YMU757B datasheet(13/43 Pages) YAMAHA

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YMU757B

-13-

Rest data

Default: 0000h

Index

b15

b14

B13

b12

b11

b10

$00h

CH1

CH0

VCHE

TI3

TI2

TI1

TI0

VCH2

VCH1

VCH0

CH1 - CH0 : Part setting

Using CH1 or 0 bit, set the part for each rest.

CH[1:0]

Part

00b

01b

10b

11b

TI3 - TI0 : Interval setting

These bits are used to set the interval before the note and rest are processed next.

The interval "48" represents the time for the whole note.

The following table is exactly the same as that for the note data.

TI [3:0]

Interval

VCHE, VCH 2 - 0 : Timbre change function

Although the maximum number of timbres that can be used simultaneously is four, the timbre can be changed during

sound reproduction by setting these bits. Set "1" for VCHE and use VCH2 to VCH0 to set the timbre No.. Then

starting with the note whose sound is to be generated next, the timbre for the part which has been set by using CH0

and 1 will be changed.

Change a tone after the pronunciation of a part to change stops completely.

The condition that pronunciation stops is not the condition that TK (pronunciation length) is finished, but the

condition that the time when releases of envelope is finished.

Be careful because strange sound momentarily is pronounced when you change a tone under the condition that

pronunciation doesn't stop completely.

If the timbre allotment is changed by using this function, the $30h register itself will be rewritten.

YMU757B Datasheet(PDF) 13 Page - YAMAHA CORPORATION

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