LPC1225FBD48321 datasheet(52/60 Pages) NXP | 32-bit ARM Cortex-M0 microcontroller; up to 128 kB flash and 8 kB SRAM

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LPC122X

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Objective data sheet

Rev. 1.1 — 21 February 2011

52 of 60

NXP Semiconductors

LPC122x

32-bit ARM Cortex-M0 microcontroller

12.3 ElectroMagnetic Compatibility (EMC)

Radiated emission measurements according to the IEC61967-2 standard using the

TEM-cell method are shown for the LPC1227FBD64/301 in Table 17.

[1]

IEC levels refer to Appendix D in the IEC61967-2 Specification.

Table 17.

ElectroMagnetic Compatibility (EMC) for part LPC1227FBD64/301 (TEM-cell

method)

VDD = 3.3 V; Tamb = 25 C.

Parameter

Frequency band

System clock =

Unit

12 MHz

24 MHz

33 MHz

Input clock: IRC (12 MHz)

maximum

peak level

150 kHz - 30 MHz

<tbd>

V

30 MHz - 150 MHz

<tbd>

V

150 MHz - 1 GHz

<tbd>

V

IEC level[1]

<tbd>

Input clock: crystal oscillator (12 MHz)

maximum

peak level

150 kHz - 30 MHz

<tbd>

V

30 MHz - 150 MHz

<tbd>

V

150 MHz - 1 GHz

<tbd>

V

IEC level[1]

<tbd>

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