try this
http://www.nukem.freeserve.co.uk/contents/electronics/vt52/index.html

> -----Original Message-----
> From: John Mullan [SMTP:jmullan@CGOCABLE.NET]
> Sent: Monday, December 20, 1999 3:52 AM
> To:   PICLIST@MITVMA.MIT.EDU
> Subject:      Simple serial keypad/display
>
> Does anyone have source and schematics for a simple PIC based terminal.
>
> One that uses LCD/Keypad.  A search resulted in a reference to "Richard
> Ottosen" but nothing else.
>
> Thanks in advance.
>
> John Mullan