Figure 5.
STM8 Uni Board - STM8 and supply
V
s
12
V
o
11
V
os
10
Re
s
5
V
cr
6
GN
D
3
U
2
L
49
95
R
X
1
C12
C C13
C
G
N
D
G
N
D
D
5
D
C10
C
G
N
D
G
N
D
C1
1
C
C8
C_EL
G
N
D
G
N
D
5V_S
TM8
C14
470n
G
N
D
G
N
D
5V_S
TM8
5V_S
TM8
G
N
D
5V_S
TM8
G
N
D
PA
3
PA
4
PA
5
PA
6
P
F
7
P
F
6
P
F
5
P
F
4
P
F
3
P
F
0
P
B7
P
B6
P
B5
P
B4
P
B3
P
B2
P
B1
P
B0
P
E
7
P
E
6
P
E
5
P
C1
P
C2
P
C3
P
C4
P
C5
P
C6
P
C7
P
G
0
P
G
1
P
C0
P
E
4
P
E
3
P
E
2
P
E
1
P
E
0
P
D
0
sw
im
P
D
2
P
D
3
P
D
4
P
D
5
P
D
6
P
D
7
U
SB
_5
V
_S
E
C
_A
U
SB
_R
X
D
U
SB
_T
X
D
JP
2
JU
M
P
_2x
RJ
M
P
1
0R
Optional
JP
4
JU
M
P
_3_P
IN
JP
5
JU
M
P
_3_P
IN
N
R
ST
C17
optiona
l
R12
optiona
l
5V_S
TM8
G
N
D
S
P
1
S
P
G
N
D
N
R
ST
PA
3
PA
4
PA
5
PA
6
P
F
7
P
F
6
P
F
5
P
F
4
P
F
3
P
F
0
P
B7
P
B6
P
B5
P
B4
P
B3
P
B2
P
B1
P
B0
P
E
7
P
E
6
P
D
2
P
D
3
P
D
4
P
D
5
P
D
6
P
D
7
P
E
5
P
C1
P
C2
P
C3
P
C4
P
C5
P
C6
P
C7
P
G
0
P
G
1
P
H
0
P
C0
P
E
4
P
E
3
P
E
2
P
E
1
P
E
0
P
D
0
1
2
3
4
5
6
7
8
9
10
J6
ICC/S
WIM
(ML
W
10
)
1
2
3
4
J5
S
W
IM
G
N
D
G
N
D
G
N
D
RS
T
sw
im
d
at
a
V
cc
ta
rg
.
5V_S
TM8
PA
3
PA
4
PA
5
PA
6
P
B0
P
B1
P
B2
P
B3
P
B4
P
B5
P
B6
P
B7
P
C1
P
C2
P
C3
P
C4
P
C5
P
C6
P
C7
P
D
0
P
D
2
P
D
3
P
D
4
P
D
5
P
D
6
P
D
7
P
E
0
P
E
1
P
E
2
P
E
3
P
E
4
P
E
5
P
E
6
P
E
7
P
F
0
P
F
3
P
F
4
P
F
5
P
F
6
P
F
7
P
G
0
P
G
1
P
C0
N
R
ST
+Vs
_P
ERM
+5V_DB
L
E
D
2
L
E
D
5V_S
TM8
R1
1
R
L
E
D
1
P
O
W
E
R
R6
R
G
N
D
C9
C
G
N
D
G
N
D
C16
100n
C15
100n
C18
100n
G
N
D
G
N
D
G
N
D
C7
C_EL
G
N
D
U
SB
_5
V
_S
E
C
_B
V
cc
1
G
N
D
2
N
C
3
INP
U
T
2
4
N
C
5
INP
U
T
1
6
N
C
7
CS
ENSE
1
8
N
C
9
CS
ENSE
2
10
CS
_DIS
11
V
cc
12
O
U
T
PU
T1
13
O
U
T
PU
T1
14
O
U
T
PU
T1
15
O
U
T
PU
T1
16
O
U
T
PU
T1
17
O
U
T
PU
T1
18
O
U
T
PU
T2
19
O
U
T
PU
T2
20
O
U
T
PU
T2
21
O
U
T
PU
T2
22
O
U
T
PU
T2
23
O
U
T
PU
T2
24
Vcc
25
U
1
V
N
D
50
25
A
1
2
J2
V
ba
t
2
1
3
Q
1
F
E
T
_N
G
N
D
R1
100k
R2
10k
T
r_d1
T
R
A
N
S
IL
_D
G
N
D
1
