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M32C83T Datasheet(PDF) 385 Page - Renesas Technology Corp |
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M32C83T Datasheet(HTML) 385 Page - Renesas Technology Corp |
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385 / 527 page ![]() Page 362 8 8 4 f o 6 0 0 2 , 1 3 . n a J 1 3 . 1 . v e R 1 3 1 0 - 4 3 0 0 B 9 0 J E R 23. DRAMC ) T 3 8 / C 2 3 M , 3 8 / C 2 3 M ( p u o r G 3 8 / C 2 3 M A9 (A20) (A19) A18 A17 A16 A15 A14 A13 A12 A11 A10 A0 (A22) (A22) A8 A7 A6 A5 A4 A3 A2 A1 (1) In 8-bit Bus Mode (A9) (A20) (A19) (A18) (A17) (A16) (A15) (A14) (A13) (A12) (A11) (A10) Address used for 512K-byte and 1M-byte DRAM area Address used for 2M-byte and 4M-byte DRAM area Address used for 8M-byte DRAM area MA1 MA12 MA11 MA10 MA9 MA8 MA7 MA6 MA5 MA4 MA3 MA2 A9 (A20) A18 A17 A16 A15 A14 A13 A12 A11 A10 A0 (A22) A8 A7 A6 A5 A4 A3 A2 A1 A19 A19 A20 A21 A9 A18 A17 A16 A15 A14 A13 A12 A11 A10 A0 (A22) A8 A7 A6 A5 A4 A3 A2 A1 A19 A21 A22 A20 (A9) (A20) (A19) A18 A17 A16 A15 A14 A13 A12 A11 A10 (A0) (A22) (A20) A8 A7 A6 A5 A4 A3 A2 A1 (2) In 16-bit Bus Mode (A9) (A20) (A19) (A18) (A17) (A16) (A15) (A14) (A13) (A12) (A11) (A10) Pin Function MA1 MA12 MA11 MA10 MA9 MA8 MA7 MA6 MA5 MA4 MA3 MA2 (A9) (A20) A18 A17 A16 A15 A14 A13 A12 A11 A10 (A0) (A22) A8 A7 A6 A5 A4 A3 A2 A1 A19 A9 A9 A20 (A9) A18 A17 A16 A15 A14 A13 A12 A11 A10 (A0) A8 A7 A6 A5 A4 A3 A2 A1 Row Address A19 A9 A21 A20 A22 ( ): disabled bits, :bits which output addresses changed by data bus width and the DRAM area –: indetermimate NOTES: 1. The above applies when using a 4Mx1 or 4Mx4 memory configuration. When using a 4Mx16 configuration, implement the following combinations: For row addresses, MA0 to MA12; for column addresses, MA2 to MA8, MA11 and MA12. Or for row addresses, MA1 to MA12; for column addresses, MA2 to MA9, MA11 and MA12. – – (A8) MA0 – – – – – – (A8) MA0 – – – – Row Address Row Address Pin Function Row Address Row Address Row Address Column Address Column Address Column Address Column Address Column Address Column Address Address used for 4M-byte and 8M-byte(1) DRAM area Address used for 512K-byte DRAM area Address used for 1M-byte and 2M-byte DRAM area Figure 23.2 Multiplexed Address Output Pattern |
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