參數(shù)資料
型號(hào): 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(yè)數(shù): 60/67頁(yè)
文件大?。?/td> 369K
代理商: LAN91C100-FD-SS
SMSC DS – LAN91C100FD REV. B
Page 60
Rev. 01-20-06
FIGURE 18 - ASYNCHRONOUS CYCLE - nADS=0
(nDATACS Used to Select Data Register; Must Be 32 Bit Access)
PARAMETER
MIN
25
TYP
MAX
UNITS
ns
t1
A1-A15, AEN, nBE0-nBE3 Valid and nADS Low Setup to
nRD, nWR Active
A1-A15, AEN, nBE0-nBE3 Hold After nRD, nWR Inactive
(Assuming nADS Tied Low)
nRD Low to Valid Data
nRD High to Data Floating
Data Setup to nWR Inactive
Data Hold After nWR Inactive
t2
20
ns
t3
t4
t5
t5A
40
30
ns
ns
ns
ns
30
5
t5
t2
t3
t4
t1
t5A
D0-D31 valid
nDATACS
nADS
READ DATA
nRD, nWR
WRITE DATA
相關(guān)PDF資料
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LAN91C100-FD FEAST FAST ETHERNET CONTROLLER WITH FULL DUPLEX CAPABILITY
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