Motorola MC68030 User Manual page 238

7-76
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S2 S4
so
S2 S4
CLK
A20-A31
=:J< __________ , ...... ________ _
so
S2
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/
A16-A19
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(0000)
BREAKPOINT ENCODING
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____ _
A2-A15
=:J<""---______ . . . J X
BREAKPOINT NUMBER -
=
=
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AO.Al
_='_ ..... _______________ _
/
FCO-FC2
=:J<""---______ ...J!
CPU SPACE - - -
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SIZI
=:J<""---______ ...J!
,'----
WORD
SIZO
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/
R/W
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V
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O C S - V
V
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AS
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ITS
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----~
OSACKI
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_ _ _
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OSACKO
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\ _____ f
\ . . . . . . _---'f
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024-031
- - - « ' - - -
016-023
- - - - « ' - - - -
08-015
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00-07
==>
C=>>---------------c=
BERR
J
HALT
J
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READ CYCLE
+
A~~~~~~~~~E
-1
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. INSTRUCTION WORD
FETCH
1_
FETCHED INSTRUCTION
r
EXECUTION
Figure 7-47. Breakpoint Acknowledge Cycle Timing
MC68030 USER'S MANUAL MOTOROLA