UM0522
Board architecture
17/39
7.4 Board
schematic
Figure 9.
Board schematic - control block
+5V
D2
3
ST
T
H1L06A
GN
DBB1
R3
6
N.M.
BC2
R2
0
N.M.
R3
7
22
R
R4
7
N.M.
R2
6
N.M.
D2
4
ST
T
H
1L06A
BA
2
BC1
D2
6
ST
T
H
1L06A
D2
2
STTH
1L
06
A
+5V
R2
1
22
R
GN
DBD1
BA
1
+15
V
+15
V
+15
V
R6
1
R1
9
1K
GN
DBF1
C1
8
N.M.
LI
N
1
SD
2
HIN
3
VCC
4
DIA
G
5
CIN
6
GND
7
VBOOT
14
HV
G
13
OUT
12
NC
11
NC
10
LVG
9
GND
8
IC3
L
6
3
8
6D
BD2
LI
N
1
SD
2
HIN
3
VCC
4
DIA
G
5
CIN
6
GND
7
VBOOT
14
HV
G
13
OUT
12
NC
11
NC
10
LVG
9
GND
8
IC4
L6386
D
LI
N
1
SD
2
HIN
3
VCC
4
DIA
G
5
CIN
6
GND
7
VBOOT
14
HV
G
13
OUT
12
NC
11
NC
10
LVG
9
GND
8
IC5
L6386
D
R3
1
2
2R
R2
3
12K
C1
1
2.2u
F
-16
V
R6
2
NC
11
NC
10
LVG
9
GND
8
IC3
L
6
3
8
6D
BD2
LI
N
1
SD
2
HIN
3
VCC
4
DIA
G
5
CIN
6
GND
7
VBOOT
14
HV
G
13
OUT
12
NC
11
NC
10
LVG
9
GND
8
IC4
L6386
D
LI
N
1
SD
2
HIN
3
VCC
4
DIA
G
5
CIN
6
GND
7
VBOOT
14
HV
G
13
OUT
12
NC
11
NC
10
LVG
9
GND
8
IC5
L6386
D
R3
1
2
2R
R2
3
12K
C1
1
2.2u
F
-16
V
R6
2
C1
2
2
.2
uF
-1
6V
C7
2
.2
uF
-1
6V
LS
+5V
R6
3
R1
100
R
R5
220
R
C1
3
100p
F
3
2
1
Q1
B
C
807
-25
C1
4
100p
F
3
2
1
Q2
B
C
807
-25
R6
1
0
0R
R7
220
R
C1
5
100p
F
C1
7
1n
F
3
2
1
Q3
B
C
807
-25
R8
100
R
R9
220
R
A
C
D1
2
LED
C1
6
100p
F
A
C
D1
3
LED
3
2
1
Q4
B
C
807
-25
R1
1
100
R
R1
4
220
R
D2
7
ST
T
H
1L06A
No
t Moun
t
No
t Moun
t
S2
SW PUSH
C1
9
100p
F
+5V
3
2
1
Q5
B
C
807
-25
R4
4
2.7
K
R3
0
100
R
R3
2
220
R
C2
0
100p
F
3
2
1
Q6
B
C
807
-25
R3
3
100
R
R4
5
2.7
K
R3
4
220
R
C3
9
1n
F
C2
8
100n
F
X1
CSTCE
16M
OV
53
-R
O
C4
9
10n
F
+5V
D2
5
ST
T
H
1L06A
BE
2
R4
3
27K
R3
8
100K
IP
RBC
+5V
C2
0
100p
F
3
2
1
Q6
B
C
807
-25
R3
3
100
R
R4
5
2.7
K
R3
4
220
R
C3
9
1n
F
C2
8
100n
F
X1
CSTCE
16M
OV
53
-R
O
C4
9
10n
F
+5V
D2
5
ST
T
H
1L06A
BE
2
R4
3
27K
R3
8
100K
IP
RBC
+5V
C2
2
1n
F
C3
0
10n
F
2
4
6
8
10
1
3
5
7
9
J7
IC
C
conne
cto
r :
H
E
10 m
ale
ty
pe
+5V
C2
3
470n
F
25V
C2
4
470n
F
25V
C2
5
470n
F
25V
R3
9
10K
+5V
R4
0
100K
C3
4
470n
F
R4
1
10K
R4
2
10K
BB
2
R4
6
1.5
K
