M68HC12B Datasheet, PDF (69/334 Pages) Freescale Semiconductor, Inc – Microcontrollers

Maskable Interrupts
Table 4-2. MC68HC(9)12BC32 Interrupt Vector Map
Vector
Address
Interrupt Source
CCR
Mask
Local Enable
Register
Bit(s)
$FFFE, $FFFF
$FFFC, $FFFD
$FFFA, $FFFB
$FFF8, $FFF9
$FFF6, $FFF7
$FFF4, $FFF5
$FFF2, $FFF3
$FFF0, $FFF1
$FFEE, $FFEF
$FFEC, $FFED
$FFEA, $FFEB
$FFE8, $FFE9
$FFE6, $FFE7
$FFE4, $FFE5
$FFE2, $FFE3
$FFE0, $FFE1
$FFDE, $FFDF
$FFDC, $FFDD
$FFDA, $FFDB
$FFD8, $FFD9
$FFD6, $FFD7
$FFD4, $FFD5
$FFD2, $FFD3
$FFD0, $FFD1
$FFCA–$FFCF
Reset
COP clock monitor fail reset
COP failure reset
Unimplemented instruction trap
SWI
XIRQ
IRQ
Real-time interrupt
Timer channel 0
Timer channel 1
Timer channel 2
Timer channel 3
Timer channel 4
Timer channel 5
Timer channel 6
Timer channel 7
Timer overflow
Pulse accumulator overflow
Pulse accumulator input edge
SPI serial transfer complete
SCI 0
Reserved
ATD
MSCAN wakeup
Reserved (not implemented)
$FFC8–$FFC9 MSCAN errors
$FFC6, $FFC7
$FFC4, $FFC5
$FF80, $FFC3
MSCAN receive
MSCAN transmit
Reserved (implemented)
None
None
None
None
None
X bit
I bit
I bit
I bit
I bit
I bit
I bit
I bit
I bit
I bit
I bit
I bit
I bit
I bit
I bit
I bit
I bit
I bit
I bit
I bit
None
COPCTL
None
None
None
None
INTCR
RTICTL
TMSK1
TMSK1
TMSK1
TMSK1
TMSK1
TMSK1
TMSK1
TMSK1
TMSK2
PACTL
PACTL
SP0CR1
SC0CR2
—
ATDCTL2
CRIER
—
I bit CRIER
I bit CRIER
I bit
CTCR
I bit
—
None
CME, FCME
COP rate selected
None
None
None
IRQEN
RTIE
C0I
C1I
C2I
C3I
C4I
C5I
C6I
C7I
TOI
PAOVI
PAI
SPIE
TIE, TCIE, RIE, ILIE
—
ASCIE
WUPIE
—
RWRNIE, TWRNIE,
RERRIE, TERRIE,
BOFFIE, OVRIE
RXFIE
TXEIE[2:0]
—
HPRIO Value
to Elevate
to Highest I Bit
—
—
—
—
—
—
$F2
$F0
$EE
$EC
$EA
$E8
$E6
$E4
$E2
$E0
$DE
$DC
$DA
$D8
$D6
$D4
$D2
$D0
$CA–$CF
$C8
$C6
$C4
$80–$C3
M68HC12B Family Data Sheet, Rev. 9.1
Freescale Semiconductor
69