MC68HC11KW1 Datasheet, PDF (111/238 Pages) Motorola, Inc – High-density complementary metal oxide semiconductor HCMOS) microcontroller unit

2C
2D
PAOVI = 1?
Yes
No
PAOVF = 1?
Yes
No
Fetch vector at
$FFDC, $FFDD
PAII = 1?
Yes
No
PAIF = 1?
Yes
No
Fetch vector at
$FFDA, $FFDB
Timer 3 OC / IC
Yes
interrupt? ^†
Fetch vector at
$FFCE, $FFCF
5
No
T03I = 1?
Yes
No
TO3F = 1?
Yes
No
Fetch vector at
$FFCC, $FFCD
SPIE = 1?
Yes
No
SPIF = 1?
Yes
No
MODF = 1?
Yes
No
Fetch vector at
$FFD8, $FFD9
SCI
Yes
interrupt? ^‡
No
Fetch vector at
$FFD6, $FFD7
Spurious interrupt — take IRQ vector
Fetch vector at
$FFF2, $FFF3
END
† Flag polling is required to determine the source of this interrupt (refer to Section 9).
‡ Refer to Figure 5-6 for further details on SCI interrupts.
Figure 5-5 Interrupt priority resolution (3 of 3)
MC68HC11KW1
RESETS AND INTERRUPTS
5-21