Artesyn MVME2500 ECC Installation and Use (August 2014) - Manual (Page 123)

Programming Model
MVME2500-ECC Installation and Use (6806800N30F) 123
7.3 Interrupt Controller
The MVME2500-ECC uses the MPC8548E integrated programmable interrupt controller (PIC)
to manage locally generated interrupts. Currently defined external interrupting devices and
interrupt assignments, along with corresponding edge/levels and polarities, are shown in the
following table.
Table 7-2 MVME2500-ECC Interrupt List
Interrupt Line
Interrupt Usage
(Schematic)
Interface to CPU Description
IRQ0 None Reserved for VME interrupt
IRQ1 QUART_IRQ1 LBC RTB Quart Interrupt
IRQ2 QUART_IRQ2 LBC RTB Quart Interrupt
IRQ3 QUART_IRQ3 LBC RTB Quart Interrupt
IRQ4 Temperature
Interrupt I2C Two onboard Thermal Sensors:
one is for CPU temp and the
other is for board temp
IRQ5 Ethernet 1 Management I2C Ethernet interrupt is handled by
PHY/ Connected for flexibility
IRQ6 Ethernet 3 Management I2C Ethernet interrupt is handled by
PHY/ Connected for flexibility
IRQ7/ GPIO0 Ethernet 2 Management I2C Ethernet interrupt is handled by
PHY/ Connected for flexibility
IRQ8/ GPIO1 RTC (Real Time
Clock) 12C
IRQ9/ GPIO2 FPGA Interrupt LBC NMI and 3 Tick Timer Interrupts
IRQ10// GPIO3 FPGA Interrupt LBC Power Interruption
IRQ11// GPIO4 QUART_IRQ0 LBC RTB Quart Interrupt