LPC2478 NXP Semiconductors, LPC2478 Datasheet - Page 56
LPC2478
Manufacturer Part Number
LPC2478
Description
NXP Semiconductors designed the LPC2478 microcontroller, powered by theARM7TDMI-S core, to be a highly integrated microcontroller for a wide range ofapplications that require advanced communications and high quality graphic displays
Manufacturer
NXP Semiconductors
Datasheet
1.LPC2478.pdf
(93 pages)
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NXP Semiconductors
Table 9.
T
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10] Allowed as long as the current limit does not exceed the maximum current allowed by the device.
[11] Minimum condition for V
[12] To V
[13] Includes external resistors of 33 1 % on D+ and D.
LPC2478
Product data sheet
Symbol
Oscillator pins
V
V
V
V
USB pins
I
V
V
V
V
V
V
C
Z
OZ
amb
DRV
i(XTAL1)
o(XTAL2)
i(RTCX1)
o(RTCX2)
BUS
DI
CM
th(rs)se
OL
OH
trans
Typical ratings are not guaranteed. The values listed are at room temperature (25 C), nominal supply voltages
The RTC typically fails when V
V
On pin VBAT.
Including voltage on outputs in 3-state mode.
V
3-state outputs go into 3-state mode when V
Please also see the errata note in errata sheet.
Accounts for 100 mV voltage drop in all supply lines.
= 40 C to +85 C for commercial applications, unless otherwise specified.
DD(DCDC)(3V3)
DD(3V3)
SSIO
Static characteristics
.
supply voltages must be present.
= 3.3 V; V
Parameter
input voltage on pin
XTAL1
output voltage on pin
XTAL2
input voltage on pin
RTCX1
output voltage on pin
RTCX2
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
I
DD(3V3)
= 4.5 V, maximum condition for V
i(VBAT)
= 3.3 V; V
…continued
drops below 1.6 V.
i(VBAT)
Conditions
0 V < V
(D+) (D)
includes V
R
R
pin to GND
with 33 series resistor;
steady state drive
All information provided in this document is subject to legal disclaimers.
L
L
DD(3V3)
of 1.5 k to 3.6 V
of 15 k to GND
= 3.3 V; T
Rev. 3 — 12 September 2011
I
is grounded.
< 3.3 V
DI
range
amb
I
= 5.5 V.
= 25 C.
[13]
Single-chip 16-bit/32-bit microcontroller
Min
0.5
0.5
0.5
0.5
-
-
0.2
0.8
0.8
-
2.8
-
36
Typ
1.8
1.8
1.8
1.8
-
-
-
-
-
-
-
-
-
[1]
LPC2478
© NXP B.V. 2011. All rights reserved.
Max
1.95
1.95
1.95
1.95
10
5.25
-
2.5
2.0
0.18
3.5
20
44.1
56 of 93
Unit
V
V
V
V
A
V
V
V
V
V
V
pF