STM32L152-EVAL STMicroelectronics, STM32L152-EVAL Datasheet - Page 32

• Manufacturer Part Number: STM32L152-EVAL
• Description: BOARD EVALUATION FOR STM32L
• Manufacturer: STMicroelectronics
• Type: MCUr

Specifications of STM32L152-EVAL

• New! Us2012 Catalog Page: STM8L-Discovery_STM32L152-EVAL
• Contents: Board
• Processor To Be Evaluated: STM32L1xxx
• Interface Type: UART
• Operating Supply Voltage: 2 V to 3.6 V
• For Use With/related Products: STM32L
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-10842

Figure 16. Audio
A
B
C
D
1
1
U29
KECG2740TBL
2
1
Audio_OUT
PA4
R103
0
C67
10uF
R128
100
VDD
C68
4.7uF
R99
1K
R106
2K2
C70
[N/A]
C72
47pF
VDD
R98
100K
R100
100K
C71
C75
100nF
R101
15K
470nF
JP16
TP8
2
+3V3
R110
2
R129
18K
22K
MIC+
C73
2.2uF
R109
10K
R135
680
C84
4.7uF
1
4
3
2
C83
1uF
RV1
[N/A]
2
U27
TS4990IST
Standby
VIN-
VIN+
Bypass
C74
330pF
R121
22K
3
4
VOUT1
VOUT2
R107
GND
VCC
+3V3
C82
180pF
82K
5
8
6
7
1
U28
TS461CLT
C66
1uF
Speaker-
CN3
ST-613
R108
+3V3
Speaker+
3
3
0
1
10
2
C69
[N/A]
TP9
MIC_OUT
R75
0
2
1
Title:
Number:
STM32L152-EVAL Audio
MB819
U25
KDMG15008-03
PE7
Rev:
B.3(PCB.SCH)
Audio_IN
Date: 11/8/2010
4
4
Sheet
4
of
14
A
D
B
C