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Motore di ricerca datesheet componenti elettronici |
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DSP56857 Scheda tecnica(PDF) 230 Page - Freescale Semiconductor, Inc |
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DSP56857 Scheda tecnica(HTML) 230 Page - Freescale Semiconductor, Inc |
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230 / 662 page  Register Descriptions (DMA_BASES = $1FFEC0, $1FFEC8, $1FFED0, $1FFED8, $1FFEE0, $1FFEE8) 5685X Digital Signal Controller User Manual, Rev. 4 9-12 Freescale Semiconductor 9.6.5 DMA Destination Side Address High (DMADAH) Figure 9-7. DMA Destination Address High (DMADAH) See Programmer’s Sheet on Appendix page B - 47 9.6.5.1 Reserved—Bits 15–8 These bits are reserved or not implemented. They are read as, and written with 0s. 9.6.5.2 Destination Address High (DMADAH)—Bits 7–0 This is the upper byte of the DMA Destination Address. DMA data is written from this address. If post-incrementing (or decrementing) is enabled, this value is updated with each write transaction. 9.6.6 DMA Source Address Low (DMASAL) Figure 9-8. DMA Source Address Low (DMASAL) See Programmer’s Sheet on Appendix page B - 46 9.6.6.1 Source Address Low (DMASAL)—Bits 15-0 This is the lower word of the DMA Source Address. DMA data is read from this address. If post-incrementing (or decrementing) is enabled, this value is updated with each read transaction. 9.6.7 DMA Source Address High (DMASAH) Figure 9-9. DMA Source Address High (DMASAH) See Programmer’s Sheet on Appendix page B - 45 9.6.7.1 Reserved—Bits 15–8 These bits are reserved or not implemented. They are read as, and written with 0s. Base + $4 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Read 0 0 0 0 0 0 0 0 DMA DESTINATION ADDRESS (HIGH) Write 0 0 0 0 0 0 0 0 Reset 000 000 00 0 0 0 0 0 0 0 0 Base + $5 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Read DMA SOURCE ADDRESS (LOW) Write Reset 000 000 00 0 0 0 0 0 0 0 0 Base + $6 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Read 0 0 0 0 0 0 0 0 DMA SOURCE ADDRESS (HIGH) Write 0 0 0 0 0 0 0 0 Reset 000 000 00 0 0 0 0 0 0 0 0 |
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