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參數(shù)資料
| 型號： | YMU757B |
| 廠商： | Yamaha Corporation |
| 英文描述： | 1-4 CABLE/SATELLITE TV SPLITTER, 2GHZ |
| 中文描述： | 馬- 1C號 |
| 文件頁數(shù)： | 23/43頁 |
| 文件大?。?/td> | 663K |
| 代理商： | YMU757B |
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YMU757B
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General description of YMU757B
The YMU757B is controlled by way of the serial interface.
Shown below is its internal configuration.
When the data is inputted into the serial interface, it is converted into the parallel data and transmitted to each
function block according to the index address.
The musical score data is stored in the 32-word FIFO first and then transmitted to the sequencer where it is interpreted
and signals to control sound generation of the FM synthesizer is output.
The timbre register is where up to 8 timber data can be stored.
Also, as the sequencer controlling parameters, the start/stop and tempo signals are provided.
In order to have sound generated, the following processes must be performed for this LSI.
1) Initial status setting (cancellation of power-down function, clock selection, etc.)
2) Timbre data setting
3) Writing the musical score data in FIFO before starting the sequence
4) Writing the next musical score data before FIFO becomes empty upon receipt of the interrupt signal from
FIFO during reproduction,.
(For the details, refer to "Settings & procedure required to generate melody".)
Serial
interface
FIFO
32word
/IRQ
Sequencer
FM
Synthesizer
D/A +
Volume
AMP
Timbre
register
Musical score
data
Tempo
START/STOP
Timbre allotment
Timbre Data
Volume, power management, etc.
SDIN
SYNC
SCLK
SPOUT
HPOUT
相關(guān)PDF資料 |
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| YMU757B | TONE/MUSIC SYNTHESIZER, PQCC20 |
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| YMU759B-QZ | TONE/MUSIC SYNTHESIZER, PQCC32 |
| YMU759B-Q | TONE/MUSIC SYNTHESIZER, PQCC32 |
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