LTE Module Series
LTE OPEN EVB User Guide
LTE_OPEN_EVB_User_Guide 52 / 62
9
GPIO_14
10
GPIO_15
11
GPIO_16
12
GPIO_17
13
GPIO_18
Reserved
14
GPIO_19
Reserved
15
GRFC1
Reserved
16
GRFC2
Reserved
J0203
Pin No.
Pin Name
Description
1
VDD_1V8
1.8V power supply from U0401
2
LED1
Can be connected to any GPIO.
Used for GPIO output test.
3
LED2
4
LED3
5
LED4
6
GND
GND
J0505
Pin No.
Pin Name
Description
1
WDOG_DISABLE
Reserved
2
GND
GND
3
DEBUG_RXD_3.3V
Used for test
4
DEBUG_TXD_3.3V
5
DEBUG_TXD_1.8V
6
DEBUG_RXD_1.8V
J1003