LPC11C22FBD48 NXP Semiconductors, LPC11C22FBD48 Datasheet - Page 45

• Manufacturer Part Number: LPC11C22FBD48
• Description: The LPC11C22FBD48 is an ARM Cortex-M0 microcontroller designed for 8/16-bit microcontroller applications, offering performance, low power, simple instruction set and memory addressing together with reduced code size compared to existing 8/16-bit arch
• Manufacturer: NXP Semiconductors

NXP Semiconductors
LPC11CX2_CX4
Product data sheet
10.3 Internal oscillators
Table 14.
T
[1]
[2]
Table 15.
[1]
[2]
[3]
Symbol
f
Symbol Parameter
f
osc(RC)
amb
osc(int)
Fig 19. Internal RC oscillator frequency versus temperature
Parameters are valid over operating temperature range unless otherwise specified.
Typical ratings are not guaranteed. The values listed are at room temperature (25 C), nominal supply
voltages.
Typical ratings are not guaranteed. The values listed are at room temperature (25 C), nominal supply
voltages.
The typical frequency spread over processing and temperature (T
See the LPC11Cx user manual.
=
(MHz)

12.15
12.05
11.95
11.85
40
f
internal oscillator
frequency
Conditions: Frequency values are typical values. 12 MHz 1 % accuracy is guaranteed for
2.7 V  V
fall outside the 12 MHz  1 % accuracy specification for voltages below 2.7 V.
Parameter
internal RC oscillator frequency -

−40
Dynamic characteristic: internal oscillators
Dynamic characteristics: Watchdog oscillator
C to +85
All information provided in this document is subject to legal disclaimers.
DD

 3.6 V and T
C; 2.7 V
VDD = 3.6 V
−15
Rev. 3 — 27 June 2011
3.3 V
3.0 V
2.7 V
2.4 V
2.0 V
Conditions
DIVSEL = 0x1F, FREQSEL = 0x1
in the WDTOSCCTRL register;
DIVSEL = 0x00, FREQSEL = 0xF
in the WDTOSCCTRL register

V
amb
DD
= 40 C to +85 C. Variations between parts may cause the IRC to

3.6 V.
10
Conditions
[1]
32-bit ARM Cortex-M0 microcontroller
35
Min
11.88
amb
LPC11Cx2/Cx4
[2][3]
[2][3]
= 40 C to +85 C) is 40 %.
Min
-
-
60
Typ
12
temperature (°C)
[2]
Typ
7.8
1700
002aaf403
© NXP B.V. 2011. All rights reserved.
[1]
Max
12.12
85
Max
-
-
45 of 62
MHz
Unit
Unit
kHz
kHz