LPC47M172 SMSC Corporation, LPC47M172 Datasheet - Page 214

• Manufacturer Part Number: LPC47M172
• Description: ADVANCED I/O CONTROLLER WITH MOTHERBOARD GLUE LOGIC
• Manufacturer: SMSC Corporation

Advanced I/O Controller with Motherboard GLUE Logic
Datasheet
Note 1:
Note 2:
SMSC/Non-SMSC Register Sets (Rev. 02-27-04)
NAME
t1
t2
t3
t4
t5
t6
t7
t8
Maximum value only applies if there is data in the FIFO waiting to be written out.
BUSY is not considered asserted or deasserted until it is stable for a minimum of 75 to 130 ns.
nSTROBE
PD<7:0>
nALF
BUSY
nALF Valid to nSTROBE Asserted
PDATA Valid to nSTROBE Asserted
BUSY Deasserted to nALF Changed
(Notes 1,2)
BUSY Deasserted to PDATA Changed (Notes 1,2)
nSTROBE Asserted to Busy Asserted
nSTROBE Deasserted to Busy Deasserted
BUSY Deasserted to nSTROBE Asserted (Notes 1,2)
BUSY Asserted to nSTROBE Deasserted (Note 2)
Figure 13.18 - ECP Parallel Port Forward Timing
DESCRIPTION
t6
DATASHEET
t2
t1
t7
Page 214
t5
t8
MIN
80
80
80
80
t6
0
0
0
0
TYP
t3
t4
MAX
180
180
200
180
60
60
UNITS
SMSC LPC47M172
ns
ns
ns
ns
ns
ns
ns
ns