AL103 Revision 1.0
Table 32: Port Operation Status Registers (Register 3A to 41) (Continued)
12
FlowCtrl
Flow Control.
If port mode ([1:0]) is 2’b01 or 2’b11:
0: Pause disable.
1: Pause enable.
If port mode ([1:0]) is 2’b00 or 2’b10:
0: Backpressure based on CRS.
1: Backpressure based on collision.
11
10
9
Stormed
InBFull
Port Broadcast Storm Status.
0: Normal
1: Stormed
Port Input Buffer Full Status.
0: Normal
1: Input buffer full experienced.
TblUNAVL
Jabbered
LateCOL
TxPaused
CRSLoss
Table Entry Unavailability for MAC Learning.
0: Normal.
1: Unavailability experienced.
8
Port Jabber Status.
0: Normal
1: Jabber experienced.
7
Port Late Collision Status.
0: Normal
1: Late collision experienced.
6
Port Transmit Pause Status.
0: No transmit pause experienced.
1: Transmit pause experienced.
5
Port Carrier Sense Loss During Transmission Status.
0: No carrier sense loss experienced.
1: Carrier sense loss experienced.
4
3
FalseCRS
Underflow
False Carrier Status.
Transmit Queue Underflow Status.
0: Normal
1: Underflow experienced.
2
TimeOut
Frame Time Out.
0: Normal
1: Frame time out experienced.
1~0
PortMode
Port Operating Mode.
00: 10 Mb half-duplex.
01: 10 Mb full-duplex.
10: 100 Mb half-duplex.
11: 100 Mb full-duplex.
9/00
Reference Only / Allayer Communications
48
ABC [ ABC Taiwan Electronics Corp ]
