
U.S.
Patent
0111.
30,
2001
Sheet
2
of
18
US
6,311,264
B1
FROM
[10.
10
,N
N‘
=
DBMR
f223
101D\.
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241
/
BlM R
=
k
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V
DATA
/
153 x13
1
1
1 ‘
V
144
CBER
lNDX
ARCR
CBSR
\
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A126
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11
\
2
MUX
145
IR
159
157
11
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g
\1
1
v 1
115
DP|(9)
DMA(|7)
ARP
\
MUX
/
11
/
\ \
s
W
_
AUXREGS 125
127
E
11
7
(8x16)
=
=
ARB
/
148
CORE
REGISTER
121/
ADR
DEcoDER
I:
y
\
DATA
ADDRESS
\
1
MEMORY—MAPPED
REGISTERS
5T0
ST1
PMST
>
1MR
IFR
GREG
\85
FIG.
7b
RPTC
DBMR
CBCR
BRCR
PASR PAER
‘
\
~
DATA
MEMORY
25
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