General
2. V
DD
= 3.3 V, T
A
= 25 °C, f
OSC
= 8 MHz (crystal), f
SYS
= 48 MHz, f
BUS
= 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
2. Perform a keyword search for “EMC design.”
5.2.8 Capacitance attributes
Table 8. Capacitance attributes
Symbol
C
IN_A
C
IN_D
Description
Input capacitance: analog pins
Input capacitance: digital pins
Min.
—
—
Max.
7
7
Unit
pF
pF
5.3 Switching specifications
5.3.1 Device clock specifications
Symbol
f
SYS
f
BUS
f
FLASH
f
SYS_USB
f
LPTMR
f
SYS
f
BUS
f
FLASH
f
LPTMR
f
ERCLK
f
LPTMR_pin
Description
Normal run mode
System and core clock
Bus clock
Flash clock
System and core clock when Full Speed USB in
operation
LPTMR clock
VLPR mode
1
System and core clock
Bus clock
Flash clock
LPTMR clock
External reference clock
LPTMR clock
—
—
—
—
—
—
Table continues on the next page...
4
1
1
24
16
24
MHz
MHz
MHz
MHz
MHz
MHz
—
—
—
20
—
48
24
24
—
24
MHz
MHz
MHz
MHz
MHz
Min.
Max.
Unit
Notes
KL24 Sub-Family Data Sheet Data Sheet, Rev. 3, 9/19/2012.
Freescale Semiconductor, Inc.
21
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
