ak4665a AKM Semiconductor, Inc., ak4665a Datasheet - Page 45

• Manufacturer Part Number: ak4665a
• Description: 20-bit Stereo Codec With Mic/hp-amp
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
MS0440-E-01
Addr
Addr
07H
08H
HPMTN: Mute of headphone amp.
DEM1-0: De-emphasis Filter Frequency Select (Table 21)
BST1-0: Bass Boost Function Select (Table 22)
DATTC: DAC Digital Attenuator Control Mode Select
SMUTE: Soft Mute Control
DACHL: DAC Lch output signal is added to Lch of headphone amp.
LINHL: Input signal to LIN pin is added to Lch of headphone amp.
MINHL: Input signal to MIN pin is added to Lch of headphone amp.
DACHR: DAC Rch output signal is added to Rch of headphone amp.
RINHR: Input signal to RIN pin is added to Rch of headphone amp.
MINHR: Input signal to MIN pin is added to Rch of headphone amp.
MOFF8: Soft transition for changing of DACHL, LINHL, MINHL, DACHR, RINHR, MINHR and HPMTN bits
Register Name
DAC Control
Register Name
Output Select 0
Default
Default
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.
0: Enable (Default)
1: Disable
0: Normal operation (Default)
1: DAC outputs soft-muted
0: OFF (Default)
1: ON
0: OFF (Default)
1: ON
0: OFF (Default)
1: ON
0: OFF (Default)
1: ON
0: OFF (Default)
1: ON
0: OFF (Default)
1: ON
0: Mute (Default)
1: Normal operation.
MOFF8
D7
D7
0
0
0
HPMTN
D6
D6
0
0
0
SMUTE
MINHR
- 45 -
D5
D5
0
0
DATTC
RINHR
D4
D4
0
0
DACHR
BST1
D3
D3
0
0
MINHL
BST0
D2
D2
0
0
DEM1
LINHL
D1
D1
0
0
[AK4665A]
DACHL
2006/05
DEM0
D0
D0
1
0