參數(shù)資料
型號(hào)： 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(yè)數(shù)： 30/110頁(yè)
文件大?。?/td> 655K
代理商： LAN91C96IQFP
Non-PCI Single-Chip Full Duplex Ethernet Controller
Rev.
11/18/2004
Page 30
SMSC DS – LAN91C96I
DATASHEET
Chapter 6
Packet Format in Buffer memory for
Ethernet
The packet format in memory is similar to that in the TRANSMIT and RECEIVE areas. The first word is
reserved for the status word, the next word is used to specify the total number of bytes, and that in turn is
followed by the data area. The data area holds the packet itself, and its length is determined by the byte
count. The packet memory format is word oriented.
Figure 6.1 – Data Packet Format
TRANSMIT PACKET
Written by CSMA upon transmit
completion (see Status Register)
RECEIVE PACKET
Written by CSMA upon receive
completion (see RX Frame
Status Word)
Written by CSMA
Written by CSMA
Written by CSMA. Also has
ODD/EVEN bit
STATUS WORD
BYTE COUNT
DATA AREA
CONTROL BYTE
Written by CPU
Written/modified by CPU
Written by CPU to control
ODD/EVEN data bytes
RESERVED
BYTE COUNT (always even)
STATUS WORD
DATA AREA
LAST DATA BYTE (if odd)
bit0
bit15
RAM
OFFSET
(DECIMAL)
0
2
4
1534 Max
CONTROL BYTE
Last Byte
1st Byte
2nd Byte
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
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