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DS89C430 데이터시트(PDF) 32 Page - Dallas Semiconductor |
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DS89C430 데이터시트(HTML) 32 Page - Dallas Semiconductor |
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32 / 46 page ![]() DS89C430/DS89C450 Ultra-High-Speed Flash Microcontrollers 32 of 46 Table 7. Page Mode 1, Data Memory Cycle Stretch Values (PAGES1:PAGES0 = 00) RD/WR PULSE WIDTH (IN NUMBER OF OSCILLATOR CLOCKS) MD2:MD0 STRETCH CYCLES 4X/ 2X, CD1, CD0 = 100 4X/ 2X, CD1, CD0 = 000 4X/ 2X, CD1, CD0 = X10 4X/ 2X, CD1, CD0 = X11 000 0 0.25 0.5 1 1024 001 1 0.75 1.5 3 3072 010 2 1.75 3.5 7 7168 011 3 2.75 5.5 11 11,264 100 7 3.75 7.5 15 15,360 101 8 4.75 9.5 19 19,456 110 9 5.75 11.5 23 23,552 111 10 6.75 13.5 27 27,648 Table 8. Page Mode 1, Data Memory Cycle Stretch Values (PAGES1:PAGES0 = 01) RD/WR PULSE WIDTH (IN NUMBER OF OSCILLATOR CLOCKS) MD2:MD0 STRETCH CYCLES 4X/ 2X, CD1, CD0 = 100 4X/ 2X, CD1, CD0 = 000 4X/ 2X, CD1, CD0 = X10 4X/ 2X, CD1, CD0 = X11 000 0 0.25 0.5 1 1024 001 1 0.75 1.5 3 3072 010 2 1.75 3.5 7 7168 011 3 2.75 5.5 11 11,264 100 7 3.75 7.5 15 15,360 101 8 4.75 9.5 19 19,456 110 9 5.75 11.5 23 23,552 111 10 6.75 13.5 27 27,648 Table 9. Page Mode 1, Data Memory Cycle Stretch Values (PAGES1:PAGES0 = 10) RD/WR PULSE WIDTH (IN NUMBER OF OSCILLATOR CLOCKS) MD2:MD0 STRETCH CYCLES 4X/ 2X, CD1, CD0 = 100 4X/ 2X, CD1, CD0 = 000 4X/ 2X, CD1, CD0 = X10 4X/ 2X, CD1, CD0 = X11 000 0 0.5 1 2 2048 001 1 1 2 4 4096 010 2 2 4 8 8192 011 3 3 6 12 12,288 100 7 4 8 16 16,384 101 8 5 10 20 20,480 110 9 6 12 24 24,576 111 10 7 14 28 28,672 |
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