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| 型号： | MK20X256VMD100 |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, FLASH, 100 MHz, RISC MICROCONTROLLER, PBGA144 |
| 封装： | 13 X 13 MM, MAPBGA-144 |
| 文件页数： | 11/74页 |
| 文件大小： | 1849K |
| 代理商： | MK20X256VMD100 |
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5.1.6 EMC radiated emissions operating behaviors
Table 7. EMC radiated emissions operating behaviors
Symbol
Description
Frequency
band (MHz)
Typ.
Unit
Notes
VRE1
Radiated emissions voltage, band 1
0.15–50
TBD
dBμV
VRE2
Radiated emissions voltage, band 2
50–150
TBD
VRE3
Radiated emissions voltage, band 3
150–500
TBD
VRE4
Radiated emissions voltage, band 4
500–1000
TBD
VRE_IEC_SAE IEC and SAE level
0.15–1000
TBD
—
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, 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, and SAE Standard J1752-3, Measurement of Radiated Emissions from Integrated Circuits—TEM/
Wideband TEM (GTEM) Cell Method.
2. VDD = 3 V, TA = 25 °C, fOSC = 12 MHz (crystal), fSYS = 96 MHz
3. Specified according to Annex D of IEC Standard 61967-2, Measurement of Radiated Emissions—TEM Cell and Wideband
TEM Cell Method, and Appendix D of SAE Standard J1752-3, Measurement of Radiated Emissions from Integrated
Circuits—TEM/Wideband TEM (GTEM) Cell Method.
5.1.7 Designing with radiated emissions in mind
To find application notes that provide guidance on designing your system to minimize
interference from radiated emissions:
1. Go to http://www.freescale.com.
2. Perform a keyword search for “EMC design.”
5.1.8 Capacitance attributes
Table 8. Capacitance attributes
Symbol
Description
Min.
Max.
Unit
CIN_A
Input capacitance: analog pins
—
7
pF
CIN_D
Input capacitance: digital pins
—
7
pF
5.2 Switching specifications
General
K20 Sub-Family Data Sheet Data Sheet, Rev. 4, 3/2011.
Freescale Semiconductor, Inc.
Preliminary
19
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