REGISTERS
Copyright 2017
6-3
FibreXtreme Hardware Reference
6.4.2 Interrupt CSR (INT_CSR)
– Offset 0x00
Field
Description
Access
Reset
Value
0
Transaction Channel 0 Interrupt Active
– A ‘1’ indicates
active, a ‘0’ indicates not active. Write ‘1’ to clear.
R/WOC
0
1
Transaction Channel 1 Interrupt Active
– A ‘1’ indicates
active, a ‘0’ indicates not active. Write ‘1’ to clear.
R/WOC
0
2
DMA Chain 0 Interrupt Active
– A ‘1’ indicates active, a
‘0’ indicates not active. Write ‘1’ to clear.
R/WOC
0
3
DMA Chain 1 Interrupt Active
– A ‘1’ indicates active, a
‘0’ indicates not active. Write ‘1’ to clear.
R/WOC
0
4
Link Error Interrupt Active
– A ‘1’ indicates active, a ‘0’
indicates not active. Write ‘1’ to clear.
R/WOC
0
5
FPDP Interrupt Active
– A ‘1’ indicates active, a ‘0’
indicates not active. Write ‘1’ to clear.
R/WOC
0
6
Threshold Interrupt
– A ‘1’ indicates active, a ‘0’
indicates not active. Write ‘1’ to clear.
R/WOC
0
15 to 7
Reserved.
None
0
16
Enable Transaction Channel 0 Interrupt
– Set to ‘1’ to
enable interrupts, set to ‘0’ to disable.
R/W
0
17
Enable Transaction Channel 1 Interrupt
– Set to ‘1’ to
enable interrupts, set to ‘0’ to disable.
R/W
0
18
Enable DMA Chain 0 Interrupt
– Set to ‘1’ to enable
interrupts, set to ‘0’ to disable.
R/W
0
19
Enable DMA Chain 1 Interrupt
– Set to ‘1’ to enable
interrupts, s
et to ‘0’ to disable.
R/W
0
20
Enable Link Error Interrupt
– Set to ‘1’ to enable
interrupts, set to ‘0’ to disable.
R/W
0
21
Enable FPDP Interrupt
– Set to ‘1’ to enable interrupts,
set to ‘0’ to disable.
R/W
0
22
Enable Threshold Interrupt
– Set to ‘1’ to enable
interrupts, set to ‘0’ to disable.
R/W
0
31 to 23
Reserved.
None
0
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