EA-XPR-002 Embedded Artists, EA-XPR-002 Datasheet - Page 50

• Manufacturer Part Number: EA-XPR-002
• Description: BOARD LPCXPRESSO LPC1114
• Manufacturer: Embedded Artists
• Series: LPCXpressor
• Type: MCUr

Specifications of EA-XPR-002

• Contents: Board, Software
• For Use With/related Products: EA-XPR-021, ARM Cortex-M0
• For Use With: EA-XPR-021 - BOARD BASE LPCXPRESSO
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

NXP Semiconductors
LPC1111_12_13_14
Product data sheet
10.4 Internal oscillators
Table 14.
T
[1]
[2]
Table 15.
[1]
[2]
[3]
Symbol
f
Symbol Parameter
f
osc(RC)
osc(int)
amb
Fig 26. 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 LPC111x user manual.
= −40 °C to +85 °C; 2.7 V ≤ V
(MHz)
12.15
12.05
11.95
11.85
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
All information provided in this document is subject to legal disclaimers.
DD
≤ 3.6 V and T
VDD = 3.6 V
Rev. 4 — 10 February 2011
−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
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
002aaf403
© NXP B.V. 2011. All rights reserved.
[1]
Max
12.12
85
-
Max
-
50 of 66
Unit
MHz
Unit
kHz
kHz