Specifications

RX Family, M16C Family Migrating from the M16C to the RX
Asynchronous Serial Communications (UART)
R01AN1859EJ0100 Rev. 1.00 Page 2 of 15
Apr. 1, 2014
Contents
1. Differences in Asynchronous Serial Communications ....................................................................... 3
2. Peripheral Functions Used ................................................................................................................. 4
3. Differences in Asynchronous Serial Communications ....................................................................... 4
3.1 Transmit/Receive Timing ............................................................................................................. 5
3.1.1 Differences in Transmitting ................................................................................................... 5
3.1.2 Differences in Receiving ....................................................................................................... 7
3.2 Differences in Setting Procedures ............................................................................................... 9
3.3 Calculating the Bit Rate ............................................................................................................. 12
4. Appendix ........................................................................................................................................... 13
4.1 Points on Migrating from the M16C to the RX ........................................................................... 13
4.1.1 Interrupts ............................................................................................................................. 13
4.1.2 I/O ports .............................................................................................................................. 13
4.1.3 Module Stop Function ......................................................................................................... 13
4.2 I/O Register Macros ................................................................................................................... 14
4.3 Intrinsic Functions ...................................................................................................................... 14
5. Reference Documents ...................................................................................................................... 15