SH7014 datasheet(25/754 Pages) RENESAS

25 / 754 page

Rev.5.00 Sep. 27, 2007 Page xxv of xxxiv

REJ09B0398-0500

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

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