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DSP56857 データシート(PDF) 230 Page - Freescale Semiconductor, Inc

部品番号 DSP56857
部品情報  Digitial Signal Controller
PDF  662 Pages
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メーカー  FREESCALE [Freescale Semiconductor, Inc]
ホームページ  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

DSP56857 データシート(HTML) 230 Page - Freescale Semiconductor, Inc

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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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