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Automotive Module Series
AG35 Hardware Design
AG35_Hardware_Design 65 / 129
The following figure shows a reference design for the connection between wireless connectivity interfaces
and Quectel AF20 module.
V
OH
min=1.35V
UART2_TXD
163
DO
Transmit data
1.8V power domain
UART2_CTS
164
DO
DTE clear to send
1.8V power domain
UART2_RXD
165
DI
Receive data
1.8V power domain
UART2_RTS
166
DI
DTE request to send
1.8V power domain
PCM_IN
66
DI
PCM data input
1.8V power domain
PCM_OUT
68
DO
PCM data output
1.8V power domain
PCM_SYNC
65
IO
PCM data frame sync signal
1.8V power domain
PCM_CLK
67
IO
PCM data bit clock
1.8V power domain