參數(shù)資料
型號： YMU757B
元件分類： 音頻合成
英文描述： TONE/MUSIC SYNTHESIZER, PQCC20
封裝： QFN-20
文件頁數(shù)： 43/43頁
文件大?。?/td> 663K
代理商： YMU757B
YMU757B
-9-
Explanation of registers
The YMU757B has three types of control registers. They are musical score data, timbre data and other control data.
Musical score data
$00h
Musical score data
The musical score data are written in FIFO whose capacity is 32 words. 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 blocks are available for sound range setting. The setting range is 1 to 3. Do not use "0" for setting.
The sound generation range involves the coefficient named "Multiple (multiplying factor for sound frequency).
By combining the octave block and Multiple settings, sounds can be generated in the ranges as listed in the table blow.
Since the setting ranges of "Multiple" coefficient is 0 to 7, actually, sounds can be generated in a wider 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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