https://community.nxp.com/t5/LPCXpresso-IDE/What-error-is-in-the-UART-receive-FIFO/m-p/591386#M29566 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by sravet on Thu Oct 03 00:02:24 MST 2013</STRONG><BR /><SPAN>I am working with UART2 on an LPC1768 part.&nbsp; It is connected to an RF remote receiver that outputs data at 9600 baud.&nbsp; I have configured UART2 for 9600 baud and verified that it works correctly by connecting it to my laptop via a USB/TTL serial converter.&nbsp; Characters I type on the laptop are correctly received by the 1768.</SPAN><BR /><BR /><SPAN>However when I connect to the RF receiver I see constant line errors.&nbsp; The LSR value I read is 0xe1.&nbsp; This indicates RXFE (error in RX FIFO), Transmitter empty, and receiver data ready.&nbsp; This doesn't make sense to me -- There is an error in the RX fifo, but none of the LSR error bits (break, parity, frame, overrun) are set.&nbsp; What error is bit 7 indicating?</SPAN><BR /><BR /><SPAN>thanks,</SPAN><BR /><SPAN>--steve</SPAN><BR /></BODY></HTML> Thu, 16 Jun 2016 02:48:16 GMT lpcware 2016-06-16T02:48:16Z https://community.nxp.com/t5/LPCXpresso-IDE/What-error-is-in-the-UART-receive-FIFO/m-p/591386#M29566 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by sravet on Thu Oct 03 00:02:24 MST 2013</STRONG><BR /><SPAN>I am working with UART2 on an LPC1768 part.&nbsp; It is connected to an RF remote receiver that outputs data at 9600 baud.&nbsp; I have configured UART2 for 9600 baud and verified that it works correctly by connecting it to my laptop via a USB/TTL serial converter.&nbsp; Characters I type on the laptop are correctly received by the 1768.</SPAN><BR /><BR /><SPAN>However when I connect to the RF receiver I see constant line errors.&nbsp; The LSR value I read is 0xe1.&nbsp; This indicates RXFE (error in RX FIFO), Transmitter empty, and receiver data ready.&nbsp; This doesn't make sense to me -- There is an error in the RX fifo, but none of the LSR error bits (break, parity, frame, overrun) are set.&nbsp; What error is bit 7 indicating?</SPAN><BR /><BR /><SPAN>thanks,</SPAN><BR /><SPAN>--steve</SPAN><BR /></BODY></HTML> Thu, 16 Jun 2016 02:48:16 GMT https://community.nxp.com/t5/LPCXpresso-IDE/What-error-is-in-the-UART-receive-FIFO/m-p/591386#M29566 lpcware 2016-06-16T02:48:16Z