ak4560a AKM Semiconductor, Inc., ak4560a Datasheet - Page 28

• Manufacturer Part Number: ak4560a
• Description: 16bit Codec With Alc And Mic/hp/spk-amps
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
n MIC BLOCK
MIC block includes 2-inputs selectors, Internal MIC or External MIC Mode can be selected by MIC bit. (Refer to Figure
12 and Figure 13)
MS0028-E-00
INT_MIC_L
EXT_MIC_L
INT_MIC_L
EXT_MIC_L
60
59
60
59
Figure 13. Internal path at selecting External MIC Mode (HPF OFF)
Figure 12. Internal path at selecting Internal MIC Mode (HPF OFF)
INT/EXT
INT/EXT
62
Pre Amp
62
Pre Amp
-
+
-
+
63
63
From Rch
From Rch
FUNCTION DETAIL
1
1
64
- 28 -
64
EQ Amp
EQ Amp
-
+
-
+
2
INT/EXT
2
INT/EXT
HPF
HPF
OFF
61
OFF
61
ON
ON
+
-
3
HPF
+
-
3
HPF
HPF
HPF
4
4
5
5
To ALC1
To ALC1
[AK4560A]
2000/05