參數(shù)資料
型號(hào)： YMU757
元件分類： 音頻合成
英文描述： TONE/MUSIC SYNTHESIZER, PDSO20
封裝： TSSOP-20
文件頁(yè)數(shù)： 42/42頁(yè)
文件大小： 701K
代理商： YMU757
YMU757
#
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9-
Explanation of registers
The Y M U 757 hasthree typesofcontrolregisters.They are musicalscore data,timbre data and othercontroldata.
Musical score data
$00h
Musical score data
The m usical score data are w ritten in FIFO w hose capacity is 32 w ords. There are two types of musical score
data; note data and rest data.
Note data
Default: 0000h
Index
B15
b14
b13
b12
b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
$00h
BL1
BL0
NT3
NT2
NT1
NT0
CH1
CH0
VIB
TI3
TI2
TI1
TI0
TK2
TK1
TK0
BL1 – BL0 :Octave block setting
Three octave blocksare available forsound range setting.The setting range is1 to 3.Do notuse "0"forsetting.
The sound generation range involvesthe coefficientnam ed "M ultiple (multiplying factorforsound frequency).
By com bining the octave block and Multiple settings,soundscan be generated in the rangesaslisted in the table blow .
Since the setting ranges of "M ultiple" coefficientis 0 to 7,actually,sounds can be generated in a w ider ranges than
those given in the table below .
Multiple = 1 (x1)
Multiple = 2 (x2)
Multiple = 4 (x4)
BL[1:0] = 01b
C#3
(139Hz)
D3
(147Hz)
D#3
(156Hz)
E3
(165Hz)
F3
(175Hz)
F#3
(185Hz)
G3
(196Hz)
G#3
(208Hz)
A3
(220Hz)
A#3
(233Hz)
B3
(247Hz)
C4
(262Hz)
C#4
(277Hz)
D4
(294Hz)
D#4
(311Hz)
E4
(330Hz)
F4
(349Hz)
F#4
(370Hz)
G4
(392Hz)
G#4
(415Hz)
A4
(440Hz)
A#4
(466Hz)
B4
(494Hz)
C5
(523Hz)
C#5
(554Hz)
D5
(587Hz)
D#5
(622Hz)
E5
(659Hz)
F5
(698Hz)
F#5
(740Hz)
G5
(784Hz)
G#5
(831Hz)
A5
(880Hz)
A#5
(932Hz)
B5
(988Hz)
C6
(1046Hz)
BL[1:0] = 10b
C#4
(277Hz)
D4
(294Hz)
D#4
(311Hz)
E4
(330Hz)
F4
(349Hz)
F#4
(370Hz)
G4
(392Hz)
G#4
(415Hz)
A4
(440Hz)
A#4
(466Hz)
B4
(494Hz)
C5
(523Hz)
C#5
(554Hz)
D5
(587Hz)
D#5
(622Hz)
E5
(659Hz)
F5
(698Hz)
F#5
(740Hz)
G5
(784Hz)
G#5
(831Hz)
A5
(880Hz)
A#5
(932Hz)
B5
(988Hz)
C6
(1046Hz)
C#6
(1109Hz)
D6
(1175Hz)
D#6
(1245Hz)
E6
(1319Hz)
F6
(1397Hz)
F#6
(1480Hz)
G6
(1568Hz)
G#6
(1661Hz)
A6
(1760Hz)
A#6
(1865Hz)
B6
(1976Hz)
C7
(2093Hz)
BL[1:0] = 11b
C#5
(554Hz)
D5
(587Hz)
D#5
(622Hz)
E5
(659Hz)
F5
(698Hz)
F#5
(740Hz)
G5
(784Hz)
C#6
(1109Hz)
D6
(1175Hz)
D#6
(1245Hz)
E6
(1319Hz)
F6
(1397Hz)
F#6
(1480Hz)
G6
(1568Hz)
C#7
(2217Hz)
D7
(2349Hz)
D#7
(2489Hz)
E7
(2637Hz)
F7
(2794Hz)
F#7
(2960Hz)
G7
(3136Hz)
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