參數(shù)資料
型號(hào): L64381
廠商: LSI Corporation
英文描述: 4-Port Ethernet Controller(四端口以太網(wǎng)控制器)
中文描述: 4端口以太網(wǎng)控制器(四端口以太網(wǎng)控制器)
文件頁數(shù): 30/109頁
文件大?。?/td> 815K
代理商: L64381
2-14
Registers
LATECM
PORT x Late Collision Error Mask
A one on any of the bits in this field masks the
corresponding port’s late collision error. Each bit in this
field corresponds to one of the four ports. The least-sig-
nificant bit corresponds to Port 0; the most-significant bit
corresponds to Port 3.
[11:8]
RCFIFOM
PORT x Receive FIFO Overrun Error Mask
A one on any of the bits in this field masks the
corresponding port’s Receive FIFO overrun error. Each
bit in this field corresponds to one of the four ports. The
least-significant bit corresponds to Port 0; the most-
significant bit corresponds to Port 3.
[7:4]
TRFIFOM
PORT x Transmit FIFO Underrun Error Mask
A one on any of the bits in this field masks the
corresponding port’s Transmit FIFO underrun error. Each
bit in this field corresponds to one of the four ports. The
least-significant bit corresponds to Port 0; the most-
significant bit corresponds to Port 3.
[3:0]
2.5.2
Error Mask
Register 1
Figure 2.9 shows Error Mask Register 1. This register contains the mask
bits for the error fields in Error Register 1. Upon power-up or when
RESET is asserted, all bits in this register are cleared to zeros.
Figure 2.9
Error Mask Register 1
R
Reserved
These bits are reserved and read as zeros.
[15:12]
TSQEM
Transmit SQE Error Port x Mask
A one on any of the bits in this field masks the
corresponding port’s transmit SQE error. Each bit in this
field corresponds to one of the four ports. The least-
significant bit corresponds to Port 0; the most-significant
bit corresponds to Port 3.
[11:8]
15
12 11
8
7
4
3
0
R
TSQEM
EXCCOLM
LINKFLM
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