CS9236-CQ 查看數據表（PDF） - Cirrus Logic

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CS9236-CQ

Single-Chip Wavetable Music Synthesizer

Cirrus Logic 

CS9236

Channel Mode Messages (Continued)

OMNI MODE ON (Controller 125)

BnH

7DH

n = MIDI channel number

00H

0 - FH (1 - 16)

The CS9236 responds to the OMNI MODE ON message as if it were an ALL NOTES OFF message (See ALL NOTES

OFF). The specified channel remains in OMNI OFF mode (All channels operate only in OMNI OFF mode in the CS9236).

MONO MODE ON (Controller 126)

BnH

7EH

n = MIDI channel number

mm = number of mono

mmH

0 - FH (1 - 16)

00 - 10H (0 - 16) <ignored>

On receipt of the MONO MODE ON message, the CS9236 performs ALL SOUNDS OFF on the specified MIDI channel

(see description of ALL SOUNDS OFF message), and the specified channel is set to Mode 4 (OMNI OFF/MONO). In mode

4, the specified channel will respond to MIDI messages monophonically (it can only play one MIDI note at a time). In this

mode, if a NOTE ON message is received on the specified MIDI channel while a note is already sounding, the new note will

be played while the old/ongoing note is forced into the release phase of it’s amplitude envelope (the notes will overlap for

the duration of the release phase of the older note).

POLY MODE ON (Controller 127)

BnH

7FH

n = MIDI channel number

00H

0 - FH (1 - 16)

On receipt of the POLY MODE ON message, the CS9236 performs ALL SOUNDS OFF on the specified MIDI channel

(see description of ALL SOUNDS OFF message), and the specified channel is set to Mode 3 (OMNI OFF/POLY). In

mode 3, the specified channel will respond to MIDI messages polyphonically (it can play multiple MIDI notes simulta-

neously). Mode 3 is the default mode of operation for each MIDI channel in the CS9236.

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