mc68ec020 Freescale Semiconductor, Inc, mc68ec020 Datasheet - Page 104
mc68ec020
Manufacturer Part Number
mc68ec020
Description
Microprocessors
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68EC020.pdf
(306 pages)
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MOTOROLA
*
**
FC2–FC0
**
D31–D24
A31–A20
A19–A16
DSACK1
DSACK0
D23–D16
*
D15–D8
A15–A2
**
**
D7–D0
A1–A0
DBEN
BERR
For the MC68EC020, A23–A20.
This signal does not apply to the MC68EC020.
HALT
SIZ1
SIZ0
R/W
ECS
OCS
CLK
DS
AS
S0
Figure 5-38. Bus Error without
READ CYCLE
S2
S4
M68020 USER’S MANUAL
S0
ACKNOWLEDGE
BREAKPOINT
BUS ERROR
S2
FETCH
BREAKPOINT ENCODING
BREAKPOINT NUMBER
CPU SPACE
S4
(0000)
WORD
DSACK1/DSACK0
S0
EXCEPTION
STACKING
S2
5-57
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