參數(shù)資料
型號(hào)： LAN9117-MD
廠商： STANDARD MICROSYSTEMS CORP
元件分類： 微控制器/微處理器
英文描述： HIGH PERFORMANCE SINGLE-CHIP 10/100 NON-PCI ETHERNET CONTROLLER
中文描述： 1 CHANNEL(S), 100M bps, LOCAL AREA NETWORK CONTROLLER, PQFP100
封裝： TQFP-100
文件頁數(shù)： 39/131頁
文件大?。?/td> 1531K
代理商： LAN9117-MD
High Performance Single-Chip 10/100 Non-PCI Ethernet Controller
Datasheet
SMSC LAN9117
39
Revision 1.1 (05-17-05)
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 LAN9117 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 LAN9117 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, LAN9117 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 LAN9117
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 LAN9117 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 LAN9117 is ready to resume normal
operation. At this time the WUPS field can be cleared.
Table 3.9 Power Management States
LAN9117
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
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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LAN9118 制造商:SMSC 制造商全稱:SMSC 功能描述:High Performance Single-Chip 10/100 Non-PCI Ethernet Controller
LAN9118_05 制造商:SMSC 制造商全稱:SMSC 功能描述:High Performance Single-Chip 10/100 Non-PCI Ethernet Controller
LAN9118_07 制造商:SMSC 制造商全稱:SMSC 功能描述:High Performance Single-Chip 10/100 Non-PCI Ethernet Controller
LAN9118-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
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