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H8SX/1663 Datasheet(PDF) 979 Page - Renesas Technology Corp |
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H8SX/1663 Datasheet(HTML) 979 Page - Renesas Technology Corp |
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979 / 1158 page  Section 21 Flash Memory (0.18- µm F-ZTAT Version) Rev.1.00 Jun. 07, 2006 Page 927 of 1102 REJ09B0294-0100 21.9 Flash Memory Emulation Using RAM For realtime emulation of the data written to the flash memory using the on-chip RAM, the on- chip RAM area can be overlaid with several flash memory blocks (user MAT) using the RAM emulation register (RAMER). The overlaid area can be accessed from both the user MAT area specified by RAMER and the overlaid RAM area. The emulation can be performed in user mode and user program mode. Figure 21.17 shows an example of emulating realtime programming of the user MAT. Emulation program start Set RAMER Write tuning data to overlaid RAM area Execute application program Tuning OK? Cancel setting in RAMER Program emulation block in user MAT Emulation program end Yes No Figure 21.17 RAM Emulation Flow |
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