LPC47M142-NC Standard Microsystems (SMSC), LPC47M142-NC Datasheet - Page 197
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LPC47M142-NC
Manufacturer Part Number
LPC47M142-NC
Description
Manufacturer
Standard Microsystems (SMSC)
Datasheet
1.LPC47M142-NC.pdf
(205 pages)
Specifications of LPC47M142-NC
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Note 1: t
percentage errors indicated in the “Baud Rate” table in the “Serial Port” section.
SMSC DS – LPC47M14X
NAME
NAME
NAME
NAME
t1, t2
t1
t2
t1
t1
BR
is 1/Baud Rate. The Baud Rate is programmed through the divisor latch registers. Baud Rates have
PCI_CLK
SER_IRQ
J1B1, J1B2,
J2B1, J2B2
SER_IRQ Setup Time to PCI_CLK Rising
SER_IRQ Hold Time to PCI_CLK Rising
Serial Port Data Bit Time
Rise Time to 2/3 VREF
Button Fall/Rise Time
TXD1, 2
Data
J1X, J1Y,
J2X, J2Y
Start
FIGURE 41 – JOYSTICK POSITION SIGNAL
FIGURE 42 – JOYSTICK BUTTON SIGNAL
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
FIGURE 39 – SETUP AND HOLD TIME
FIGURE 40 – SERIAL PORT DATA
t1
t1
90%
t1
10%
Page 197
Data (5-8 Bits)
t1
MIN
MIN
MIN
MIN
t2
20
10%
7
0
90%
Parity
t2
VREF
2
3
TYP
TYP
TYP
TYP
t
BR
VREF +/- 5%
1
Stop (1-2 Bits)
MAX
MAX
MAX
MAX
10
UNITS
UNITS
UNITS
UNITS
nsec
nsec
nsec
µsec
µsec
Rev. 03/19/2001
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