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Quectel AF20 User Manual

Quectel AF20
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Wi-Fi&Bluetooth Module Series
AF20_Hardware_Design
25
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Figure 8: Reference Design for PCM Interface
3.6.3. Bluetooth UART
The following table shows the pin definition of Bluetooth UART.
Table 10: Pin Definition of Bluetooth UART Interface
Pin Name
Pin No.
I/O
Description
Comment
BT_UART_RTS
7
DO
Bluetooth UART request to send
1.8 V power domain
BT_UART_CTS
8
DI
Bluetooth UART clear to send
BT_UART_TXD
17
DO
Bluetooth UART transmit
BT_UART_RXD
18
DI
Bluetooth UART receive
The following figure shows the reference design for Bluetooth UART connection between AF20 and
AG35.
Figure 9: Reference Design for Bluetooth UART Connection

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Quectel AF20 Specifications

General IconGeneral
BrandQuectel
ModelAF20
CategoryGSM/GPRS Modules
LanguageEnglish

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