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2.3. Functional Diagram
The following figure shows a block diagram of AF51Y module.
VDD_IO
VDD_CORE
VDD_PA
WLAN_PCIe
WLAN_EN
BT_UART
BT_PCM
BT_EN
COEX_UART
WLAN_SLP_CLK
HOST_WAKEUP_BT
BT_WAKEUP_HOST
Debug UART x2
2.4. Evaluation Board
In order to help you develop applications with AF51Y module conveniently, Quectel supplies the
evaluation board (EVB), USB to RS232 converter cable, USB data cable, power adapter, antenna and
other peripherals to control or test the module. For more details, see document [1].
AF51Y_Hardware_Design
Main Chip
Figure 1: Functional Diagram of AF51Y Module
Wi-Fi&Bluetooth Module Series
VDD_PA
RFSW_5G_CH0
5G_TX_CH0
RF Switch
5G_RX_CH0
2.4G_TRX_CH0
SAW
VDD_PA
RFSW_5G_CH1
5G_TX_CH1
RF Switch
5G_RX_CH1
VDD_PA
2.4G_TRX_CH1
xPA_BT
RF Switch
BT_TRX
48MHz
XO
ANT_WIFI1
Diplexer
ANT_WIFI0
Diplexer
SAW
Optional
ANT_BT
SAW
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