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HD6417751RBP240V Datasheet, PDF (68/1226 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents | |||
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14.4.1 Examples of Transfer between External Memory and an External Device
with DACK .......................................................................................................... 552
14.5 On-Demand Data Transfer Mode (DDT Mode)................................................................ 553
14.5.1 Operation ............................................................................................................. 553
14.5.2 Pins in DDT Mode............................................................................................... 555
14.5.3 Transfer Request Acceptance on Each Channel .................................................. 558
14.5.4 Notes on Use of DDT Module ............................................................................. 580
14.6 Configuration of the DMAC (SH7751R).......................................................................... 583
14.6.1 Block Diagram of the DMAC.............................................................................. 583
14.6.2 Pin Configuration (SH7751R) ............................................................................. 584
14.6.3 Register Configuration (SH7751R) ..................................................................... 585
14.7 Register Descriptions (SH7751R)..................................................................................... 588
14.7.1 DMA Source Address Registers 0â7 (SAR0âSAR7).......................................... 588
14.7.2 DMA Destination Address Registers 0â7 (DAR0âDAR7).................................. 588
14.7.3 DMA Transfer Count Registers 0â7 (DMATCR0âDMATCR7) ........................ 589
14.7.4 DMA Channel Control Registers 0â7 (CHCR0âCHCR7) .................................. 589
14.7.5 DMA Operation Register (DMAOR) .................................................................. 593
14.8 Operation (SH7751R) ....................................................................................................... 595
14.8.1 Channel Specification for a Normal DMA Transfer............................................ 595
14.8.2 Channel Specification for DDT-Mode DMA Transfer ........................................ 595
14.8.3 Transfer Channel Notification in DDT Mode ...................................................... 596
14.8.4 Clearing Request Queues by DTR Format........................................................... 597
14.8.5 Interrupt-Request Codes ...................................................................................... 597
14.9 Usage Notes ...................................................................................................................... 600
Section 15 Serial Communication Interface (SCI) .................................................... 603
15.1 Overview........................................................................................................................... 603
15.1.1 Features................................................................................................................ 603
15.1.2 Block Diagram..................................................................................................... 605
15.1.3 Pin Configuration................................................................................................. 606
15.1.4 Register Configuration......................................................................................... 606
15.2 Register Descriptions ........................................................................................................ 607
15.2.1 Receive Shift Register (SCRSR1)........................................................................ 607
15.2.2 Receive Data Register (SCRDR1) ....................................................................... 607
15.2.3 Transmit Shift Register (SCTSR1) ...................................................................... 608
15.2.4 Transmit Data Register (SCTDR1)...................................................................... 608
15.2.5 Serial Mode Register (SCSMR1)......................................................................... 609
15.2.6 Serial Control Register (SCSCR1)....................................................................... 611
15.2.7 Serial Status Register (SCSSR1).......................................................................... 615
15.2.8 Serial Port Register (SCSPTR1) .......................................................................... 619
Rev.4.00 Oct. 10, 2008 Page lxvi of xcviii
REJ09B0370-0400
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