AK4371 Datasheet, PDF (54/62 Pages) Asahi Kasei Microsystems – DAC with built-in PLL & HP-AMP

[AK4371]
Addr
0DH
Register Name
Headphone Out Select
R/W
Default
D7
RIN3HR
R/W
0
D6
RIN3HL
R/W
0
D5
LIN3HR
R/W
0
D4
LIN3HL
R/W
0
D3
RIN2HR
R/W
0
D2
RIN2HL
R/W
0
D1
LIN1HR
R/W
0
D0
RIN1HL
R/W
0
RIN1HL: RIN1 signal is added to the left channel of the Headphone-Amp
0: OFF (default)
1: ON
LIN1HR: LIN1 signal is added to the right channel of the Headphone-Amp
0: OFF (default)
1: ON
RIN2HL: RIN2 signal is added to the left channel of the Headphone-Amp
0: OFF (default)
1: ON
RIN2HR: RIN2 signal is added to the right channel of the Headphone-Amp
0: OFF (default)
1: ON
LIN3HL: LIN3 signal is added to the left channel of the Headphone-Amp
0: OFF (default)
1: ON
LIN3HR: LIN3 signal is added to the right channel of the Headphone-Amp
0: OFF (default)
1: ON
RIN3HL: RIN3 signal is added to the left channel of the Headphone-Amp
0: OFF (default)
1: ON
RIN3HR: RIN3 signal is added to the right channel of the Headphone-Amp
0: OFF (default)
1: ON
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 = “00H” (0dB)
Setting of ATTH4-0 bits is enabled at HMUTE bit is “0”.
HMUTE: Mute control for Headphone-Amp
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)
MS0596-E-00
- 54 -
2007/04