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Rabbit 6000 User’s Manual
digi.com
265
DMA Master Auto-Load MSB Register
(DMALMR)
(Address = 0x0111)
Bit(s)
Value
Description
7:0
0
No effect on the corresponding DMA channel (15–8).
(wr-only)
1
Start (using auto-load) the corresponding DMA channel (15-8), using the buffer
descriptor in memory addressed by the channel Initial Address Register. This
command should only be issued after the Initial Address has been loaded.
7:0
0
The corresponding DMA channel (15-8) is either disabled or has completed the
last buffer descriptor.
(rd-only)
1
The corresponding DMA channel (15-8) is enabled and active. These bits are set
by the Start command and remain set until the completion of the last buffer or
receipt of a Halt command.
DMA Master Halt LSB Register
(DMHLR)
(Address = 0x0120)
Bit(s)
Value
Description
7:0
0
No effect on the corresponding DMA channel (7–0).
1
Halt the corresponding DMA channel (7–0). The DMA registers retain
the current state, and the DMA can be restarted using DMCSLR.
DMA Master Halt MSB Register
(DMHMR)
(Address = 0x0121)
Bit(s)
Value
Description
7:0
0
No effect on the corresponding DMA channel (15–8).
1
Halt the corresponding DMA channel (15–8). The DMA registers retain
the current state, and the DMA can be restarted using DMCSMR.
Summary of Contents for 6000
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Page 11: ...Rabbit 6000 User s Manual digi com 11 1 3 Block Diagram Figure 1 1 Rabbit 6000 Block Diagram...
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Page 234: ...Rabbit 6000 User s Manual digi com 234 Figure 22 3 Sample Slow A D Converter Circuit...
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Page 420: ...Rabbit 6000 User s Manual digi com 420 Figure 37 1 Memory Read and Write Cycles...