MC68030 Datasheet, PDF (220/602 Pages) Motorola, Inc – ENHANCED 32-BIT MICROPROCESSOR

Bus Operation
CLK
A31-A4
A3-A1
A0
FC2-FC0
SIZ1
SIZ0
R/W
ECS
OCS
AS
DS
DSACK1
DSACK0
DBEN
D31-D24
D23-D16
D7-D0
IPL2-IPL0
IPEND
S0
S2
S4
S0
S2
S4
S0
S2
INTERRUPT LEVEL
VECTOR # FROM 8-BIT PORT
VECTOR # FROM 16-BIT PORT
VECTOR # FROM 32-BIT PORT
READ CYCLE
INTERRUPT
ACKNOWLEDGE
WRITE STACK
Figure 7-44. Interrupt Acknowledge Cycle Timing
7-74
MC68030 USER’S MANUAL
MOTOROLA