D12320VF25V Datasheet, PDF (21/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

6.6.2 Pin States in Idle Cycle ........................................................................................ 176
6.7 Bus Release....................................................................................................................... 177
6.7.1 Overview.............................................................................................................. 177
6.7.2 Operation ............................................................................................................. 177
6.7.3 Pin States in External Bus Released State............................................................ 178
6.7.4 Transition Timing ................................................................................................ 179
6.7.5 Usage Note........................................................................................................... 180
6.8 Bus Arbitration.................................................................................................................. 180
6.8.1 Overview.............................................................................................................. 180
6.8.2 Operation ............................................................................................................. 180
6.8.3 Bus Transfer Timing ............................................................................................ 181
6.8.4 External Bus Release Usage Note........................................................................ 181
6.9 Resets and the Bus Controller ........................................................................................... 181
Section 7 Data Transfer Controller ....................................................................183
7.1 Overview........................................................................................................................... 183
7.1.1 Features................................................................................................................ 183
7.1.2 Block Diagram ..................................................................................................... 184
7.1.3 Register Configuration......................................................................................... 185
7.2 Register Descriptions ........................................................................................................ 186
7.2.1 DTC Mode Register A (MRA) ............................................................................ 186
7.2.2 DTC Mode Register B (MRB)............................................................................. 187
7.2.3 DTC Source Address Register (SAR).................................................................. 189
7.2.4 DTC Destination Address Register (DAR).......................................................... 189
7.2.5 DTC Transfer Count Register A (CRA) .............................................................. 189
7.2.6 DTC Transfer Count Register B (CRB)............................................................... 190
7.2.7 DTC Enable Registers (DTCER) ......................................................................... 190
7.2.8 DTC Vector Register (DTVECR)........................................................................ 191
7.2.9 Module Stop Control Register (MSTPCR) .......................................................... 192
7.3 Operation........................................................................................................................... 193
7.3.1 Overview.............................................................................................................. 193
7.3.2 Activation Sources ............................................................................................... 197
7.3.3 DTC Vector Table................................................................................................ 198
7.3.4 Location of Register Information in Address Space ............................................ 201
7.3.5 Normal Mode....................................................................................................... 202
7.3.6 Repeat Mode ........................................................................................................ 203
7.3.7 Block Transfer Mode ........................................................................................... 204
7.3.8 Chain Transfer ..................................................................................................... 206
7.3.9 Operation Timing................................................................................................. 207
7.3.10 Number of DTC Execution States ....................................................................... 208
Rev.7.00 Feb. 14, 2007 page xix of xxxii
REJ09B0089-0700