s908ey16g2vfar Freescale Semiconductor, Inc, s908ey16g2vfar Datasheet - Page 172
s908ey16g2vfar
Manufacturer Part Number
s908ey16g2vfar
Description
M68hc08 Microcontrollers Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.S908EY16G2VFAR.pdf
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System Integration Module (SIM)
14.6 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.
14.6.1 Interrupt Status Register 1
IF6–IF1 — Interrupt Flags 6–1
Bit 1 and Bit 0 — Always read 0
172
These flags indicate the presence of interrupt requests from the sources shown in
1 = Interrupt request present
0 = No interrupt request present
Address:
Priority
Highest
Lowest
Reset:
Read:
Write:
$FE04
Bit 7
IF6
R
R
0
MC68HC908EY16A • MC68HC908EY8A Data Sheet, Rev. 1
Figure 14-11. Interrupt Status Register 1 (INT1)
ADC conversion complete
= Reserved
CGM clock monitor
Timebase module
Interrupt Source
IF5
TIM1 channel 0
TIM1 channel 1
TIM2 channel 0
TIM2 channel 1
SWI instruction
SCI transmitter
SPI transmitter
R
6
0
TIM1 overflow
TIM2 overflow
SCI receiver
SPI receiver
Keyboard
SCI Error
Table 14-3. Interrupt Sources
IRQ pin
Reset
IF4
R
5
0
IF3
R
4
0
IF2
R
3
0
Interrupt Status Register Flag
IF1
R
2
0
I10
I11
I12
I13
I14
I15
I16
—
—
I1
I2
I3
I4
I5
I6
I7
I8
I9
Table 14-3
R
1
0
0
Freescale Semiconductor
Table
Bit 0
R
0
0
summarizes the
14-3.
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