MC68HC11PH8 Datasheet, PDF (207/264 Pages) Motorola, Inc – High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit

2C
2D
PAOVI = 1?
Yes
No
PAII = 1?
Yes
No
PAOVF = 1?
Yes
No
PAIF = 1?
Yes
No
Fetch vector at
$FFDC, $FFDD
Fetch vector at
$FFDA, $FFDB
Wired-OR
Yes
interrupt?
No
SPIE = 1?
Yes
No
WOIF = 1?
Yes
No
SPIF = 1?
Yes
No
MODF = 1?
Yes
No
Fetch vector at
$FFCE, $FFCF
Fetch vector at
$FFD8, $FFD9
SCI1
interrupt?
No
Yes
Fetch vector at
$FFD6, $FFD7
Spurious interrupt Ñ take IRQ vector
Fetch vector at
$FFF2, $FFF3
Refer to Figure 10-6 for further details on SCI interrupts.
END
Figure 10-5 Interrupt priority resolution (3 of 3)
10
MC68HC11PH8
RESETS AND INTERRUPTS
TPG
MOTOROLA
10-23