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DSP56857 датащи(PDF) 95 Page - Freescale Semiconductor, Inc |
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DSP56857 датащи(HTML) 95 Page - Freescale Semiconductor, Inc |
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95 / 662 page ![]() Memory Maps Overview, Rev. 4 Freescale Semiconductor 3-7 Figure 3-2. 56854 Memory Map Figure 3-3. 56855 Memory Map Program Space $000000 Prog RAM1 $1FFFFF Prog ROM $1F0400 $1F0000 External Memory2 Data Space $000000 Data RAM1 $1FFC00 On-Chip External Memory3 $1FFFFF Peripherals4 $FFFFFF External Memory $FFFF00 EOnCE $004000 $004000 1. Can be disabled resulting in this space being external memory. 2. In operating mode 2, chip select 0 is initially set to $040000 - $07FFFF. 3. In operating mode 0, chip select 0 is initially set to $040000 - $07FFFF. 4. The range of short I/O space is: $1FFFC0 - $1FFFFF. Reserved Program Space $000000 Prog RAM1 1. Can be disabled, in which case this space is external memory. $1FFFFF Prog ROM $1F0400 $1F0000 External Memory2 2. In operating mode 2, chip select 0 is initially set to $040000 - $07FFFF. Data Space $000000 $006000 Data RAM1 $1FFC00 On-Chip External Memory3 3. In operating mode 0, chip select 0 is initially set to $040000 - $07FFFF. $1FFFFF Peripherals4 4. The range of short I/O space is: $1FFFC0 - $1FFFFF. $FFFFFF External Memory $FFFF00 EOnCE $006000 Reserved |
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