The 8251A is used as a peripheral device and is programmed by the CPU to operate using virtually any serial data transmission technique presently in use (including IBM “bi-sync”). The USART accepts ...
LIBERTY, S.C.--(BUSINESS WIRE)--Sealevel’s 5402e is a PCI Express synchronous serial interface that provides four ports individually configurable for RS-232, RS-422, RS-485, RS-530, RS-530A or V.35.