General
Figure 3. VLPR mode supply current vs. core frequency
5.2.6 EMC radiated emissions operating behaviors
Table 7. EMC radiated emissions operating behaviors for 64LQFP
Symbol
Description
Frequency
band (MHz)
Typ.
Unit
Notes
VRE1
VRE2
Radiated emissions voltage, band 1
Radiated emissions voltage, band 2
Radiated emissions voltage, band 3
Radiated emissions voltage, band 4
IEC level
0.15–50
50–150
19
21
19
11
L
dBμV
dBμV
dBμV
dBμV
—
1 , 2
VRE3
150–500
500–1000
0.15–1000
VRE4
VRE_IEC
2, 3
1. Determined according to IEC Standard 61967-1, Integrated Circuits - Measurement of Electromagnetic Emissions, 150
kHz to 1 GHz Part 1: General Conditions and Definitions and IEC Standard 61967-2, Integrated Circuits - Measurement of
Electromagnetic Emissions, 150 kHz to 1 GHz Part 2: Measurement of Radiated Emissions—TEM Cell and Wideband
TEM Cell Method. Measurements were made while the microcontroller was running basic application code. The reported
K20 Sub-Family Data Sheet, Rev. 4 5/2012.
18
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FREESCALE [ Freescale ]
