TWR-K60N512-KEIL Freescale Semiconductor, TWR-K60N512-KEIL Datasheet - Page 83
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TWR-K60N512-KEIL
Manufacturer Part Number
TWR-K60N512-KEIL
Description
K60N512 Keil Tower Kit
Manufacturer
Freescale Semiconductor
Series
Kinetisr
Type
MCUr
Datasheets
1.TWR-ELEV.pdf
(4 pages)
2.TWR-K60N512-KIT.pdf
(8 pages)
3.TWR-K60N512-KIT.pdf
(17 pages)
4.TWR-K60N512-KEIL.pdf
(181 pages)
Specifications of TWR-K60N512-KEIL
Rohs Compliant
YES
Contents
4 Boards, Documentation, DVD
Peak Reflow Compatible (260 C)
Yes
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
For Use With/related Products
Freescale Tower System, K60N512
- TWR-ELEV PDF datasheet
- TWR-K60N512-KIT PDF datasheet #2
- TWR-K60N512-KIT PDF datasheet #3
- TWR-K60N512-KEIL PDF datasheet #4
- Current page: 83 of 181
- Download datasheet (3Mb)
The bytes not assigned to data flash via the FlexNVM Partition Code are used by the
FTFL to obtain an effective endurance increase for the EEPROM data. The built-in
EEPROM record management system raises the number of program/erase cycles that can
be attained prior to device wear-out by cycling the EEPROM data through a larger
EEPROM NVM storage space.
The endurance factor of a subsystem can be calculated for a partitioned device using the
formula:
Where:
Endurance_Subsystem = Maximum writes to EERAM for a given subsystem
E-Flash = allocated EEPROM backup for each subsystem (min 16KB, max 128KB)
EEESPLIT = Split factor for subsystem (A/B=0.5/0.5 or 0.25/0.75 or 0.125/0.875)
EEESIZE = allocated RAM for EEE (min 32B, max 4KB)
Record_Efficiency = 0.5 for 16-bit and 32-bit writes, 0.25 for 8-bit writes
Endurance_Factor = 10000 native cycles
Example 1:
A Kinetis device configured as in example 2 with 2 subsystems of 2KB of EERAM
backed up by 128 KB of E-Flash, provides 310K cycles with 16-bit or 32-bit writes for
each subsystem.
Endurance_subsystem = ((E-Flash-2*EEESPLIT*EEESIZE)/(EEESPLIT*EEESIZE)) *
Record_Efficiency*Endurance_Factor
Endurance_subsystem = ((128K-2(.5)(4KB))/(.5(4KB))*.5*10,000
Endurance_subsystem = ((124KB)/2KB)*5000
Endurance_subsystem = (62*5000)
Endurance_subsystem = 310,000
Example 2:
A Kinetis device configured as in example 3 with a subsystem of 2KB of EE backed up
by 64 KB of E-Flash, provides 150K cycles with 16-bit or 32-bit writes.
Endurance_subsystem = ((E-Flash-2*EEESPLIT*EEESIZE)/(EEESPLIT*EEESIZE)) *
Record_Efficiency*Endurance_Factor
Freescale Semiconductor
Endurance_Subsystem = ((E-Flash-2*EEESPLIT*EEESIZE)/
(EEESPLIT*EEESIZE)) *Record_Efficiency*Endurance_Factor
Kinetis Quick Reference User Guide, Rev. 0, 11/2010
Chapter 8 Using the FlexMemory
83
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