SH7014 Datasheet, PDF (25/754 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

9.3 Operation........................................................................................................................... 161
9.3.1 DMA Transfer Flow ............................................................................................ 161
9.3.2 DMA Transfer Requests ...................................................................................... 163
9.3.3 Channel Priority ................................................................................................... 165
9.3.4 DMA Transfer Types........................................................................................... 165
9.3.5 Number of Bus Cycle States and DREQ Pin Sample Timing.............................. 172
9.3.6 DMA Transfer Ending Conditions....................................................................... 187
9.3.7 DMAC Access from CPU.................................................................................... 188
9.4 Examples of Use ............................................................................................................... 188
9.4.1 Example of DMA Transfer between On-Chip SCI and External Memory .......... 188
9.4.2 Example of DMA Transfer between External RAM and External Device with
DACK .................................................................................................................. 189
9.5 Usage Notes ...................................................................................................................... 190
Section 10 Multifunction Timer Pulse Unit (MTU).................................................. 191
10.1 Overview........................................................................................................................... 191
10.1.1 Features................................................................................................................ 191
10.1.2 Block Diagram ..................................................................................................... 195
10.1.3 Pin Configuration................................................................................................. 196
10.1.4 Register Configuration......................................................................................... 197
10.2 MTU Register Descriptions .............................................................................................. 199
10.2.1 Timer Control Register (TCR) ............................................................................. 199
10.2.2 Timer Mode Register (TMDR) ............................................................................ 203
10.2.3 Timer I/O Control Register (TIOR) ..................................................................... 205
10.2.4 Timer Interrupt Enable Register (TIER) .............................................................. 214
10.2.5 Timer Status Register (TSR)................................................................................ 217
10.2.6 Timer Counters (TCNT) ...................................................................................... 220
10.2.7 Timer General Register (TGR) ............................................................................ 221
10.2.8 Timer Start Register (TSTR)................................................................................ 221
10.2.9 Timer Synchro Register (TSYR) ......................................................................... 222
10.3 Bus Master Interface ......................................................................................................... 224
10.3.1 16-Bit Registers ................................................................................................... 224
10.3.2 8-Bit Registers ..................................................................................................... 224
10.4 Operation........................................................................................................................... 226
10.4.1 Overview.............................................................................................................. 226
10.4.2 Basic Functions.................................................................................................... 226
10.4.3 Synchronous Operation........................................................................................ 232
10.4.4 Buffer Operation .................................................................................................. 235
10.4.5 Cascade Connection Mode................................................................................... 238
10.4.6 PWM Mode.......................................................................................................... 240
Rev.5.00 Sep. 27, 2007 Page xxv of xxxiv
REJ09B0398-0500