Page 34
VCC-3.3V
C2
22pF
C3
22pF
X1
16
M
H
z
AVCC
U
0R
x-
PA
0
U
0T
x-
PA
1
R4
9
27
R5
0
27
SC
K0
-P
A2
M
O
SI
0-
PA
5
30
29
28
27
34
33
58
57
56
55
54
53
52
46
36
35
42 43 44 45
37
50
9
48 49
11
12
32
72
69
68
67
66
65
64
63
4
3
78 77
24
23
18
17
16
15
14
13
5
6
7
8
10
79
80
1
2
22
21
20
19
62
61
60
59
38 39 40 41
47
71
31
51
70
26
25
76
75
74
73
TM4C123GH6PZ
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
10
0
PA
7
PA
6
G
N
D
VD
D
PF
2
PF
1
VDD
GND
VDDA
VREFA+
PJ1
PJ0
VDD
VDD
VD
D
PF
3
XOSC0
GNDX
XOSC1
VBAT
G
N
D
PK
3
PB
5
PE
7
PE
6
VD
D
PG
7
PG
6
PC
1/
TM
S/
SW
D
IO
PC
2/
TD
I
PD3
PD2
PD
5
PD
4
PE
5
PE
4
G
N
D
PB
4
PE3
PA
2
PC6
PC7
GND
VDD
PH3
PH2
USBVBUS/PB1
USBID/PB0
HIB
OSC0
PE1
PJ2
GNDA
VD
D
C
PD
6
PD
7
PD0
PD1
PA
1
PA
0
PC4
PC5
PK
0
W
AK
E
OSC1
PG2
PK
2
PK
1
GND
PF
4
PF
5
PF7
PG1
VD
D
C
PH1
PH0
PE0
PF
6
PF
0
PG3
GND
PC
0/
TC
K/
SW
CL
K
PA
5
PA
4
PA
3
PE2
VREFA-
PG0
RST
PB2
PH
5
PH
7
PB3
PG4
PG5
PH
6
PH
4
VD
D
G
N
D
PC
3/
TD
O
/S
W
O
U1
TM4C123GH6PZ
VDDC
VDDC
C6
10pF
C7
10pF
X2
32
.7
68
KH
z
10uF
VCC-3.3V
C14
100nF
C15
100nF
C16
100nF
C17
100nF
E1
VCC-3.3VVCC-3.3VVCC-3.3VVCC-3.3V
C18
100nF
VCC-3.3V
C46
100nF
VCC-3.3V
C47
100nF
VCC-3.3V
C48
100nF
VCC-3.3V
C11
100nF
VDDC
C10
1uF
VDDC
C13
100nF
VDDC
C12
1uF
VDDC
M
IS
O
0-
PA
4
SCL0-PB2
SDA0-PB3
AN-PE3
AN-PE2
AN-PE1
AN-PE0
AN
-P
D
7
AN
-P
D
6
AN
-P
D
5
INT-PH0
INT-PH1
INT-PH2
INT-PH3
PC7
PC6
SCL2-PG0
SDA2-PG1
SCK1-PD0
MISO1-PD2
MOSI1-PD3
PW
M
-P
H
4
PW
M
-P
H
5
PW
M
-P
H
6
PW
M
-P
H
7
PG5
PG4
PG2
T-
D
1-
PF
1
T-
D
2-
PF
2
T-
D
3-
PF
3
T-
D
0-
PF
0
LCD-BLED
DRIVEA
DRIVEB
PJ2
PB
5
CN7
VREF-1.8
HDR1
M1X26
VCC-3.3V
VCC-SYS
MOSI0-PA5
MISO0-PA4
SCK0-PA2
SCL2-PG0
SDA2-PG1
SCK1-PD0
MISO1-PD2
MOSI1-PD3
INT-PH0
INT-PH1
INT-PH2
INT-PH3
AN-PE3
AN-PE2
AN-PE1
AN-PE0
AN-PD7
AN-PD6
AN-PD5
PC7
PC6
PJ2
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
HDR2
M1X26
VCC-3.3V
RST
L
R
SCL0-PB2
SDA0-PB3
U0Rx-PA0
U0Tx-PA1
PWM-PH4
PWM-PH5
PWM-PH6
PWM-PH7
PG5
PG4
PG2
PC0
PC1
PC2
PC3
PB5
T-D1-PF1
T-D2-PF2
T-D3-PF3
T-D0-PF0
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
R2 100
RST
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: Connecting pads schematics
12. Pads
decoupling
capacitors