LAN91C100-FD SMSC [SMSC Corporation], LAN91C100-FD Datasheet - Page 69

• Manufacturer Part Number: LAN91C100-FD
• Description: FEAST FAST ETHERNET CONTROLLER WITH FULL DUPLEX CAPABILITY
• Manufacturer: SMSC [SMSC Corporation]

SMSC DS – LAN91C100FD Rev. D
FEAST Fast Ethernet Controller with Full Duplex Capability
WRITE DATA
READ DATA
t5A
t1
t2
t3
t4
t5
nRD, nWR
nDATACS
nADS
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
(nDATACS Used to Select Data Register; Must Be 32 Bit Access)
Figure 9.3 - Asynchronous Cycle - nADS=0
PARAMETER
t1
PRELIMINARY
Page 69
t3
D0-D31 valid
t5
MIN
25
20
30
5
TYP
t4
MAX
40
30
t5A
t2
UNITS
Rev. 10/14/2002
ns
ns
ns
ns
ns
ns