AK4645AEZ Datasheet, PDF (68/85 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/HP-AMP

[AK4645A]
Addr
09H
0CH
Register Name
Lch Input Volume Control
Rch Input Volume Control
Default
D7
IVL7
IVR7
1
D6
IVL6
IVR6
1
D5
IVL5
IVR5
1
D4
IVL4
IVR4
0
D3
IVL3
IVR3
0
D2
IVL2
IVR2
0
IVL7-0, IVR7-0: ೖྗσΟδλϧϘϦϡʔϜ; 0.375dB step, 242 Level (Table 29)
Default: “E1H” (+30.0dB)
D1
IVL1
IVR1
0
D0
IVL0
IVR0
1
Addr Register Name
D7
D6
D5
0AH Lch Digital Volume Control DVL7
0DH Rch Digital Volume Control DVR7
DVL6
DVR6
DVL5
DVR5
Default
0
0
0


DVL7-0, DVR7-0: ग़ྗσΟδλϧϘϦϡʔϜ(Table 32)
Default: “18H” (0dB)


D4
DVL4
DVR4
1
D3
DVL3
DVR3
1
D2
DVL2
DVR2
0
D1
DVL1
DVR1
0
D0
DVL0
DVR0
0
Addr Register Name
D7
D6
D5
D4
D3
D2
D1
D0
0BH ALC Mode Control 3
RGAIN1 LMTH1
0
0
0
0
VBAT
0
Default
0
0
0
0
0
0
0
0


VBAT: ϔουϑΥϯΞϯϓͷίϞϯిѹ(Table 49)
0: 0.5 x HVDD (default)
1: 0.64 x AVDD


LMTH1: ALCϦϛολݕग़ઃఆϨϕϧ/ϦΧόϦ଴ػΧ΢ϯλϦηοτϨϕϧ(Table 21)
RGAIN1: ALCϦΧόϦήΠϯεςοϓ(Table 25)




Addr Register Name
D7
D6
0EH Mode Control 3
0
LOOP
Default
0
0
D5
SMUTE
0
D4
DVOLC
1
D3
BST1
0
D2
BST0
0
D1
DEM1
0
D0
DEM0
1
DEM1-0: σΟΤϯϑΝγείϯτϩʔϧ(Table 30)
Default: “01” (OFF)
BST1-0: ௿Ҭิਖ਼ճ࿏ͷίϯτϩʔϧ(Table 31)
Default: “00” (OFF)
DVOLC: σΟδλϧϘϦϡʔϜͷίϯτϩʔϧ
0: Independent
1: Dependent (default)
DVOLC bit = “1”ͷͱ͖ɺDVL7-0 bitͰ྆νϟωϧͷσΟδλϧϘϦϡʔϜ͕มԽ͠·͢ɻୠ͠ɺ
DVR7-0 bitʹDVL7-0 bitͷ஋͸ॻ͖ࠐ·Ε·ͤΜɻ
SMUTE: ιϑτϛϡʔτίϯτϩʔϧ
0: Normal Operation (default)
1: DAC outputs soft-muted
LOOP: σόΠε಺෦ϧʔϓόοΫ
0: SDTI → DAC (default)
1: SDTO → DAC
MS0986-J-00
- 68 -
2008/07