H8SXSLASH1658R datasheet(21/1374 Pages) RENESAS

21 / 1374 page

Rev. 2.00 Sep. 25, 2008 Page xxi of xxx

16.3.2

Time Constant Register A (TCORA)................................................................ 727

16.3.3

Time Constant Register B (TCORB) ................................................................ 728

16.3.4

Timer Control Register (TCR).......................................................................... 728

16.3.5

Timer Counter Control Register (TCCR) ......................................................... 730

16.3.6

Timer Control/Status Register (TCSR)............................................................. 735

16.4

Operation .......................................................................................................................... 739

16.4.1

Pulse Output...................................................................................................... 739

16.4.2

Reset Input ........................................................................................................ 740

16.5

Operation Timing.............................................................................................................. 741

16.5.1

TCNT Count Timing ........................................................................................ 741

16.5.2

Timing of CMFA and CMFB Setting at Compare Match................................. 742

16.5.3

Timing of Timer Output at Compare Match ..................................................... 742

16.5.4

Timing of Counter Clear by Compare Match ................................................... 743

16.5.5

Timing of TCNT External Reset*..................................................................... 743

16.5.6

Timing of Overflow Flag (OVF) Setting .......................................................... 744

16.6

Operation with Cascaded Connection............................................................................... 744

16.6.1

16-Bit Counter Mode ........................................................................................ 744

16.6.2

Compare Match Count Mode............................................................................ 745

16.7

Interrupt Sources...............................................................................................................745

16.7.1

Interrupt Sources and DTC Activation ............................................................. 745

16.7.2

A/D Converter Activation................................................................................. 746

16.8

Usage Notes ...................................................................................................................... 747

16.8.1

Notes on Setting Cycle...................................................................................... 747

16.8.2

Conflict between TCNT Write and Counter Clear............................................ 747

16.8.3

Conflict between TCNT Write and Increment.................................................. 748

16.8.4

Conflict between TCOR Write and Compare Match ........................................ 748

16.8.5

Conflict between Compare Matches A and B................................................... 749

16.8.6

Switching of Internal Clocks and TCNT Operation.......................................... 749

16.8.7

Mode Setting with Cascaded Connection ......................................................... 751

16.8.8

Module Stop State Setting ................................................................................ 751

16.8.9

Interrupts in Module Stop State ........................................................................ 751

Section 17 Watchdog Timer (WDT)..................................................................753

17.1

Features............................................................................................................................. 753

17.2

Input/Output Pin ............................................................................................................... 754

17.3

Register Descriptions ........................................................................................................ 755

17.3.1

Timer Counter (TCNT)..................................................................................... 755

17.3.2

Timer Control/Status Register (TCSR)............................................................. 755

17.3.3

Reset Control/Status Register (RSTCSR)......................................................... 757

17.4

Operation .......................................................................................................................... 758

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