Page 34
Page 35
58
57
56
55
54
53
52
72
69
68
67
66
65
64
63
8
7
9
0
62
61
60
59
71
51
70
6
75
74
73
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
R7 100
VCC-3.3
AVCC
PA1
PA2
PC0
PA
3
U
2R
x-
PD
6
U
2T
x-
PD
5
SD
A
1-
PB
7
SC
L1
-P
B6
PA
5
PA
6
PA
4
30
29
28
27
34
33
46
36
35
42
43
44
45
37
50
9
48
49
11
12
32
4
3
7
7
24
23
18
17
16
15
14
13
5
6
7
8
10
7
8
1
2
22
21
20
19
38
39
40
41
47
31
26
25
7
8
8
8
8
8
8
8
8
8
9
9
9
9
9
9
9
9
9
9
10
PE
11
PE
10
PE6
VBAT
PC13/TAMPER_RTC
PC14/OSC32_IN
PA10
PA9
PA8
PD9
PE
13
PE
12
PB13
PB14
PB15
PD8
PE
14
PE
15
PB
5
PB
4
PB
3
PB
7
PD
7
PD
6
PE5
PE4
PE
1
PE
0
PB
9
PB
8
BO
O
T0
PB
6
OSC_IN
PA0-WKUP
VDDA
VREF+
GNDA
VDD
PC3
PA12
PA11
PB12
PC8
NRST
VDD
GND
PE
7
PD
R
_O
N
(R
FU
)
VD
D
PE2
PE3
PA2
PA1
VC
A
P
VD
D
PC9
PD13
PB
10
PB
11
PD10
PE
8
PB
2
PD11
PD14
PD
5
PC2
PC1
PC0
PB
1
PE
9
PD12
PC7
OSC_OUT
PC15/OSC32_OUT
PD15
PC6
PA13
PC
10
PA
14
VCAP
GND
VDD
PA
15
PC
11
PC
12
PD
0
PA
6
PA
5
PC
4
PA
7
PC
5
PB
0
G
N
D
VD
D
PA
3
PA
4
PD
1
PD
2
PD
3
PD
4
U1
M
IS
O
3-
PC
11
R4
27
R5
27
SC
K3
-P
C
10
M
O
SI
3-
PC
12
VREF-1.8
PD
0
PA
7
PA8
PA10
PD14
PC1
PC2
PC3
PC
4
PC
5
SC
L2
-P
B1
0
SD
A
2-
PB
11
PB12
SCK2-PB13
MISO2-PB14
MOSI2-PB15
PB
5
PD
1
PD
2
PD
4
PD8
PD9
PD10
PD11
PD12
PD13
R65
100K
C41
2.2uF
C42
2.2uF
R66 100K
RST
RX
TX
SCK
SDI
SDO
SDA
SCL
AN
INT
PWM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
HDR1
M1X26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
HDR2
M1X26
VCC-3.3
VCC-3.3
VCC-SYS
RST
L
R
PC4
U2Rx-PD6
U2Tx-PD5
MISO3-PC11
SCK3-PC10
MOSI3-PC12
SDA1-PB7
SCL1-PB6
PA1
PA2
PC0
PA3
PA4
PA6
PA5
PD2
PC2
PC3
PC5
PD0
PA7
PA8
PA10
PD14
PC1
SCL2-PB10
SDA2-PB11
SCK2-PB13
PB12
MISO2-PB14
MOSI2-PB15
PB5
PD1
PD4
PD8
PD9
PD10
PD11
PD12
PD13
PE13
PE14
PE
13
PE
14
decoupling
capacitors
C5
100nF
C6
100nF
C7
100nF
C8
100nF
E8
10uF
VCC-3.3 VCC-3.3 VCC-3.3 VCC-3.3
VCC-3.3
C31
100nF
VCC-3.3
VCC-3.3
J3
J2
STM32F207VGT6
STM32F407VGT6
12. Pads
Most microcontroller pins are available for further connectivity via two 1x26 rows of connection
pads on both sides of the mikromedia board. They are designed to match additional shields,
such as Battery Boost shield, Gaming, PROTO shield and others.
Pads HDR2
Pads HDR1
Figure 12-1: Pads connecting schematics