ST STM3220G-EVAL User Manual page 48

Schematic diagrams
Figure 29. I/O peripherals
C89 +2V8 U20
1
6
100nF 3
PB9 13
MEMS_SDA
PB6 14
MEMS_SCL
8
MEMS_ I NT1
9
MEMS_ I NT2
To I O expandor LI S302D L
C81 +3V3
U18 100nF
1 8
E0 VC C
2 7
E1 WC
3 6 PB6
E2 SCL
4 5 PB9
VSS SDA
M24C64 - RMN6T P
R150
PG15
User_Button
0
48/64
+2V8
R107
10 K
7
VDD_IO CS
12
VD D SD O
2
Reserved GND
10
SDA GND
5
SCL GND
4
INT1 GND
11
INT2 Reser v ed
LED 1
LED 2
LED 3
LED 4
R102 JP24
10K
EE P ROM_SCL
EE P ROM_SD A
+3V3
R148
4K7
Anti_Tamper
B4
USE R
C130
100n F
R160
100
Doc ID 018499 Rev 2
PF9
Potentiometer
LD1
Green
R155
PG6 1 2
510
LD2
Orange
R154
PG8 1 2
680
LD3
Red
R141
PI9 1 2
680
LD4
Blue
R140
PC7 1 2
680
To IO expandor
JOY_SEL
JOY_DOW N
JOY_LEF T
JOY_RIGHT
JOY_U P
+3V3
R142
4K7
PC13 R143
0
B3
Tamper
C118
100n F
R156
100
STM32 20-21-45-46 G-EVAL I/O Peripherals
Rev : B.1(PCB.SCH)
+3V3
R151 R152
2 RV1
3386P -103H[10%]
0 1K
C122
10nF
U32
R159
5
COMMON
100
+2V8
2
Selection
3
DWON
1
LEFT
4
RIGHT
6
UP
MT008- A
+3V3
R138
100
C124
do not fit
R139
PA0
WAKEU P
330
R153
220K
UM1057
B2
WK UP