LPC2157_2158 NXP Semiconductors, LPC2157_2158 Datasheet - Page 34

• Manufacturer Part Number: LPC2157_2158
• Description: The LPC2157/2158 is a multi-chip module consisting of a LPC2138/2148 single-chipmicrocontroller combined with a PCF8576D Universal LCD driver in a low-cost 100-pinpackage
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 7.
T
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10] Minimum condition for V
[11] Applies to P1[16] to P1[31].
[12] On pin VBAT.
[13] Optimized for low battery consumption.
[14] To V
[15] Includes external resistors of 18
LPC2157_2158_2
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
Please also see the errata note mentioned in errata sheet.
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.
= 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
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
pin to GND
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. 02 — 9 February 2009
range
I
= 5.5 V.
Single-chip 16-bit/32-bit microcontrollers
[15]
Min
0
0
0
-
-
0.2
0.8
0.8
-
2.8
-
29
1.1
LPC2157/2158
Typ
-
-
-
-
-
-
-
-
-
-
-
-
-
[1]
© NXP B.V. 2009. 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