MC9S12HZ256 Datasheet, PDF (58/692 Pages) Freescale Semiconductor, Inc – HCS12 Microcontrollers

Chapter 2 256 Kbyte Flash Module (FTS256K2V1)
• Single power supply for all Flash operations including program and erase
• Security feature to prevent unauthorized access to the Flash memory
• Code integrity check using built-in data compression
2.1.3 Modes of Operation
Program, erase, erase verify, and data compress operations (please refer to Section 2.4.1 for details).
2.1.4 Block Diagram
A block diagram of the Flash module is shown in Figure 2-1.
MC9S12HZ256 Data Sheet, Rev. 2.04
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