MK20DX32CLQ15 Просмотр технического описания (PDF) - Freescale Semiconductor
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MK20DX32CLQ15 Datasheet PDF : 75 Pages
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General
2. VDD = 3.3 V, TA = 25 °C, fOSC = 12 MHz (crystal), fSYS = 96 MHz, fBUS = 48 MHz
3. Specified according to Annex D of IEC Standard 61967-2, Measurement of Radiated Emissions—TEM Cell and Wideband
TEM Cell Method
5.2.7 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.”
5.2.8 Capacitance attributes
Table 8. Capacitance attributes
Symbol
CIN_A
CIN_D
Description
Input capacitance: analog pins
Input capacitance: digital pins
Min.
Max.
Unit
—
7
pF
—
7
pF
5.3 Switching specifications
5.3.1 Device clock specifications
Table 9. Device clock specifications
Symbol
fSYS
fSYS_USB
fBUS
FB_CLK
fFLASH
fLPTMR
Description
Normal run mode
System and core clock
System and core clock when Full Speed USB in
operation
Bus clock
FlexBus clock
Flash clock
LPTMR clock
Min.
—
20
—
—
—
—
Max.
100
—
50
50
25
25
Unit
MHz
MHz
MHz
MHz
MHz
MHz
Notes
K20 Sub-Family Data Sheet Data Sheet, Rev. 6, 9/2011.
Freescale Semiconductor, Inc.
19
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