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Rabbit 6000 User’s Manual
digi.com
269
DMA Master Request 1 Control Register
(DMR1CR)
(Address = 0x0107)
Bit(s)
Value
Description
7:6
00
External DMA Request 1 disabled.
01
External DMA Request 1 enabled from Parallel Port PD3.
10
External DMA Request 1 enabled from Parallel Port PE3.
11
External DMA Request 1 enabled from Parallel Port PE7.
5:4
00
External DMA Request 1 falling-edge triggered. One transfer per request.
01
External DMA Request 1 rising-edge triggered. One transfer per request.
10
External DMA Request 1 active low. Transfers continue while low.
11
External DMA Request 1 active high. Transfers continue while high.
3:0
0000
External DMA Request 1 supplied to DMA Channel 0.
0001
External DMA Request 1 supplied to DMA Channel 1.
0010
External DMA Request 1 supplied to DMA Channel 2.
0011
External DMA Request 1 supplied to DMA Channel 3.
0100
External DMA Request 1 supplied to DMA Channel 4.
0101
External DMA Request 1 supplied to DMA Channel 5.
0110
External DMA Request 1 supplied to DMA Channel 6.
0111
External DMA Request 1 supplied to DMA Channel 7.
1000
External DMA Request 1 supplied to DMA Channel 8.
1001
External DMA Request 1 supplied to DMA Channel 9.
1010
External DMA Request 1 supplied to DMA Channel 10.
1011
External DMA Request 1 supplied to DMA Channel 11.
1100
External DMA Request 1 supplied to DMA Channel 12.
1101
External DMA Request 1 supplied to DMA Channel 13.
1110
External DMA Request 1 supplied to DMA Channel 14.
1111
External DMA Request 1 supplied to DMA Channel 15.
Summary of Contents for 6000
Page 1: ...Rabbit 6000 Microprocessor User s Manual 90001108_J...
Page 11: ...Rabbit 6000 User s Manual digi com 11 1 3 Block Diagram Figure 1 1 Rabbit 6000 Block Diagram...
Page 43: ...Rabbit 6000 User s Manual digi com 43 4 1 1 Block Diagram...
Page 57: ...Rabbit 6000 User s Manual digi com 57 5 1 1 Block Diagram...
Page 88: ...Rabbit 6000 User s Manual digi com 88 7 2 Block Diagram...
Page 115: ...Rabbit 6000 User s Manual digi com 115 11 1 1 Block Diagram...
Page 127: ...Rabbit 6000 User s Manual digi com 127 12 1 1 Block Diagram...
Page 138: ...Rabbit 6000 User s Manual digi com 138 13 1 1 Block Diagram...
Page 154: ...Rabbit 6000 User s Manual digi com 154 15 1 1 Block Diagram...
Page 163: ...Rabbit 6000 User s Manual digi com 163 16 1 1 Block Diagram...
Page 170: ...Rabbit 6000 User s Manual digi com 170 17 1 1 Block Diagram...
Page 177: ...Rabbit 6000 User s Manual digi com 177 18 1 1 Block Diagram...
Page 186: ...Rabbit 6000 User s Manual digi com 186 19 1 1 Block Diagram...
Page 230: ...Rabbit 6000 User s Manual digi com 230 22 2 Block Diagram...
Page 234: ...Rabbit 6000 User s Manual digi com 234 Figure 22 3 Sample Slow A D Converter Circuit...
Page 287: ...Rabbit 6000 User s Manual digi com 287 25 1 1 Block Diagram...
Page 310: ...Rabbit 6000 User s Manual digi com 310 26 1 1 Block Diagram...
Page 323: ...Rabbit 6000 User s Manual digi com 323 28 1 1 Block Diagram...
Page 351: ...Rabbit 6000 User s Manual digi com 351 31 1 4 Block Diagram...
Page 361: ...Rabbit 6000 User s Manual digi com 361 32 1 1 Block Diagram...
Page 369: ...Rabbit 6000 User s Manual digi com 369 33 2 Block Diagram...
Page 390: ...Rabbit 6000 User s Manual digi com 390 35 1 1 Block Diagram...
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Page 420: ...Rabbit 6000 User s Manual digi com 420 Figure 37 1 Memory Read and Write Cycles...