mc68ec060 Freescale Semiconductor, Inc, mc68ec060 Datasheet - Page 248

• Manufacturer Part Number: mc68ec060
• Description: Mc68060 Superscalar 68k Microprocessor Including The Lc060 And Ec060
• Manufacturer: Freescale Semiconductor, Inc

Exception Processing
instruction causes the MC68060 to assert the RSTO signal, allowing other devices within
the system to be reset.
8-16
Figure 8-5. Reset Exception Processing Flowchart
FP CONTROL REGS.
BEGIN INSTRUCTION
I2–I0 BITS OF SR
FP DATA REGS.
FETCH VECTOR #0
FETCH VECTOR #1
VECTOR #0
VECTOR #1
INSTRUCTION
FETCH FIRST
OTHERWISE
OTHERWISE
S-BIT OF SR
T-BIT OF SR
OTHERWISE
EXECUTION
DTTn[E-BIT]
ITTn[E-BIT]
ENTRY
EXIT
BUSCR
CACR
PCR
VBR
TCR
M68060 USER’S MANUAL
SP
PC
=
=
=
=
=
=
=
=
=
=
=
=
1
0
$7
$0
$0
0
0
$0
$0
$0
NAN
$0
ADDRESS ERROR
BUS ERROR
BUS ERROR OR
BUS ERROR
(DOUBLE BUS FAULT)
(DOUBLE BUS FAULT)
(DOUBLE BUS FAULT)
(PST4–PST0 = $1C)
HALTED STATE
EXIT
MOTOROLA