Datasheet

Rev. 2.00 Sep. 28, 2009 Page x of xl
REJ09B0429-0200
6.8 Bus Arbitration .................................................................................................................. 149
6.8.1 Overview .............................................................................................................. 149
6.8.2 Operation .............................................................................................................. 149
6.8.3 Bus Mastership Transfer Timing .......................................................................... 150
Section 7 Data Transfer Controller (DTC) ...................................................... 151
7.1 Features.............................................................................................................................. 151
7.2 Register Descriptions ......................................................................................................... 153
7.2.1 DTC Mode Register A (MRA) ............................................................................. 154
7.2.2 DTC Mode Register B (MRB).............................................................................. 155
7.2.3 DTC Source Address Register (SAR)................................................................... 155
7.2.4 DTC Destination Address Register (DAR)........................................................... 155
7.2.5 DTC Transfer Count Register A (CRA) ............................................................... 156
7.2.6 DTC Transfer Count Register B (CRB)................................................................ 156
7.2.7 DTC Enable Registers (DTCER).......................................................................... 157
7.2.8 DTC Vector Register (DTVECR)......................................................................... 158
7.2.9 Keyboard Comparator Control Register (KBCOMP)........................................... 159
7.2.10 Event Counter Control Register (ECCR).............................................................. 159
7.2.11 Event Counter Status Register (ECS) ................................................................... 160
7.3 DTC Event Counter ........................................................................................................... 161
7.3.1 Event Counter Handling Priority .......................................................................... 162
7.3.2 Usage Notes .......................................................................................................... 163
7.4 Activation Sources............................................................................................................. 163
7.5 Location of Register Information and DTC Vector Table ................................................. 165
7.6 Operation ........................................................................................................................... 167
7.6.1 Normal Transfer Mode ......................................................................................... 168
7.6.2 Repeat Transfer Mode .......................................................................................... 169
7.6.3 Block Transfer Mode............................................................................................ 170
7.6.4 Chain Transfer ...................................................................................................... 171
7.6.5 Interrupt Sources................................................................................................... 172
7.6.6 Operation Timing.................................................................................................. 172
7.6.7 Number of DTC Execution States ........................................................................ 173
7.7 Procedures for Using DTC................................................................................................. 175
7.7.1 Activation by Interrupt.......................................................................................... 175
7.7.2 Activation by Software ......................................................................................... 175
7.8 Examples of Use of the DTC............................................................................................. 176
7.8.1 Normal Transfer Mode ......................................................................................... 176
7.8.2 Software Activation .............................................................................................. 177
7.9 Usage Notes ....................................................................................................................... 178
7.9.1 Module Stop Mode Setting ................................................................................... 178