Emerson 6806800M67H, Installation And Use Manual

Page: 98 / 140

Functional Description
ATCA-F140 Installation and Use (6806800M67H )
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The interrupt sources are collected by the onboard FPGA. This FPGA includes an interrupt
source register, which reflects the actual interrupt status. The interrupt inputs of the FPGA are
mapped to the IRQ[11:0] signals, which are connected to the P2020 QorIQ Integrated
Processor.
Table 4-9 Interrupt Mapping
Interrupt Source Port Signal Source Type Voltage
P2020
IRQ
BCM56334 INTA P2020 PCIE 1 INTA Internal 0
BITS Framer 1
DS26503 INT_L BITS1_INT_L Direct Active Low OD 3.3 1
BITS Framer 2
DS26503 INT_L BITS2_INT_L Direct Active Low OD 3.3 2
DIMMs EVENT_L DIMM_EVENT_L Direct Active Low OD 3.3 3
SIL3531A SATA INTA P2020 PCIE 2 INTA Internal 4
RTM FPGA INT_L RTM_INT_L Direct Active Low LVTTL 3.3 5
TopSync
ACS9510 INTREQ_L CLOCK_INT_L FPGA
(ORed) Active Low LVTTL 3.3 6
ACS8595 INT_L
BIX Octal PHY 1
BCM54680-1 IRQ_L 1-8 COPPER_PHY_INT
_L FPGA
(ORed) Active Low LVTTL 3.3 7
BIX Octal PHY 2 IRQ_L 1-8
BCM54680-2
BIX PHY 3
BCM54616S-1 IRQ_L 1
TopSync PHY
BCM54616S-2 IRQ_L 1
Front Panel PHY IRQ_L 1
BCM54616S-3
P2020 – UC2 PHY
BCM54616S-4 IRQ_L 1
BCM56846 INTA P2020 PCIE 3 INTA Internal 8
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