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BT_RTS
BT_CTS
BT_TXD
BT_RXD
Control
Signals*
Pin Name
HOST_WAKE_BT
BT_WAKE_HOST
HOST_WAKE_
WLAN
WLAN_WAKE_
HOST
Coexistence
Interfaces*
Pin Name
COEX_TXD
COEX_RXD
Debug Interfaces
Pin Name
WLAN_DBG_
TXD
WLAN_DBG_
RXD
RF Antenna Interfaces
Pin Name
AF55C_Hardware_Design
DCE request to
77
DO
send signal to DTE
DCE clear to send
38
DI
signal from DTE
Bluetooth UART
39
DO
transmit
Bluetooth UART
78
DI
receive
Pin No.
I/O
Description
Host wakes up
61
DI
Bluetooth
Bluetooth wakes up
60
DO
the host
Host wakes up
40
DI
WLAN
WLAN wakes up the
79
DO
host
Pin No.
I/O
Description
LTE &
59
DO
Wi-Fi/Bluetooth
coexistence transmit
LTE &
16
DI
Wi-Fi/Bluetooth
coexistence receive
Pin No.
I/O
Description
Wi-Fi/Bluetooth
21
DO
debug UART
transmit
Wi-Fi/Bluetooth
65
DI
debug UART
receive
Pin No.
I/O
Description
Automotive Wi-Fi&Bluetooth Module Series
DC
Characteristics
VDD_IO
DC
Characteristics
VDD_IO
DC
Characteristics
VDD_IO
DC
Characteristics
Comment
If unused, keep
them open.
Comment
If unused, keep
them open.
Comment
Test points must
be reserved.
These pins can be
used as GPIOs.
If unused, keep
them open.
Comment
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