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| 型號(hào)： | LAN9117-MD |
| 廠商： | STANDARD MICROSYSTEMS CORP |
| 元件分類(lèi)： | 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(yè)數(shù)： | 41/131頁(yè) |
| 文件大小： | 1531K |
| 代理商： | LAN9117-MD |
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High Performance Single-Chip 10/100 Non-PCI Ethernet Controller
Datasheet
SMSC LAN9117
41
Revision 1.1 (05-17-05)
DATASHEET
3.10.3.2
Energy Detect Power-Down
This power-down mode is activated by setting the Phy register bit 17.13 to 1. Please refer to
Section
5.5.8, "Mode Control/Status," on page 111
for additional information on this register. In this mode when
no energy is present on the line, the PHY is powered down, with th exception of the management
interface, the SQUELCH circuit and the ENERGYON logic. The ENERGYON logic is used to detect
the presence of valid energy from 100Base-TX, 10Base-T, or Auto-negotiation signals
In this mode, when the ENERGYON signal is low, the PHY is powered-down, and nothing is
transmitted. When energy is received - link pulses or packets - the ENERGYON signal goes high, and
the PHY powers-up. It automatically resets itself into the state it had prior to power-down, and asserts
the INT7.1 bit of the register defined in
Section 5.5.11, "Interrupt Source Flag," on page 113
. If the
ENERGYON interrupt is enabled, this event will cause an interrupt to the host. The first and possibly
the second packet to activate ENERGYON may be lost.
When 17.13 is low, energy detect power-down is disabled.
3.11
Detailed Reset Description
The LAN9117 has five reset sources:
■
Power-On Reset (POR)
■
Hardware Reset Input Pin (nRESET)
■
Soft Reset (SRST)
■
PHY Soft Reset via PMT_CTRL bit 10 (PHY_RST)
■
PHY Soft Reset via PHY Basic Control Register (PHY REG 0.15)
Table 3.10
shows the effect of the various reset sources on the LAN9117's circuitry.
Note 3.10
After any PHY reset, the application must wait until the “Link Status” bit in the PHY’s “Basic
Status Register” (PHY Reg. 1.2) is set before attempting to transmit or receive data.
Note 3.11
After a POR, nRESET or SRST, the LAN9117 will automatically check for the presence of
an external EEPROM. After any of these resets the application must verify that the EPC
Busy Bit (E2P_CMD, bit 31) is cleared before attempting to access the EEPROM, or
change the function of the GPO/GPIO signals, or before modifying the ADDRH or ADDRL
registers in the MAC.
Note 3.12
HBI - “Host Bus Interface”, NASR - Not affected by software reset
Table 3.10 PHY Reset Sources and Effected Circuitry
RESET
SOURCE
PLL
HBI
Note
3.12
NASR
REGISTERS
Note 3.12
MIL
MAC
PHY
Note 3.10
EEPROM MAC
ADDR.
RELOAD
Note 3.11
CONFIG.
STRAPS
LATCHED
POR
X
X
X
X
X
X
X
X
nRESET
X
X
X
X
X
X
X
X
SRST
X
X
X
X
PHY_RST
X
PHY REG 0.15
X
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| LAN9117-MT | HIGH PERFORMANCE SINGLE-CHIP 10/100 NON-PCI ETHERNET CONTROLLER |
| LAN9118 | HIGH PERFORMANCE SINGLE CHIP 10/100NON PCI ETHERNET CONTROLLER |
| LAN9118-MD | HIGH PERFORMANCE SINGLE CHIP 10/100NON PCI ETHERNET CONTROLLER |
| LAN9118-MT | HIGH PERFORMANCE SINGLE CHIP 10/100NON PCI ETHERNET CONTROLLER |
| LAN91C100-FD-SS | FEAST Fast Ethernet Controller with Full Duplex Capability |
相關(guān)代理商/技術(shù)參數(shù) |
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| 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 |
| LAN9118 | 制造商:SMSC 制造商全稱(chēng):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(chēng):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(chēng):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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