Interrupts; Table 3-25 Interrupt Mapping; Table 3-26 Interrupt Combination - GE IMP2B Hardware Reference Manual

3.19 Interrupts

The IMP2B uses the interrupt controller provided in the MV64560. The interrupt
sources are fed into the multi-purpose pins and routed internally to the CPU
interrupt output.

Table 3-25 Interrupt Mapping

Interrupt Source
cPCI INTA
cPCI INTB
cPCI INTC
cPCI INTD
PMC INT(A:B:C:D)
EPLD INT#
GPIO INT#
The EPLD combines the following interrupts to produce EPLD INT#:

Table 3-26 Interrupt Combination

Interrupt
RTC_INT#
TEMP_INT#
TEMP_CRT#
PHY0_INT#
PHY2_INT#
OVR_AA#
OVR_AB#
The
masked, and also shows the interrupts that are active.
38 IMP2B 3U cPCI Single Board Computer
MV64560 MPP Pin
MPP(8)
MPP(9)
MPP(10)
MPP(11)
MPP(16)
MPP(19)
MPP(21)
Source
Real Time Clock
Ambient sensor or CPU junction temperature sensor
Ambient sensor or CPU junction temperature sensor
Ethernet PHY0
Ethernet PHY2
USB 2.0 Port 0 power controller
USB 2.0 Port 1 power controller
EPLD Interrupt Register
Notes
PMC_INTA# (J11-4), PMC_INTB# (J11-5), PMC_INTC#, (J11-6) and
PMC_INTD# (J11-9) are wired together
Derives from the EPLD from the interrupts sources below
Derives from the GPIO block within the EPLD
Cause
Temperature
Critical temperature
Overload
Overload
allows each of the above interrupts to be individually
Publication No. IMP2B-0HH/5