LPC1225FBD48 NXP Semiconductors, LPC1225FBD48 Datasheet - Page 47

• Manufacturer Part Number: LPC1225FBD48
• Description: The LPC1225FBD48 is an ARM Cortex-M0 based microcontroller for embedded applications featuring a high level of integration and low power consumption
• Manufacturer: NXP Semiconductors

NXP Semiconductors
LPC122X
Product data sheet
11.4 Internal oscillators
Table 14.
T
[1]
[2]
Table 15.
[1]
[2]
[3]
Symbol
f
Symbol Parameter
f
osc(RC)
osc(int)
amb
Fig 22. 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 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 LPC122x user manual.
=
f
osc(RC)
(MHz)

12.15
12.05
11.95
11.85
40
internal oscillator
frequency

Parameter
internal RC oscillator frequency
−40
Dynamic characteristic: internal oscillators
Dynamic characteristics: Watchdog oscillator
C to +85
VDD = 3.6 V
All information provided in this document is subject to legal disclaimers.
3.3 V
3.0 V

C; V
Rev. 2 — 26 August 2011
−15
DD(3V3)
Conditions
DIVSEL = 0x1F, FREQSEL = 0x1
in the WDTOSCCTRL register;
DIVSEL = 0x00, FREQSEL = 0xF
in the WDTOSCCTRL register
over specified ranges.
10
12 MHz + 1%
12 MHz − 1%
Conditions
-
32-bit ARM Cortex-M0 microcontroller
35
[1]
Min
11.88
amb
[2][3]
[2][3]
= 40 C to +85 C) is 40 %.
Min
-
-
60
temperature (°C)
Typ
12
[2]
Typ
7.8
1700
LPC122x
002aag020
© NXP B.V. 2011. All rights reserved.
[1]
Max
12.12
85
-
Max
-
Unit
MHz
47 of 61
Unit
kHz
kHz