topic Re: RS-232 interface on lpc1769 in LPCXpresso IDE

RS-232 interface on lpc1769

lpcware — Wed, 15 Jun 2016 22:03:57 GMT

Content originally posted in LPCWare by Vidar on Wed Sep 12 09:43:44 MST 2012
Im using the LPC1769, and I'm gonna use it for communication with an external module. The module has a RS232 interface. My question is if it Would be possible to use rs485 hardware, and a little change in the example code to make it rs232 compatible?

Re: RS-232 interface on lpc1769

lpcware — Wed, 15 Jun 2016 22:03:58 GMT

Content originally posted in LPCWare by ex-kayoda on Wed Sep 12 09:59:42 MST 2012

Quote: Vidar
Would be possible to use rs485 hardware, and a little change in the example code to make it rs232 compatible?

No, RS485 Hardware is no RS232 Hardware ;)

Re: RS-232 interface on lpc1769

lpcware — Wed, 15 Jun 2016 22:03:59 GMT

Content originally posted in LPCWare by Vidar on Wed Sep 12 10:26:09 MST 2012
OK thanks. Is there any easy solution for fixing this?

Re: RS-232 interface on lpc1769

lpcware — Wed, 15 Jun 2016 22:03:59 GMT

Content originally posted in LPCWare by ex-kayoda on Wed Sep 12 10:33:50 MST 2012

Quote: Vidar
OK thanks. Is there any easy solution for fixing this?

Fix what :confused:

A MAX3232 transceiver is making a nice RS232 signal from your 3.3V UART :)

See: http://en.wikipedia.org/wiki/MAX232 or http://no.farnell.com/maxim-integrated-products/max3232cse/transceiver-rs-232-3232-soic16/dp/9725490

Re: RS-232 interface on lpc1769

lpcware — Wed, 15 Jun 2016 22:04:00 GMT

Content originally posted in LPCWare by Vidar on Wed Sep 12 10:40:25 MST 2012
fix the issue of me not knowing how to implement a rs-232 interface I guess. Ill look into the MAX232. Thanks anyways for helping a newbie out:)