參數(shù)資料
型號： AX88140AP
廠商： Electronic Theatre Controls, Inc.
英文描述： Fast Ethernet MAC Controller
中文描述： 快速以太網(wǎng)MAC控制器
文件頁數(shù)： 22/46頁
文件大?。?/td> 467K
代理商： AX88140AP
AX88140A
PRELIMINARY
ASIX ELECTRONICS CORPORATION
22
4.2.3 Receive Poll Demand (REG2)
FIELD
R/W/C
31:0
W
RPD - Receive Poll Demand
When written with any value, the AX88140A checks for receive descriptors to be required. If no
descriptor is available, the receive process returns to the suspended states and REG5<7> is not
asserted. If the descriptor is available the receive process resumes.
DESCRIPTION
Tab - 17 REG2 Receive Poll Demand Register Description
4.2.4 Receive List Base Address (REG3)
1.
The register is used to point the AX88140A to the start of receive descriptors list.
2.
The descriptor list resides in physical memory space and must be longword aligned. The
AX88140A behaves UNPREDICTABLY when the list are not longword aligned.
3.
Writing to REG3 is permitted only when receive process is in the stopped state. That is, the
REG3 must be written before the receive START command is given .
REG3 Receive List Base Address Register Description
FIELD
R/W/C
31:2
R/W
Start of receive list
1:0
R/W
Must be 00 for longword alignment
DESCRIPTION
Tab - 18 REG3 Receive List Base Address Register Description
4.2.5 Transmit List Base Address (REG4)
1.
The register is used to point the AX88140A to the start of transmit descriptors list.
2.
The descriptor list resides in physical memory space and must be long-word aligned. The
AX88140A behaves UNPREDICTABLY when the list are not long-word aligned.
3.
Writing to REG4 is permitted only when transmit process is in the stopped state. That is, the
REG4 must be written before the transmit START command is given .
FIELD
31:2
1:0
R/W/C
R/W
R/W
DESCRIPTION
Start of transmit list
Must be 00 for long-word alignment
Tab - 19 REG4 Transmit List Base Address Register Description
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相關代理商/技術參數(shù)
參數(shù)描述
AX88140AQ 制造商:ASIX 制造商全稱:ASIX 功能描述:Fast Ethernet MAC Controller
AX88141 制造商:ASIX 制造商全稱:ASIX 功能描述:100BASE-TX/FX PCI BUS FAST ETHERNET MAC CONTROLLER WITH POWER MANAGEMENT
AX88170L 制造商:ASIX 制造商全稱:ASIX 功能描述:USB to Fast Ethernet/HomePNA Controller
AX88172 制造商:ASI 制造商全稱:ASI 功能描述:USB2.0 TO ETHERNET Device setup guide
AX88172A 制造商:ASIX 制造商全稱:ASIX 功能描述:USB 2.0 to 10/100M Fast Ethernet Controller
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