Control Signal Pins; Host_Wakeup_Bt And Bt_Wakeup_Host - Quectel AF51Y Hardware Design

The following figure shows the reference design for UART interface connection between AF51Y and the
host.
AF51Y
3.7. Control Signal

3.7.1. HOST_WAKEUP_BT and BT_WAKEUP_HOST

Table 11: Pin Definition of HOST_WAKEUP_BT and BT_WAKEUP_HOST
Pin Name
HOST_WAKEUP_BT 61
BT_WAKEUP_HOST 60
AF51Y_Hardware_Design
BT_TXD
BT_RXD
BT_RTS
BT_CTS
Figure 8: UART Interface Connection
Pins*
Pin No. I/O Description
DI Host wakes up Bluetooth
DO Bluetooth wakes up the host
Wi-Fi&Bluetooth Module Series
BT_UART_RXD
BT_UART_TXD
HOST
BT_UART_CTS
BT_UART_RTS
Comment
1.8 V power domain.
If unused, keep this pin open .
1.8 V power domain.
If unused, keep this pin open .
24 / 47