參數(shù)資料
型號： LPC2939FBD208
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： ARM9 microcontroller with CAN, LIN, and USB
中文描述： 32-BIT, FLASH, 125 MHz, RISC MICROCONTROLLER, PQFP208
封裝： 28 X 28 MM, 1.40 MM HEIGHT, PLASTIC, SOT-459, MS-026, LQFP-208
文件頁數(shù)： 76/99頁
文件大?。?/td> 1945K
代理商： LPC2939FBD208
LPC2939_3
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 03 — 7 April 2010
76 of 99
NXP Semiconductors
LPC2939
ARM9 microcontroller with CAN, LIN, and USB
9.2 USB interface
[1]
Characterized but not implemented as production test. Guaranteed by design.
Table 37.
C
L
= 50 pF; R
pu
= 1.5 k
on D+ to V
DD(3V3)
; unless otherwise specified.
Symbol
Parameter
t
r
rise time
t
f
fall time
t
FRFM
differential rise and fall time
matching
V
CRS
output signal crossover voltage
t
FEOPT
source SE0 interval of EOP
t
FDEOP
source jitter for differential transition
to SE0 transition
t
JR1
receiver jitter to next transition
t
JR2
receiver jitter for paired transitions
t
EOPR1
EOP width at receiver
Dynamic characteristics: USB pins (full-speed)
Conditions
10 % to 90 %
10 % to 90 %
t
r
/ t
f
Min
8.5
7.7
-
Typ
-
-
-
Max
13.8
13.7
109
Unit
ns
ns
%
1.3
160
2
-
-
-
2.0
175
+5
V
ns
ns
see
Figure 26
see
Figure 26
18.5
9
-
-
-
+18.5
+9
-
ns
ns
ns
10 % to 90 %
must reject as
EOP; see
Figure 26
must accept as
EOP; see
Figure 26
[1]
40
t
EOPR2
EOP width at receiver
[1]
82
-
-
ns
Fig 26. Differential data-to-EOP transition skew and EOP width
002aab561
T
PERIOD
differential
data lines
crossover point
source EOP width: t
FEOPT
receiver EOP width: t
EOPR1
, t
EOPR2
crossover point
extended
differential data to
SE0/EOP skew
n
×
T
PERIOD
+ t
FDEOP
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