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AN4146 Datasheet(PDF) 23 Page - STMicroelectronics

Part # AN4146
Description  STSmartVoice demonstration board STEVAL-MKI126Vx
PDF  30 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN4146 Datasheet(HTML) 23 Page - STMicroelectronics

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DocID023502 Rev 2
23/30
AN4146
STEVAL-MKI126Vx schematics, layout and BOM
Figure 20. STEVAL-MKI126Vx schematic - page 2
C2
33nF
C3
1uF
C39
100nF
+
C40
10uF
1
VL
2
I/O_VL1
3
I/O_VCC2
4
I/O_VL3
5
I/O_VCC4
6
I/O_VL5
7
I/O_VCC6
8
I/O_VL7
9
I/O_VCC8
10
GND
20
VCC
19
I/O_VCC1
18
I/O_VL2
17
I/O_VCC3
16
I/O_VL4
15
I/O_VCC5
14
I/O_VL6
13
I/O_VCC7
12
I/O_VL8
11
OE
U6
ST23783E
C18
100nF
C19
100nF
1
2
3
S1
1
VIN
3
VINH
5
OUT
U2
LDS3985XX
+C24
10uF
3
VIN
2
VOUT
GND
U7
IC-LD1117V33
1
2
J20
CN-02P
+
C26
100nF
C27
100nF
1V8
3V3_INT
1V8
3V3_INT
MIC_DATA1
MIC_DATA2
MIC_DATA3
MIC_DATA4
MIC_DATA5
MIC_DATA6
PDMIN_2_2378
PDMIN_4_2378
PDMIN_6_2378
PDMIN_1_2378
PDMIN_3_2378
PDMIN_5_2378
CKOUT_H
CKOUT/4_H
CKOUT_L
CKOUT/4_L
1V8
3V3_EXT
CK
D
Q
Q
QQ
D
CK
1
CLR
2
1D
3
1CK
4
1PR
5
1Q
6
1Q
7
GND
8
2Q
9
2Q
10
2PR
11
2CK
12
2D
13
2CLR
14
VDD
U4
74VHC74
12
34
56
78
910
11
12
13
14
15
16
J15
JP1
JP
1
2
R4 100
1
2
R5 100
C4
47pF
1
2
R6
0R0
C6
10pF
C7
10pF
C23
100nF
+
3V3_INT
CKOUT_H
CKOUT/2_H
CKOUT/4_H
SDO_12
SDO_34
SDO_56
BICKO
LRCKO
SCL
3V3
RESET
PWDN
SDA
MCLK
MUTE
FAIL



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