HP 9030 CE - Page 70

t.tAPPER CAM
REGISTER
ADDRESS
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CS
SELECTED
RCNI
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o
9030/40 Diagrams 9-5
Y ADDRESS
SELECTED
X AND Y ADDRESS SELECTS WORD
BLOCK
WITHIN THE BLOCK
NUMBER
0
4K WORDS 4K BYTES 4K BYTES 4K BYTES
4K BYTES
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1
4K WORDS
4K
BYTES
4-K BYTES 4K BYTES
4K BYTES
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4K WORDS 4K BYTES 4-K BYTES 4K BYTES
4K BYTES
3
4K WORDS
4-K
BYTES 4-K BYTES 4-K BYTES 4-K
BYTES
:~: {I
I
0 4-K WORDS
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-
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1 4K WORDS 16K BYTE 16K
BYTE
16K BYTE
16K BYTE
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2 4-K WORDS RAM RAM RAM
RAM
- - -
3
4K WORDS
:SO,: {I
I
0
4-K WORDS
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- -
1
4-K WORDS
16K
BYTE 16K
BYTE 16K
BYTE 16K
BYTE
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-
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2
4-K WORDS
RAM
RAM
RAM RAM
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4-K WORDS
U·SO,: {I
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0 4K WORDS
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4-K WORDS
16K BYTE
16K
BYTE 16K BYTE 16K BYTE
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2 4-K WORDS RAM RAM RAM RAM
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3 4-K WORDS
{I
I
NOT
USED
256K Memory Mapping Organization