
YMF743
December 18, 2000
11
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.
“0” : Low
“1” : High
PR5 ...............Keep this bit to “0”.
PR4 ...............This bit controls the power state of the AC-Link.
“0” : Normal
“1” : Powar down
PR3 ...............This bit controls the power state of the analog mixer.
“0” : Normal
“1” : Powar down (Vref off)
PR2 ...............This bit controls the power state of the analog mixer.
“0” : Normal
“1” : Powar down (Vref still on)
PR1 ...............This bit controls the power state of the D/A converter.
“0” : Normal
“1” : Powar down
PR0 ...............This bit controls the power state of the A/D converter.
“0” : Normal
“1” : Powar down
REF...............This bit is Read Only, and indicates the state of Vref.
“0” : Ground level
“1” : 2.5V
ANL..............This bit is Read Only, and indicates the state of the analog mixer.
“0” : The analog mixer does not work.
“1” : The analog mixer works normally.
DAC..............This bit is Read Only, and indicates the state of the D/A converter.
“0” : The D/A converter does not work.
“1” : The D/A converter works normally.
ADC..............This bit is Read Only, and indicates the state of the A/D converter.
“0” : The A/D converter does not work.
“1” : The A/D converter works normally.
Note) When YMF743 is the Secondary CODEC, PR4 is not cleared by Warm Reset.