STMicroelectronics Evaluation board for STM32L1 series - with STM32L152ZD MCU STM32L152D-EVAL STM32L152D-EVAL Fiche De Données
Codes de produits
STM32L152D-EVAL
Sch
e
m
a
tics
UM
010
18
3
0
/4
D
oc
ID
1
ID
1
814
1 R
e
v
2
Figure 16.
Audio
1
1
2
2
3
3
4
4
D
D
C
C
B
B
A
A
STMicroelectronics
Title:
Number:
Rev:
Sheet of
B.4(PCB.SCH)
Date:
9/7/2011
1
2
U29
KECG2740TBL
KECG2740TBL
2
1
1
U25
KDMG15008-03
KDMG15008-03
C82
180pF
C75
100nF
R98
100K
100K
R100
100K
100K
R109
10K
10K
JP16
+3V3
+3V3
C71
470nF
R110
22K
R121
22K
C74
330pF
C66
1uF
1uF
TP9
MIC_OUT
MIC_OUT
TP8
MIC+
R99
1K
1K
R128
100
R106
2K2
2K2
C72
47pF
47pF
VDD
R101
15K
1
3
2
RV1
[N/A]
[N/A]
Speaker+
Speaker-
1
10
2
10
2
CN3
ST-613
C69
[N/A]
[N/A]
R108
0
Audio_OUT
Audio_IN
C67
10uF
C68
4.7uF
4.7uF
C73
2.2uF
2.2uF
R129
18K
18K
VDD
R107
82K
R135
680
680
C84
4.7uF
4.7uF
+3V3
R103
0
C70
[N/A]
[N/A]
MB819
4
14
STM32L152-EVAL Audio
Standby
1
Bypass
2
VIN+
3
VIN-
4
VOUT1
5
VCC
6
GND
7
VOUT2
8
U27
TS4990IST
C83
1uF
1uF
PA4
PE7
R75
0
4
3
1
2
5
U28
TS461CLT
TS461CLT