參數(shù)資料
型號: LAN91C100-FD-SS
廠商: STANDARD MICROSYSTEMS CORP
元件分類: 微控制器/微處理器
英文描述: FEAST Fast Ethernet Controller with Full Duplex Capability
中文描述: 2 CHANNEL(S), 100M bps, LOCAL AREA NETWORK CONTROLLER, PQFP208
封裝: GREEN, QFP-208
文件頁數(shù): 36/67頁
文件大小: 369K
代理商: LAN91C100-FD-SS
SMSC DS – LAN91C100FD REV. B
Page 36
Rev. 01-20-06
nRXDISC PIN COUNTER - 8-bit counter increments when a packet is discarded due to the nRXDISC pin being active.
This counter will be reset to 00 when read. A count of FF will set the RX_DISC INT. The count will wrap around to 00 after
FF.
RCV DISCRD - Set to discard a packet being received. Will discard packets only in the process of being received. When
set prior to the end of receive packet, bit 4 (RXOVRN) of the interrupt status register will be set to indicate that the packet
was discarded. Otherwise, the packet will be received normally and bit 0 set (RCVINT) in the interrupt status register. RCV
DISCRD is self clearing.
ERCV THRESHOLD - Threshold for ERCV interrupt. Specified in 64 byte multiples. Whenever the number of bytes written
in memory for the presently received packet exceeds the ERCV THRESHOLD, ERCV INT bit of the INTERRUPT STATUS
REGISTER is set.
BANK7
OFFSET
NAME
0 THROUGH 7
EXTERNAL REGISTERS
nCSOUT is driven low by the LAN91C100FD when a valid access to the EXTERNAL REGISTER range occurs.
TYPE
SYMBOL
HIGH
BYTE
EXTERNAL R/W REGISTER
LOW
BYTE
EXTERNAL R/W REGISTER
CYCLE
nCSOUT
LAN91C100FD DATA BUS
AEN=0
A3=0
A4-15 matches I/O BASE
BANK SELECT = 7
Driven low. Transparently latched on
nADS rising edge.
Ignored on writes.
Tri-stated on reads.
BANK SELECT = 4,5,6
High
Ignore cycle.
Otherwise
High
Normal LAN91C100FD cycle.
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LAN91C100-FD FEAST FAST ETHERNET CONTROLLER WITH FULL DUPLEX CAPABILITY
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相關代理商/技術參數(shù)
參數(shù)描述
LAN91C100FD-SS 功能描述:以太網(wǎng) IC Non-PCI 10/100 Ethernet MAC RoHS:否 制造商:Micrel 產品: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
LAN91C100-FD-ST 制造商:SMSC 制造商全稱:SMSC 功能描述:FEAST Fast Ethernet Controller with Full Duplex Capability
LAN91C100FD-ST 功能描述:以太網(wǎng) IC Non-PCI 10/100 Ethernet MAC RoHS:否 制造商:Micrel 產品: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
LAN91C100FDTQFP 功能描述:以太網(wǎng) IC Non-PCI 10/100 Ethernet MAC RoHS:否 制造商:Micrel 產品: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
LAN91C100QFP 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:SMSC 功能描述: