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MPC8540 Datasheet(PDF) 782 Page - Freescale Semiconductor, Inc

Part # MPC8540
Description  MPC8540 PowerQUICC III??Integrated Host Processor Reference Manual
PDF  1302 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MPC8540 Datasheet(HTML) 782 Page - Freescale Semiconductor, Inc

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MPC8540 PowerQUICC III Integrated Host Processor Reference Manual, Rev. 1
15-4
Freescale Semiconductor
DMA Controller
Refer to Section 15.4, “Functional Description,” for details on these modes.
Figure 15-2 shows the general DMA operational flow chart.
Figure 15-2. DMA Operational Flow Chart
Extended Chaining Modes
Extended chaining
1
0
Reserved
0
0
0
Extended chaining external
control
10
Reserved
0
0
1
Extended chaining single-write
start
1
0
Reserved
0
1
0
Table 15-2. DMA Mode Field Descriptions (continued)
Modes with Features
MRn[XFE] MRn[CTM] MRn[SRW]
MRn[EM] MRn[CDSM/SWSM] MRn[EMS_EN]
Software sets 1st link
Process Link
last link?
Is
N
Y
N
Chain or Extended
Done - DMA halts
Y
Is
last list?
N
Y
Advance List
Advance
Mode?
In
Link



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