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DocID028599 Rev 7
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UM1974
Hardware layout and configuration
81
Table 15. NUCLEO-F303ZE pin assignments
Connector Pin
Pin
name
Signal name
STM32
pin
Function
Remark
Left connectors
CN8
1
NC
NC
-
-
Arduino
support
3
IOREF
IOREF
-
3.3 V Ref
5
RESET
RESET
NRST
RESET
7
+3.3 V
+3.3 V
-
3.3 V input/output
9
+5 V
+5 V
-
5 V output
11
GND
GND
-
ground
13
GND
GND
-
ground
15
V
IN
V
IN
-
Power input
2
D43
I/O
PC8
I/O
-
4
D44
I2S_A_CKIN
PC9
I2S_A
6
D45
I/O
PC10
I/O
8
D46
I/O
PC11
10
D47
I/O
PC12
12
D48
I/O
PD2
14
D49
I/O
PG2
16
D50
I/O
PG3
CN9
1
A0
ADC
PA3
ADC1_IN4
Arduino
support
3
A1
ADC
PC0
ADC12_IN6
5
A2
ADC
PC3
ADC12_IN9
7
A3
ADC
PD11
ADC34_IN8
9
A4
ADC
PD12 or
PB9
(1)
ADC34_IN9
(PD12) or
I2C1_SDA (PB9)
11
A5
ADC
PD13 or
PB8
(1)
ADC34_IN10
(PD13) or
I2C1_SCL (PB8)
13
D72
COMP1_INP
PA1
COMP
-
15
D71
COMP2_INP
PA7
(2)
I2C_2
17
D70
I2C_B_SMBA
PA8
19
D69
I2C_B_SCL
PA9
21
D68
I2C_B_SDA
PA10
23
GND
GND
-
ground
25
D67
CAN_RX
PD0
CAN_1
27
D66
CAN_TX
PD1
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