參數(shù)資料
型號: GCIXF1002EDT
英文描述: Controller Miscellaneous - Datasheet Reference
中文描述: 控制器雜項-數(shù)據(jù)表參考
文件頁數(shù): 27/128頁
文件大?。?/td> 1262K
代理商: GCIXF1002EDT
Intel
IXF1002 Dual Port Gigabit Ethernet Controller
Datasheet
27
3.2.2.6
Transmit Counter Overflow Status Register
Mnemonic: TX_OV_STT
Address: 0AH
0DH
The transmit counter overflow status register reports overflow events of each transmit counter.
When a counter reaches its highest possible value, it will continue to count from zero, and the
corresponding status bit will be set. Reading this register will reset all the bits, and will clear the
interrupt if it was activated.
Bit Name
Bit #
Bit Description
Flow-control packet.
Indicates that a flow-control packet was received.
RESERVED
GMII error.
Indicates either that a symbol error was detected in the GPCS mode or that an GMII error
signal was asserted in the GMII mode during packet reception.
Too long packet.
Indicates that a packet longer than the maximum allowable packet size specified in the
PKT_MAX_SIZE register, has been received.
Short packet.
Indicates that a packet shorter than 64 bytes has been received.
RESERVED
CRC error.
Indicates that a packet was received with a CRC error.
FIFO overflow.
Indicates that there was not enough space available in the receive FIFO during packet
reception.
Packet count.
Indicates the number of packets currently stored in the transmit FIFO. The packet count is
incremented while loading the first byte of a packet and decremented following
transmission of a packet. The maximum number of packets that can be in the transmit
FIFO is two.
RESERVED
FIFO underflow.
Indicates that data was not available in the transmit FIFO during packet transmission.
FLC
15
14
MER
13
RTL
12
SRT
11
10
CRC
9
OVF
8
PKC
7:6
5:1
UNF
0
Access Rules
Register
access
Value
after
reset
R
0000H
A4971-01
15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
30
31
29 28 27 26 25 24 23 22 21 20 19 18 17 16
0
T
X
_
U
N
I
T
X
_
M
L
T
T
X
_
B
R
D
T
X
_
6
4
T
X
_
6
5
T
X
_
1
2
8
T
X
_
2
5
6
T
X
_
5
1
2
T
X
_
1
0
2
4
T
X
_
1
5
1
9
T
X
_
P
S
T
X
_
E
R
T
X
_
O
K
T
X
_
B
D
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