Mizar32 memory map

The Mizar32's memory map is the same as that of the AT32UC3A chip, with the addition of the SDRAM on CS1:

Memory map

`0x00000000-0x00007FFF` `0x00000000-0x0000FFFF`	32KB internal RAM (Model C) 64KB internal RAM (Models A & B)
`0x80000000-0x8001FFFF` `0x80000000-0x8003FFFF` `0x80000000-0x8007FFFF`	128KB internal Flash memory (Model C) 256KB internal Flash memory (Model B) 512KB internal Flash memory (Model A)
`0x80800000-0x808001FF`	512 bytes Flash User Page (DFU boot loader config word is at `0x808001FC`)
`0xD0000000-0xD1FFFFFF`	32MB external SDRAM
`0xE0000000-0xE000FFFF`	64KB USB configuration
`0xFFFE0000-0xFFFEFFFF`	HSB-PB Bridge A
`0xFFFF0000-0xFFFFFFFF`	HSB-PB Bridge B