Application Interfaces; General Description - Quectel AF55C Hardware Design

3

Application Interfaces

3.1. General Description

The module is equipped with 108 LGA pins that can be connected to the cellular application platform. The
subsequent chapters will provide a detailed introduction to the following interfaces and pins of the module:
⚫
Power supply
⚫
Wi-Fi application interfaces
- WLAN_EN
- PCIe interfaces
- SDIO interfaces*
⚫
Bluetooth application interfaces
- BT_EN
- PCM interfaces
- Bluetooth UART
⚫
Control signals*
- HOST_WAKE_BT
- BT_WAKE_HOST
- HOST_WAKE_WLAN
- WLAN_WAKE_HOST
⚫
Coexistence UART
⚫
WLAN_SLP_CLK
⚫
RF antenna interfaces
AF55C_Hardware_Design
interfaces*
Automotive Wi-Fi&Bluetooth Module Series
13 / 58