I2C1_SCL
GDD
GND
3V3 IN
USART1 RX
NC
GND
GND
MCU_NRST
GND
NC
NC
USART2 RX
GND
NFC1
NC
NC
NC
USART1 TX
RF_BT
SYS SWDIO
NFC2
I2C1_SDA
GND
SYS SWDCLK
GND
NC
NC
RF_L
NC
GND
NC
NC
NC
GND
Reserved1
GND
3V3 IN
NC
USART2 TX
Reserved
GND