My target is philips lpc2214,I want to send a byte to uart0 by use S0IN=0xXX,when 0xXX's MSB was set (like 0x80),LSR's bit 1(overrun error) will always set,when 0xXX MSB not set (like 0x7e),LSR's bit 1 will not set,I don't know why,someone could tell me,thank a lot.
Sorry we cannot see this problem here. Do you have a test code? Can you send test project to support.intl@keil.com?