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Problem in Hardware flow control - i.MX28

Question asked by prateek raghuvanshi on Feb 7, 2013
Latest reply on Feb 15, 2013 by prateek raghuvanshi
Branched to a new discussion


     I am using i.MX28 AUART1 for communication with XBEE module, in which i need hardware flow control.

When i open minicom with H/W flow control enabled. RTS line of Processor never goes low. because of which

there is no communication happening at all. But when i Connect RTS of Processor to CTS of XBEE and then

CTS of Processor to RTS of XBEE (Note that i do it in sequence that is manually with wires with some delay) It starts working.


if any one have any Idea why is it behaving like this, Please help.