Datasheet

Resets and Interrupts
Interrupts
MC68HC908GR8 — Rev 4.0 Technical Data
MOTOROLA Resets and Interrupts 75
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 Interrupt Status Register Flag
Reset —
SWI instruction —
IRQ
pin IF1
CGM (PLL) IF2
TIM1 channel 0 IF3
TIM1 channel 1 IF4
TIM1 overflow IF5
TIM2 channel 0 IF6
Reserved IF7
TIM2 overflow IF8
SPI receive IF9
SPI transmit IF10
SCI error IF11
SCI receive IF12
SCI transmit IF13
Keyboard IF14
ADC conversion complete IF15
Timebase IF16
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