YMU757B 데이터 시트보기 (PDF) - Yamaha Corporation

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YMU757B

MA-1C

Yamaha Corporation 

YMU757B

Contents

• General description of YMU757B.………………………………………………………………3

• Block description……..…………………………………………………………………………4

• Pin configuration…..……………………………………………………………………………5

• Pin description….………………………………………………………………………………6

• Block diagram…..………………………………………………………………………………7

• Register map…….………………………………………………………………………………8

• Explanation of registers….………………………………………………………………………9-20

Musical score data...……………………………………………………………………9-13

Timbre data……….……………………………………………………………………14-17

Other control data………………………………………………………………………17-20

• Power-down control division diagram……………………………………………………………21

• Explanation of each bit..…...……………………………………………………………………21-23

• Resetting………………………………………..….………………………………………………24

• Settings & procedure required to generate melody…………………………………………………24

• Settings of clock frequency…………………………………………………………………………24

• Interrupt sequence...…..…………………………………………………………………………25

• State transition description..……...………………………………………………………………26-27

• 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.…………………………………30-31

• Sound quality correction circuit.…………………………………………………………………32-33

• Serial interface specifications.……………………………………………………………………34

• Electrical characteristics….………………………………………………………………………35-40

• General description of FM sound generator.………………………………………………………41

• External dimensions……..………………………………………………………………………42

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