2
J1
Ivs
_M
ea
s_A
D
4
D
2
1
3
Q
2
F
E
T
_P
R4
10k
R3
100k
Z
D
2
BZV55C12
G
N
D
C3
C_EL
G
N
D
C2
C
G
N
D
R5
R
G
N
D
D
1
D
+Vs
_Ch_B
D
2
S
T
P
D
3
optiona
l
JP
1
JU
M
P
+5V_P
ERM
+5V_P
ERM
+5V_P
ERM
Q
3
BS
S
84
Q
4
BS
S
138
G
N
D
R14
R
R15
R
G
N
D
5V_S
U
P
_S
W
+5V_P
ERM
L
E
D
3
5V_S
W
R16
R
G
N
D
USB
optoc
ouple
rs
supply
switc
h
VS
supply
c
ha
ne
ls
A
a
nd
B
5V
supply
to/f
rom
da
ughte
rboa
rd
12V
pe
rm
ane
nt
supply
5V
pe
rm
ane
nt
supply
JP
3
JU
M
P
_3_P
IN
+5V_P
ERM
+5V_P
ERM
+Vs
_P
ERM
Cha
rge
pum
p
V
S_
C
H
_B
_S
W
V
S_
C
H
_A
_S
W
V
S_
C
H
_A
_S
W
V
S_
C
H
_B
_S
W
+Vs
_Ch_A
+Vs
_Ch_B
+5V_DB
+Vs
_Ch_A
R10
10k
R9
10k
C4
C_EL
G
N
D
P
B0/AIN0/TIM
1_NCC1
34
T
IM
1_
C
C
2/
P
C
2(
H
S
)
44
T
IM
1_
C
C
3/
P
C
3(
H
S
)
45
CAN_TX/P
G
0
52
P
F
7/AIN15
17
P
F
6/AIN14
18
P
F
5/AIN13
19
P
F
4/AIN12
20
V
D
D
A
23
P
F
0/AIN10
26
P
B7/AIN7
27
P
B4/AIN4
30
S
P
I_M
IS
O
/P
C
7
51
P
G
4
56
P
I0
57
T
IM
1_
B
K
IN
/P
E
3
67
I2C_S
D
A
/P
E
2
68
T
IM
3_
C
C
1/
P
D
2(
H
S
)
75
T
IM
2_
C
C
1/
P
D
4
77
L
IN
U
A
R
T
_T
X
/P
D
5
78
T
IM
3_
C
C
2/
P
D
0(
H
S
)
73
I2C_S
CL/P
E1
69
PA
3/
T
IM
2_
C
C
3
9
V
dd
io
_1
8
CAN_RX/P
G
1
53
P
G
2
54
P
G
3
55
P
G
5
63
P
G
6
64
P
E
4
66
L
IN
U
A
R
T
_R
X
/P
D
6
79
T
L
I/
P
D
7
80
S
W
IM
/P
D
1(
H
S
)
74
CLK_CCO/P
E0
70
P
B3/AIN3
31
P
B2/AIN2/TIM
1_NCC3
32
P
B1/AIN1/TIM
1_NCC2
33
S
P
I_NS
S
/PE
5
41
T
IM
1_
C
C
1/
P
C
1(
H
S
)
43
T
IM
1_
C
C
4/
P
C
4(
H
S
)
46
S
P
I_S
CK/P
C5
47
V
ss
io
_2
48
PA
2/
O
SC
O
U
T
3
V
ss
io
_1
4
V
SS
5
V
C
A
P
6
S
P
I_M
O
S
I/P
C6
50
V
dd
io
_2
49
V
D
D
7
PA
4/
U
SA
R
T_RX
10
PA
5/
U
SA
R
T_TX
11
PA
6/
U
SA
R
T_CX
12
P
E
6/
A
IN
9
40
A
D
C
_E
T
R
/T
IM
2_
C
C
2/
PD
3
76
P
G
7
65
P
B6/AIN6
28
PA
1/
O
SC
IN
2
N
R
ST
1
P
B5/AIN5
29
P
F
3/AIN1
1
21
V
R
E
F+
22
V
SS
A
24
V
R
E
F-
25
P
E
7/
A
IN
8
39
P
H
0
(HS
)
13
P
H
1
(HS
)
14
P
H
2
15
P
H
3
16
P
H
4/TIM
1_ETR
35
P
H
5/TIM
1_NCC3
36
P
H
6/TIM
