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R5F565N4FDFB 数据表(PDF) 51 Page - Renesas Technology Corp |
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R5F565N4FDFB 数据表(HTML) 51 Page - Renesas Technology Corp |
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51 / 190 page  R01DS0276EJ0100 Rev.1.00 Page 51 of 190 Aug 24, 2016 RX65N Group, RX651 Group 3. Address Space 3. Address Space 3.1 Address Space This MCU has a 4-Gbyte address space, consisting of the range of addresses from 0000 0000h to FFFF FFFFh. That is, linear access to an address space of up to 4 Gbytes is possible, and this contains both program and data areas. Figure 3.1 shows the memory maps in the respective operating modes. Accessible areas will differ according to the operating mode and states of control bits. Figure 3.1 Memory Map in Each Operating Mode Reserved area* 2 On-chip ROM (write only) Reserved area* 2 Reserved area* 2 Peripheral I/O registers On-chip RAM 0004 0000h Reserved area* 2 Peripheral I/O registers Peripheral I/O registers Reserved area* 2 Reserved area* 2 Peripheral I/O registers Reserved area* 2 Reserved area* 2 Peripheral I/O registers Reserved area* 2 On-chip RAM 0004 0000h Reserved area* 2 On-chip ROM (program ROM) (read only)* 3, *4 External address space (CS area) 0000 0000h 0008 0000h FFFF FFFFh On-chip RAM On-chip ROM (program ROM) (read only)* 3, *4 0010 0000h FFF0 0000h 0000 0000h 0008 0000h 0010 0000h 0800 0000h 1000 0000h External address space (SDRAM area) FFFF FFFFh FFF0 0000h On-chip ROM (option-setting memory) Reserved area* 2 On-chip ROM (read only) Reserved area* 2 007F E000h 0080 0000h 007F E000h 0080 0000h Standby RAM 000A 4000h Peripheral I/O registers 000A 6000h Standby RAM 000A 4000h Peripheral I/O registers 000A 6000h 0004 0000h Reserved area* 2 On-chip ROM (option-setting memory) Reserved area* 2 On-chip ROM (read only) Reserved area* 2 On-chip ROM (write only) FE7F 5D00h FE7F 5D80h FE7F 7D70h FE7F 7DA0h FE7F 5D00h FE7F 5D80h FE7F 7D70h FE7F 7DA0h 0100 0000h 007F 0000h 007E 0000h Reserved area* 2 External address space (CS area) External address space (CS area) Single-chip mode* 1 On-chip ROM enabled extended mode 0000 0000h 0008 0000h FFFF FFFFh On-chip ROM disabled extended mode 0010 0000h 0100 0000h 0800 0000h FF00 0000h External address space (SDRAM area) 1000 0000h Standby RAM 000A 4000h Peripheral I/O registers 000A 6000h 007F 0000h 007E 0000h Note 1. The address space in boot mode and USB boot mode is the same as the address space in single-chip mode. Note 2. Reserved areas should not be accessed. Note 3. The access cycle of the internal ROM area (program ROM) is 1 cycle, 2 cycles, and 3 cycles while the ROMWT[1:0] bits are 00b, 01b, and 10b respectively. Note 4. The capacity of ROM differs depending on the products. Code Flash Memory Capacity Address 1 Mbyte FFF0 0000h to FFFF FFFFh 768 Kbytes FFF4 0000h to FFFF FFFFh 512 Kbytes FFF8 0000h to FFFF FFFFh |
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