參數(shù)資料
型號(hào)： AM79C973
廠商： Advanced Micro Devices, Inc.
英文描述： PCnet⑩-FAST III Single-Chip 10/100 Mbps PCI Ethernet Controller with Integrated PHY
中文描述： PCnet⑩快速三單芯片10/100 Mbps的PCI以太網(wǎng)控制器集成PHY
文件頁(yè)數(shù)： 155/304頁(yè)
文件大?。?/td> 2092K
代理商： AM79C973
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Am79C973/Am79C975
155
P R E L I M I N A R Y
10 PME_EN_OVR PME_EN Overwrite. When this
bit is set and the MPMAT or
LCDET bit is set, the PME pin will
always be asserted regardless of
the state of PME_EN bit.
Read/Write accessible only when
either the STOP bit or the SPND
bit is set. Cleared by H_RESET
and is not affected by S_RESET
or setting the STOP bit.
9 LCDET
Link Change Detected. This bit is
set when the MII auto-polling log-
ic detects a change in link status
and the LCMODE bit is set.
LCDET is cleared when power is
initially applied (POR).
Read/Write accessible always.
8
LCMODE
Link Change Wake-up Mode.
When this bit is set to 1, the
LCDET bit gets set when the MII
auto polling logic detects a Link
Change.
Read/Write accessible only when
either the STOP bit or the SPND
bit is set. Cleared by H_RESET
and is not affected by S_RESET
or setting the STOP bit.
7
PMAT
Pattern Matched. This bit is set
when the PMMODE bit is set and
an OnNow pattern match occurs.
PMAT is cleared when power is
initially applied (POR).
Read accessible always.
6 EMPPLBA
Magic Packet Physical Logical
Broadcast Accept. If both EMP-
PLBA and MPPLBA (CSR5, bit 5)
are at their default value of 0, the
Am79C973/Am79C975 controller
will only detect a Magic Packet
frame if the destination address
of the packet matches the con-
tent of the physical address regis-
ter (PADR). If either EMPPLBA or
MPPLBA is set to 1, the destina-
tion address of the Magic Packet
frame can be unicast, multicast,
or broadcast. Note that the set-
ting of EMPPLBA and MPPLBA
only affects the address detection
of the Magic Packet frame. The
Magic Packet frame
’
s data se-
quence must be made up of 16
consecutive physical addresses
(PADR[47:0]) regardless of what
kind of destination address it has.
Read/Write accessible always.
EMPPLBA is set to 0 by
H_RESET or S_RESET and is
not affected by setting the STOP
bit.
5
MPMAT
Magic Packet Match. This bit is
set when PCnet-FAST+ detects a
Magic Packet while it is in the
Magic Packet mode.
MPMAT is cleared when power is
initially applied (POR).
Read/Write accessible always.
4
MPPEN
Magic Packet Pin Enable. When
this bit is set, the device enters
the Magic Packet mode when the
PG input goes LOW or MPEN bit
(CSR5, bit 2) gets set to 1. This
bit is OR
’
ed with MPEN bit
(CSR5, bit 2).
Read/Write is accessible only
when either the STOP bit or the
SPND bit is set. Cleared by
H_RESET and is not affected by
S_RESET or setting the STOP
bit.
3
RWU_DRIVER
RWU Driver Type. If this bit is set
to 1, RWU is a totem pole driver;
otherwise RWU is an open drain
output.
Read/Write is accessible only
when either the STOP bit or the
SPND bit is set. Cleared by
H_RESET and is not affected by
S_RESET or setting the STOP
bit.
2
RWU_GATE
RWU Gate Control. If this bit is
set, RWU is forced to the high Im-
pedance State when PG is LOW,
regardless of the state of the MP-
MAT and LCDET bits.
Read/Write accessible only when
either the STOP bit or the SPND
相關(guān)PDF資料
PDF描述
AM79C973KCW PCnet⑩-FAST III Single-Chip 10/100 Mbps PCI Ethernet Controller with Integrated PHY
AM79C975KCW PCnet⑩-FAST III Single-Chip 10/100 Mbps PCI Ethernet Controller with Integrated PHY
AM79C973VCW PCnet⑩-FAST III Single-Chip 10/100 Mbps PCI Ethernet Controller with Integrated PHY
AM79C975VCW PCnet⑩-FAST III Single-Chip 10/100 Mbps PCI Ethernet Controller with Integrated PHY
AM79C976 PCnet-PRO⑩ 10/100 Mbps PCI Ethernet Controller
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AM79C973/75 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Board Layout Considerations for the Am79C973/75 Network Interface? - (PDF)
AM79C973/AM79C975 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Am79C973/Am79C975 - PCnet-FAST III Single-Chip 10/100 Mbps PCI Ethernet Controller with Integrated PHY
AM79C973AVC\\W 制造商:Advanced Micro Devices 功能描述:
AM79C973AVC\W 制造商:Advanced Micro Devices 功能描述:
AM79C973BKC 制造商:Advanced Micro Devices 功能描述:79C973BKC
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