Figure 2-3. M68000 Bus/Address Error Exception Stack Frame; Figure 2-4. M68000 Short-Form Exception Stack Frame - Motorola MC68302 User Manual

MC68000/MC68008 Core
15
R/ W (read/write): write = 0, read = 1
I/N (instruction not): instruction = 0, not =1
FC: Function Code

Figure 2-3. M68000 Bus/Address Error Exception Stack Frame

7
15
SSP

Figure 2-4. M68000 Short-Form Exception Stack Frame

The MC68302 uses the exact same exception stack frames as
the MC68000.
For exception processing times and instruction execution times,
refer to MC68000UM/AD, 8-/16-/32-Bit Microprocessor User's
Manual .
2-10
ACCESS ADDRESS HIGH
ACCESS ADDRESS LOW
INSTRUCTION REGISTER
STATUS REGISTER
PROGRAM COUNTER HIGH
PROGRAM COUNTER LOW
EVEN BYTE
0 7
STATUS REGISTER
PROGRAM COUNTER HIGH
PROGRAM COUNTER LOW
NOTE
MC68302 USER'S MANUAL
5 4 3 2
R/ W I/N
FC
ODD BYTE
0
0
ADDRESS
0
HIGHER
MOTOROLA