Datasheet
LPC122X All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 2 — 26 August 2011 33 of 61
NXP Semiconductors
LPC122x
32-bit ARM Cortex-M0 microcontroller
[1] Typical ratings are not guaranteed. The values listed are at room temperature (25 C), nominal supply voltages.
[2] Including voltage on outputs in 3-state mode.
[3] V
DD(3V3)
and V
DD(IO)
supply voltages must be present.
[4] 3-state outputs go into 3-state mode when V
DD(IO)
is grounded.
[5] Allowed as long as the current limit does not exceed the maximum current allowed by the device.
[6] To V
SS
.
I
OH
HIGH-level output
current
low mode; V
OH
= V
DD(IO)
0.7
20 - - mA
high mode; V
OH
= V
DD(IO)
0.7
28 - - mA
I
OL
LOW-level output
current
V
OL
=0.4V
low mode
12 - - mA
high mode 18 - - mA
I
OLS
LOW-level
short-circuit output
current
V
OL
=V
DD
[5]
-- mA
I
pu
pull-up current V
I
=0V 50 80 100 A
I
2
C-bus pins (PIO0_10 and PIO0_11)
V
IH
HIGH-level input
voltage
0.7V
DD(IO)
--V
V
IL
LOW-level input
voltage
--0.3V
DD(I
O)
V
V
hys
hysteresis voltage - 0.05V
DD(IO)
-V
V
OL
LOW-level output
voltage
I
OLS
=20 mA - - 0.4 V
I
LI
input leakage current V
I
=V
DD(IO)
[6]
-24A
V
I
=5V - 10 22 A
C
i
capacitance for each
I/O pin
on pins PIO0_10 and
PIO0_11
--8pF
Oscillator pins
V
i(xtal)
crystal input voltage see Section 12.1 01.81.95V
V
o(xtal)
crystal output voltage 0 1.8 1.95 V
Table 7. Static characteristics
…continued
T
amb
=
40
C to +85
C, unless otherwise specified.
Symbol Parameter Conditions Min Typ
[1]
Max Unit