lpc47s457-ns Standard Microsystems Corp., lpc47s457-ns Datasheet - Page 240
lpc47s457-ns
Manufacturer Part Number
lpc47s457-ns
Description
Advanced I/o With X-bus Interface
Manufacturer
Standard Microsystems Corp.
Datasheet
1.LPC47S457-NS.pdf
(259 pages)
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Part Number:
LPC47S457-NS
Manufacturer:
Microchip Technology
Quantity:
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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 LPC47S45x
PDATA<7:0
NAME
nAUTOF
t1
t2
t3
t4
t5
t6
t7
t8
nSTROB
BUSY
nAUTOFD Valid to nSTROBE Asserted
PDATA Valid to nSTROBE Asserted
BUSY Deasserted to nAUTOFD Changed
(Notes 1,2)
BUSY Deasserted to PDATA Changed (Notes 1,2)
nSTROBE Deasserted to Busy Asserted
nSTROBE Deasserted to Busy Deasserted
BUSY Deasserted to nSTROBE Asserted (Notes 1,2)
BUSY Asserted to nSTROBE Deasserted (Note 2)
FIGURE 31 − ECP PARALLEL PORT FORWARD TIMING
DESCRIPTION
t6
t2
t1
DATASHEET
t7
Page 240 of 259
t5
t8
MIN
t6
80
80
80
80
0
0
0
0
TYP
t3
t4
MAX
180
180
200
180
60
60
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
Rev. 08-10-09
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