User's Manual

Page 18 of 19 N5 ANT SoC System Module Series
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Async Mode Baud Connection Example
Notes:
 Module RXD and TXD connected directly to hardware USART of microcontroller.
 Switches on baud rate selection pins (BR1, BR2 and BR3) are for ease of use only. They can
be connected directly to the logic level of interest.
 RTS is hardware controlled on the N548 and will toggle on a per byte level. If HW flow
control is not available on MCU, the software implemented flow control must be able to
manage serial communication flow control on a per byte level.