19.4.4 Repeat Transfer Mode .............................................................................................................. 396
19.4.5 Block Transfer Mode ................................................................................................................ 397
19.4.6 Chain Transfer .......................................................................................................................... 398
19.4.7 Operation Timing ..................................................................................................................... 399
19.4.8 Execution Cycles of the DTC ................................................................................................... 402
19.4.9 DTC Bus Mastership Release Timing ...................................................................................... 402
19.5 DTC Setting Procedure ...................................................................................................................... 403
19.6 Examples of DTC Usage ................................................................................................................... 404
19.6.1 Normal Transfer ....................................................................................................................... 404
19.6.2 Chain Transfer When the Counter is 0 ..................................................................................... 405
19.7 Interrupt Source ................................................................................................................................. 406
19.8 Event Link ......................................................................................................................................... 406
19.9 Low Power Consumption Function ................................................................................................... 407
19.10 Usage Notes ....................................................................................................................................... 408
19.10.1 Start Address of Transfer Information ...................................................................................... 408
19.10.2 Allocating Transfer Information ............................................................................................... 408
19.10.3 Setting the DTC Transfer Request Enable Register in the Interrupt Controller
(ICU.DTCERn) ......................................................................................................................... 409
20. Event Link Controller (ELC) ......................................................................................................... 410
20.1 Overview ........................................................................................................................................... 410
20.2 Register Descriptions ......................................................................................................................... 411
20.2.1 Event Link Control Register (ELCR) ....................................................................................... 411
20.2.2 Event Link Setting Register n (ELSRn)
(n = 1 to 4, 7, 8, 10, 12, 14 to 16, 18 to 29) .............................................................................. 412
20.2.3 Event Link Option Setting Register A (ELOPA) ..................................................................... 415
20.2.4 Event Link Option Setting Register B (ELOPB) ...................................................................... 415
20.2.5 Event Link Option Setting Register C (ELOPC) ...................................................................... 416
20.2.6 Event Link Option Setting Register D (ELOPD) ..................................................................... 416
20.2.7 Port Group Setting Register n (PGRn) (n = 1, 2) ..................................................................... 417
20.2.8 Port Group Control Register n (PGCn) (n = 1, 2) .................................................................... 418
20.2.9 Port Buffer Register n (PDBFn) (n = 1, 2) ............................................................................... 419
20.2.10 Event Link Port Setting Register m (PELm) (m = 0 to 3) ........................................................ 420
20.2.11 Event Link Software Event Generation Register (ELSEGR) ................................................... 421
20.3
Operation ........................................................................................................................................... 422
20.3.1 Relation between Interrupt Handling and Event Linking ......................................................... 422
20.3.2 Event Linkage ........................................................................................................................... 423
20.3.3 Operation of Peripheral Timer Modules When Event Signal is Input ..................................... 424
20.3.4 Operation of A/D and D/A Converters When Event Signal is Input ........................................ 424
20.3.5 I/O Port Operation When Event Signal is Input and Event Generation ................................... 424
20.3.6 Example of Procedure for Linking Events ............................................................................... 428
20.4 Usage Notes ....................................................................................................................................... 429
20.4.1 Setting ELSRn Register ............................................................................................................ 429
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