... 7 2.3 Viewing and modifying registers and memory variables.. ... the output mode to out put access R/W R/W R/W R/W State after reset 0x00000000 0x00000000 0x00000000 Appendix B Table B.1 UART0 Registers The formula for calculating the UART transmission rate The main registers : U0RSR - register the received data; U0THR - data register for transmission; U0IER - Interrupt Enable UART: Bit 0 - 1 - enable interrupt if the received data; Bit 1 - 1 - enable interrupt when buffer under the ...