1_NCC2
37
P
H
7/TIM
1_NCC1
38
A
D
C
_E
T
R
/P
C
0
42
P
I1
58
P
I2
59
P
I3
60
P
I4
61
P
I5
62
P
I6
71
P
I7
72
U
3
S
T
M
8A
F
51
xA
T
P
H
4
P
H
4
P
H
4
P
H
0
P
H
1
P
H
2
P
H
3
P
H
5
P
H
6
P
H
7
P
H
1
P
H
2
P
H
3
P
H
5
P
H
6
P
H
7
P
H
0
P
H
1
P
H
2
P
H
3
P
H
5
P
H
6
P
H
7
R13
optiona
l
G
N
D
+5V_P
ERM
+Vs
_P
ERM
E
X
_P
I0
E
X
_P
I1
E
X
_P
I2
E
X
_P
I3
E
X
_P
I4
E
X
_P
I5
E
X
_P
I6
E
X
_P
I0
E
X
_P
I1
E
X
_P
I2
E
X
_P
I3
E
X
_P
I4
E
X
_P
I5
E
X
_P
I6
E
X
_P
I0
E
X
_P
I1
E
X
_P
I2
E
X
_P
I3
E
X
_P
I4
E
X
_P
I5
E
X
_P
I6
JP
6
JU
M
P
_3_P
IN
G
N
D
5V_S
TM8
+5V_S
W
5V_S
U
P
_S
W
R7
R
R8
R
5V_S
TM8
+5V_S
W
E
X
_I
C
C
_C
L
O
C
K
G
N
D
R17
10k
G
N
D
E
X
_I
C
C
S
E
L
/V
P
P
E
X
_I
C
C
_R
E
S
E
T
E
X
_I
C
C
_D
A
TA
/
S
W
IM
JP
7
JU
M
P
_3_P
IN
NOTICE:
Fo
r Expander board
pr
og
ra
m
m
in
g
is
r
eq
ui
re
d
to
c
on
nect th
e 5
V_
STM8
to
the
ta
rge
t mi
cr
o
su
pp
ly
v
ol
ta
ge
E
xp
an
de
r
bo
ar
d
IC
C
c
on
ne
ct
io
n
C1
C
G
N
D
Z
D
1
BZV55C12
C5
C
C6
C
G
N
D
G
N
D
1
2
J4
V
ba
t
G
N
D
T
r_d2
T
R
A
N
S
IL
_D
G
N
D
D
6
D
_P
A1
_P
A2
_P
A1
_P
A2
_P
I7
_P
G
7
_P
G
6
_P
G
5
_P
G
3
_P
G
4
_P
G
2
E
X
_P
I0
E
X
_P
I1
E
X
_P
I2
E
X
_P
I3
E
X
_P
I4
E
X
_P
I5
E
X
_P
I6
_P
G
3
_P
G
4
_P
G
2
_P
G
7
_P
G
6
_P
G
5
_P
I7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
J8
CON_16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
J10
CON_16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J9
CON_20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J7
CON_20
1
2
3
4
5
6
7
8
J1
1
CON_8
G
N
D
G
N
D
G
N
D
J12
P
IN
J15
P
IN
J14
P
IN
J16
P
IN
J17
P
IN
J18
P
IN
J19
P
IN
J20
P
IN
sw
im
V
S_
C
H
_B
_S
W
V
S_
C
H
_A
_S
W
U
SB
_V
S_
C
H
A
U
SB
_V
S_
C
H
B
R18
10k
R19
10k
R20
10k
R21
10k
+5V_P
ERM
+5V_P
ERM
1
2
3
J3
Ivs
_M
ea
s_B
G
N
D
JP
11
JU
M
P
1
2
3
T
1
N
PN
D
7
D
R22
R
G
N
D
JP
9
JU
M
P
JP
10
JU
M
P
JP
8
JU
M
P
UM2983
Motherboard schematic
UM2983
-
Rev 1
page 6/17
