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LPC1766_0.02
© NXP B.V. 2008. All rights reserved.
Objective data sheet
Rev. 00.02 — 12 August 2008
48 of 70
NXP Semiconductors
LPC1766
Fast communication chip
11.3 Internal RC oscillator
[1]
Parameters are valid over operating temperature range unless otherwise specified.
[2]
Typical ratings are not guaranteed. The values listed are at room temperature (25
°C), nominal supply voltages.
Table 11.
Dynamic characteristic: internal RC oscillator
Tamb = −40 °C to +85 °C for industrial applications; VDD(3V3) over specified ranges.[1]
Symbol
Parameter
Conditions
Min
Typ[2]
Max
Unit
fosc(IRC)
IRC oscillator frequency
-
<tbd>
<tbd>
<tbd>
MHz
fosc(RTC)
RTC oscillator frequency
-
<tbd>
<tbd>
<tbd>
MHz
conditions: <tbd>
Fig 15. Internal RC oscillator frequency vs. temperature
conditions: <tbd>
Fig 16. Internal RC oscillator frequency vs. core voltage
temperature (
°C)
−40
85
60
10
35
−15
002aad983
4
4.1
foscIRC
(MHz)
3.9
tbd
core coltage VREG(3V3) (V)
2.4
3.6
002aad984
4
4.1
foscIRC
(MHz)
3.9
tbd
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