mc68ec020 Freescale Semiconductor, Inc, mc68ec020 Datasheet - Page 94
mc68ec020
Manufacturer Part Number
mc68ec020
Description
Microprocessors
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68EC020.pdf
(306 pages)
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MOTOROLA
IPL2–IPL0
**
**
FC2–FC0
*
DSACK0
**
D24–D31
D23–D16
DSACK1
*
**
A31–A4
**
IPEND
D7–D0
A3–A1
DBEN
For the MC68EC020, A23–A4.
This signal does not apply to the MC68EC020.
OCS
SIZ0
ECS
CLK
SIZ1
R/W
DS
A0
AS
Figure 5-33. Interrupt Acknowledge Cycle Timing
S0
READ CYCLE
S2
S4
M68020 USER’S MANUAL
S0
ACKNOWLEDGE
VECTOR # FROM 16-BIT PORT
VECTOR # FROM 8-BIT PORT
VECTOR # FROM 32-BIT PORT
INTERRUPT
S2
INTERRUPT LEVEL
S4
S0
WRITE STACK
S2
5-47
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