The pin diagram of the DS90CR485 in the current data sheet (SNLS143D) seems to be incorrect. The depicted pins do not comply with the pin description table in the same document. Moreover, the depicted part is labeled with DS90C485 (letter R missing). When comparing with earlier revisions of the same data sheet (e.g. SNLS143C), a completely different pin diagram is shown. Here the set of pins complies with the description table.
Please verify the DS90CR485 pin diagram and update the data sheet.
Regards,
Tom