ASAHI KASEI
[AK4367]
D0
Addr Register Name
07H Output Select 1
R/W
D7
0
RD
0
D6
0
RD
0
D5
0
RD
0
D4
0
RD
0
D3
MINM
R/W
0
D2
RINM
R/W
0
D1
LINM DACM
R/W
0
R/W
0
Default
DACM: DAC Lch and Rch outputs are added to MOUT buffer amp. Summation gain is −6dB for each channel.
0: OFF (Default)
1: ON
LINM: Input signal to LIN pin is added to MOUT buffer amp.
0: OFF (Default)
1: ON
RINM: Input signal to RIN pin is added to MOUT buffer amp.
0: OFF (Default)
1: ON
MINM: Input signal to MIN pin is added to MOUT buffer amp.
0: OFF (Default)
1: ON
200k(typ)
LIN pin
LINM bit
200k(typ)
RIN pin
RINM bit
100k(typ)
100k(typ)
200k(typ)
200k(typ)
MIN pin
MINM bit
DACL
DACR
−
+
MOUT pin
DACM bit
Figure 32. Summation circuit for MOUT
Gain of summation is 0dB for MIN and −6dB for LIN, RIN, DACL and DACR.
Addr Register Name
08H MOUT ATT
R/W
D7
0
RD
0
D6
0
RD
0
D5
0
RD
0
D4
0
RD
0
D3
D2
D1
D0
ATTM3 ATTM2 ATTM1 ATTM0
R/W
0
R/W
0
R/W
0
R/W
0
Default
ATTM3-0: Analog volume control for MOUT (Table 6)
Default: MMUTE bit = “0”, ATTM3-0 bits = “0000” (0dB)
Setting of ATTM3-0 bits is enabled at MMUTE bit is “0”.
MS0247-E-02
2005/10
- 34 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
