MC68EC000 Motorola, MC68EC000 Datasheet - Page 89

• Manufacturer Part Number: MC68EC000
• Description: Core Processor (SCM 68000)
• Manufacturer: Motorola

Exception Processing
4-4
IPLB2–IPLB0
SIZ1–SIZ0
IPLB2–IPLB0 SAMPLED
IPLB2–IPLB0 TRANSITION
IPLB2–IPLB0 VALID INTERNALLY
FC2–FC0
DTACKB
D15–D8
Figure 4-2. Interrupt Acknowledge Cycle Timing Diagram (Sheet 1 of 3)
A31–A4
TSCAE
D7–D0
ERWB
RMCB
AOEB
COEB
A3–A1
UDSB
DOEB
LDSB
RWB
CLKI
DSB
ASB
A0
LAST BUS CYCLE OF INSTRUCTION
S0 S1 S2 S3 S4 S5 S6 S7
(READ OR WRITE)
Freescale Semiconductor, Inc.
EC000 CORE PROCESSOR USER’S MANUAL
For More Information On This Product,
Go to: www.freescale.com
OPERATIONS
INTERNAL
S0 S1 S2 S3 S4 S5 S6
WORD OF PC
STACK LOW
ON SSP
FCx = $5
S7
MOTOROLA
S0 S1