29.1.1 Features
The flash memory module includes the following features.
NOTE
See the device's Chip Configuration details for the exact
amount of flash memory available on your device.
29.1.1.1 Program Flash Memory Features
• Sector size of 2 KB
• Program flash protection scheme prevents accidental program or erase of stored data
• Program flash access control scheme prevents unauthorized access to selected code
segments
• Automated, built-in, program and erase algorithms with verify
• Read access to one program flash block is possible while programming or erasing
data in the other program flash block
29.1.1.2
Other Flash Memory Module Features
• Internal high-voltage supply generator for flash memory program and erase
operations
• Optional interrupt generation upon flash command completion
• Supports MCU security mechanisms which prevent unauthorized access to the flash
memory contents
29.1.2
Block Diagram
The block diagram of the flash memory module is shown in the following figure.
Introduction
K22F Sub-Family Reference Manual, Rev. 4, 08/2016
630 NXP Semiconductors
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