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SH7014 Datasheet(PDF) 136 Page - Renesas Technology Corp |
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SH7014 Datasheet(HTML) 136 Page - Renesas Technology Corp |
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136 / 754 page  8. Bus State Controller (BSC) Rev.5.00 Sep. 27, 2007 Page 102 of 716 REJ09B0398-0500 8.1.2 Block Diagram Figure 8.1 shows the BSC block diagram. WCR1 WCR2 BCR1 BCR2 DCR RD CMI interrupt request WAIT RTCSR RTCNT RTCOR Interrupt controller Bus interface Area control unit Comparator CS0 to CS3 AH RDWR Wait control unit Memory control unit WRH, WRL CASH, CASL RAS BSC Legend: WCR1: WCR2: BCR1: BCR2: Wait control register 1 Wait control register 2 Bus control register 1 Bus control register 2 DCR: RTCNT: RTCOR: RTCSR: DRAM area control register Refresh timer counter Refresh timer constant register Refresh timer control/status register Figure 8.1 BSC Block Diagram |
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