LTE Module Series
LTE OPEN EVB User Guide
LTE_OPEN_EVB_User_Guide 54 / 62
modules can be controlled by PC DTR. When DTR is at high
level, RESET will be pulled down to reset the module.
10
VBUS_TEST
USB_VBUS enable pin.
Connect it to DTR_TEST pin, and then USB_VBUS of
LTE-QuecOpen modules can be controlled by PC DTR. When
DTR is at low level, USB_VBUS will be switched off to disable
recognition of module’s USB.
J1005
Pin No.
Pin Name
Description
1
SPI_CS_N_AG35
Connected directly to AG35-QuecOpen module
2
VDD_1V8
Connected directly to U0401. Connect it to USB_BOOT pin will
make the EC2x/AG35-QuecOpen module enter into emergency
download mode.
3
SPI_MOSI_AG35
Connected directly to AG35-QuecOpen module
4
USB_BOOT
Connected directly to EC2x/AG35-QuecOpen module. Connect it
to USB_BOOT pin will make the EC2x/AG35-QuecOpen modules
enter into emergency download mode.
5
SPI_MISO_AG35
Connected directly to AG35-QuecOpen module
6
SPI_MRDY
Reserved
7
SPI_CLK_AG35
Connected directly to AG35-QuecOpen module
8
SPI_SRDY
Reserved
9
GND
GND
10
GND
GND
J1006
Pin No.
Pin Name
Description
1
MAIN_RTS_1.8V
Used for test
2
MAIN_RTS_3.0V
3
MAIN_CTS_1.8V
4
MAIN_CTS_3.0V
5
MAIN_RXD_1.8V
6
MAIN_RXD_3.0V