Schematics
UM1460
56/67
DocID022136 Rev 5
Figure
2
8
. I/O pe
ripher
a
ls
1
1
2
2
3
3
4
4
D
D
C
C
B
B
A
A
STMicroelectronics
Title:
Number:
Rev:
Sheet
of
C.3(PCB.SCH)
Date:
7/20/2016
1
2
LD
3
Red
1
2
LD
2
Orange
1
2
LD
4
Blue
1
2
LD
1
Green
R155
510
R154
680
R141
680
R140
680
L
ED4
L
ED3
L
ED1
L
ED2
3
1
2
RV1
3386P-
103H[10%]
R151
0
+3V3
P
otentiometer
C122
10nF
R147
10K
R146
10K
R145
10K
R144
10K
R149
10K
+2V8
C119
100nF
C128
100nF
C120
100nF
C129
100nF
C121
100nF
R159
100
COMMON
5
Selection
2
DWON
3
LE
F
T
1
R
IGHT
4
UP
6
U32
MT008-A
R153
220K
1
4
3
2
B2
WKU
P
C124
do
not
fit
+3V3
R138
100
R148
4K7
1
4
3
2
B4
USER
C130
100nF
+3V3
R160
100
R142
4K7
1
4
3
2
B3
Tamper
C118
100nF
+3V3
R156
100
R139
330
R150
0
R143
0
JOY_SEL
JOY_DOWN
JOY_LE
F
T
JOY_RIGHT
JOY_UP
Anti_Tamper
WAKE
U
P
User_Button
E
E
P
ROM_SCL
EEPROM_SDA
MEMS_SCL
MEMS_SDA
MEMS_IN
T
1
MEMS_IN
T
2
E0
1
E1
2
E2
3
VSS
4
SDA
5
SCL
6
WC
7
VCC
8
U18
M24C64-RMN6TP
+3V3
R102
10K
JP2
4
VDD_IO
1
GND
2
Reserved
3
GND
4
GND
5
VDD
6
CS
7
INT1
8
INT2
9
GND
10
Reserved
11
SDO
12
SDA
13
SCL
14
U20
L
IS302DL
+2V8
R107
10K
+2V8
M
B786
12
20
STM32
20-21-45-46
G-EVAL
IO
Peripherals
Joystick
LEDs
EEPROM
MEMS
BUTTON
Potentiometer
C81
100nF
C89
100nF
To
IO
expandor
To
IO
expandor
R152
1K
PG
6
PG
8
PI
9
PC
7
P
C13
PA
0
P
G15
PF
9
PB
9
PB
6
PB
9
PB
6
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