975|2408|0000 1001 0110 1000|09|68|
|33|A |55.0000000000|2273|0000 1000 1110 0001|08|E1|
|34|Bb|58.2704701898|2145|0000 1000 0110 0001|08|61|
|35|B|61.7354126570|2025|0000 0111 1110 1001|07|E9|
|36|C|65.4063913251|1911|0000 0111 0111 0111|07|77|
|37|Db|69.2956577442|1804|0000 0111 0000 1100|07|0C|
|38|D|73.4161919794|1703|0000 0110 1010 0111|06|A7|
|39|Eb|77.7817459305|1607|0000 0110 0100 0111|06|47|
|40|E|82.4068892282|1517|0000 0101 1110 1101|05|ED|
|41|F|87.3070578583|1432|0000 0101 1001 1000|05|98|
|42|Gb|92.4986056779|1351|0000 0101 0100 0111|05|47|
|43|G|97.9988589954|1276|0000 0100 1111 1100|04|FC|
|44|Ab|103.8261743950|1204|0000 0100 1011 0100|04|B4|
|45|A |110.0000000000|1136|0000 0100 0111 0000|04|70|
|46|Bb|116.5409403795|1073|0000 0100 0011 0001|04|31|
|47|B|123.4708253140|1012|0000 0011 1111 0100|03|F4|
|48|C|130.8127826503|956|0000 0011 1011 1100|03|BC|
|49|Db|138.5913154884|902|0000 0011 1000 0110|03|86|
|50|D|146.8323839587|851|0000 0011 0101 0011|03|53|
|E|Eb|155.5634918610|804|0000 0011 0010 0100|03|24|
|52|E|164.8137784564|758|0000 0010 1111 0110|02|F6|
|53|F|174.6141157165|716|0000 0010 1100 1100|02|CC|
|54|Gb|184.9972113558|676|0000 0010 1010 0100|02|A4|
|55|G|195.9977179909|638|0000 0010 0111 1110|02|7E|
|56|Ab|207.6523487900|602|0000 0010 0101 1010|02|5A|
|57|A |220.0000000000|568|0000 0010 0011 1000|02|38|
|58|Bb|233.0818807590|536|0000 0010 0001 1000|02|18|
|59|B|246.9416506281|506|0000 0001 1111 1010|01|FA|
|60|C1|261.6255653006|478|0000 0001 1101 1110|01|DE|
|61|Db|277.1826309769|451|0000 0001 1100 0011|01|C3|
|62|D|293.6647679174|426|0000 0001 1010 1010|01|AA|
|63|Eb|311.1269837221|402|0000 0001 1001 0010|01|92|
|64|E|329.6275569129|379|0000 0001 0111 1011|01|7B|
|65|F|349.2282314330|358|0000 0001 0110 0110|01|66|
|66|Gb|369.9944227116|338|0000 0001 0101 0010|01|52|
|67|G|391.9954359817|319|0000 0001 0011 1111|01|3F|
|68|Ab|415.3046975799|301|0000 0001 0010 1101|01|2D|
|69|A |440.0000000000|284|0000 0001 0001 1100|01|1C|
|70|Bb|466.1637615181|268|0000 0001 0000 1100|01|0C|
|71|B|493.8833012561|253|0000 0000 1111 1101|00|FD|
|72|C2|523.2511306012|239|0000 0000 1110 1111|00|EF|
|73|Db|554.3652619537|225|0000 0000 1110 0001|00|E1|
|74|D|587.3295358348|213|0000 0000 1101 0101|00|D5|
|75|Eb|622.2539674442|201|0000 0000 1100 1001|00|C9|
|76|E|659.2551138257|190|0000 0000 1011 1110|00|BE|
|77|F|698.4564628660|179|0000 0000 1011 0011|00|B3|
|78|Gb|739.9888454233|169|0000 0000 1010 1001|00|A9|
|79|G|783.9908719635|159|0000 0000 1001 1111|00|9F|
|80|Ab|830.6093951599|150|0000 0000 1001 0110|00|96|
