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| 型號(hào)： | LAN9116 |
| 廠商： | SMSC Corporation |
| 英文描述： | Highly Efficient Single-Chip 10/100 Non-PCI Ethernet Controller |
| 中文描述： | 高效的單芯片10/100非PCI以太網(wǎng)控制器 |
| 文件頁(yè)數(shù)： | 38/126頁(yè) |
| 文件大?。?/td> | 831K |
| 代理商： | LAN9116 |
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Highly Efficient Single-Chip 10/100 Non-PCI Ethernet Controller
Datasheet
Revision 1.1 (05-17-05)
38
SMSC LAN9116
DATASHEET
Note 3.7
The host must do only read accesses prior to the ready bit being set.
Once the READY bit is set, the LAN9116 is ready to resume normal operation. At this time the WUPS
field can be cleared.
3.10.2.2
D2 Sleep
In this state, as shown in
Table 3.9
, all clocks to the MAC and host bus are disabled, and the PHY is
placed in a reduced power state. To enter this state, the EDPWRDOWN bit in register 17 of the PHY
(Mode Control/Status register) must be set. This places the PHY in the Energy Detect mode. The
PM_MODE bits in the PMT_CTRL register must then be set to 10b. Upon setting the PM_MODE bits,
the LAN9116 will enter the D2 sleep state. The READY bit in PMT_CTRL is cleared when entering the
D2 state.
Note 3.8
If carrier is present when this state is entered detection will occur immediately.
If properly enabled via the ED_EN and PME_EN bits, LAN9116 will assert the PME hardware signal
upon detection of a valid carrier. Upon detection, the WUPS field in PMT_CTRL will be set to a 01b.
Note 3.9
The PME interrupt status bit on the INT_STS register (PME_INT) is set regardless of the
setting of PME_EN.
A write to the BYTE_TEST register, regardless of whether a carrier was detected, will return LAN9116
to the D0 state and will reset the PM_MODE field to the D0 state. As noted above, the host is required
to check the READY bit and verify that it is set before attempting any other reads or writes of the
device. Before LAN9116 is fully awake from this state the EDPWRDOWN bit in register 17 of the PHY
must be cleared in order to wake the PHY. Do not attempt to clear the EDPWRDOWN bit until the
READY bit is set. After clearing the EDPWRDOWN bit the LAN9116 is ready to resume normal
operation. At this time the WUPS field can be cleared.
Table 3.9 Power Management States
LAN9116
BLOCK
D0
(NORMAL OPERATION)
D1
(WOL)
D2
(ENERGY DETECT)
PHY
Full ON
Full ON
Energy Detect Power-Down
MAC Power
Management
Full ON
RX Power Mgmt. Block
On
OFF
MAC and Host
Interface
Full ON
OFF
OFF
Internal Clock
Full ON
Full ON
OFF
KEY
CLOCK ON
BLOCK DISABLED – CLOCK ON
FULL OFF
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| LAN9116-MD | 功能描述:以太網(wǎng) IC Efficient Sngl Chip 10/100 Ethrnt RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
| LAN9116-MT | 功能描述:以太網(wǎng) IC Ethernet IC 32bit Superior Perf RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
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| LAN9117-MD | 功能描述:以太網(wǎng) IC HiPerfrm Sngl-Chip 10/100 Ethrnt RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
| LAN9117-MT | 功能描述:以太網(wǎng) IC HiPerfrm Sngl-Chip 10/100 Ethrnt RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
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