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Table 6. Extension connector pinout
Extension
connector
pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
MCU Port
-
-
PA8
NRST
PB4
PC6
PA5
PC7
PB5
PB13
PA15
PB12
PC13
PC1
-
-
CAN2
-
-
-
-
-
-
-
-
Rx
Tx
-
Rx
-
-
-
-
USART6
-
-
-
-
-
Tx
-
Rx
-
-
-
-
-
-
-
-
I2S2
-
-
-
-
-
MCK
-
-
-
CK
-
WS
-
SD
-
-
SPI1
-
-
-
-
-
-
-
-
MOSI
-
NSS
-
-
-
-
-
TIMER
-
-
TIM1_
CH1
-
MISO
TIM3/TI
M8_
CH1
SCK
TIM3/
TIM8_
CH2
TIM3_
CH2
TIM1_
CH1N
TIM2_
CH1/2
_ETR
TIM1_
BKIN
-
-
-
-
ADC
-
-
-
-
-
-
ADC1/AD
C2_IN5
-
-
-
-
-
-
ADC123
_IN11
-
-
SYSTEM
+3V3
GND
MCO1 NRST
-
-
-
-
-
-
-
-
ANTI
TAMP1
-
Speaker
OUTAN
Speaker
OUTAP