Question

The memory map for the ARM Cortex M3 is shown below in Figure 1. (10 pts) OxEOOFFFFF 0xE0OFF000 OxEC042000 0xE0041000 OxE0040000 ROM Table External PPB ETM TPIU OxFFFFFFF Vendor-specific 0xE0100000 Private peripheral bus External OxE0OFFFFF OxE0040000 Private peripheral bus - Internal 0xE003FFFR 0xE003FFFF 0xE000F000 0xE000E000 0xE0003000 Reserved System Control Space Reserved FPB DWT ITM 0xE0000000 OxDFFFFFFF External device 10GB 0xE0002000 0xE0001000 0xE0000000 0xA0000000 0x9FFFFFFF External RAM 10GB 0x43FFFFFF 32MB Bit band alias 0x42000000 0x60000000 0xSFFFFFFF 0x41FFFFFF 0x40100000 0x40000000 31MB Peripheral 05G8 MB Bit band region 0x40000000 0x3FFFFFFF 0x23FFFFFR SRAM 0 5GB 32MB Bit band alias 0x22000000 0x20000000 0x1FFFFFFF 0x21FFFFFR 0x20100000 0x20000000 1MB 31MB Code 0.5GB 0x00000000 Figure 1. ARM Cortex M3 Memory Map 6.1 What percentage of the SRAM is reserved for bit band aliases? (5 pts) 6.2 How much memory is reserved for the Internal private peripheral bus? (5 pts)

Answer 1

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