YMF795 datasheet(16/45 Pages) YAMAHA

16 / 45 page

YMF795

-16-

SL3 - SL0 : Sustain level setting

The Sustain Level, in the case of decaying sound, is the transition level from the Decay Rate to the Release Rate, and

in the case of sustained sound, is a level held.

SL3

SL2

SL1

SL0

Weighted bit (dB)

-24

-12

-6

-3

AR[3:0]

DR[3:0]

RR[3:0]

Attack rate

-48 to 0dB (ms)

Decay Rate,

Release Rate

0 to -48dB (ms)

2.23

4.65

8.94

9.30

17.88

18.59

35.76

37.19

71.52

74.38

143.04

148.76

286.07

297.51

572.14

595.03

1144.25

1190.05

2288.56

2380.10

4577.12

4760.21

9154.25

9520.42

18308.50

19040.84

36617.00

∞

TL5 - TL0 : Total level setting

This function is used to set the envelope level.

TL5

TL4

TL3

TL2

TL1

TL0

Weighted bit (dB)

-24

-12

-6

-3

-1.5

-0.75

SUS : Sustain On/OFF setting

“0” : OFF

“1” : ON The Release Rate changes to “6” (2.29s) when the sound length comes to the end.

WAV : Waveform selection

The modulator and carrier can generate a sine wave; however, can generate a half-wave rectified waveform by setting

this bit. Setting this bit allows creation using wider timbres.

“0” : Sine wave

“1” : Half-wave rectified waveform of a sine wave.

FL2 - FL0 : Feed-back setting

This function is available only for the operator of Modulator. These bits specify the feedback modulation depth.

Be sure to set “0” to the operator of the carrier side. This is effective function for generating the strings timbres.

FL [2:0]

Modulation rate

π/16

π/ 8

π/ 4

π/ 2

2π

4π

WAV=0

WAV=1

YMF795 Datasheet(PDF) 16 Page - YAMAHA CORPORATION

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