M16C User Manual.pdf

Timer AMitsubishi microcomputersM16C / 62 GroupSINGLE-CHIP 16-BIT CMOS MICROCOMPUTERTrigger select registerb7 b6 b5 b4 b3 b2 b1 b0Symbol Address When resetTRGSR 038316 0016Bit symbolTA1TGLTA1TGHTA2TGLTA2TGHTA3TGLTA3TGHTA4TGLTA4TGHBit nameTimer A1 event/triggerselect bitTimer A2 event/triggerselect bitTimer A3 event/triggerselect bitTimer A4 event/triggerselect bitFunctionb1 b00 0 : Input on TA1IN is selected (Note)0 1 : TB2 overflow is selected1 0 : TA0 overflow is selected1 1 : TA2 overflow is selectedb3 b20 0 : Input on TA2IN is selected (Note)0 1 : TB2 overflow is selected1 0 : TA1 overflow is selected1 1 : TA3 overflow is selectedb5 b40 0 : Input on TA3IN is selected (Note)0 1 : TB2 overflow is selected1 0 : TA2 overflow is selected1 1 : TA4 overflow is selectedb7 b60 0 : Input on TA4IN is selected (Note)0 1 : TB2 overflow is selected1 0 : TA3 overflow is selected1 1 : TA0 overflow is selectedNote: Set the corresponding port direction register to “0”.R WClock prescaler reset flagb7 b6 b5 b4 b3 b2 b1 b0Symbol Address When resetCPSRF 038116 0XXXXXXX2Bit symbolBit nameFunctionNothing is assigned.In an attempt to write to these bits, write “0”. The value, if read, turns out to beindeterminate.CPSR Clock prescaler reset flag0 : No effect1 : Prescaler is reset(When read, the value is “0”)R WFigure 2.2.5. Timer A-related registers (4)285