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Rabbit 6000 User’s Manual
digi.com
76
Advanced Chip Select x Control Register
(ACS0CR)
(Address = 0x0410)
(ACS1CR)
(Address = 0x0411)
(ACS2CR)
(Address = 0x0412)
Bit(s)
Value
Description
7:5
000
Zero extra wait states for reads, writes, or first Page-Mode access.
001
One extra wait state for reads, writes, or first Page-Mode read access.
010
Two extra wait states for reads, writes, or first Page-Mode access.
011
Three extra wait states for reads, writes, or first Page-Mode read access.
100
Four extra wait states for reads, writes, or first Page-Mode read access.
101
Five extra wait states for reads, writes, or first Page-Mode read access.
110
Six extra wait state for reads, writes, or first Page-Mode read access.
111
Seven extra wait state for reads, writes, or first Page-Mode read access.
4:3
00
Zero extra wait states for subsequent Page-Mode accesses.
01
One extra wait state for subsequent Page-Mode accesses.
10
Two extra wait states for subsequent Page-Mode accesses.
11
Three extra wait states for subsequent Page-Mode accesses.
2
This bit is reserved and should not be used.
1
0
Page size 16 bytes.
1
Page size 8 bytes.
0
0
Disable byte writes on 16-bit bus.
1
Enable byte writes on 16-bit bus.
RAM Segment Register
(RAMSR)
(Address = 0x0448)
Bit(s)
Value
Description
7:2
Compare value for RAM segment limit checking.
1:0
00
Disable RAM segment limit checking.
01
Select data-type MMU translation if PC[15:10] is equal to RAMSR[7:2].
10
Select data-type MMU translation if PC[15:11] is equal to RAMSR[7:3].
11
Select data-type MMU translation if PC[15:12] is equal to RAMSR[7:4].
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...
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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...
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Page 351: ...Rabbit 6000 User s Manual digi com 351 31 1 4 Block Diagram...
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Page 420: ...Rabbit 6000 User s Manual digi com 420 Figure 37 1 Memory Read and Write Cycles...