VBAT
USIM_RST
GND
USB_DN
SPI_MISO
GND
AUX_ANT
FLIGHTMODE
SD_CMD
SD_DATA2
SD_DATA0
GND
SD_CLK
GNSS_ANT
GND
GND
GND
USIM_VDD
CTS
SCL
VBAT
USB_VBUS
KBC3
GND
PCM_IN
RESET
RTS
KBR1
RI
USB_ID
SPI_CLK
USIM_DET
GND
DTR
PWRKEY
KBR2
PCM_OUT
GND
PCM_CLK
GPIO41
SD_DATA3
GND
GND
NETLIGHT
PCM_SYNC
KBR0
DCD
KBC1
GND
STATUS
SPI_CS
VDD_1V8
USIM_DATA
GND
RXD
SD1_DET
USB_DP
SD_DATA1
GPIO43
TXD
KBC0
KBC2
USIM_CLK
SPI_MOSI
GND
SDA
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