Technical information

7-34
AIC-6915 Ethernet LAN Controller Programmer’s Manual
ShadowInterruptStatus Register
Type: R
Internal Registers Subgroup: Ethernet Functional Registers
Byte Address: 84h - 87h
This register is used for reading the Interrupt Status register in read-only mode. In
this mode the interrupt status bits that are defined as ‘cleared by read’ are not
affected.
Table 7-43. ShadowInterruptStatus Register
Bit(s) rw
Reset
Value Description/Function
31:28 r 0 GPIOInt
27 r 0 StatisticWrapInt
26 r 0 Reserved
25 r 0 AbNormalInterrupt
24 r 0 GeneralTimerInt
23 r 0 SoftInt
22 r 0 RxCompletionQueue1Int
21 r 0 TxCompletionQueueInt
20 r 0 PCIInt
19 r 0 DmaErrInt
18 r 0 TxDataLowInt
17 r 0 RxCompletionQueue2Int
16 r 0 RxQ1LowBuffersInt
15 r 0 NormalInterrupt
14 r 0 TxFrameCompleteInt
13 r 0 TxDmaDoneInt
12 r 0 TxQueueDoneInt
11 r 0 EarlyRxQ2Int
10 r 0 EarlyRcQ1Int
9 r 0 RxQ2DoneInt
8 r 0 RxQ1DoneInt
7 r 0 RxGfpNoResponseInt
6 r 0 RxQ2LowBuffersInt
5 r 0 NoTxChecksumInt
4 r 0 TxLowPrMismatchInt
3 r 0 TxHiPrMismatchInt
2 r 0 GfpRxInt
1 r 0 GfpTxInt
0 r 0 PCIPadInt