Breakpoint Acknowledge Cycle Timing - Motorola MC68020 User Manual

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