MC9S12XD256MAL Datasheet, PDF (1106/1348 Pages) Freescale Semiconductor, Inc – Freescale’s Scalable Controller Area Network

Chapter 27 512 Kbyte Flash Module (S12XFTX512K4V2)
• Security feature to prevent unauthorized access to the Flash memory
• Code integrity check using built-in data compression
27.1.3 Modes of Operation
Program, erase, erase verify, and data compress operations (please refer to Section 27.4.1, “Flash
Command Operations” for details).
27.1.4 Block Diagram
A block diagram of the Flash module is shown in Figure 27-1.
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MC9S12XDP512 Data Sheet, Rev. 2.21
Freescale Semiconductor