Data Sheet

17
FORM NO.: FR2-015_ A Responsible Department：WBU Expiry Date: Forever
The information contained herein is the exclusive property of AzureWave and shall not be distributed, reproduced, or disclosed
in whole or in part without prior written permission of AzureWave.
UART Interface Signals
PIN No.
Name
Description
Type
42
BT_UART_TXD
Bluetooth UART Serial Output. Serial data output for
the HCI UART Interface
O
43
BT_UART_RXD
Bluetooth UART Series Input. Serial data input for the
HCI UART Interface
I
41
BT_UART_RTS_N
Bluetooth UART Request-to-Send. Active-low request-
to-send signal for the HCI UART interface
O
44
BT_UART_CTS_N
Bluetooth UART Clear-to-Send. Active-low clear-to-
send signal for the HCI UART interface.
I
UART Timing
UART Timing
UART Timing Specifications