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SN52010 Datasheet(PDF) 6 Page - SONiX Technology Company |
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SN52010 Datasheet(HTML) 6 Page - SONiX Technology Company |
6 / 11 page SN52010 2-Channel Speech Controller 5.6. Auto repetition Auto repetition function helps SN52010 series realize a “looping” sound automatically by hardware without any software effort. Auto repetition function is a very useful mechanism to implement “Sustain” sound in instrument synthesis. All 2 channels are equipped with this function. Arbitrary lengths of looping sound are accepted by SN52010. 5.7. Wave Mark This is a new function for SN52010 series, it allows user to add a special mark in wave data by the voice edit tool “CoolEdit” , ”Goldwav” , “SoundForge” . User can insert event tags in anywhere of his wave file and can easy to get this special code to do his special action during voice playing. That means, it should be easily to control the I/O (such as LED or Motor) and other actions to synchronize with voice. 5.8. Push-Pull output A Push-Pull Direct Drive circuit is built-in SN52010. The maximum resolution of Push-Pull is 8 bits (8 bit structure with LSB set to 0). Two huge output stage circuits are designed in SN52010. With this advanced circuit, the chip is capable of driving speaker directly without external transistors. 5.9. Volume Control Function Bit0~Bit2 of VOL Register is applied to control the volume of voice. The relationship between output current and mode2 register is listed in the following table (power on set to 111). Bit3 of VOL register provide for VOL Output division 2. Bit2 Bit1 Bit0 Output Volume 0 0 0 46.5 DB 0 0 1 52.2 DB 0 1 0 58.1 DB 0 1 1 63.9 DB 1 0 0 70.3 DB 1 0 1 77.2 DB 1 1 0 82.3 DB 1 1 1 88.0 DB Ver: 1.0 March 2,2005 6 |
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