AK4373 Datasheet, PDF (75/98 Pages) Asahi Kasei Microsystems – Low Power Stereo DAC with HP/SPK-Amp

[AK4373]
Addr
02H
Register Name
Signal Select 1
Default
D7
D6
D5
D4
D3
D2
D1
D0
SPPSN MINS DACS
0 HPBTL
0
PSEUDO
0
0
0
0
0
0
0
0
0
PSEUDO, HPBTL: Headphone Output Type Select
HPBTL bit
PSEUDO bit Headphone Output Type
Figure
0
0
Single-ended (default)
Figure 1
1
0
Differential
Figure 2
0
1
Pseudo cap-less
Figure 3
1
1
N/A
Table 46. Headphone Output Type Select (N/A: Not Available)
Table
Table 35
Table 36
Table 37
DACS: Switch Control from DAC to Speaker-Amp
0: OFF (default)
1: ON
When DACS bit is “1”, DAC output signal is input to Speaker-Amp.
MINS: Switch Control from MIN to Speaker-Amp
0: OFF (default)
1: ON
When MINS bit is “1”, monaural signal is input to Speaker-Amp.
SPPSN: Speaker-Amp Power-Save Mode
0: Power-Save Mode (default)
1: Normal Operation
When SPPSN bit is “0”, Speaker-Amp is in power-save mode. In this mode, the SPP pin goes to Hi-Z and the
SPN pin is outputs HVDD/2 voltage. When PMSPK bit = “1”, SPPSN bit is enabled.
Addr
03H
Register Name
Signal Select 2
Default
D7
D6
0
0
0
0
D5
D4
D3
D2
0
SPKG1 SPKG0
0
0
0
0
0
D1
D0
0
0
0
0
SPKG1-0: Speaker-Amp Output Gain Select (Table 42)
Addr
04H
Register Name
Mode Control 1
Default
D7
PLL3
0
D6
PLL2
0
D5
PLL1
0
D4
PLL0
0
D3
BCKO
0
D2
DIF2
0
D1
DIF1
1
D0
DIF0
0
DIF2-0: Audio Interface Format (Table 17)
Default: “010” (Left justified)
BCKO: BICK Output Frequency Select at Master Mode (Table 11)
PLL3-0: PLL Reference Clock Select (Table 5)
Default: “0000” (LRCK pin)
MS0991-E-00
- 75 -
2008/09