mc68hc908gp32 Freescale Semiconductor, Inc, mc68hc908gp32 Datasheet - Page 167

• Manufacturer Part Number: mc68hc908gp32
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

14.5.1.3 Interrupt Status Registers
The flags in the interrupt status registers identify maskable interrupt sources.
interrupt sources and the interrupt status register flags that they set. The interrupt status registers can be
useful for debugging.
Interrupt Status Register 1
IF6–IF1 — Interrupt Flags 1–6
Freescale Semiconductor
These flags indicate the presence of interrupt requests from the sources shown in
1 = Interrupt request present
0 = No interrupt request present
Address:
Highest
Priority
Lowest
Reset:
Read:
Write:
$FE04
Bit 7
IF6
R
R
0
Figure 14-12. Interrupt Status Register 1 (INT1)
= Reserved
ADC conversion complete
SPI transmitter empty
IF5
R
6
0
Timebase module
Interrupt Source
SCI receive error
SPI receiver full
TIM1 channel 0
TIM1 channel 1
TIM2 channel 0
TIM2 channel 1
MC68HC908GP32 Data Sheet, Rev. 10
SWI instruction
TIM1 overflow
TIM2 overflow
Table 14-3. Interrupt Sources
SCI transmit
SCI receive
Keyboard
IRQ pin
Reset
PLL
IF4
R
5
0
IF3
R
4
0
IF2
R
3
0
Interrupt Status
IF1
R
Register Flag
2
0
IF10
IF11
IF12
IF13
IF14
IF15
IF16
IF1
IF2
IF3
IF4
IF5
IF6
IF7
IF8
IF9
—
—
Table 14-3
R
1
0
0
Table
Bit 0
R
0
0
Exception Control
summarizes the
14-3.
167