Wi-Fi&Bluetooth Module Series
FC909A_Hardware_Design 17 / 49
3
Application Interfaces
3.1. General Description
FC909A is equipped with 44 LCC pins. The subsequent chapters will provide a detailed introduction to the
following function, pins and interfaces of the module:
Power supply
WLAN application interfaces
Bluetooth application interfaces
RF antenna interfaces
Other interfaces
-WLAN_SLP_CLK
-XTAL_IN/OUT
-GPIOs
3.2. Pin Description
The following tables show the pin description of FC909A.
Table 3: I/O Parameters Definition
Type
Description
AIO
Analog Input/Output
DI
Digital Input
DO
Digital Output
DIO
Digital Input/Output
PI
Power Input
PO
Power Output