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參數(shù)資料
| 型號(hào)： | 21440 |
| 廠商： | Intel Corp. |
| 英文描述： | Multiport 10/100Mb/s Ethernet Controller(多端口10/100Mb/s 以太網(wǎng)控制器) |
| 中文描述： | 多端口10/100Mb/s以太網(wǎng)控制器（多端口支持10/100Mbps以太網(wǎng)控制器） |
| 文件頁(yè)數(shù)： | 43/92頁(yè) |
| 文件大?。?/td> | 1352K |
| 代理商： | 21440 |
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21440 Multiport 10/100Mb/s Ethernet Controller
3-23
Register Descriptions
Receive Byte Counters
The number of bytes received in good packets.
RX_OCT_OK_CNT
70H
–
74H
The number of bytes received in packets with errors.
RX_OCT_BAD_CNT
78H
–
7CH
Receive Statistic Counters
The number of frames received without SFD detection but with
carrier assertion. This counter must be reset after moving to the
SYM mode.
RX_RUNT_CNT
80H
–
83H
The number of receive packets not fully accepted due to receive
FIFO overflow.
RX_OVF_CNT
84H
–
87H
The number of packets, less than 64 bytes in length, received
without any error.
RX_SHORT_OK_CNT
88H
–
8BH
The number of packets less than 64 bytes in length, received with
CRC error.
RX_SHORT_CRC_CNT
8CH
–
8FH
The number of unicast packets with lengths between 64 bytes and
the maximum packet size, received without any errors.
RX_UNI_OK_CNT
90H
–
93H
The number of multicast packets with lengths between 64 bytes
and the maximum packet size, received without any errors.
RX_MLT_OK_CN
94H
–
97H
The number of broadcast packets with lengths between 64 bytes
and the maximum packet size, received without any errors.
RX_BRD_OK_CNT
98H
–
9BH
The number of packets with lengths between 64 bytes and the
maximum packet size, received with an integral number of bytes
and a CRC error.
RX_NORM_CRC_CNT
9CH
–
9FH
The number of packets with lengths between 64 bytes and the
maximum packet size, received with a nonintegral number of bytes
and a CRC error.
RX_NORM_ALI_CNT
A0H
–
A3H
The number of packets, larger than the maximum packet size,
received without any error.
RX_LONG_OK_CNT
A4H
–
A7H
The number of packets, larger than the maximum packet size,
received with a CRC error.
RX_LONG_CRC_CNT
A8H
–
ABH
The number of received packets, 64 bytes in length, including bad
packets.
RX_PKT_64_CNT
ACH
–
AFH
The number of received packets, 65 to 127 bytes in length,
including bad packets.
RX_PKT_65_CNT
B0H
–
B3H
The number of received packets, 128 to 255 bytes in length,
including bad packets.
RX_PKT_128_CNT
B4H
–
B7H
The number of received packets, 256 to 511 bytes in length,
including bad packets.
RX_PKT_256_CNT
B8H
–
BBH
The number of received packets, 512 to 1023 bytes in length,
including bad packets.
RX_PKT_512_CNT
BCH
–
BFH
The number of received packets, 1024 to 1518 bytes in length,
including bad packets.
RX_PKT_1024_CNT
C0H
–
C3H
The number of received packets, with lengths between 1519 bytes
and the maximum packet size (programmable value), including bad
packets.
RX_PKT_1519_CNT
C4H
–
C7H
The number of correct received flow-control packets.
RX_PAUSE_CNT
C8H
–
CBH
The number of false carrier events detected.
RX_FALS_CRS_CNT
CCH
–
CFH
The number of received packets during which PHY symbol errors
were detected.
RX_SYM_ERR_CNT
D0H
–
D3H
Table 3-2. Network Statistic Register Mapping (Sheet 2 of 2)
Register Description
Mnemonic
I/O Address
Offset
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