AK4665A Datasheet, PDF (45/52 Pages) Asahi Kasei Microsystems – 20-Bit Stereo CODEC with MIC/HP-AMP

ASAHI KASEI
[AK4665A]
Addr Register Name
07H DAC Control
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
0 SMUTE DATTC BST1 BST0 DEM1 DEM0
0
0
0
0
0
0
0
1
DEM1-0: De-emphasis Filter Frequency Select (Table 21)
BST1-0: Bass Boost Function Select (Table 22)
DATTC: DAC Digital Attenuator Control Mode Select
0: Independent (Default)
1: Dependent
When DATTC bit is “1”, ATTL7-0 bits control both Lch and Rch attenuation level, while register values of
ATTL7-0 bits are not written to ATTR7-0 bits. When DATTC bit is “0”, ATTL7-0 bits control Lch level
and ATTR7-0 bits control Rch level.
SMUTE: Soft Mute Control
0: Normal operation (Default)
1: DAC outputs soft-muted
Addr Register Name
08H Output Select 0
Default
D7
MOFF8
0
D6
HPMTN
0
D5
MINHR
0
D4
RINHR
0
D3
DACHR
0
D2
MINHL
0
D1
LINHL
0
D0
DACHL
0
DACHL: DAC Lch output signal is added to Lch of headphone amp.
0: OFF (Default)
1: ON
LINHL: Input signal to LIN pin is added to Lch of headphone amp.
0: OFF (Default)
1: ON
MINHL: Input signal to MIN pin is added to Lch of headphone amp.
0: OFF (Default)
1: ON
DACHR: DAC Rch output signal is added to Rch of headphone amp.
0: OFF (Default)
1: ON
RINHR: Input signal to RIN pin is added to Rch of headphone amp.
0: OFF (Default)
1: ON
MINHR: Input signal to MIN pin is added to Rch of headphone amp.
0: OFF (Default)
1: ON
HPMTN: Mute of headphone amp.
0: Mute (Default)
1: Normal operation.
MOFF8: Soft transition for changing of DACHL, LINHL, MINHL, DACHR, RINHR, MINHR and HPMTN bits
0: Enable (Default)
1: Disable
MS0440-E-01
- 45 -
2006/05