Product Info

Wi-Fi&BT Module Series
FG50V Hardware Design
FG50V_Hardware_Design 27 / 54
Table 8: Pin Definition of BT_WAKEUP_HOST and HOST_WAKEUP_BT
Pin Name Pin No. I/O Description Comment
BT_WAKEUP_HOST 61 DO BT wakes up host 1.8 V power domain.
HOST_WAKEUP_BT 60 DI Host wakes up BT
1.8 V power domain.
Externally pull this pin down.
3.6.3. PCM Interface*
The PCM interface is for audio over Bluetooth phone. The following table shows the pin definition of PCM
interface.
Table 10: Pin Definition of PCM Interface
The following figure shows the PCM interface connection between FG50V and the host.
“*” means under development.
Pin Name Pin No. I/O Description Comment
PCM_DIN 76 DI PCM data input 1.8 V power domain.
PCM_SYNC 35 DI PCM data frame sync 1.8 V power domain.
PCM_CLK 37 DI PCM clock 1.8 V power domain.
PCM_DOUT 36 DO PCM data output
1.8 V power domain.
Externally pull this pin up to
VDD_IO.
NOTE