Renesas REJ06B0734-0100, SH7263, SH7203

SH7263/SH7203 Group

Data Transfer to On-chip Peripheral Modules with DMAC

REJ06B0734-0100/Rev.1.00 April 2008 Page 8 of 17

Table 3 Macro Definitions Used in Sample Program

Macro Definition Setting Value Description

DMA_SIZE_BYTE H'0000 Byte transfer

DMA_SIZE_WORD H'0001 Word transfer

DMA_SIZE_LONG H'0002 Longword transfer

DMA_SIZE_LONGx4 H'0003 16-byte transfer

DMA_INT_DISABLE H'0000 DMA transfer end interrupt disabled

DMA_INT_ENABLE H'0010 DMA transfer end interrupt enabled

START

END

Yes

DMA transfer

completed?

Initialize DMAC/enable transfer

io_init_dma1()

Initialize SCIF/enable

transmission and transmission

interrupts

io_init_scif()

Figure 4 Flowchart of Sample Program

Contents

Main APPLICATION NOTE SH7263/SH7203 Group Data Transfer to On-chip Peripheral Modules with DMAC SH7263/SH7203 Group 1. Introduction 1.1 Specification 1.2 Modules Used 1.3 Applicable Conditions 1.4 Related Application Notes SH7263/SH7203 Group 2. Description of Sample Application 2.1 Operational Overview of Modules Used REJ06B0734-0100/Rev.1.00 April 2008 Page 4 of 17 Figure 1 Block Diagram of DMAC SH7263/SH7203 Group REJ06B0734-0100/Rev.1.00 April 2008 Page 5 of 17 2.2 Procedure for Setting Used Modules Figure 2 Flowchart of Initializing DMAC SH7263/SH7203 Group REJ06B0734-0100/Rev.1.00 April 2008 Page 6 of 17 2.3 Operation of Sample Program H'28H'29 H'27 H'00 DMAC1 CPU SH7263/SH7203 Group 2.4 Processing Procedure of Sample Program Page SH7263/SH7203 Group REJ06B0734-0100/Rev.1.00 April 2008 Page 9 of 17 3. Sample Program 1. Sample Program Listing "main.c" (1) REJ06B0734-0100/Rev.1.00 April 2008 Page 10 of 17 2. Sample Program Listing "main.c" (2) REJ06B0734-0100/Rev.1.00 April 2008 Page 11 of 17 3. Sample Program Listing "main.c" (3) REJ06B0734-0100/Rev.1.00 April 2008 Page 12 of 17 4. Sample Program Listing "main.c" (4) REJ06B0734-0100/Rev.1.00 April 2008 Page 13 of 17 5. Sample Program Listing "main.c" (5) REJ06B0734-0100/Rev.1.00 April 2008 Page 14 of 17 6. Sample Program Listing "main.c" (7) Page SH7263/SH7203 Group Website and Support Revision Record REJ06B0734-0100/Rev.1.00 April 2008 Page 17 of 17 Notes regarding these materials 2008. Renesas Technology Corp., all rights reserved.