Datasheet

Rev.6.00 Mar. 18, 2009 Page xxvi of lviii
REJ09B0050-0600
7.5.16 Clearing Full Address Mode................................................................................ 286
7.6 Interrupt Sources............................................................................................................... 287
7.7 Usage Notes ...................................................................................................................... 288
7.7.1 DMAC Register Access during Operation........................................................... 288
7.7.2 Module Stop......................................................................................................... 289
7.7.3 Write Data Buffer Function ................................................................................. 289
7.7.4 TEND Output....................................................................................................... 290
7.7.5 Activation by Falling Edge on DREQ Pin ........................................................... 291
7.7.6 Activation Source Acceptance............................................................................. 291
7.7.7 Internal Interrupt after End of Transfer................................................................ 292
7.7.8 Channel Re-Setting .............................................................................................. 292
Section 8 Data Transfer Controller (DTC)................................................................... 293
8.1
Features............................................................................................................................. 293
8.2 Register Descriptions ........................................................................................................ 295
8.2.1 DTC Mode Register A (MRA) ............................................................................ 295
8.2.2 DTC Mode Register B (MRB)............................................................................. 297
8.2.3 DTC Source Address Register (SAR).................................................................. 297
8.2.4 DTC Destination Address Register (DAR).......................................................... 297
8.2.5 DTC Transfer Count Register A (CRA) .............................................................. 298
8.2.6 DTC Transfer Count Register B (CRB)............................................................... 298
8.2.7 DTC Enable Registers A to G (DTCERA to DTCERG) ..................................... 299
8.2.8 DTC Vector Register (DTVECR)........................................................................ 300
8.3 Activation Sources ............................................................................................................ 301
8.4 Location of Register Information and DTC Vector Table ................................................ 302
8.5 Operation .......................................................................................................................... 306
8.5.1 Normal Mode....................................................................................................... 308
8.5.2 Repeat Mode ........................................................................................................ 309
8.5.3 Block Transfer Mode ........................................................................................... 310
8.5.4 Chain Transfer ..................................................................................................... 311
8.5.5 Interrupts.............................................................................................................. 312
8.5.6 Operation Timing................................................................................................. 313
8.5.7 Number of DTC Execution States ....................................................................... 314
8.6 Procedures for Using DTC................................................................................................ 316
8.6.1 Activation by Interrupt......................................................................................... 316
8.6.2 Activation by Software ........................................................................................ 316
8.7 Examples of Use of the DTC ............................................................................................ 317
8.7.1 Normal Mode....................................................................................................... 317
8.7.2 Chain Transfer ..................................................................................................... 317
8.7.3 Chain Transfer when Counter = 0........................................................................ 318