MC68HC908GP20 Datasheet, PDF (84/406 Pages) Freescale Semiconductor, Inc – M68HC08 Microcontrollers

4.4.3 Interrupt Status Registers
The flags in the interrupt status registers identify maskable interrupt
sources. Table 4-2 summarizes the interrupt sources and the interrupt
status register flags that they set. The interrupt status registers can be
useful for debugging.
Table 4-2. Interrupt Source Flags
Interrupt Source
Reset
SWI instruction
IRQ pin
CGM (PLL)
TIM1 channel 0
TIM1 channel 1
TIM1 overflow
TIM2 channel 0
TIM2 channel 1
TIM2 overflow
SPI receive
SPI transmit
SCI error
SCI receive
SCI transmit
Keyboard
ADC conversion complete
Timebase
Interrupt Status
Register Flag
—
—
IF1
IF2
IF3
IF4
IF5
IF6
IF7
IF8
IF9
IF10
IF11
IF12
IF13
IF14
IF15
IF16
Advance Information
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MC68HC908GP20 — Rev 2.1
Freescale Semiconductor