參數(shù)資料
型號： LAN91C96IQFP
廠商： STANDARD MICROSYSTEMS CORP
元件分類： 微控制器/微處理器
英文描述： NON-PCI SINGLE-CHIP FULL DUPLES ETHERNET CONTROLLER
中文描述： 2 CHANNEL(S), 10M bps, LOCAL AREA NETWORK CONTROLLER, PQFP100
封裝： QFP-100
文件頁數(shù)： 21/110頁
文件大?。?/td> 655K
代理商： LAN91C96IQFP
Non-PCI Single-Chip Full Duplex Ethernet Controller
SMSC DS – LAN91C96I
Page 21
Rev. 11/18/2004
DATASHEET
If the system to SRAM bandwidth is insufficient the LAN91C96I will automatically use its IOCHRDY line for
flow control. However, for Local Bus, IOCHRDY will never be negated.
The LAN91C96I consists of an integrated Ethernet controller mapped entirely in I/O space.
The Ethernet controller function includes a built-in 6kbyte RAM for packet storage. This RAM buffer is
accessed by the CPU through sequential access regions of 256 bytes each. The RAM access is internally
arbitrated by the LAN91C96I, and dynamically allocated between transmit and receive packets. Each packet
may consist of one or more 256 byte page. The Ethernet controller functionality is identical to the LAN91C94
and LAN91C95 except where indicated otherwise.
The LAN91C96I Memory Management Unit parameters are:
RAM size
Max. number of pages
Max. number of
packets
Max. pages per packet
Page Size
6kbytes
24
24 (FIFOs have 24
entries of 5 bits)
6
256 bytes
5.1
Buffer Memory
The logical addresses for RAM access are divided into TX area and RX area.
The TX area is seen by the CPU as a window through which packets can be loaded into memory before
queuing them in the TX FIFO of packets. The TX area can also be used to examine the transmit
completion status after packet transmission.
The RX area is associated to the output of the RX FIFO of packets, and is used to access receive packet
data and status information.
The logical address is specified by loading the address pointer register. The pointer can automatically
increment on accesses.
All accesses to the RAM are done via I/O space.
A bit in the address pointer also specifies if the address refers to the TX or RX area.
In the TX area, the host CPU has access to the next transmit packet being prepared for transmission. In
the RX area, it has access to the first receive packet not processed by the CPU yet.
The FIFO of packets, existing beneath the TX and RX areas, is managed by the MMU. The MMU
dynamically allocates and releases memory to be used by the transmit and receive functions.
相關(guān)PDF資料
PDF描述
LAN91C96ITQFP NON-PCI SINGLE-CHIP FULL DUPLES ETHERNET CONTROLLER
LANF72351D ETHERNET 10BASE-T LAN FILTER MODULES
LANF7236G ETHERNET 10BASE-T LAN FILTER MODULES
LANF72761 ETHERNET 10BASE-T PCMCIA TRANSFORMER MODULES
LANF7307 ETHERNET 10BASE-T LAN FILTER MODULES
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LAN91C96ITQFP 功能描述:以太網(wǎng) IC Non-PCI 10 Mbps Ethernet MAC 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
LAN91C96-MS 功能描述:以太網(wǎng) IC Non-PCI 10 Mbps Ethernet MAC 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
LAN91C96-MU 功能描述:以太網(wǎng) IC Ethernet IC 10Mbps MAC PHY 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
LAN91C96QFP 功能描述:以太網(wǎng) IC Non-PCI 10 Mbps Ethernet MAC 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
LAN91C96TQFP 功能描述:以太網(wǎng) IC Non-PCI 10 Mbps Ethernet MAC 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
發(fā)布緊急采購，3分鐘左右您將得到回復。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*