Motorola Documentation
Philips: Document 1150.PDF, Part: SCC68C198 Product Specification
See also the schematics for this board!
A schematic for a optoisolated RS232 to RS485 converter.
This is not working with my driver, because of disabling the
receiver during transmition. To change this connect pin 2 of U4
to GND (pin 5) .
http://chaokhun.kmitl.ac.th/~kswichit/PC485/PC_Rs485.htm
There is also another driver on the net:
http://cmp.felk.cvut.cz/~pisa/ulan/ul_drv.html
Return to RS485 Start Page