參數(shù)資料
型號： AM79C972
廠商： Advanced Micro Devices, Inc.
英文描述： PCnet⑩-FAST+ Enhanced 10/100 Mbps PCI Ethernet Controller with OnNow Support
中文描述： PCnet⑩與OnNow增強(qiáng)10/100 Mbps的快速以太網(wǎng)控制器支持的PCI
文件頁數(shù)： 124/130頁
文件大?。?/td> 1580K
代理商： AM79C972
124
Am79C972
Read/Write accessible only when
either the STOP or the SPND bit
is set. These bits are unaffected
by H_RESET, S_RESET, or
STOP.
CSR27: Next Receive Descriptor Address Upper
Bit
Name
Description
31-16
RES
Reserved locations. Written as
zeros and read as undefined.
15-0
NRDAU
Contains the upper 16 bits of the
next receive descriptor address
pointer.
Read/Write accessible only when
either the STOP or the SPND bit
is set. These bits are unaffected
by H_RESET, S_RESET, or
STOP.
CSR28: Current Receive Descriptor Address Lower
Bit
Name
Description
31-16
RES
Reserved locations. Written as
zeros and read as undefined.
15-0
CRDAL
Contains the lower 16 bits of the
current receive descriptor ad-
dress pointer.
Read/Write accessible only when
either the STOP or the SPND bit
is set. These bits are unaffected
by H_RESET, S_RESET, or
STOP.
CSR29: Current Receive Descriptor Address Upper
Bit
Name
Description
31-16
RES
Reserved locations. Written as
zeros and read as undefined.
15-0
CRDAU
Contains the upper 16 bits of the
current receive descriptor ad-
dress pointer.
Read/Write accessible only when
either the STOP or the SPND bit
is set. These bits are unaffected
by H_RESET, S_RESET, or
STOP.
CSR30: Base Address of Transmit Ring Lower
Bit
Name
Description
31-16
RES
Reserved locations. Written as
zeros and read as undefined.
15-0
BADXL
Contains the lower 16 bits of the
base address of the Transmit
Ring.
Read/Write accessible only when
either the STOP or the SPND bit
is set. These bits are unaffected
by H_RESET, S_RESET, or
STOP.
CSR31: Base Address of Transmit Ring Upper
Bit
Name
Description
31-16
RES
Reserved locations. Written as
zeros and read as undefined.
15-0
BADXU
Contains the upper 16 bits of the
base address of the Transmit
Ring.
Read/Write accessible only when
either the STOP or the SPND bit
is set. These bits are unaffected
by H_RESET, S_RESET, or
STOP.
CSR32: Next Transmit Descriptor Address Lower
Bit
Name
Description
31-16
RES
Reserved locations. Written as
zeros and read as undefined.
15-0
NXDAL
Contains the lower 16 bits of the
next transmit descriptor address
pointer.
Read/Write accessible only when
either the STOP or the SPND bit
is set. These bits are unaffected
by H_RESET, S_RESET, or
STOP.
CSR33: Next Transmit Descriptor Address Upper
Bit
Name
Description
31-16
RES
Reserved locations. Written as
zeros and read as undefined.
15-0
NXDAU
Contains the upper 16 bits of the
next transmit descriptor address
pointer.
相關(guān)PDF資料
PDF描述
AM79C972BVIW PCnet⑩-FAST+ Enhanced 10/100 Mbps PCI Ethernet Controller with OnNow Support
AM79C974 PCnetTM-SCSI Combination Ethernet and SCSI Controller for PCI Systems
AM79C974KCW PCnetTM-SCSI Combination Ethernet and SCSI Controller for PCI Systems
AM79C975 PCnet⑩-FAST III Single-Chip 10/100 Mbps PCI Ethernet Controller with Integrated PHY
AM79C973 PCnet⑩-FAST III Single-Chip 10/100 Mbps PCI Ethernet Controller with Integrated PHY
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AM79C972BKC\\W 制造商:Advanced Micro Devices 功能描述:
AM79C972BKC\W 制造商:Advanced Micro Devices 功能描述:
AM79C972BKCW 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:PCnet⑩-FAST+ Enhanced 10/100 Mbps PCI Ethernet Controller with OnNow Support
AM79C972BKD/W 制造商:Advanced Micro Devices 功能描述:
AM79C972BKD\\W 制造商:Advanced Micro Devices 功能描述:
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