M16C/62 Group DATASHEET

Clock synchronous serial I/O modeMitsubishi microcomputersM16C / 62 GroupSINGLE-CHIP 16-BIT CMOS MICROCOMPUTERUARTi transmit/receive mode registersb7 b6 b5 b4 b3 b2 b1 b000 0 1Symbol Address When resetUiMR(i=0,1) 03A016, 03A816 0016Bit symbolSMD0SMD1SMD2CKDIRBit nameSerial I/O mode select bitInternal/external clockselect bitb2 b1 b0Function0 0 1 : Clock synchronous serialI/O mode0 : Internal clock1 : External clock (Note)STPSPRY Invalid in clock synchronous serial I/O modePRYESLEP 0 (Must always be “0” in clock synchronous serial I/O mode)Note : Set the corresponding port direction register to “0”.R WUART2 transmit/receive mode registerb7 b6 b5 b4 b3 b2 b1 b000 0 1Symbol Address When resetU2MR 037816 0016Bit symbolSMD0SMD1SMD2CKDIRSTPSPRYPRYEIOPOLBit nameSerial I/O mode select bitInternal/external clockselect bitFunctionR Wb2 b1 b00 0 1 : Clock synchronous serialI/O mode0 : Internal clock1 : External clock (Note 2)Invalid in clock synchronous serial I/O modeTxD, RxD I/O polarityreverse bit (Note 1)0 : No reverse1 : ReverseNote 1: Usually set to “0”.Note 2: Set the corresponding port direction register to “0”.Figure 1.19.9. UARTi transmit/receive mode register in clock synchronous serial I/O mode123