Product Info

LTE Module Series
EC25 Mini PCIe Hardware Design
EC25_Mini_PCIe_Hardware_Design Confidential / Released 20 / 46
24 3.3Vaux RESERVED Reserved
25 PERp0 UART_RTS DO UART request to send
Connect to
DTE’s CTS
26 GND GND Mini card ground
27 GND GND Mini card ground
28 1.5V NC
29 GND GND Mini card ground
30 SMB_CLK I2C_SCL DO I2C serial clock
Require
external
pull-up to
1.8V.
31 PETn0 DTR DI Sleep mode control
32 SMB_DATA I2C_SDA IO I2C serial data
Require
external
pull-up to
1.8V.
33 PETp0 RESERVED Reserved
34 GND GND Mini card ground
35 GND GND Mini card ground
36 USB_D- USB_DM IO USB differential data (-)
37 GND GND Mini card ground
38 USB_D+ USB_DP IO USB differential data (+)
39 3.3Vaux VCC_3V3 PI 3.3V DC supply
40 GND GND Mini card ground
41 3.3Vaux VCC_3V3 PI 3.3V DC supply
42 LED_WWAN# LED_WWAN# OC
Active-low. LED signal for
indicating the state of the
card.
43 GND GND
Mini card ground
44 LED_WLAN# RESERVED Reserved
45 RESERVED PCM_CLK* IO PCM clock signal
46 LED_WPAN# RESERVED Reserved
47 RESERVED PCM_DOUT* DO PCM data output