mc68ec020 Freescale Semiconductor, Inc, mc68ec020 Datasheet - Page 88
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mc68ec020
Manufacturer Part Number
mc68ec020
Description
Microprocessors
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68EC020.pdf
(306 pages)
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MOTOROLA
FC2–FC0
DSACK0
D23–D16
**
*
DSACK1
**
D31–D24
*
A31–A2
**
**
DBEN
D7–D0
D15–8
BERR
HALT
For the MC68EC020, A23–A2.
This signal does not apply to the MC68EC020.
SIZ0
RMC
OCS
SIZ1
R/W
ECS
CLK
BG
A0
AS
DS
A1
Figure 5-30. Byte Read-Modify-Write Cycle—32-Bit Port (TAS Instruction)
S0
S2
S4
OP3
Si
INDIVISIBLE CYCLE
M68020 USER’S MANUAL
Si
S6
S8
OP3
OP3
OP3
OP3
S10
S11
S0
NEXT CYCLE
5-41
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