12.3
12.4
12.5
12.6
Timer Counter (TCNT).........................................................................................
Time Constant Register A (TCORA) ...................................................................
Time Constant Register B (TCORB) ...................................................................
Timer Control Register (TCR) .............................................................................
Timer Control/Status Register (TCSR) ................................................................
Serial/Timer Control Register (STCR).................................................................
System Control Register (SYSCR).......................................................................
Timer Connection Register S (TCONRS) ............................................................
Input Capture Register (TICR) [TMRX Additional Function].............................
Time Constant Register C (TCORC) [TMRX Additional Function]...................
Input Capture Registers R and F (TICRR, TICRF)
[TMRX Additional Functions] ............................................................................
12.2.12 Timer Input Select Register (TISR) [TMRY Additional Function].....................
12.2.13 Module Stop Control Register (MSTPCR)...........................................................
Operation ...........................................................................................................................
12.3.1 TCNT Incrementation Timing..............................................................................
12.3.2 Compare-Match Timing .......................................................................................
12.3.3 TCNT External Reset Timing...............................................................................
12.3.4 Timing of Overflow Flag (OVF) Setting..............................................................
12.3.5 Operation with Cascaded Connection ..................................................................
12.3.6 Input Capture Operation .......................................................................................
Interrupt Sources................................................................................................................
8-Bit Timer Application Example .....................................................................................
Usage Notes .......................................................................................................................
12.6.1 Contention between TCNT Write and Clear ........................................................
12.6.2 Contention between TCNT Write and Increment.................................................
12.6.3 Contention between TCOR Write and Compare-Match ......................................
12.6.4 Contention between Compare-Matches A and B .................................................
12.6.5 Switching of Internal Clocks and TCNT Operation.............................................
12.2.1
12.2.2
12.2.3
12.2.4
12.2.5
12.2.6
12.2.7
12.2.8
12.2.9
12.2.10
12.2.11
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303
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Section 13 Timer Connection [H8S/2138 Series]
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13.1 Overview............................................................................................................................
13.1.1 Features.................................................................................................................
13.1.2 Block Diagram......................................................................................................
13.1.3 Input and Output Pins...........................................................................................
13.1.4 Register Configuration .........................................................................................
13.2 Register Descriptions.........................................................................................................
13.2.1 Timer Connection Register I (TCONRI)..............................................................
13.2.2 Timer Connection Register O (TCONRO)...........................................................
13.2.3 Timer Connection Register S (TCONRS) ............................................................
13.2.4 Edge Sense Register (SEDGR).............................................................................
13.2.5 Module Stop Control Register (MSTPCR)...........................................................
13.3 Operation ...........................................................................................................................
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HITACHI [ HITACHI SEMICONDUCTOR ]
