LPC1111 NXP [NXP Semiconductors], LPC1111 Datasheet - Page 43

• Manufacturer Part Number: LPC1111
• Description: 32-bit ARM Cortex-M0 microcontroller; up to 32 kB flash and 8 kB SRAM
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
LPC1111_12_13_14_1
Product data sheet
10.3 Internal oscillators
Table 12.
T
[1]
[2]
Table 13.
[1]
[2]
[3]
Symbol
f
Symbol Parameter
f
osc(RC)
amb
osc
Fig 20. Internal RC oscillator frequency vs. 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 LPC111x 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
Rev. 01 — 16 April 2010
−15
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
LPC1111/12/13/14
Min
11.88
amb
[2][3]
[2][3]
= −40 °C to +85 °C) is ±40 %.
Min
-
-
60
Typ
12
temperature (°C)
[2]
Typ
7.8
1700
© NXP B.V. 2010. All rights reserved.
002aaf403
[1]
Max
12.12
85
Max
-
-
43 of 59
MHz
Unit
Unit
kHz
kHz