LPC81XM datasheet(44/67 Pages) NXP

44 / 67 page

LPC81xM

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Objective data sheet

Rev. 1.0 — 7 November 2012

44 of 67

NXP Semiconductors

LPC81xM

32-bit ARM Cortex-M0+ microcontroller

11.4 Internal oscillators

[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.

Fig 25. External clock timing (with an amplitude of at least Vi(RMS) = 200 mV)

W&+&/

W&/&;

W&+&;

7F\FON

W&/&+

W&+&/

W&/&;

W&+&;

7F\FON

W&/&+

W&+&/

W&/&;

W&+&;

7F\FON

W&/&+

W&+&/

W&/&;

W&+&;

7F\FON

W&/&+

DDD

Table 13.

Dynamic characteristic: internal oscillators

Tamb = 40 C to +85 C; 2.7 V  VDD  3.6 V.[1]

Symbol

Parameter

Conditions

Min

Typ[2]

Max

Unit

fosc(RC)

internal RC oscillator frequency -

11.88

12.12

MHz

Conditions: Frequency values are typical values. <tbd>.

Fig 26. Internal RC oscillator frequency versus temperature

X (X)

001aac984

(X)

<tbd>

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