MCO3
(HS)
1
OSC1
5
OSC2
6
Vss_1
7
Vdd_1
8
PA
3/PWM0/AIN0
9
PA5/
AR
TI
C1
/AIN
1
10
PB
0/MCVREF
11
PB
1/MCIA
12
PB
2/MCIB
13
PB
3/MCIC
14
PB
4/MIS
O
15
PB
5
/MOSI
/A
IN
3
16
MCO5
(HS)
3
MCO4
(HS)
2
MCES
4
PB6 (
H
S
)/SC
K
17
PB7 (
H
S
)/SS/
AIN
4
18
PC2/
OAP
19
PC3/
OAN
20
OAZ/MCCFI1
/A
IN
6
21
PC4/MCCREF
22
PC7/MCPWM
W
/AIN7
23
VAREF
24
VS
SA
25
V
SS_0
26
VDD_
0
27
RES
E
T
28
PD
0/O
C
M
P2_A/AI
N
11
29
PD2
/IC
AP
2
_
A
/MCZEM/A
IN
1
2
31
PD1 (HS)/OCMP
1
_
A
/MCPWMV/MCDEM
30
PD3/ICAP
1_
A
/A
IN13
32
PD4/EXTCLK
_A
/AIN14/ICCCLK
33
PD
5/AI
N
15
/IC
C
D
A
T
A
34
PD6 (HS)/RDI
35
PD7 (HS)/TDO
36
PE
O (HS)/
O
CM
P
2
_B
37
PE
1/
O
C
MP
1
_B
38
PE
2/ICAP
2_B
39
PE
3/ICAP
1_B
40
VP
P
41
MCO0
(HS)
42
MCO1
(HS)
43
MCO2
(HS)
44
IC6
ST7FMC2
S
4T6
-T
QFP
44
+5V
R3
5
N.M.
R5
1
56K
R5
2
47K
R5
3
t.
b
.d.
+5V
R5
4
PB
0/MCVREF
11
PB
1/MCIA
12
PB
2/MCIB
13
PB
3/MCIC
14
PB
4/MIS
O
15
PB
5
/MOSI
/A
IN
3
16
MCO5
(HS)
3
MCO4
(HS)
2
MCES
4
PB6 (
H
S
)/SC
K
17
PB7 (
H
S
)/SS/
AIN
4
18
PC2/
OAP
19
PC3/
OAN
20
OAZ/MCCFI1
/A
IN
6
21
PC4/MCCREF
22
PC7/MCPWM
W
/AIN7
23
VAREF
24
VS
SA
25
V
SS_0
26
VDD_
0
27
RES
E
T
28
PD
0/O
C
M
P2_A/AI
N
11
29
PD2
/IC
AP
2
_
A
/MCZEM/A
IN
1
2
31
PD1 (HS)/OCMP
1
_
A
/MCPWMV/MCDEM
30
PD3/ICAP
1_
A
/A
IN13
32
PD4/EXTCLK
_A
/AIN14/ICCCLK
33
PD
5/AI
N
15
/IC
C
D
A
T
A
34
PD6 (HS)/RDI
35
PD7 (HS)/TDO
36
PE
O (HS)/
O
CM
P
2
_B
37
PE
1/
O
C
MP
1
_B
38
PE
2/ICAP
2_B
39
PE
3/ICAP
1_B
40
VP
P
41
MCO0
(HS)
42
MCO1
(HS)
43
MCO2
(HS)
44
IC6
ST7FMC2
S
4T6
-T
QFP
44
+5V
R3
5
N.M.
R5
1
56K
R5
2
47K
R5
3
t.
b
.d.
+5V
R5
4
47K
C3
6
N.M
C5
0
1u
F
R5
5
68K
C4
0
100n
F
R5
6
33K
C3
7
4
7
pF N
.M
C3
8
4
7
pF N
.M
C4
1
4
7
pF N
.M
BF2
C5
1
10n
F
C4
2
100n
F
25V
+5V
C5
2
47K
C3
6
N.M
C5
0
1u
F
R5
5
68K
C4
0
100n
F
R5
6
33K
C3
7
4
7
pF N
.M
C3
8
4
7
pF N
.M
C4
1
4
7
pF N
.M
BF2
C5
1
10n
F
C4
2
100n
F
25V
+5V
C5
2
10n
F
R6
0
100
R
BE
1
R2
2
N.M.
BEMFA
BEMFB
BEMFC
LSC
S
C4
8
1n
F
R5
9
10K
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