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PC912XDP512F0MPVR 데이터시트(PDF) 1148 Page - Freescale Semiconductor, Inc |
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PC912XDP512F0MPVR 데이터시트(HTML) 1148 Page - Freescale Semiconductor, Inc |
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1148 / 1348 page ![]() Chapter 28 256 Kbyte Flash Module (S12XFTX256K2V1) MC9S12XDP512 Data Sheet, Rev. 2.21 1150 Freescale Semiconductor • Security feature to prevent unauthorized access to the Flash memory • Code integrity check using built-in data compression 28.1.3 Modes of Operation Program, erase, erase verify, and data compress operations (please refer to Section 28.4.1, “Flash Command Operations” for details). 28.1.4 Block Diagram A block diagram of the Flash module is shown in Figure 28-1. Figure 28-1. FTX256K2 Block Diagram 28.2 External Signal Description The Flash module contains no signals that connect off-chip. FTX256K2 Flash Block 0 64K * 16 Bits Flash Block 1 64K * 16 Bits sector 0 sector 1 sector 127 sector 0 sector 1 sector 127 Oscillator Clock Divider Clock Command Interrupt Request FCLK Protection Security Command Pipeline cmd2 addr2 data2_0 cmd1 addr1 data1_0 Registers data2_1 data1_1 Flash Interface |
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