LPC2157_2158 NXP Semiconductors, LPC2157_2158 Datasheet - Page 39
![The LPC2157/2158 is a multi-chip module consisting of a LPC2138/2148 single-chipmicrocontroller combined with a PCF8576D Universal LCD driver in a low-cost 100-pinpackage](/photos/41/52/415291/sot407-1_3d_sml.gif)
LPC2157_2158
Manufacturer Part Number
LPC2157_2158
Description
The LPC2157/2158 is a multi-chip module consisting of a LPC2138/2148 single-chipmicrocontroller combined with a PCF8576D Universal LCD driver in a low-cost 100-pinpackage
Manufacturer
NXP Semiconductors
Datasheet
1.LPC2157_2158.pdf
(45 pages)
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NXP Semiconductors
10. Application information
LPC2157_2158_2
Product data sheet
Fig 9.
Fig 10. Differential data-to-EOP transition skew and EOP width
Fig 11. LPC2158 USB interface using the CONNECT function on pin 17
T
PERIOD
differential
data lines
External clock timing (with an amplitude of at least V
10.1 Suggested USB interface solutions
9.1 Timing
LPC2158
n
differential data to
crossover point
SE0/EOP skew
T
PERIOD
+ t
FDEOP
t
CHCL
CONNECT
V
VBUS
D
D
V
Rev. 02 — 9 February 2009
DD
SS
R S = 33
R S = 33
t
CLCX
crossover point
R1
1.5 k
i(RMS)
soft-connect switch
T
extended
cy(clk)
= 200 mV)
t
CLCH
t
Single-chip 16-bit/32-bit microcontrollers
CHCX
002aad410
002aaa907
LPC2157/2158
source EOP width: t
receiver EOP width: t
USB-B
connector
© NXP B.V. 2009. All rights reserved.
FEOPT
002aab561
EOPR1
, t
EOPR2
39 of 45
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