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R5F3640MNFB Datasheet(PDF) 93 Page - Renesas Technology Corp |
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R5F3640MNFB Datasheet(HTML) 93 Page - Renesas Technology Corp |
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93 / 398 page ![]() REJ09B0392-0064 Rev.0.64 Oct 12, 2007 Page 72 of 373 Under development Preliminary Specification Specification in this preliminary version is subject to change. M16C/64 Group 9. Memory Space Expansion Function Figure 9.8 Relationship Between Addresses on 4-Mbyte ROM and Those on Microcomputer (2) A20 A19 A18 N.C. A17 A16 A15 to A0 Address input for 4-Mbyte ROM 4-Mbyte ROM access area A18 CS Output Address Output OFS Access Area Output from the Microcomputer Pins CS3 CS2 CS1 A19 A17 A16 A15 to A0 000000h Bank Number 07FFFFh 080000h 0C0000h 100000h 140000h 180000h 1C0000h 200000h 240000h 280000h 2C0000h 300000h 340000h 380000h Internal ROM access 3C0000h Internal ROM access Internal ROM access Internal ROM access A21 03FFFFh 040000h 0BFFFFh 0FFFFFh 13FFFFh 17FFFFh 1BFFFFh 1FFFFFh 23FFFFh 27FFFFh 2BFFFFh 2FFFFFh 33FFFFh 37FFFFh 3BFFFFh 3FFFFFh 0 1 2 3 4 5 6 7 7 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 7FFFFh 80000h 40000h 7FFFFh 40000h 7FFFFh 40000h 7FFFFh 40000h 7FFFFh 40000h 7FFFFh 40000h 7FFFFh 40000h 7FFFFh 40000h 7FFFFh 40000h 7FFFFh 40000h 7FFFFh 40000h 7FFFFh 40000h 7FFFFh 40000h 7FFFFh 40000h 7FFFFh 40000h FFFFFh 80000h 7FFFFh 40000h FFFFFh 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0000h FFFFh 0000h FFFFh 0000h FFFFh 0000h FFFFh 0000h FFFFh 0000h FFFFh 0000h FFFFh 0000h FFFFh 0000h FFFFh 0000h FFFFh 0000h FFFFh 0000h FFFFh 0000h FFFFh 0000h FFFFh 0000h FFFFh 0000h FFFFh 1 1 1 0 0 Memory expansion mode where PM13 = 1 ROM address Microcomputer address 000000h 080000h 100000h 180000h 200000h 280000h 380000h 3FFFFFh 40000h 7FFFFh 3C0000h 340000h 2C0000h 240000h 1C0000h 140000h 0C0000h 040000h bank 0 (256 Kbytes) bank 1 (256 Kbytes) bank 1 (256 Kbytes) bank 2 (256 Kbytes) bank 2 (256 Kbytes) bank 3 (256 Kbytes) bank 3 (256 Kbytes) bank 4 (256 Kbytes) bank 4 (256 Kbytes) bank 5 (256 Kbytes) bank 5 (256 Kbytes) bank 6 (256 Kbytes) bank 6 (256 Kbytes) bank 7 (256 Kbytes) Data only 300000h bank 0 (256 Kbytes) OFS bit in DBR register = 0 OFS bit in DBR register = 1 40000h 7FFFFh 40000h 7FFFFh 40000h 7FFFFh 40000h 7FFFFh 40000h 7FFFFh 40000h 7FFFFh 40000h 7FFFFh 40000h 7FFFFh 40000h 7FFFFh 40000h 7FFFFh 40000h 7FFFFh 40000h 7FFFFh 40000h 7FFFFh 40000h 7FFFFh Program or data bank 7 (256 Kbytes) 40000h 7FFFFh Data only |
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