K61P256M120SF3_1210 Datasheet, PDF (23/94 Pages) Freescale Semiconductor, Inc – K61 Sub-Family

General
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 www.freescale.com.
2. Perform a keyword search for “EMC design.”
5.2.8 Capacitance attributes
Table 8. Capacitance attributes
Symbol
C_{IN_A}
C_{IN_D}
C_{IN_D_io60}
Description
Input capacitance: analog pins
Input capacitance: digital pins
Input capacitance: fast digital pins
Min.
Max.
Unit
—
7
pF
—
7
pF
—
9
pF
5.3 Switching specifications
5.3.1 Device clock specifications
Table 9. Device clock specifications
Symbol
f_SYS
f_{SYS_USBFS}
f_{SYS_USBHS}
f_ENET
Description
Normal run mode
System and core clock
System and core clock when Full Speed USB in
operation
System and core clock when High Speed USB in
operation
System and core clock when ethernet in operation
• 10 Mbps
• 100 Mbps
f_BUS
FB_CLK
f_FLASH
f_DDR
f_LPTMR
Bus clock
FlexBus clock
Flash clock
DDR clock
LPTMR clock
VLPR mode¹
Min.
—
20
60
5
50
—
—
—
—
—
Max.
120
—
—
—
—
60
50
25
150
25
Table continues on the next page...
Freescale Semiconductor, Inc.
K61 Sub-Family Data Sheet, Rev. 4, 10/2012.
Unit
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
Notes
23