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