t1
t2
nWRITE
PD<7:0>
t3
t4
nDATASTB
nADDRSTB
t5
nWAIT
FIGURE 30 – EPP 1.7 DATA OR ADDRESS WRITE CYCLE
NAME
DESCRIPTION
MIN
0
50
10
5
TYP
MAX
40
UNITS
ns
ns
ns
ns
t1
t2
t3
t4
t5
Command Deasserted to nWRITE Change
Command Deasserted to PDATA Invalid
PDATA Valid to Command Asserted
nWRITE to Command
35
35
Command Deasserted to nWAIT Deasserted
0
ns
nWRITE
t1
t2
PD<7:0>
nDATASTB
nADDRSTB
t3
nWAIT
FIGURE 31 – EPP 1.7 DATA OR ADDRESS READ CYCLE
NAME
DESCRIPTION
MIN
0
0
TYP
MAX
UNITS
ns
ns
t1
t2
t3
Command Asserted to PDATA Valid
Command Deasserted to PDATA Hi-Z
Command Deasserted to nWAIT Deasserted
0
ns
SMSC DS – LPC47M14X
Page 189
Rev. 03/19/2001