VIPER Technical Manual

VIPER Technical ManualDetailed hardware descriptionVIPER address mapVLVLVLVLVLVLVLVLVLPXA255chipselectPhysical addressBus/registerwidthDescription- 0xA4000000 – 0xFFFFFFFF - ReservedSDCS0 0xA0000000 – 0xA3FFFFFC 32-bit SDRAM, IC2&3- 0x4C000000 – 0x9FFFFFFF - ReservedNA 0x48000000 – 0x4BFFFFFF 32-bit Memory Control Registers 1NA 0x44000000 – 0x47FFFFFF 32-bit LCD Control Registers 1NA 0x40000000 – 0x43FFFFFF 32-bit PXA255 Peripherals 1- 0x3C200400 – 0x3FFFFFFF - ReservedNA 0x3C000000 – 0x3C1FFFFF 8/16-bit PC/104 Memory Space- 0x30000400 – 0x3BFFFFFF - ReservedNA 0x30000000 – 0x300003FF 8/16-bit PC/104 I/O SpaceNA 0x20000000 – 0x2FFFFFFF 32-bit CompactFLASH, PL5- 0x14880000 – 0x1FFFFFFF - ReservedCS5 0x14800000 – 0x1487FFFF 16-bit SRAM (see page 28)- 0x14500002 – 0x47FFFFFF - ReservedCS5 0x14500000 – 0x14500001 16-bit General purpose I/O (see page57)- 0x14300020 – 0x144FFFFF - ReservedCS5 0x14300010 – 0x1430001F 16-bit COM4 (see page 65)CS5 0x14300000 – 0x1430000F 16-bit COM5 (see page 65)- 0x14100006 – 0x142FFFFF - ReservedCS5 0x14100004 – 0x14100005 16-bit PC104I2 Register (see page 31)CS5 0x14100002 – 0x14100003 16-bit ICR Register (see page 31)CS5 0x14100000 – 0x14100001 16-bit PC104I1 Register (see page 31)- 0x10000004 – 0x140FFFFF - ReservedCS4 0x10000000 – 0x100007FF 32-bit Ethernet Data port- 0x0C000004 – 0x0FFFFFFF - ReservedCS3 0x0C000000 – 0x0C000002 16-bit USB Host Controller- 0x08000310 – 0x0BFFFFFF - ReservedCS2 0x08000300 – 0x0800030E 16-bit Ethernet I/O Space- 0x06000000 – 0x080002FF - ReservedCS1 0x04000000 – 0x05FFFFFE 16-bit FLASH Memory / Silicon Disk- 0x00100000 – 0x03FFFFFF - ReservedCS0 0x00000000 – 0x000FFFFE 16-bit Bootloader FLASH1Details of the internal registers are in the Intel Developer Manual on the Development Kit CD.© 2007 Arcom Issue D 19