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参数资料
| 型号： | YMU757B-QZ |
| 元件分类： | 音频合成 |
| 英文描述： | TONE/MUSIC SYNTHESIZER, PQCC20 |
| 封装： | LEAD FREE, QFN-20 |
| 文件页数： | 12/43页 |
| 文件大小： | 990K |
| 代理商： | YMU757B-QZ |
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YMU757B
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Contents
General description of YMU757B ............................................................................................................... 3
Block description........................................................................................................................................... 4
Pin configuration........................................................................................................................................... 5
Pin description............................................................................................................................................... 6
Block diagram................................................................................................................................................ 7
Register map .................................................................................................................................................. 8
Explanation of registers................................................................................................................................ 9
Musical score data..................................................................................................................................... 9
Timbre data ............................................................................................................................................. 14
Other control data................................................................................................................................... 17
Power-down control division diagram ...................................................................................................... 21
Explanation of each bit ............................................................................................................................... 21
Resetting....................................................................................................................................................... 24
Settings and procedure to generate melody.............................................................................................. 24
Setting of clock frequency .......................................................................................................................... 24
Interrupt sequence ...................................................................................................................................... 25
State transition description ........................................................................................................................ 26
Operation in FIFO empty state.................................................................................................................. 28
Reproduction method assuming occurrence of empty state.................................................................... 28
Example of system connection ................................................................................................................... 29
One sound and volume level adjustment in 4 sound pronunciation....................................................... 30
Sound quality correction circuit ................................................................................................................ 32
Serial I/F Specifications .............................................................................................................................. 34
Electrical characteristics............................................................................................................................. 35
General description of FM sound generator ............................................................................................ 41
External dimensions.................................................................................................................................... 42
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