HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 16
HD6417320
Manufacturer Part Number
HD6417320
Description
Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6417320.pdf
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9.5
9.6
Section 10 Direct Memory Access Controller (DMAC)..................................... 407
10.1 Features.............................................................................................................................. 407
10.2 Input/Output Pins............................................................................................................... 409
10.3 Register Descriptions......................................................................................................... 410
10.4 Operation ........................................................................................................................... 424
10.5 Usage Notes ....................................................................................................................... 448
Rev. 3.00 Jan. 18, 2008 Page xvi of lxii
9.4.5
9.4.6
9.4.7
9.4.8
Operation ........................................................................................................................... 331
9.5.1
9.5.2
9.5.3
9.5.4
9.5.5
9.5.6
9.5.7
9.5.8
9.5.9
9.5.10 Wait between Access Cycles ................................................................................ 401
9.5.11 Bus Arbitration ..................................................................................................... 401
Usage Notes ....................................................................................................................... 404
10.3.1 DMA Source Address Registers (SAR_0 to SAR_5) ........................................... 411
10.3.2 DMA Destination Address Registers (DAR_0 to DAR_5) .................................. 412
10.3.3 DMA Transfer Count Registers (DMATCR_0 to DMATCR_5) ......................... 412
10.3.4 DMA Channel Control Registers (CHCR_0 to CHCR_5) ................................... 413
10.3.5 DMA Operation Register (DMAOR) ................................................................... 418
10.3.6 DMA Extended Resource Selectors 0 to 2 (DMARS0 to DMARS2)................... 420
10.4.1 DMA Transfer Flow ............................................................................................. 424
10.4.2 DMA Transfer Requests ....................................................................................... 426
10.4.3 Channel Priority.................................................................................................... 431
10.4.4 DMA Transfer Types............................................................................................ 434
10.4.5 Number of Bus Cycle States and DREQ Pin Sampling Timing ........................... 444
10.5.1 Notes on DACK Pin Output ................................................................................. 448
10.5.2 Notes on the Cases When DACK is Divided........................................................ 448
10.5.3 Other Notes........................................................................................................... 452
Refresh Timer Control/Status Register (RTCSR)................................................. 328
Refresh Timer Counter (RTCNT)......................................................................... 329
Refresh Time Constant Register (RTCOR) .......................................................... 330
SDRAM Mode Registers 2, 3 (SDMR2 and SRMR3) ......................................... 330
Endian/Access Size and Data Alignment.............................................................. 331
Normal Space Interface ........................................................................................ 337
Access Wait Control ............................................................................................. 343
CSn Assert Period Expansion ............................................................................... 345
SDRAM Interface ................................................................................................. 346
Burst ROM (Clock Asynchronous) Interface ....................................................... 385
Byte-Selection SRAM Interface ........................................................................... 387
PCMCIA Interface................................................................................................ 392
Burst ROM (Clock Synchronous) Interface.......................................................... 400
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