Electrical schematics
UM2198
64/69
DocID030511 Rev 1
Figure
3
6
. MFX
16
17
MFX
MB1246
B.2
6/9/2017
Title:
Size:
Reference:
Date:
Sheet:
of
A4
Revision:
STM32H7x3I-EVAL
P
roject:
M
F
X
_
IRQOUT
MFX_S
W
CLK
MFX
Multi
Function
eXpander
MFX_S
W
DIO
R185
0
PI8
MFX_S
W
DIO
MFX_S
W
CLK
1
2
3
4
5
CN22
[N/A]
C171
100nF
C167
100nF
C168
100nF
C169
100nF
one
capacitor
close
to
each
MFX
pins:
VDD,
VDD_1,
VDD_2,
VDD_3
C163
100nF
I2C1_SDA
I2C1_SCL
R181
0
R180
0
PB6
PB7
R184
10K
R174
4
7
K
[N/A]
R170
1
0
K
[N/A]
C85
100nF[N/A]
R182
510
L8
F
errite
C76
1uF
C82
100nF
R166
[N/A]
L
oop
M
F
X_IO
5
M
F
X_IO
6
M
F
X_IO
7
M
F
X_IO
8
M
F
X_IO
9
M
F
X_IO10
M
F
X_IO11
M
F
X_IO12
M
F
X_IO13
M
F
X_IO14
M
F
X_IO15
+3V3
+3V3
+3V3
+3V3
+3V3
Default
I2C
Address:1000010
+3V3
R183
[N/A]
R173
0
M
F
X_WKU
P
TP1
0
M
F
X_IO
0
M
F
X_IO
1
M
F
X_IO
2
M
F
X_IO
3
M
F
X_IO
4
R172
0
RESET#
D15
BAT60JFI
L
M
MFX_V3
WAKE
U
P
2
NRST
7
TSC_XP/GPO0
10
TSC_XN/GPO1
11
TSC_YP/GPO2
12
TSC_YN/GPO3
13
USART_TX
21
USART_RX
22
SPARE
14
SWDIO
34
SWCLK
37
I2C_SCL
42
I2C_SDA
43
BOOT0
44
I2C_ADDR
45
IRQOUT
46
IDD_CAL/GPO4
3
IDD_SH0
4
IDD_SH1/GPO5
5
IDD_SH2/GPO6
6
IDD_MEAS
25
GPI
O
0
18
GPI
O
1
19
GPI
O
2
20
GPI
O
3
39
GPI
O
4
40
GPI
O
5
15
GPI
O
6
16
GPI
O
7
17
GPI
O
8
29
GPI
O
9
30
GPI
O
1
0
31
GPI
O
1
1
32
GPI
O
1
2
33
GPI
O
1
3
26
IDD_SH3/GPO7
38
GPI
O
1
4
27
GPI
O
1
5
28
IDD_VDD_MCU
41
VDD
1
VDDA
9
VDD_1
24
VDD_2
36
VDD_3
48
VSSA
8
VSS_1
23
VSS_2
35
VSS_3
47
U24
STM32L152CCT6
PA0
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