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參數資料
| 型號： | LAN91C96I |
| 廠商： | SMSC Corporation |
| 英文描述： | NON-PCI SINGLE-CHIP FULL DUPLES ETHERNET CONTROLLER |
| 中文描述： | 非PCI單芯片以太網控制器全DUPLES |
| 文件頁數： | 83/110頁 |
| 文件大?。?/td> | 655K |
| 代理商： | LAN91C96I |
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Non-PCI Single-Chip Full Duplex Ethernet Controller
SMSC DS – LAN91C96I
Page 83
Rev.
11/18/2004
DATASHEET
On EEPROM read operations (after setting RELOAD high) the EEPROM word address defined by the
POINTER REGISTER 6 least significant bits is read into the GENERAL PURPOSE REGISTER.
On EEPROM write operations (after setting the STORE bit) the value of the GENERAL PURPOSE
REGISTER is written at the EEPROM word address defined by the POINTER REGISTER 6 least
significant bits.
RELOAD and STORE are set by the user to initiate read and write operations respectively. Polling the
value until read low is used to determine completion. When an EEPROM access is in progress the
STORE and RELOAD bits of CTR will read-back as both bits high. No other bits of the LAN91C96I
can be read or written until the EEPROM operation completes and both bits are clear. This
mechanism is also valid for reset initiated reloads.
Note
:
If no EEPROM is connected to the LAN91C96I, the ENEEP pin should be grounded and no accesses to
the EEPROM will be attempted. Configuration, Base and Individual Addresses assume their default values
upon hardware reset and the CPU is responsible for programming them for their final value.
10.1 Diagnostic LEDs
The following LED drive signals are available for diagnostic and installation aid purposes:
nTXLED - Activated by transmit activity.
nBSELED - Board select LED. Activated when the board space is accessed, namely on accesses to
the LAN91C96I register space or the ROM area decoded by the LAN91C96I. The signal is stretched
to 125 msec.
nRXLED - Activated by receive activity.
nLINKLED - Reflects the link integrity status.
10.2 Bus Clock Considerations
The arbiter exploits the sequential nature of the CPU accesses to provide a very fast access time.
Memory bandwidth considerations will have an effect on the CPU cycle time but no effect on access time.
For normal 8MHz, 10MHz, and 12.5MHz Local Bus, as well as EISA normal cycles, the LAN91C96I can
be accessed without negating ready.
See Arbitration Considerations in Functional Description of the Blocks for more details.
相關PDF資料 |
PDF描述 |
|---|---|
| LAN91C96I-MS | NON-PCI SINGLE-CHIP FULL DUPLES ETHERNET CONTROLLER |
| LAN91C96I-MU | NON-PCI SINGLE-CHIP FULL DUPLES ETHERNET CONTROLLER |
| LAN91C96IQFP | NON-PCI SINGLE-CHIP FULL DUPLES ETHERNET CONTROLLER |
| LAN91C96ITQFP | NON-PCI SINGLE-CHIP FULL DUPLES ETHERNET CONTROLLER |
| LANF72351D | ETHERNET 10BASE-T LAN FILTER MODULES |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LAN91C96I_07 | 制造商:SMSC 制造商全稱:SMSC 功能描述:Non-PCI Single-Chip Full Duplex Ethernet Controller |
| LAN91C96IMS | 制造商:Microchip Technology Inc 功能描述: |
| LAN91C96I-MS | 功能描述:以太網 IC Non-PCI 10 Mbps Ethernet MAC RoHS:否 制造商:Micrel 產品:Ethernet Switches 收發(fā)器數量:2 數據速率: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 |
| LAN91C96I-MU | 功能描述:以太網 IC Non-PCI 10 Mbps Ethernet MAC RoHS:否 制造商:Micrel 產品:Ethernet Switches 收發(fā)器數量:2 數據速率: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 |
| LAN91C96IQFP | 功能描述:以太網 IC Non-PCI 10 Mbps Ethernet MAC RoHS:否 制造商:Micrel 產品:Ethernet Switches 收發(fā)器數量:2 數據速率: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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