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Motorola MC68020 User Manual

Motorola MC68020
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MOTOROLA M68020 USER’S MANUAL 5- 51
BREAKPOINT
ACKNOWLEDGE
INSTRUCTION WORD
FETCH
READ CYCLE
CLK
A31–A20
A19–A16
A15–A2
FC2–FC0
SIZ1
R/W
ECS
OCS
AS
DS
DSACK0
DBEN
D23–D16
SIZ0
DSACK1
S0
S2
S4
S0
S2
S4
S0
S2
D7–D0
D15–D8
BREAKPOINT NUMBER
WORD
FETCHED
I
NSTRUCTION
E
XECUTION
(0000)
B
REAKPOINT ENCODIN
G
A1–A0
HALT
BERR
**
**
**
*
Figure 5-36. Breakpoint Acknowledge Cycle Timing

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Motorola MC68020 Specifications

General IconGeneral
BrandMotorola
ModelMC68020
CategoryComputer Hardware
LanguageEnglish

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