Schematic symbol of SIM7600E
GND
PCM_SYNC
USIM_CLK
VBAT
SDA
DCD
FLIGHTMODE
GPIO6
CTS
GND
VDD_1V8
GND
USB_VBUS
GPIO3
GND
TXD
GND
SD_CLK
SDIO_DATA0
GND
SDIO_CLK
PCM_CLK
SD_DATA1
USB_ID
GND
USIM_DATA
USIM_RST
GND
SDIO_DATA1
USIM_VDD
HSIC_STROBE
SD_CMD
DTR
SCL
GND
SDIO_DATA3
VBAT
RTS
SD_DATA0
SDIO_CMD
GND
RXD
SDIO_DATA2
RI
AUX_ANT
PCM_OUT
USB_DN
SD_DATA2
PCM_IN
USB_DP
SD_DATA3