ST 32L100CDISCOVERY, User Manual

Page: 28 / 30

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D
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091 Re
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Figure 13. MCU
-36
STMicroelectronics
Title:
Number: Rev: Sheet of B.1(PCB.SCH) Date:6/3/2013 MB1108 3 3
STM32L100 Discovery MCU
C21
100nF C19
100nF
VDD
C20
100nF
VDD
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PA
8
PA
9
PA
1
0
PA
1
1
PA
1
2
PA
1
3
PA14
PA15
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PB8
PB9
PB10
PB11
PB
1
2
PB
1
3
PB
1
4
PB
1
5
PC0
PC1
PC2
PC3
PC4
PC5
PC6 PC7 PC8 PC9
PC10
PC11
PC12
PC13
PC14
PC15
PH0
PH1
PD2
C15
6.8pF
C16
6.8pF
R24
0 R25
0
C13
20pF C14
20pF
R22
390
VDD
R27
10K
VDD
NRST
BOOT0
1 2
X2
8MHz
4 1
3 2
X3
MC306- G-06Q-32.768 (JFVNY)
R26
510
SB2
BOOT0
PA14
PA15
PC10
PC11
PC12
PD2
PB3
PB4
PB5
PB6
PB7
PB8
PB9
PB
1
2
PB
1
3
PB
1
4
PB
1
5
PC6 PC7 PC8 PC9 PA
8
PA
9
PA
1
0
PA
1
1
PA
1
2
PA
1
3
PA3
PA4
PA5
PA6
PA7
PC4
PC5
PB0
PB1
PB2
PB10
PB11
LD3
green
PC9
R30
330
LD4
blue
PC8
R31
660
C22
100nF
R29
220K
VDD
SB3
R28
330
R32
100
USER & WAKE-UP Button
PA0
Not Fitted
NRST
NRST
RESET Button
C23
100nF
R33
100K
VDD
SB4
Not Fitted
1
4 3
2
B2
SW
-P
U
S
H
-C
M
S
1
4 3
2
B1
SW
-P
U
S
H
-C
M
S
MCO
MCO
SB18
PC14
PC15
PH0
PH1
PC13
SB20
PA0
PA1
PA2
PC0
PC1
PC2
SB17
SB21
VDD
R23
0
SB16
C18
1uF
PC3
VDD
VL CD
C17
1uF
SB1
Close to XTAL & MCU
Close to STM32
Not Fitted
Not Fitted
VL
C
D
1
P
C
13
-
T
A
MP
ER
1 -
W
K
U
P
2
2
P
C
14
-
O
S
C
32_
IN
3
P
C
15
-
O
S
C
32_
OU
T
4
PH
0
-
O
S
C_
IN
5
P
H
1
-
O
S
C
_
OU
T
6
NR
S
T
7
PC0
8
PC1
9
PC2
10
PC3
11
VS
SA /
V
R
EF-
12
VDDA
/
V
R
EF+
13
PA
0
-
T
A
M
P
E
R2 -
W
K
U
P
1
14
PA
1
15
PA
2
16
PA3
17
VSS_4
18
VDD_4
19
PA4
20
PA5
21
PA6
22
PA7
23
PC4
24
PC5
25
PB0
26
PB1
27
PB2 or NPOR (1.8V mode)
28
PB10
29
PB11
30
VSS_1
31
VDD_1
32 PB
1
2
33
PB
1
3
34
PB
1
4
35
PB
1
5
36
PC6
37
PC7
38
PC8
39
PC9
40
PA
8
41
PA
9
42
PA
1
0
43
PA
1
1
44
PA
1
2
45
PA
1
3
46
V
SS_
2
47
VDD
_
2
48
PA14
49
PA15
50
PC10
51
PC11
52
PC12
53
PD2
54
PB3
55
PB4
56
PB5
57
PB6
58
PB7
59
BOOT0
60
PB8
61
PB9
62
VSS_3
63
VDD_3
64
U3
STM32L 100RCT6
VDD
VDD