|81|A |880.0000000000|142|0000 0000 1000 1110|00|8E|
|82|Bb|932.3275230362|134|0000 0000 1000 0110|00|86|
|83|B|987.7666025122|127|0000 0000 0111 1111|00|7F|
|84|C3|1045.0226120240|120|0000 0000 0111 1000|00|78|
|85|Db|1108.7305239075|113|0000 0000 0111 0001|00|71|
|86|D|1174.6590716696|106|0000 0000 0110 1010|00|6A|
|87|Eb|1244.5079348883|100|0000 0000 0110 0100|00|64|
|88|E|1318.5102276515|95|0000 0000 0101 1111|00|5F|
|89|F|1396.9129257320|89|0000 0000 0101 1001|00|59|
|90|Gb|1479.9776908465|84|0000 0000 0101 0100|00|54|
|91|G|1567.9817439270|80|0000 0000 0101 0000|00|50|
|92|Ab|1661.2187903198|75|0000 0000 0100 1011|00|4B|
|93|A |1760.0000000000|71|0000 0000 0100 0111|00|47|
|94|Bb|1864.6550460724|67|0000 0000 0100 0011|00|43|
|95|B|1975.5332050245|63|0000 0000 0011 1111|00|3F|
|96|C4|2093.0045224048|60|0000 0000 0011 1100|00|3C|
|97|Db|2217.4610478150|56|0000 0000 0011 1000|00|38|
|98|D|2349.3181433393|53|0000 0000 0011 0101|00|35|
|99|Eb|2489.0158697766|50|0000 0000 0011 0010|00|32|
|100|E|2637.0204553030|47|0000 0000 0010 1111|00|2F|
|101|F|2793.8258514640|45|0000 0000 0010 1101|00|2D|
|102|Gb|2959.9553816931|42|0000 0000 0010 1010|00|2A|
|103|G|3135.9634878540|40|0000 0000 0010 1000|00|28|
|104|Ab|3322.4375806396|38|0000 0000 0010 0110|00|26|
|105|A |3520.0000000000|36|0000 0000 0010 0100|00|24|
|106|Bb|3729.3100921447|34|0000 0000 0010 0010|00|22|
|107|B|3951.0664100490|32|0000 0000 0010 0000|00|20|
|108|C|4186.0090448096|30|0000 0000 0001 1110|00|1E|
|109|Db|4434.9220956300|28|0000 0000 0001 1100|00|1C|
|110|D|4698.6362866785|27|0000 0000 0001 1011|00|1B|
|111|Eb|4978.0317395533|25|0000 0000 0001 1001|00|19|
|112|E|5274.0409106059|24|0000 0000 0001 1000|00|18|
|113|F|5587.6517029281|22|0000 0000 0001 0110|00|16|
|114|Gb|5919.9107633862|21|0000 0000 0001 0101|00|15|
|115|G|6271.9269757080|20|0000 0000 0001 0100|00|14|
|116|Ab|6644.8751612791|19|0000 0000 0001 0011|00|13|
|117|A |7040.0000000000|18|0000 0000 0001 0010|00|12|
|118|Bb|7458.6201842894|17|0000 0000 0001 0001|00|11|
|119|B|7902.1328200980|16|0000 0000 0001 0000|00|10|
|120|C|8372.0180896192|15|0000 0000 0000 1111|00|0F|
|121|Db|8869.8441912599|14|0000 0000 0000 1110|00|0E|
|122|D|9397.2725733570|13|0000 0000 0000 1101|00|0D|
|123|Eb|9956.0634791066|13|0000 0000 0000 1101|00|0D|
|124|E|10548.0818212118|12|0000 0000 0000 1100|00|0C|
|125|F|11175.3034058561|11|0000 0000 0000 1011|00|0B|
|126|Gb|11839.8215267723|11|0000 0000 0000 1011|00|0B|
|127|G|12543.8539514160|10|0000 0000 0000 1010|00|0A|
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