M16C/62 Group DATASHEET

Clock asynchronous serial I/O (UART) modeMitsubishi microcomputersM16C / 62 GroupSINGLE-CHIP 16-BIT CMOS MICROCOMPUTERUARTi transmit / receive mode registersb7 b6 b5 b4 b3 b2 b1 b0Symbol Address When resetUiMR(i=0,1) 03A016, 03A816 0016Bit symbolSMD0SMD1SMD2CKDIRSTPSPRYPRYEBit nameSerial I/O mode select bitInternal / external clockselect bitStop bit length select bitOdd / even parityselect bitParity enable bitb2 b1 b0Function1 0 0 : Transfer data 7 bits long1 0 1 : Transfer data 8 bits long1 1 0 : Transfer data 9 bits long0 : Internal clock1 : External clock (Note)0 : One stop bit1 : Two stop bitsValid when bit 6 = “1”0 : Odd parity1 : Even parity0 : Parity disabled1 : Parity enabledSLEP Sleep select bit0 : Sleep mode deselected1 : Sleep mode selectedNote : Set the corresponding port direction register to “0”.R W UART2 transmit / receive mode registerb7 b6 b5 b4 b3 b2 b1 b0Symbol Address When resetU2MR 037816 0016Bit symbolSMD0SMD1SMD2CKDIRSTPSPRYPRYEBit nameSerial I/O mode select bitInternal / external clockselect bitStop bit length select bitOdd / even parityselect bitParity enable bitIOPOL TxD, RxD I/O polarityreverse bit (Note)Note: Usually set to “0”.b2 b1 b0Function1 0 0 : Transfer data 7 bits long1 0 1 : Transfer data 8 bits long1 1 0 : Transfer data 9 bits longMust always be fixed to “0”0 : One stop bit1 : Two stop bitsValid when bit 6 = “1”0 : Odd parity1 : Even parity0 : Parity disabled1 : Parity enabled0 : No reverse1 : ReverseR WFigure 1.19.15. UARTi transmit/receive mode register in UART mode130