Quectel LTE OPEN EVB User Manual

LTE Module Series
LTE OPEN EVB User Guide
LTE_OPEN_EVB_User_Guide 53 / 62
Pin No.
Pin Name
Description
1
VDD_3.3V
3.3V power supply from U0402
2
PCM_SYNC
Connected to J0202 pin 19 with analog switch U1001.
If this function is intended to be used, S1001 should be switched
to the right.
3
VDD_1V8
1.8V power supply from U0401
4
PCM_IN
Connected to J0202 pin 13 with analog switch U1001.
If this function is intended to be used, S1001 should be switched
to the right.
5
I2C_SDA
Connected directly to J0201 pin 13
6
PCM_OUT
Connected to J0202 pin 15 with analog switch U1001.
If this function is intended to be used, S1001 should be switched
to the right.
7
I2C_SCL
Connected directly to J0201 pin 16
8
PCM_CLK
Connected to J0202 pin 17 with analog switch U1001.
If this function is intended to be used, S1001 should be switched
to the right.
9
CLK_OUT
Reserved
10
GND
Ground
J1004
Pin No.
Pin Name
Description
1, 3, 5, 7
DTR_TEST
Data terminal ready test pins.
Customers can connect COM (MAIN) to PC, and use the UART
tool to control DTR.
2
VDD_EXT
Connected directly to VDD_EXT of LTE-QuecOpen modules
4
POWER_EN
VBAT enable pin.
Connect it to DTR_TEST pin, and then the VBAT of
LTE-QuecOpen modules can be controlled by PC DTR. When
DTR is at high level, VBAT will be switched off.
6
PWRKEY_3.0V
PWRKEY_3.0V test pin.
Connect it to DTR_TEST pin, and then PWRKEY of
LTE-QuecOpen modules can be controlled by PC DTR. When
DTR is at high level, PWRKEY will be pulled down to start up the
module.
8
RESET_3.0V
RESET_3.0V test pin.
Connect it to DTR_TEST pin, and then RESET of LTE-QuecOpen

Quectel LTE OPEN EVB Specifications

General

Brand	Quectel
Model	LTE OPEN EVB
Category	Control Unit
Language	English