User's Manual

Wi-Fi&Bluetooth Module Series
FC41D_Hardware_Design
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3.9. WAKEUP Interface
FC41D supports waking up host with WAKEUP_OUT
*, and it can also be woken up from deep sleep by
WAKEUP_IN.
Table 12: Pin Definition of WAKEUP Interfaces
Pin Name
Pin No.
I/O
Description
Comment
WAKEUP_IN
7
DI
Wake up the module from deep
sleep
Rise level wakeup
WAKEUP_OUT*
8
DO
Wake up output
3.10. Network Status Indication
FC41D provides one network indication pin: NET_STATUS. The pin is used to drive a network status
indication LED.
The following tables describe the pin definition and logic level changes of NET_STATUS.
.
Tabel 13: NET_STATUS Pin Definition
A reference circuit is shown in the following figure.
ADC
21
DO
ADC
PWM6
Pin Name
Pin No.
I/O
Description
Note
NET_STATUS
12
DO
Indicate the module's
network activity status
Output high level when
Wi-Fi is connected in STA
mode