LPC47M112 SMSC Corporation, LPC47M112 Datasheet - Page 194

• Manufacturer Part Number: LPC47M112
• Description: ENHANCED SUPER I/O CONTROLLER WITH LPC INTERFACE
• Manufacturer: SMSC Corporation

Enhanced Super I/O Controller with LPC Interface
Datasheet
Note 1: Maximum value only applies if there is data in the FIFO waiting to be written out.
Note 2: BUSY is not considered asserted or deasserted until it is stable for a minimum of 75 to 130 ns.
SMSC DS – LPC47M112
NAME
t1
t2
t3
t4
t5
t6
t7
t8
nSTROBE
PD<7:0>
BUSY
nALF
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 23 - ECP PARALLEL PORT FORWARD TIMING
DESCRIPTION
t6
t2
t1
t7
Page 194
t5
t8
t6
MIN
80
80
80
80
0
0
0
0
t3
t4
TYP
MAX
180
180
200
180
60
60
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
Rev. 02/02/2005