YMF721 datasheet(32/41 Pages) LSI

32 / 41 page

YMF721

July 10, 1997

- 32 -

i) RPN

This is a message to set Pitch Bend Sensitivity and Tuning of each part.

After the modified parameter is designated by RPN MSB and RPN LSB, set the parameter value at

Data Entry.

Control No.

Parameter

Data range

100

RPN LSB

0 to 127

101

RPN MSB

0 to 127

RPN

MSB/LSB

Data Entry

MSB/LSB

00h 00H

mmH ---

Pitch Bend Sensitivity

mmH : 00H -18H (0-24 semitone)

------ : don’t care

2 octaves in semitone steps

Set to 2 semitones when powered on

00H 01H

mmH llH

Master Fine Tuning (-100¢ to 100¢)

mmH,llH : 00H,00H - 40H,00H - 7FH,7FH

(-8192*100/8192 to 0 +8192*100/8192¢)

00H 02H

mmH ---

Master Coarse Tuning (-24 - 0 - +24 semitone)

mmH : 28H -40H - 58H

---

: don’t care

2-2-3. Program Change

<CnH>

This is a message to select a tone (voice) used in each part. GM tone (Bank Select MSB 0) or drum kit

(Bank Select MSB 127) is received by combination with a Bank Select.

GM tone : 128 tones (Program No. 0 to 127)

Drum kit : 9 sets (Program No. 0, 1, 8, 16, 24, 25, 32, 40, 48)

2-2-4. Pitch Bend

<EnH>

<Data-L>

<Data-H>

This is a message to inform Pitch Bend information of each part.

Recieving the Pitch Bend message is valid only when GM tone, and invalid when drum kit.

Parameter

Data range

Data LSB

0 to 127

Data MSB

0 to 127

The resolution is 14 bits (-8192 to 8191).

2-2-5. Channel After Touch

<DnH>

<Data>

This is a message to inform a degree of pressure after playing a keyboard.

YMF721 Datasheet(PDF) 32 Page - LSI Computer Systems

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