[AK4675]
■ MIC/LINE Input Selector
The AK4675 has input selector. When MDIF1, MDIF2, MDIF3 and MDIF4 bits are “0”, INL1-0 and INR1-0 bits select
LIN1/LIN2/LIN3/LIN4 and RIN1/RIN2/RIN3/RIN4, respectively. When MDIF1, MDIF2, MDIF3 and MDIF4 bits are
“1”, LIN1/RIN1, LIN2/RIN2, LIN3/RIN3 and LIN4/RIN4 pins become IN1+/−, IN2+/−, IN3+/− and IN4+/− pins,
respectively. In this case, full-differential input is available (Figure 52).
MDIF1 MDIF2 MDIF3 MDIF4
INL1
0
INL0
0
INR1
0
INR0
0
Lch
LIN1
Rch
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
1
0
0
0
0
0
0
0
1
0
RIN1
RIN2
RIN3
RIN4
RIN1
RIN2
RIN3
RIN4
RIN1
RIN2
RIN3
RIN4
RIN1
RIN2
RIN3
RIN4
(default)
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
1
1
1
1
1
0
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
1
1
1
0
0
1
1
0
0
0
0
0
1
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
1
1
0
1
1
1
1
1
1
1
1
0
1
1
1
LIN1
LIN1
LIN1
LIN2
LIN2
LIN2
LIN2
LIN3
LIN3
LIN3
LIN3
LIN4
LIN4
LIN4
LIN4
LIN1
IN4+/−
IN4+/−
IN4+/−
RIN1
RIN2
RIN4
IN4+/−
IN2+/−
IN2+/−
IN2+/−
IN2+/−
RIN2
LIN2
LIN3
IN3+/−
IN3+/−
IN3+/−
IN3+/−
LIN1
LIN3
LIN4
IN3+/−
IN1+/−
IN1+/−
IN1+/−
IN1+/−
IN1+/−
RIN3
RIN4
IN4+/−
IN2+/−
Others
Table 18. MIC-Amp Input Signal
N/A
MS0963-E-00
2008/05
- 65 -