Product Info

LTE Module Series
EC25 Hardware Design
EC25_Hardware_Design 25 / 112
3.2. Pin Assignment
The following figure shows the pin assignment of EC25 module.
Figure 2: Pin Assignment (Top View)
1.
1)
means that these pins cannot be pulled up before startup.
2.
2)
PWRKEY output voltage is 0.8V because of the diode drop in the Qualcomm chipset.
3.
3)
means these interface functions are only supported on Telematics version.
4. Pads 37~40, 118, 127 and 129~139 are used for wireless connectivity interfaces, among which pads
118, 127 and 129~138 are WLAN function pins, and the rest are Bluetooth (BT) function pins. BT
function is under development.
5. Pads 119~126 and 128 are used for SGMII interface.
NOTES