SH7243 datasheet(18/1726 Pages) RENESAS

18 / 1726 page

Rev. 1.00 Jun. 26, 2008 Page xviii of xxx

Section 12 Multi-Function Timer Pulse Unit 2S (MTU2S) ................................ 681

12.1

Input/Output Pins.............................................................................................................. 684

12.2

Register Descriptions........................................................................................................ 685

Section 13 Port Output Enable 2 (POE2) ............................................................ 689

13.1

Features............................................................................................................................. 689

13.2

Input/Output Pins.............................................................................................................. 691

13.3

Register Descriptions........................................................................................................ 693

13.3.1

Input Level Control/Status Register 1 (ICSR1) ................................................ 694

13.3.2

Output Level Control/Status Register 1 (OCSR1) ............................................ 698

13.3.3

Input Level Control/Status Register 2 (ICSR2) ................................................ 699

13.3.4

Output Level Control/Status Register 2 (OCSR2) ............................................ 703

13.3.5

Input Level Control/Status Register 3 (ICSR3) ................................................ 704

13.3.6

Software Port Output Enable Register (SPOER) .............................................. 706

13.3.7

Port Output Enable Control Register 1 (POECR1)........................................... 708

13.3.8

Port Output Enable Control Register 2 (POECR2)........................................... 709

13.4

Operation .......................................................................................................................... 715

13.4.1

Input Level Detection Operation ...................................................................... 717

13.4.2

Output-Level Compare Operation .................................................................... 718

13.4.3

Release from High-Impedance State ................................................................ 719

13.5

Interrupts........................................................................................................................... 720

13.6

Usage Notes ...................................................................................................................... 721

13.6.1

Pins States when the Watchdog Timer has Issued a Power-on Reset ............... 721

Section 14 Compare Match Timer (CMT) .......................................................... 723

14.1

Features............................................................................................................................. 723

14.2

Register Descriptions........................................................................................................ 724

14.2.1

Compare Match Timer Start Register (CMSTR) .............................................. 725

14.2.2

Compare Match Timer Control/Status Register (CMCSR) .............................. 726

14.2.3

Compare Match Counter (CMCNT) ................................................................. 728

14.2.4

Compare Match Constant Register (CMCOR) ................................................. 728

14.3

Operation .......................................................................................................................... 729

14.3.1

Interval Count Operation .................................................................................. 729

14.3.2

CMCNT Count Timing..................................................................................... 729

14.4

Interrupts........................................................................................................................... 730

14.4.1

Interrupt Sources and DTC/DMA Transfer Requests ....................................... 730

14.4.2

Timing of Compare Match Flag Setting ........................................................... 730

14.4.3

Timing of Compare Match Flag Clearing......................................................... 731

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