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AM79C971VCW Fiches technique(PDF) 251 Page - Advanced Micro Devices

No de pièce AM79C971VCW
Description  PCnet??FAST Single-Chip Full-Duplex 10/100 Mbps Ethernet Controller for PCI Local Bus
PDF  265 Pages
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Fabricant  AMD [Advanced Micro Devices]
Site Internet  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM79C971VCW Fiches technique(HTML) 251 Page - Advanced Micro Devices

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Am79C971
E-5
we need to restart the
process.
3
LPNP
0
Link
Partner
Next
Page Able. Defaults
to ZERO after power-
up and after hardware
resets
(H_RESET).
This bit gets set if the
link partner can do
the
Next
Page
function.
2
NPA
0
Next
Page
Able.
Defaults
to
ZERO
after power-up and
after hardware resets
(H_RESET). This bit
indicates
that
the
internal/external PHY
attached
to
the
Am79C971 controller
can do Next Pages.
The
Am79C971
controller
will
not
support next pages
without
software
support.
1
PR
0
Page
Received.
Defaults
to
ZERO
after power-up and
after hardware resets
(H_RESET). This bit
indicates that a valid
page has been seen
by
the
Am79C971
controller’s PHY or
the
external
PHY
attached
to
the
Am79C971
controller.
0
LPNA
0
Link
Partner
Auto-
Negotiation
Able.
Defaults
to
ZERO
after power-up and
after hardware resets
(H_RESET). This bit
indicates whether or
not the link partner
can auto-negotiate.
Register 7: Auto Negotiation Next Page
Transmit Register
Bit
Name
Description
This resister is only used during next pages. This is the
word that will be sent by the Am79C971 controller in re-
sponse to a next page.
15
NP
0
Next Page. Defaults
to ZERO after power-
up and after hardware
resets (H_RESET).
14
ACK
0
Acknowledge.
Defaults
to
ZERO
after power-up and
after hardware resets
(H_RESET).
13
MP
0
Message
Page.
Defaults
to
ZERO
after power-up and
after hardware resets
(H_RESET).
12
ACK2
0
Acknowledge
2.
Defaults
to
ZERO
after power-up and
after hardware resets
(H_RESET).
11
TOG
0
Toggle. Defaults to
ZERO after power-up
and after hardware
resets (H_RESET)
10-0
MUCF
0000
Message/Unformu-
lated Code Field. De-
faults to all ZEROs
after power-up and
after hardware resets
(H_RESET).



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