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32186 Datasheet(PDF) 150 Page - Renesas Technology Corp |
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32186 Datasheet(HTML) 150 Page - Renesas Technology Corp |
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150 / 1032 page  6 INTERNAL MEMORY 6-8 32185/32186 Group Hardware Manual Rev.1.10 REJ09B0235-0110 May 15, 07 6.3 Internal RAM Protect Function If a write cycle to any other area occurs during this interval, the value that was set in the RAMWRCNTPRO bits is not reflected. (Note 1) RAMWRCNTP "1" RAMWRCNTP "0" RAMWRCNTPRO Set value • Example of correct settings • Cases where settings have no effect Because a write cycle to other area exists, the set value is not reflected. (Note 1) RAMWRCNTP "1" Write to other area (1) (2) RAMWRCNTP "1" RAMWRCNTP "1" Because these two consecutive writes comprise a pair, the next set value is not reflected. RAMWRCNTP "0" RAMWRCNTPRO Set value RAMWRCNTP "0" RAMWRCNTPRO Set value Note 1: The writing cycle to the other area is the writing cycle from CPU, DMA, SDI (tool), NBD to any other area. The writing cycle from RTD and DRI are not effected. Figure 6.3.1 RAMWRCNTPRO Setting Procedure |
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