參數(shù)資料
型號(hào)： LAN8700
廠(chǎng)商： SMSC Corporation
英文描述： 【15kV ESD Protected MII/RMII Fast-Ethernet PHY with HP Auto-MDIX and SMSC flexPWR TM in a Small Footprint
中文描述： 【15kV的ESD保護(hù)信息產(chǎn)業(yè)部/ RMII快速的HP Auto - MDIX功能和SMSC flexPWR商標(biāo)以太網(wǎng)PHY在小尺寸
文件頁(yè)數(shù)： 45/73頁(yè)
文件大?。?/td> 457K
代理商： LAN8700
±15kV ESD Protected MII/RMII Fast-Ethernet PHY with HP Auto-MDIX and SMSC flexPWR
TM
in a Small Footprint
Datasheet
SMSC LAN8700/LAN8700I
45
Revision 1.0 (02-09-07)
DATASHEET
17.8:7
Reserved
Write as 0, ignore on read.
RW
00
17.6
ALTINT
Alternat Interrupt Mode.
0 = Primary interrupt system enabled (Default).
1 = Alternate interrupt system enabled.
See
Section 5.3, "Interrupt Management," on page 47
.
RW
0
17.5:4
Reserved
Write as 0, ignore on read.
RW
00
17.3
PHYADBP
1 = PHY disregards PHY address in SMI access
write.
RW
0
17.2
Force
Good Link Status
0 = normal operation;
1 = force 100TX- link active;
Note:
This bit should be set only during lab testing
RW
0
17.1
ENERGYON
ENERGYON – indicates whether energy is detected
on the line (see
Section 5.4.5.2, "Energy Detect
Power-Down," on page 50
); it goes to “0” if no valid
energy is detected within 256ms. Reset to “1” by
hardware reset, unaffected by SW reset.
RO
X
17.0
Reserved
Write as 0. Ignore on read.
RW
0
Table 5.39 Register 18 - Special Modes
ADDRESS
NAME
DESCRIPTION
MODE
DEFAULT
18.15
Reserved
Write as 0, ignore on read.
RW
0
18.14
MIIMODE
MII Mode
: set the mode of the MII:
0 – MII interface.
1 – RMII interface
RW,
NASR
X
18.13:8
Reserved
Write as 0, ignore on read.
RW,
NASR
000000
18.7:5
MODE
PHY Mode of operation. Refer to
Section 5.4.9.2,
"Mode Bus – MODE[2:0]," on page 52
for more
details.
RW,
NASR
XXX
EVB8700
default
111
18.4:0
PHYAD
PHY Address.
The PHY Address is used for the SMI address and for
the initialization of the Cipher (Scrambler) key. Refer
to
Section 5.4.9.1, "Physical Address Bus -
PHYAD[4:0]," on page 52
for more details.
RW,
NASR
PHYAD
EVB8700
default
11111
Table 5.40 Register 27 - Special Control/Status Indications
ADDRESS
NAME
DESCRIPTION
MODE
DEFAULT
27.15
AMDIXCTRL
HP Auto-MDIX control
0 - Auto-MDIX enable
1 - Auto-MDIX disabled (use 27.13 to control channel)
RW
0
27.14
Reserved
Reserved
RW
0
Table 5.38 Register 17 - Mode Control/Status (continued)
ADDRESS
NAME
DESCRIPTION
MODE
DEFAULT
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