Datasheet
LPC11E6X All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 1.2 — 21 May 2014 59 of 89
NXP Semiconductors
LPC11E6x
32-bit ARM Cortex-M0+ microcontroller
[2] Typical ratings are not guaranteed. The values listed are for room temperature (25 C), nominal supply
voltages.
12.3 Internal oscillators
[1] Parameters are valid over operating temperature range unless otherwise specified.
[2] Typical ratings are not guaranteed. The values listed are for room temperature (25 C), nominal supply
voltages.
Fig 29. External clock timing (with an amplitude of at least V
i(RMS)
= 200 mV)
W
&+&/
W
&/&;
W
&+&;
7
F\FON
W
&/&+
W
&+&/
W
&/&;
W
&+&;
7
F\FON
W
&/&+
W
&+&/
W
&/&;
W
&+&;
7
F\FON
W
&/&+
W
&+&/
W
&/&;
W
&+&;
7
F\FON
W
&/&+
DDD
Table 13. Dynamic characteristics: IRC
T
amb
=
40
C to +105
C; 2.7 V
V
DD
3.6 V
[1]
.
Symbol Parameter Conditions Min Typ
[2]
Max Unit
f
osc(RC)
internal RC
oscillator
frequency
25 C T
amb
+85 C 12 - 1 % 12 12 + 1 % MHz
40 C T
amb
< 25 C 12 - 2 % 12 12 + 1 % MHz
85 C < T
amb
105 C 12 - 1.5 % 12 12 + 1.5 % MHz
Conditions: Frequency values are typical values. 12 MHz 1 % accuracy is guaranteed for
2.7 V V
DD
3.6 V and T
amb
= 25 C to +85 C. Variations between parts may cause the IRC to
fall outside the 12 MHz 1 % accuracy specification for voltages below 2.7 V.
Fig 30. Typical Internal RC oscillator frequency versus temperature
DDD
WHPSHUDWXUH&
II
0+]0+]0+]
999
999
999
999