Asahi KASEI AK4458, General Description Manual

Page: 77 / 84

[AK4458]
014011794-E-01 2015/08
- 77 -
Addr Register Name D7 D6 D5 D4 D3 D2 D1 D0
0DH Control 9 MONO4 MONO3 MONO2 0 SELLR4 SELLR3 0 0
R/W R/W R/W R/W R/W R/W R/W R/W R/W
Default 0 0 0 0 0 0 0 0
SELLR3: The data selection of DAC3 L channel and R channel, when MONO mode (
Table 24 )
Default value is “0”.
SELLR4: The data selection of DAC4 L channel and R channel, when MONO mode (
Table 25 )
Default value is “0”.
MONO2: DAC2 enters Mono output mode when MONO2 bit =“1”. (
Table 23 )
MONO3: DAC3 enters Mono output mode when MONO3 bit =“1”. ( Table 24 )
MONO4: DAC4 enters Mono output mode when MONO4 bit =“1”. ( Table 25 )
0: Stereo mode (default)
1: MONO mode
Addr Register Name D7 D6 D5 D4 D3 D2 D1 D0
0EH Control 10 DEM41 DEM40 DEM31 DEM30 0 0 0 0
R/W R/W R/W R/W R/W R/W R/W R/W R/W
Default 0 1 0 1 0 0 0 0
DEM31-0: DAC3 De-emphasis Response (
Table 17 )
DEM41-0: DAC4 De-emphasis Response ( Table 17 )
Default value is “01”. (OFF)
Addr Register Name D7 D6 D5 D4 D3 D2 D1 D0
0FH L2ch ATT ATT7 ATT6 ATT5 ATT4 ATT3 ATT2 ATT1 ATT0
10H R2ch ATT ATT7 ATT6 ATT5 ATT4 ATT3 ATT2 ATT1 ATT0
11H L3ch ATT ATT7 ATT6 ATT5 ATT4 ATT3 ATT2 ATT1 ATT0
12H R3ch ATT ATT7 ATT6 ATT5 ATT4 ATT3 ATT2 ATT1 ATT0
13H L4ch ATT ATT7 ATT6 ATT5 ATT4 ATT3 ATT2 ATT1 ATT0
14H R4ch ATT ATT7 ATT6 ATT5 ATT4 ATT3 ATT2 ATT1 ATT0
R/W R/W R/W R/W R/W R/W R/W R/W R/W
Default 1 1 1 1 1 1 1 1
ATT7-0: Attenuation Level (
Table 18 )
Initial value is “FF” (0dB)