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LPC13xx Uart Initialisation

Question asked by Mike Simmonds on Aug 21, 2016
Latest reply on Aug 22, 2016 by Kerry Zhou

In the user manual UM10375 (rev 5) section 12.2, it states that ...

Pins: For the LPC1311/13/42/43 parts, the UART pins must be configured in the

IOCONFIG register block (Section 7.4) before the UART clocks can be enabled.


What happens if the clock are enabled first?

(a) non-operation,

(b) unreliable operation,

(c) chip explodes,

(d) other, Please specify!


Cheers, Mike.