STMicroelectronics STM32G081B-EVAL User Manual page 55

two pin header for external analog input
CN17
SB43
PB2
Potentiometer
R111 0 R112 47
C90
[N/A]
Close to MCU on PCB
PA0 SB38
JOY_SEL
PC3 SB37
JOY_DOWN
PC8 SB39
JOY_LEFT
PC7 SB40
JOY_RIGHT
PC2 SB41
JOY_UP
Input pins with pull-down
Figure 35. STM32G081B-EVAL peripherals
LD1
+3V3 Green
1
LD2
Orange
1
LD3
Red
1
VDD_ANA LD4
Blue
1
C91
RV3 100nF
2
10K
R113 0
PC13
Tamper_key
Potentiometer
ESDALC6V1-1U2
B3
R106
5
VDD COMMON
100
2
Selection
3
DOWN
1
LEFT
4
RIGHT
6
UP
MT-008A
D8
ESDA6V1-5SC6
SB36
R104
2 PD5
LED1
510
SB35
R103
2 PD6
LED2
680
SB34
R102
2 PD8
LED3
680
1K[1%]
SB33
R101
2 PD9
LED4
680
LEDs
4.53K[1%]
VDD
R109
SB42 4.7K
B2
Tamper
D9 C89
100nF
R110
100
Tamper Button
7
GND
8
GND
PB7
I2C1_SDA
PB6
I2C1_SCL
EXT_I2C_PWR
Joystick
VDD<2.7V
IOs and some Analog IPs will work with degraded performances
+3V3
+3V3
+3V3
R99
R83
VDD U19A
510
3
1
2
R97 TS3702IPT
R98
0
U19B
R107 0 5
7
R105 0 6
VDD
TS3702IPT
Low Voltage LED
I2C_PU EXT_I2C_PWR
R10 R9
10K 10K R12
CN2 10K
1 2
PC0
3 4 EX_RESET
5 6
7 8
Open drain pin!
F206A-2*04MGF-A
SSM-104-L-DH (Samtec)
I2C extension connector
Title: Peripherals
Project: STM32G081B-EVAL Mother board
Variant: Variant name is not interpreted until output
Revision: B 01 - Reference: MB1350
Size: A4 Date: 31-AUG-17 Sheet: 8 of 12
LD8
Orange