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K20P121M100SF2 Datasheet, PDF (18/68 Pages) Freescale Semiconductor, Inc – Up to 100 MHz ARM Cortex-M4 core with DSP instructions delivering 1.25 Dhrystone MIPS per MHz | |||
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General
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 EmissionsâTEM Cell and Wideband
TEM Cell Method, and SAE Standard J1752-3, Measurement of Radiated Emissions from Integrated CircuitsâTEM/
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 EmissionsâTEM Cell and Wideband
TEM Cell Method, and Appendix D of SAE Standard J1752-3, Measurement of Radiated Emissions from Integrated
CircuitsâTEM/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 âEMC design.â
5.1.8 Capacitance attributes
Table 8. Capacitance attributes
Symbol
CIN_A
CIN_D
Description
Input capacitance: analog pins
Input capacitance: digital pins
Min.
Max.
Unit
â
7
pF
â
7
pF
5.2 Switching specifications
5.2.1 Device clock specifications
Symbol
fSYS
fSYS_USB
fBUS
FB_CLK
fFLASH
fSYS
Description
System and core clock
Normal run mode
Min.
â
System and core clock when USB in operation
20
Bus clock
â
FlexBus clock
â
Flash clock
â
System and core clock
VLPR mode
â
Table continues on the next page...
Max.
100
â
50
50
25
2
Unit
MHz
MHz
MHz
MHz
MHz
MHz
Notes
K20 Sub-Family Data Sheet Data Sheet, Rev. 4, 3/2011.
18
Preliminary
Freescale Semiconductor, Inc.
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