mb_ay_3_8912_-_midi_to_hz_chart
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 |
mb_ay_3_8912_-_midi_to_hz_chart.txt · Last modified: 2009/06/23 13:52 by 193.159.161.34