ak4644 AKM Semiconductor, Inc., ak4644 Datasheet - Page 73

• Manufacturer Part Number: ak4644
• Description: Stereo Codec With Mic/hp/rcv-amp
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
MS0477-E-01
Addr
0FH
DACH: Switch Control from DAC to Headphone-Amp
MINH: Switch Control from MIN pin to Headphone-Amp
HPM: Headphone-Amp Mono Output Select
IVOLC: Input Digital Volume Control Mode Select
0: OFF (Default)
1: ON
0: OFF (Default)
1: ON
0: Stereo (Default)
1: Mono
0: Independent
1: Dependent (Default)
Register Name
Mode Control 4
When the HPM bit = “1”, DAC output signal is output to Lch and Rch of the Headphone-Amp as (L+R)/2.
When IVOLC bit = “1”, IVL7-0 bits control both Lch and Rch volume level, while register values of IVL7-0
bits are not written to IVR7-0 bits. When IVOLC bit = “0”, IVL7-0 bits control Lch level and IVR7-0 bits
control Rch level, respectively.
Default
D7
0
0
D6
0
0
- 73 -
D5
0
0
D4
0
0
IVOLC
D3
1
HPM
D2
0
MINH
D1
0
[AK4644]
2006/10
DACH
D0
0