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VIPER Technical Manual Detailed hardware description
© 2007 Eurotech Ltd Issue E 19
VIPER address map
PXA255
chip select
Physical address
Bus/register
width Description
- 0xA4000000 – 0xFFFFFFFF - Reserved
SDCS0 0xA0000000 – 0xA3FFFFFC 32-bit SDRAM, IC2&3
- 0x4C000000 – 0x9FFFFFFF - Reserved
NA 0x48000000 – 0x4BFFFFFF 32-bit Memory Control Registers
1
NA 0x44000000 – 0x47FFFFFF 32-bit LCD Control Registers
1
NA 0x40000000 – 0x43FFFFFF 32-bit PXA255 Peripherals
1
- 0x3C200400 – 0x3FFFFFFF - Reserved
NA 0x3C000000 – 0x3C1FFFFF 8/16-bit PC/104 Memory Space
- 0x30000400 – 0x3BFFFFFF - Reserved
NA 0x30000000 – 0x300003FF 8/16-bit PC/104 I/O Space
NA 0x20000000 – 0x2FFFFFFF 32-bit CompactFLASH, PL5
- 0x14880000 – 0x1FFFFFFF - Reserved
CS5 0x14800000 – 0x1487FFFF 16-bit SRAM (see page
273H28)
- 0x14500002 – 0x47FFFFFF - Reserved
CS5 0x14500000 – 0x14500001 16-bit General purpose I/O (see page
274H57)
- 0x14300020 – 0x144FFFFF - Reserved
CS5 0x14300010 – 0x1430001F 16-bit COM4 (see page
275H65)
CS5 0x14300000 – 0x1430000F 16-bit COM5 (see page
276H65)
- 0x14100006 – 0x142FFFFF - Reserved
CS5 0x14100004 – 0x14100005 16-bit
PC104I2 Register (see page
277H31)
CS5 0x14100002 – 0x14100003 16-bit ICR Register (see page
278H31)
CS5 0x14100000 – 0x14100001 16-bit PC104I1 Register (see page
279H31)
- 0x10000004 – 0x140FFFFF - Reserved
CS4 0x10000000 – 0x100007FF 32-bit Ethernet Data port
- 0x0C000004 – 0x0FFFFFFF - Reserved
CS3 0x0C000000 – 0x0C000002 16-bit USB Host Controller
- 0x08000310 – 0x0BFFFFFF - Reserved
CS2 0x08000300 – 0x0800030E 16-bit Ethernet I/O Space
- 0x06000000 – 0x080002FF - Reserved
CS1 0x04000000 – 0x05FFFFFE 16-bit FLASH Memory / Silicon Disk
- 0x00100000 – 0x03FFFFFF - Reserved
CS0 0x00000000 – 0x000FFFFE 16-bit Bootloader FLASH
1
Details of the internal registers are in the Intel Developer Manual on the Development Kit CD.
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