AK4372 Datasheet, PDF (57/62 Pages) Asahi Kasei Microsystems – DAC with built-in PLL & HP-AMP

[AK4372]
Addr Register Name
D7
D6
D5
D4
D3
0DH Headphone Out Select
0
0
0
0
0
R/W
RD
RD
RD
RD
RD
Default
0
0
0
0
0
RINHL: RIN signal is added to the left channel of the Headphone-Amp
0: OFF (default)
1: ON
LINHR: LIN signal is added to the right channel of the Headphone-Amp
0: OFF (default)
1: ON
D2
D1
D0
0
LINHR RINHL
RD R/W R/W
0
0
0
Addr
0EH
Register Name
Headphone ATT
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
HPZ HMUTE ATTH4 ATTH3 ATTH2 ATTH1 ATTH0
RD R/W R/W R/W R/W R/W R/W R/W
0
0
0
0
0
0
0
0
ATTH4-0: Setting of the attenuation value of output signal from Headphone (Table 25)
Default: HMUTE bit = “0”, ATTH4-0 bits = “00” (0dB)
Setting of ATTH4-0 bits is enabled at HMUTE bit is “0”.
HMUTE: Mute control for Headphone-Amp (Table 25)
0: Normal operation. ATTH4-0 bits control attenuation value. (default)
1: Mute. ATTH4-0 bits are ignored.
HPZ: Headphone-Amp Pull-down Control
0: Shorted to GND (default)
1: Pulled-down by 200kΩ (typ)
MS0684-E-02
- 57 -
2008/12