MC68HC912B32MFU8 MOTOROLA [Motorola, Inc], MC68HC912B32MFU8 Datasheet - Page 53

• Manufacturer Part Number: MC68HC912B32MFU8
• Description: 16-Bit Microcontroller
• Manufacturer: MOTOROLA [Motorola, Inc]

9.3 Interrupt Control and Priority Registers
INTCR — Interrupt Control Register
IRQE — IRQ Select Edge Sensitive Only
IRQEN — External IRQ Enable
DLY — Enable Oscillator Start-Up Delay on Exit from STOP
MC68HC912B32
MC68HC912B32TS/D
RESET:
IRQE can be read anytime and written once in normal modes. In special modes, IRQE can be read any-
time and written anytime, except the first write is ignored.
The IRQ pin has an internal pull-up.
IRQEN can be read and written anytime in all modes.
The delay time of about 4096 cycles is based on the E clock rate.
DLY can be read anytime and written once in normal modes. In special modes, DLY can be read and
written anytime.
Vector Address
$FFDC, $FFDD
$FFDA, $FFDB
$FFDE, $FFDF
$FFD8, $FFD9
$FFD6, $FFD7
$FFD4, $FFD5
$FFD2, $FFD3
$FFD0, $FFD1
$FFE8, $FFE9
$FFE6, $FFE7
$FFE4, $FFE5
$FFE2, $FFE3
$FFE0, $FFE1
$FF80–$FFCF
0 = IRQ configured for low-level recognition.
1 = IRQ configured to respond only to falling edges (on pin PE1/IRQ).
0 = External IRQ pin disconnected from interrupt logic
1 = External IRQ pin connected to interrupt logic
0 = No stabilization delay imposed on exit from STOP mode. A stable external oscillator must be
1 = Stabilization delay is imposed before processing resumes after STOP.
supplied.
IRQE
Bit 7
0
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
IRQEN
6
1
Interrupt Source
DLY
5
1
Table 17 Interrupt Vector Map
4
0
0
Mask
CCR
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
3
0
0
(TIE, TCIE, RIE, ILIE)
ATDCTL2 (ASCIE)
PACTL (PAOVI)
SP0CR1 (SPIE)
Register (Bit)
2
0
0
Local Enable
TMSK1 (C3I)
TMSK1 (C4I)
TMSK1 (C5I)
TMSK1 (C6I)
TMSK1 (C7I)
TMSK2 (TOI)
PACTL (PAI)
BCR1 (IE)
SC0CR2
–
–
1
0
0
HPRIO Value to
Bit 0
0
0
$80–$CE
Elevate
$DE
$DC
$DA
MOTOROLA
$E8
$E6
$E4
$E2
$E0
$D8
$D6
$D4
$D2
$D0
$001E
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