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| YMF753 Datasheet, PDF (11/26 Pages) YAMAHA CORPORATION – AC97 Revision2.2 Audio CODEC with Digital Audio I/F | |||
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YMF753
26h : Power Down (Read/Write, Default: 000xh)
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
EAPD - PR5 PR4 PR3 PR2 PR1 PR0 -
-
-
- REF ANL DAC ADC
EAPD............This bit controls the state of EAPD (No.47) pin.
â0â : Low
â1â : High
PR5 ...............This bit controls the power state of the clock oscillation circuit.
â0â : Normal
â1â : Power down
PR4 ...............This bit controls the power state of the AC-Link.
â0â : Normal
â1â : Power down
PR3 ...............This bit controls the power state of the analog mixer.
â0â : Normal
â1â : Power down (Vref off)
PR2 ...............This bit controls the power state of the analog mixer.
â0â : Normal
â1â : Power down (Vref still on)
PR1 ...............This bit controls the power state of the D/A converter.
â0â : Normal
â1â : Power down
PR0 ...............This bit controls the power state of the A/D converter.
â0â : Normal
â1â : Power down
REF...............This bit is Read Only, and indicates the state of Vref.
â0â : Ground level
â1â : Reference voltage
ANL..............This bit is Read Only, and indicates the state of the analog mixer.
â0â : The analog mixer does not work.
â1â : The analog mixer works normally.
DAC..............This bit is Read Only, and indicates the state of the D/A converter.
â0â : The D/A converter does not work.
â1â : The D/A converter works normally.
ADC..............This bit is Read Only, and indicates the state of the A/D converter.
â0â : The A/D converter does not work.
â1â : The A/D converter works normally.
Note) When YMF753 is the Secondary CODEC, and both PR5 and PR4 are set to â1â, these bits are not
cleared by Warm Reset.
11
March 6, 2001
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