LPC5411x
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© NXP Semiconductors N.V. 2018. All rights reserved.
Product data sheet
Rev. 2.1 — 9 May 2018
77 of 105
NXP Semiconductors
LPC5411x
32-bit ARM Cortex-M4/M0+ microcontroller
11.13 DMIC subsystem
[1]
Based on simulated values and for 2.7 V to 3.6 V.
11.14 USB interface characteristics
Table 34.
Dynamic characteristics
T
amb
=
40
C to 105
C; V
DD
= 1.62 V to 3.6 V; C
L
= 30 pF balanced loading on all pins; Input slew = 1 ns, SLEW set to
standard mode for all pins; Bypass bit = 0; Parameters sampled at the 90 % and 10 % level of the rising or falling edge.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
t
DS
data set-up time
CCLK = 1 MHz to 12 MHz -
23
-
ns
CCLK = 48 MHz to 60 MHz -
13
-
ns
CCLK = 96 MHz
-
9
-
ns
t
DH
data hold time
CCLK = 1 MHz to 12 MHz -
0
-
ns
CCLK = 48 MHz to 60 MHz -
0
-
ns
CCLK = 96 MHz
-
0
-
ns
Fig 25. DMIC timing diagram
aaa-017025
CLOCK
DATA
t
SU
t
DH
Table 35.
Dynamic characteristics: USB pins (Full-Speed)
C
L
= 50 pF; R
pu
= 1.5 k
on D+ to V
DD
, unless otherwise specified; 3.0 V
V
DD
3.6 V.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
t
r
rise time
10 % to 90 %
4.0
-
20
ns
t
f
fall time
10 % to 90 %
4.0
-
20
ns
t
FRFM
differential rise and fall time match-
ing
t
r
/ t
f
90
-
111.11
%
V
CRS
output signal crossover voltage
1.3
-
2.0
V
t
FEOPT
source SE0 interval of EOP
see
Figure 26
160
-
175
ns
t
FDEOP
source jitter for differential transition
to SE0 transition
see
Figure 26
2
-
+5
ns
t
JR1
receiver jitter to next transition
18.5
-
+18.5
ns
t
JR2
receiver jitter for paired transitions
10 % to 90 %
9
-
+9
ns
t
EOPR1
EOP width at receiver
must reject as
EOP; see
Figure 26
40
-
ns
t
EOPR2
EOP width at receiver
must accept as
EOP; see
Figure 26
82
-
-
ns