S912XHZ512F1VAG Datasheet, PDF (132/978 Pages) Freescale Semiconductor, Inc – Covers MC9S12XHZ384, MC9S12XHZ256

Chapter 3 512 Kbyte Flash Module (S12XFTX512K4V3)
• Security feature to prevent unauthorized access to the Flash memory
• Code integrity check using built-in data compression
3.1.3 Modes of Operation
Program, erase, erase verify, and data compress operations (please refer to Section 3.4.1, “Flash Command
Operations” for details).
3.1.4 Block Diagram
A block diagram of the Flash module is shown in Figure 3-1.
MC9S12XHZ512 Data Sheet, Rev. 1.06
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