LPC47M172_07 SMSC [SMSC Corporation], LPC47M172_07 Datasheet - Page 209
LPC47M172_07
Manufacturer Part Number
LPC47M172_07
Description
Advanced I/O Controller with Motherboard GLUE Logic
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.LPC47M172_07.pdf
(226 pages)
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Note 1:
Note 2:
SMSC LPC47M172
nADDRSTB
NAME
nDATASTB
PD<7:0>
nWAIT is considered to have settled after it does not transition for a minimum of 50 ns.
When not executing a write cycle, EPP nWRITE is inactive high.
t10
t11
t12
nWRITE
t1
t2
t3
t4
t5
t6
t7
t8
t9
nWAIT
nWAIT Asserted to nWRITE Deasserted
nWAIT Asserted to nWRITE Modified (Notes 1,2)
nWAIT Asserted to PDATA Hi-Z (Note 1)
Command Asserted to PDATA Valid
Command Deasserted to PDATA Hi-Z
nWAIT Asserted to PDATA Driven (Note 1)
PDATA Hi-Z to Command Asserted
nWRITE Deasserted to Command
nWAIT Asserted to Command Asserted
nWAIT Deasserted to Command Deasserted
(Note 1)
PDATA Valid to nWAIT Deasserted
PDATA Hi-Z to nWAIT Asserted
Figure 13.14 - EPP 1.9 Data or Address Read Cycle
DESCRIPTION
t3
t1
DATASHEET
t9
t8
t7
Page 209
t4
t11
Advanced I/O Controller with Motherboard GLUE Logic
MIN
60
60
60
60
0
0
0
0
1
0
0
0
t10
SMSC/Non-SMSC Register Sets (Rev. 01-11-07)
TYP
t5
t12
MAX
185
190
180
190
195
180
30
t6
t2
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
ns
ns
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