User's Manual

Autolinking Everything User Manual-ALXC1X
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5 SPI1_NSS/PA4 I/O SPI_NSS
6 SPI1_SCK/PA5 I/O SPI_SCK
7 SPI1_MISO/PB4 I/O SPI_MISO
8 USART2_TX/PA2 I/O GPIOPIN
9 NC‐ Nofunction
10 VBATMCUoperatingvoltageinput(power
supplyforRTC,externalclock,32kHz
oscillatorandbackupregisters
(throughpowerswitch)whenVDDis
notpresent.)
11 NC‐ Nofunction
12 USART2_RX/PA3 I/O GPIOPIN
13 MICRO_RST_N I/O MCUReset
14 WAKE_UP I/O Wakeup
15 NC‐ Nofunction
16 NC‐ Nofunction
17 I2C2_SCL/PB10 I/O I2C_SCL
18 I2C2_SDA/PB9 I/O I2C_SDA
19 I2C2_SMBA/PB12 
20 GND‐ Ground
21 GND‐ Ground
22 JTAG_TDO/PB3 I/O JTAG_TDO
23 JTAG_TDI/PA15 I/O JTAG_TDI
24 NC I/O Nofunction
25 JTAG_TCK/PA14 I/O JTAG_TCK