82559ER データシートの表示（PDF） - Intel
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82559ER Datasheet PDF : 94 Pages
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4.
4.1
4.1.1
Networking Silicon — GD82559ER
GD82559ER Media Access Control Functional
Description
82559ER Initialization
The 82559ER has four sources for initialization. They are listed according to their precedence:
1. ALTRST# Signal
2. PCI RST# Signal
3. Software Reset (Software Command)
4. Selective Reset (Software Command)
Initialization Effects on 82559ER Units
The following table shows the effect of each of the different initialization sources on major
portions of the 82559ER. The initialization sources are listed in order of precedence. For example,
any resource that is initialized by the Software Reset is also initialized by the D3 to D0 transition
and ALTRST# and PCI RST# but not necessarily by the selective reset.
EEPROM read and
initialization
Loadable microcode
decoded/reset
MAC configuration reset and
multicast hash
Memory pointers and
mircomachine state reset
PCI Configuration register
reset
PHY configuration reset
Power management event
reset
Statistic counters reset
ALTRST#
3
3
3
3
3
3
3
3
PCI RST#
3
3
3
3
3
3
Clear only
if no
auxiliary
power
present
3
ISOLATE D3 to D0 Software
#
Transition Reset
3
--
--
--
3
3
3
3
3
--
3
3
3
3
--
--
--
--
--
--
--
--
3
3
Selective
Reset
--
--
--
3
--
--
--
--
Datasheet
13
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