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how to distinguish the two sets of UART1 in STM8L151

Question asked by jacki.first on May 1, 2014
Latest reply on Jul 23, 2014 by rivera.erick
Hi Guys:
May I ask how to distinguish the two sets of UART1 in STM8L151 ?
There are
UART1_TX = Port A2
UART1_Rx = Port A3
or
UART1_TX = Port C3
UART1_Rx = Port C2
I confused about how the STM8L know I am using which set of them?
Thx.

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