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Rabbit 6000 User’s Manual
digi.com
30
Global Clock Double Register
(GCDR)
(Address = 0x000F)
Bit(s)
Value
Description
7
0
Disable system PLL.
1
Enable system PLL. Setting this bit does not select the system PLL as the clock
source.
6:5
These bits are reserved and should always be written with zeros.
4:0
00000
The clock doubler circuit is disabled.
00001
9 nS nominal Low time.
00010
10.5 nS nominal Low time.
00011
12 nS nominal Low time.
00100
13.5 nS nominal Low time.
00101
15 nS nominal Low time.
00110
16.5 nS nominal Low time.
00111
18 nS nominal Low time.
01000
19.5 nS nominal Low time.
01001
21 ns nominal Low time.
01010
22.5 ns nominal Low time.
01011
24 ns nominal Low time.
01100
25.5 ns nominal Low time.
01101
27 ns nominal Low time.
01110
28.5 ns nominal Low time.
01111
30 ns nominal Low time.
10001
4.5 nS nominal Low time.
10010
6 nS nominal Low time.
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...
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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...