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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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65C датащи(PDF) 27 Page - Renesas Technology Corp |
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65C датащи(HTML) 27 Page - Renesas Technology Corp |
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27 / 112 page  R01DS0015EJ0100 Rev.1.00 Page 27 of 109 Feb 07, 2011 M16C/65C Group 3. Address Space 3. Address Space 3.1 Address Space The M16C/65C Group has a 1 MB address space from 00000h to FFFFFh. Address space is expandable to 4 MB with the memory area expansion function. Addresses 40000h to BFFFFh can be used as external areas from bank 0 to bank 7. Figure 3.1 shows the Address Space. Areas that can be accessed vary depending on processor mode and the status of each control bit. Figure 3.1 Address Space Bank 7 Bank 6 Bank 5 Bank 4 Bank 3 Bank 2 Bank 1 In 4 MB mode Internal RAM Reserved area 00000h 0D000h SFR 00400h SFR 0D800h Internal ROM (data flash) 0E000h Internal ROM (program ROM 2) 10000h Reserved area Internal ROM (program ROM 1) 14000h FFFFFh Reserved area 28000h 27000h External area External area External area 40000h BFFFFh Bank 0 04000h External area The internal RAM is allocated from address 00400h higher. Program ROM 1 is allocated from address FFFFFh lower. When data flash is enabled When program ROM 2 is enabled Memory expansion mode 1 MB address space 512 KB × 8 Notes: 1. Do not access reserved areas. 2. The figure above applies under the following condition: - The PM13 bit in the PM1 register is 0 (addresses 04000h to 0CFFFh and 80000h to CFFFFh are used as external areas) D0000h |
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