參數(shù)資料
型號： AM79C970A
廠商： Advanced Micro Devices, Inc.
英文描述： PCnet-PCI II Single-Chip Full-Duplex Ethernet Controller for PCI Local Bus Product
中文描述： PCnet - 2的PCI單芯片全雙工以太網(wǎng)控制器，適用于PCI總線產(chǎn)品
文件頁數(shù)： 151/219頁
文件大?。?/td> 1065K
代理商： AM79C970A
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P R E L I M I N A R Y
AMD
151
Am79C970A
the LEDOUT signal whenever
the Link Test Function detects a
Link Pass state and the FDEN
(BCR9, bit 0) bit is set. When the
AUI port is active, a value of ONE
is passed to the LEDOUT signal
whenever full-duplex operation
on the AUI port is enabled (both
FDEN and AUIFD bits in BCR9
are set to ONE). When the GPSI
port is active, a value of ONE is
passed to the LEDOUT signal
whenever full-duplex operation
on the GPSI port is enabled
(FDEN bit in BCR9 is set
to ONE).
Read/Write accessible always.
FDLSE is cleared by H_RESET
and is not affected by S_RESET
or by setting the STOP bit.
7
PSE
Pulse Stretcher Enable. When
this bit is set to ONE, the LED illu-
mination time is extended so that
brief occurrences of the enabled
function will be seen on this LED
output. A value of ZERO disables
the pulse stretcher.
Read/Write accessible always.
PSE is set to ONE by H_RESET
and is not affected by S_RESET
or by setting the STOP bit.
6
LNKSTE
Link Status Enable. When this bit
is set to ONE, a value of ONE will
be passed to the LEDOUT bit in
this register when the T-MAU op-
erating in half-duplex mode is in
Link Pass state. When the
T-MAU operating in half-duplex
mode is in Link Fail state, a value
of ZERO is passed to the
LEDOUT bit.
The function of this bit is masked
if the 10BASE-T port is operating
in full-duplex mode. This allows a
system to have separate LEDs
for half-duplex Link Status and
for full-duplex Link Status.
Read/Write accessible always.
LNKSTE is cleared by H_RESET
and is not affected by S_RESET
or by setting the STOP bit.
5
RCVME
Receive Match Status Enable.
When this bit is set to ONE, a
value of ONE is passed to the
LEDOUT bit in this register when
the there is receive activity on the
network that has passed the ad-
dress match function for this
node. All address matching
modes are included: physical,
logical
filtering,
and promiscuous.
broadcast
Read/Write accessible always.
RCVME is cleared by H_RESET
and is not affected by S_RESET
or by setting the STOP bit.
4
XMTE
Transmit Status Enable. When
this bit is set to ONE, a value of
ONE is passed to the LEDOUT
bit in this register when there is
transmit activity on the network.
Read/Write accessible always.
XMTE is set to ONE by
H_RESET and is not affected by
S_RESET or by setting the
STOP bit.
3
RXPOLE
Receive Polarity Status Enable.
When this bit is set to ONE, a
value of ONE is passed to the
LEDOUT bit in this register when
the polarity of the RXD
±
pair is
not reversed.
Receive polarity indication is
valid only if the T-MAU is in link
pass state.
Read/Write accessible always.
RXPOLE
is
H_RESET and is not affected by
S_RESET or by setting the
STOP bit.
cleared
by
2
RCVE
Receive Status Enable. When
this bit is set to ONE, a value of
ONE is passed to the LEDOUT
bit in this register when there is
receive activity on the network.
Read/Write accessible always.
RCVE is cleared by H_RESET
and is not affected by S_RESET
or by setting the STOP bit.
1
JABE
Jabber status Enable. When this
bit is set to ONE, a value of ONE
is passed to the LEDOUT bit in
this register when the PCnet-PCI
II controller is jabbering on
the network.
Read/Write accessible always.
JABE is cleared by H_RESET
and is not affected by S_RESET
or by setting the STOP bit.
0
COLE
Collision status Enable. When
this bit is set to ONE, a value of
ONE is passed to the LEDOUT
bit in this register when there is
collision activity on the network.
The activity on the collision
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AM79C970AKC 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:PCnet-PCI II Single-Chip Full-Duplex Ethernet Controller for PCI Local Bus Product
AM79C970AKC\\W 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Advanced Micro Devices 功能描述:
AM79C970AKC\W 制造商:Rochester Electronics LLC 功能描述:- Bulk
AM79C970AKCW 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:PCnet-PCI II Single-Chip Full-Duplex Ethernet Controller for PCI Local Bus Product
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