Information
Register
access
Flash memory
Transfers
Flash memory
controller
Peripheral bus
controller 0
Figure 3-19. Flash memory configuration
Table 3-29. Reference links to related information
Topic Related module Reference
Full description Flash memory Flash memory
System memory map System memory map
Clocking Clock Distribution
Transfers Flash memory
controller
Flash memory controller
Register access Peripheral bridge Peripheral bridge
3.5.1.1 Flash memory types
This device contains the following types of flash memory:
• Program flash memory — non-volatile flash memory that can execute program code
• FlexMemory — encompasses the following memory types:
• FlexNVM — Non-volatile flash memory that can execute program code, store
data, or backup EEPROM data
• FlexRAM — RAM memory that can be used as traditional RAM or as high-
endurance EEPROM storage, and also accelerates flash programming
3.5.1.2 Flash Memory Sizes
The devices covered in this document contain:
• 1 block of program flash consisting of 1 KB sectors
• 1 block of FlexNVM consisting of 1 KB sectors
• 1 block of FlexRAM
The amounts of flash memory for the devices covered in this document are:
Chapter 3 Chip Configuration
K20 Sub-Family Reference Manual, Rev. 2, Feb 2012
Freescale Semiconductor, Inc. 85
