XC912BC32CFU8 Motorola Semiconductor Products, XC912BC32CFU8 Datasheet - Page 70

• Manufacturer Part Number: XC912BC32CFU8
• Description: M68HC12B Family Data Sheet
• Manufacturer: Motorola Semiconductor Products

Resets and Interrupts
Data Sheet
70
$FFDC, $FFDD
$FFCC, $FFCD
$FFEC, $FFED
$FFDE, $FFDF
$FFDA, $FFDB
$FFCA, $FFCB
$FFCE, $FFCF
1. See
$FFFC, $FFFD
$FFEE, $FFEF
$FFEA, $FFEB
$FFFE, $FFFF
$FFFA, $FFFB
$FFE8, $FFE9
$FFE6, $FFE7
$FFE4, $FFE5
$FFE2, $FFE3
$FFE0, $FFE1
$FFD8, $FFD9
$FFD6, $FFD7
$FFD4, $FFD5
$FFD2, $FFD3
$FFD0, $FFD1
$FFC2–$FFC9
$FFF8, $FFF9
$FFF6, $FFF7
$FFF4, $FFF5
$FFF2, $FFF3
$FFF0, $FFF1
$FF80–$FFC1
Address
Vector
Table 4-2
for the MC68HC(9)12BC32 interrupt vector map.
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
BDLC
Reserved (not implemented)
Reserved (implemented)
Pulse accumulator B overflow
Modulus down counter underflow
Reserved (implemented)
An interrupt that is assigned highest priority is still subject to global masking by the
I bit in the CCR or by any associated local bits. Interrupt vectors are not affected
by priority assignment. HPRIO can be written only while the I bit is set (interrupts
inhibited).
for all devices except the MC68HC(9)12BC32.
and vectors for the MC68HC(9)12BC32.
Interrupt Source
Table 4-1
Table 4-1. Interrupt Vector Map
lists interrupt sources and vectors in default order of priority
Resets and Interrupts
Mask
None
None
None
None
None
CCR
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
I bit
I bit
I bit
I bit
ATDCTL2
COPCTL
Register
SP0CR1
SC0CR2
RTICTL
MCCTL
TMSK1
TMSK1
TMSK1
TMSK1
TMSK1
TMSK1
TMSK1
TMSK1
TMSK2
PBCTL
INTCR
PACTL
PACTL
BCR1
None
None
None
None
None
—
—
—
—
Local Enable
(1)
TIE, TCIE, RIE, ILIE
Table 4-2
COP rate selected
CME, FCME
PBOVI
IRQEN
ASCIE
Bit(s)
PAOVI
None
None
None
None
MCZI
RTIE
SPIE
C0I
C1I
C2I
C3I
C4I
C5I
PAI
C6I
C7I
TOI
—
—
—
—
IE
M68HC12B Family — Rev. 8.0
lists the interrupt sources
to Highest I Bit
HPRIO Value
to Elevate
$C2–$C8
$80–$C0
MOTOROLA
$EC
$DE
$DC
$DA
$CA
$CC
$CE
$EE
$EA
$E8
$E6
$E4
$E2
$E0
$D8
$D6
$D4
$D2
$D0
$F2
$F0
—
—
—
—
—
—