LPC2157 NXP [NXP Semiconductors], LPC2157 Datasheet - Page 34

• Manufacturer Part Number: LPC2157
• Description: Single-chip 16-bit/32-bit microcontrollers; 512 kB flash, with 32 segment x 4 LCD driver
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
Table 7.
T
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10] Applies to P1[16] to P1[31].
[11] On pin VBAT.
[12] Optimized for low battery consumption.
[13] To V
[14] Includes external resistors of 18
LPC2157_2158_1
Product data sheet
Symbol
V
V
V
USB pins
I
V
V
V
V
V
V
C
Z
R
OZ
amb
DRV
o(XTAL2)
i(RTCX1)
o(RTCX2)
BUS
DI
CM
th(rs)se
OL
OH
trans
pu
Typical ratings are not guaranteed. The values listed are at room temperature (25 C), nominal supply voltages.
Core and external rail.
The RTC typically fails when V
Including voltage on outputs in 3-state mode.
V
3-state outputs go into 3-state mode when V
Accounts for 100 mV voltage drop in all supply lines.
Allowed as long as the current limit does not exceed the maximum current allowed by the device.
Minimum condition for V
= 40 C to +85 C for commercial applications, unless otherwise specified.
DD
SS
supply voltages must be present.
.
Static characteristics
Parameter
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
HIGH-level output
voltage
transceiver capacitance pin to GND
driver output impedance
for driver which is not
high-speed capable
pull-up resistance
I
= 4.5 V, maximum condition for V
i(VBAT)
…continued
1 % on D+ and D .
drops below 1.6 V.
Conditions
0 V < V
|(D+)
includes V
R
R
steady state drive
SoftConnect = ON
L
L
of 1.5 k to 3.6 V
of 15 k to GND
DD
I
(D )|
is grounded.
< 3.3 V
DI
Rev. 01 — 15 October 2008
range
I
= 5.5 V.
[14]
Single-chip 16-bit/32-bit microcontrollers
Min
0
0
0
-
-
0.2
0.8
0.8
-
2.8
-
29
1.1
LPC2157/2158
Typ
-
-
-
-
-
-
-
-
-
-
-
-
-
[1]
© NXP B.V. 2008. All rights reserved.
Max
1.8
1.8
1.8
5.25
-
2.5
2.0
0.3
3.6
20
44
1.9
10
34 of 45
Unit
V
V
V
V
V
V
V
V
V
pF
k
A