參數(shù)資料
型號(hào)： LPC2470
廠商： NXP Semiconductors N.V.
英文描述： Flashless 16-bit/32-bit micro; Ethernet, CAN, LCD, USB 2.0 device/host/OTG, external memory interface
中文描述： 毛邊16-bit/32-bit微，以太網(wǎng)，CAN，液晶顯示器，USB 2.0設(shè)備/主機(jī)/ OTG功能，外部存儲(chǔ)器接口
文件頁(yè)數(shù)： 51/72頁(yè)
文件大?。?/td> 365K
代理商： LPC2470
LPC2470_0
NXP B.V. 2007. All rights reserved.
Preliminary data sheet
Rev. 00.01 — 5 October 2007
51 of 72
NXP Semiconductors
LPC2470
Fast communication chip
[1]
Typical ratings are not guaranteed. The values listed are at room temperature (25
°
C), nominal supply voltages
[2]
The RTC typically fails when V
i(VBAT)
drops below 1.6 V.
Including voltage on outputs in 3-state mode.
[3]
[4]
V
DD(3V3)
supply voltages must be present.
3-state outputs go into 3-state mode when V
DD(3V3)
is grounded.
Accounts for 100 mV voltage drop in all supply lines.
[5]
[6]
[7]
Only allowed for a short time period.
[8]
Minimum condition for V
I
= 4.5 V, maximum condition for V
I
= 5.5 V.
On pin VBAT.
[9]
[10] To V
SS
.
[11] Includes external resistors of 18
Ω ±
1 % on D+ and D
.
USB pins
I
OZ
OFF-state output
current
bus supply voltage
differential input
sensitivity voltage
differential common
mode voltage range
single-ended receiver
switching threshold
voltage
LOW-level output
voltage for
low-/full-speed
HIGH-level output
voltage (driven) for
low-/full-speed
transceiver
capacitance
driver output
impedance for driver
which is not
high-speed capable
pull-up resistance
0 V < V
I
< 3.3 V
-
-
±
10
μ
A
V
BUS
V
DI
-
0.2
-
-
5.25
-
V
V
|
(D+)
(D
)
|
V
CM
includes V
DI
range
0.8
-
2.5
V
V
th(rs)se
0.8
-
2.0
V
V
OL
R
L
of 1.5 k
Ω
to 3.6 V
-
-
0.18
V
V
OH
R
L
of 15 k
Ω
to GND
2.8
-
3.5
V
C
trans
pin to GND
-
-
20
pF
Z
DRV
with 33
Ω
series resistor;
steady state drive
[11]
36
-
44.1
Ω
R
pu
SoftConnect = ON
1.1
-
1.9
k
Ω
Table 7.
T
amb
=
40
°
C to +85
°
C for commercial applications, unless otherwise specified.
Symbol
Parameter
Static characteristics
…continued
Conditions
Min
Typ
[1]
Max
Unit
Table 8.
V
DDA
= 2.5 V to 3.6 V; T
amb
=
40
°
C to +85
°
C unless otherwise specified; ADC frequency 4.5 MHz.
Symbol
Parameter
Conditions
V
IA
analog input voltage
C
ia
analog input capacitance
E
D
differential linearity error
E
L(adj)
integral non-linearity
E
O
offset error
ADC static characteristics
Min
0
-
Typ
-
-
-
-
-
Max
V
DDA
1
±
1
±
2
±
3
Unit
V
pF
LSB
LSB
LSB
[1][2][3]
-
[1][4]
-
[1][5]
-
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