參數(shù)資料
型號(hào): YMU757
元件分類(lèi): 音頻合成
英文描述: TONE/MUSIC SYNTHESIZER, PDSO20
封裝: TSSOP-20
文件頁(yè)數(shù): 9/42頁(yè)
文件大小: 701K
代理商: YMU757
YMU757
#
-
17-
FL [2:0]
0
1
2
3
4
5
6
7
Modulation rate
0
/16
/ 8
/ 4
/ 2
2
4
Other control data
$30h
Timbre allotment data
One melody consistsoffourpartsand a timbre isallotted foreach ofthese parts.A m ong the eighttimbres registered
in the timbre data register,use fourofthem foreach ofthese parts.
Default:0000h
Index
b15
b14
b13
b12
b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
$30h
0
V32
V31
V30
0
V22
V21
V20
0
V12
V11
V10
0
V02
V01
V00
"x"in Vx[2:0]m eansthe partNo.
The timbre data used with Vx[2:0]are asfollow s.
Vx[2:0]
Timbre data to be used
0h
Timbre setforindex 10 to 13h isused.
1h
Timbre setforindex 14 to 17h isused.
2h
Timbre setforindex 18 to 1Bh isused.
3h
Timbre setforindex 1C to 1Fh isused.
4h
Timbre setforindex 20 to 23h isused.
5h
Timbre setforindex 24 to 27h isused.
6h
Timbre setforindex 28 to 2Bh isused.
7h
Timbre setforindex 2C to 2Fh isused.
$31h
Tempo data
The "tem po" refers to the num berofquarternotes reproduced in one minute.Use this setting to setthe tem po ofthe
melody used when reproduced.The setting data is (8739/TEM PO )-1
Default:0000h
Index
b15
b14
b13
b12
b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
$31h
0
T7
T6
T5
T4
T3
T2
T1
T0
$32h
FM section control
Default:0000h
Index
b15
b14
b13
b12
b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
$32h
0
CLR
ST
ST :Thisbitisused to controlstart/stop ofthe melody.Use "1"forthe startsetting and "0"forthe stop setting.
CLR :Thisbitisused to initialize the entire LSIby the software.BitCLR itselfisnotcleared when itissetas"1".
BitCLR should be written "0".
$33h
Clock selection
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