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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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HD6417618A 数据表(PDF) 218 Page - Renesas Technology Corp |
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HD6417618A 数据表(HTML) 218 Page - Renesas Technology Corp |
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218 / 646 page  Section 7 Bus State Controller (BSC) Rev. 6.00 Jun. 12, 2007 Page 186 of 610 REJ09B0131-0600 Tpcm1w CKIO A25 to A0 CExx RD/ WR RD D15 to D0 WE D15 to D0 BS Read Write Tpcm2 Tpcm0 Tpcm1 Tpcm1w Tpcm0w Tpcm2w Tpcm1w Tpcm1w WAIT Figure 7.32 Wait Timing for PCMCIA Memory Card Interface (TED[3:0] = B'0010, TEH[3:0] = B'0001, Software Wait = 1, Hardware Wait = 1) When 32 Mbytes of the memory space are used as an IC memory card interface, a port is used to generate the REG signal that switches between the common memory and attribute memory. When the memory space used for the IC memory card interface is 16 Mbytes or less, pin A24 can be used as the REG signal by allocating a 16-Mbyte common memory space and a 16-Mbyte attribute memory space alternatively. |
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