LPC47B272-MS SMSC, LPC47B272-MS Datasheet - Page 183
LPC47B272-MS
Manufacturer Part Number
LPC47B272-MS
Description
IC CTRLR SUPER I/O LPC 100-QFP
Manufacturer
SMSC
Datasheet
1.LPC47B272-MS.pdf
(195 pages)
Specifications of LPC47B272-MS
Controller Type
I/O Controller
Interface
LPC
Voltage - Supply
3.3V
Current - Supply
15mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
100-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
638-1019
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Note 1: Maximum value only applies if there is room in the FIFO and terminal count has not been
Note 2: nACK is not considered asserted or deasserted until it is stable for a minimum of 75 to 130 ns.
SMSC LPC47B27x
NAME
t1
t2
t3
t4
t5
t6
PD<7:0>
received. ECP can stall by keeping nALF low.
PDATA Valid to nACK Asserted
nALF Asserted to PDATA Changed
nACK Asserted to nALF Deasserted
(Notes 1,2)
nACK Deasserted to nALF Asserted (Note 2)
nALF Asserted to nACK Asserted
nALF Deasserted to nACK Deasserted
nACK
nALF
FIGURE 24 - ECP PARALLEL PORT REVERSE TIMING
DESCRIPTION
t4
DATASHEET
t1
t5
- 183 -
t3
t6
MIN
80
80
0
0
0
0
t4
TYP
t2
MAX
200
200
Rev. 04-17-07
UNITS
ns
ns
ns
ns
ns
ns
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