CS9236-CQ 查看數據表（PDF） - Cirrus Logic

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CS9236-CQ

Single-Chip Wavetable Music Synthesizer

Cirrus Logic 

CS9236

System Exclusive Messages (Continued)

ENABLE TEST TONE

F0H 00H 01H 02H 01H 01H 03H F7H

F0H = MIDI System Exclusive Header

00H, 01H, 02H =

System Exclusive Manufacturer ID:

Crystal Semiconductor Corp.

01H = Product ID: CS9236

01H = Model/Version ID: 01

03H = Message Type: Enable Test Mode

F7H = End of System Exclusive flag (EOX)

Receipt of the ENABLE TEST TONE system exclusive message will cause the CS9236 to output a 1 kHz sinusoidal test tone.

The test tone output will be affected by MIDI Channel Voice Messages for MIDI channel 10 (i.e. VOLUME, EXPRESSION,

PAN, PITCH BEND CHANGE, MODULATION, REVERB SEND LEVEL, CHORUS SEND LEVEL). The test tone output

level under default conditions for VOLUME, EXPRESSION, PAN, PITCH BEND CHANGE, MODULATION, REVERB

SEND LEVEL, and CHORUS SEND LEVEL on channel 10 is 34 dB below digital full scale. By default, the test tone output is

disabled.

DISABLE TEST TONE

F0H 00H 01H 02H 01H 01H 04H F7H

F0H = MIDI System Exclusive Header

00H, 01H, 02H =

System Exclusive Manufacturer ID:

Crystal Semiconductor Corp.

01H = Product ID: CS9236

01H = Model/Version ID: 01

04H = Message Type: Disable Test Mode

F7H = End of System Exclusive flag (EOX)

Receipt of the DISABLE TEST TONE system exclusive message will cause the CS9236 to disable the test tone output (See

description of ENABLE TEST TONE). By default, the test tone output is disabled.

DS214PP11

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