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R5F3640MNFB Datasheet(PDF) 92 Page - Renesas Technology Corp |
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R5F3640MNFB Datasheet(HTML) 92 Page - Renesas Technology Corp |
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92 / 398 page ![]() REJ09B0392-0064 Rev.0.64 Oct 12, 2007 Page 71 of 373 Under development Preliminary Specification Specification in this preliminary version is subject to change. M16C/64 Group 9. Memory Space Expansion Function Figure 9.7 Relationship Between Addresses on 4-Mbyte ROM and Those on Microcomputer (1) 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 40000h 0 000000h Bank Number 0 BFFFFh 040000h 1 080000h 0 0C0000h 1 100000h 0 140000h 1 180000h 0 1C0000h 1 200000h 0 240000h 1 280000h 0 2C0000h 1 300000h 0 340000h 1 40000h 380000h 0 80000h 3C0000h C0000h 3C0000h D0000h Internal ROM access Internal ROM access Internal ROM access Internal ROM access A21 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 1 1 1 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 1 1 1 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 1 1 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 1 1 1 1 0 0 1 1 0 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 1 0 0 1 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 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 0 40000h BFFFFh 40000h BFFFFh 40000h BFFFFh 40000h BFFFFh 40000h BFFFFh 40000h BFFFFh 40000h BFFFFh 40000h BFFFFh 40000h BFFFFh 40000h BFFFFh 40000h BFFFFh 40000h BFFFFh 40000h BFFFFh 7FFFFh BFFFFh CFFFFh DFFFFh D0000h DFFFFh 07FFFFh 0BFFFFh 0FFFFFh 13FFFFh 17FFFFh 1BFFFFh 1FFFFFh 23FFFFh 27FFFFh 2BFFFFh 2FFFFFh 33FFFFh 37FFFFh 3BFFFFh 3BFFFFh 3FFFFFh 3CFFFFh 0 1 2 3 4 5 6 7 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 0000h FFFFh ROM address Microcomputer address OFS bit in DBR register = 0 OFS bit in DBR register = 1 Memory expansion mode where PM13 = 0 40000h BFFFFh 40000h BFFFFh 40000h BFFFFh 40000h BFFFFh 40000h BFFFFh 40000h BFFFFh 40000h BFFFFh 000000h 080000h 100000h 180000h 200000h 280000h 380000h 3FFFFFh 40000h BFFFFh 3C0000h 340000h 2C0000h 240000h 1C0000h 140000h 0C0000h 040000h bank 1 (512 Kbytes) bank 3 (512 Kbytes) bank 4 (512 Kbytes) bank 5 (512 Kbytes) bank 6 (512 Kbytes) Data only Program or data 300000h bank 0 (512 Kbytes) 40000h 40000h 40000h 40000h 40000h 40000h 40000h BFFFFh BFFFFh BFFFFh BFFFFh BFFFFh BFFFFh Program or data BFFFFh bank 0 (512 Kbytes) bank 1 (512 Kbytes) bank 2 (512 Kbytes) bank 3 (512 Kbytes) bank 4 (512 Kbytes) bank 5 (512 Kbytes) bank 6 (512 Kbytes) bank 7 (512 Kbytes) bank 2 (512 Kbytes) |
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