Use pin 2.9 as RXD for Uart2 (Lpc1769)

Discussion created by lpcware Employee on Jun 15, 2016
Latest reply on Jun 15, 2016 by lpcware
Content originally posted in LPCWare by Scorpio on Tue Nov 26 03:35:45 MST 2013
Can anybody to help me? I try to use the pin 2.9 as RXD for the uart 2 (Lpc1769). I use Lpcopen and setup pin in function mode (2), as input and initialize at state low. I connect the data out from a rfid module but the interrupt of uart is never fired up. If i use the same rfid module and config the pin 0.11 as RXD, everything works perfectly.