lpc11c12 NXP Semiconductors, lpc11c12 Datasheet - Page 35

• Manufacturer Part Number: lpc11c12
• Description: 32-bit Cortex-m0 Microcontroller; 16/32 Flash, Sram; C_can
• Manufacturer: NXP Semiconductors

NXP Semiconductors
LPC11C12_C14_0
Preliminary data sheet
10.3 Internal oscillators
Table 10.
T
[1]
[2]
Table 11.
[1]
[2]
[3]
Symbol
f
Symbol Parameter
f
osc(RC)
amb
osc
Fig 18. 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 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 -
°
Dynamic characteristic: internal oscillators
−40
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. 00.05 — 6 May 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]
35
Min
11.88
amb
LPC11C12/C14
[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
-
-
35 of 49
Unit
MHz
Unit
kHz
kHz