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H8/3003 Datasheet(PDF) 165 Page - Renesas Technology Corp |
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H8/3003 Datasheet(HTML) 165 Page - Renesas Technology Corp |
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165 / 715 page ![]() Address Multiplexing: Address multiplexing depends on the setting of the M9/ M8 bit in RFSHCR, as described in table 7-5. Figure 7-4 shows the address output timing. Address output is multiplexed only in area 3. Table 7-5 Address Multiplexing Address Pins A23 to A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 Address signals during row A23 to A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 address output M9/ M8 = 0 A23 to A10 A9 A9 A16 A15 A14 A13 A12 A11 A10 A0 M9/ M8 = 1 A23 to A10 A18 A17 A16 A15 A14 A13 A12 A11 A10 A0 Figure 7-4 Multiplexed Address Output (Example without Wait States) Address signals during column address output ø A to A , A A to A 23 9 0 8 1 T1 T2 T3 A to A Row address 8 1 A to A Column address 16 9 A to A , A 23 9 0 Address bus ø A to A , A A to A 23 10 0 9 1 T1 T2 T3 A to A Row address 9 1 A to A Column address 18 10 A to A , A 23 10 0 Address bus a. M9/ = 0 M8 b. M9/ = 1 M8 147 |
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