VIPER Technical Manual | Detailed hardware description |
|
|
VIPER address map
VL
VL
VL
VL VL
VL VL VL
VL
PXA255 |
|
| Bus/register | Description |
chip selectPhysical address | width | |||
- | 0xA4000000 – 0xFFFFFFFF | - | Reserved | |
SDCS0 | 0xA0000000 – 0xA3FFFFFC | SDRAM, IC2&3 | ||
- | 0x4C000000 – 0x9FFFFFFF | - | Reserved | |
NA | 0x48000000 | – 0x4BFFFFFF | Memory Control Registers1 | |
NA | 0x44000000 | – 0x47FFFFFF | LCD Control Registers1 | |
NA | 0x40000000 | – 0x43FFFFFF | PXA255 Peripherals1 | |
- | 0x3C200400 – 0x3FFFFFFF | - | Reserved | |
NA | 0x3C000000 – 0x3C1FFFFF | PC/104 Memory Space | ||
- | 0x30000400 | – 0x3BFFFFFF | - | Reserved |
NA | 0x30000000 | – 0x300003FF | PC/104 I/O Space | |
NA | 0x20000000 | – 0x2FFFFFFF | CompactFLASH, PL5 | |
|
|
|
|
|
- | 0x14880000 | – 0x1FFFFFFF | - | Reserved |
CS5 | 0x14800000 | – 0x1487FFFF | SRAM (see page 2873H) | |
- | 0x14500002 | – 0x47FFFFFF | - | Reserved |
CS5 | 0x14500000 | – 0x14500001 | General purpose I/O (see page | |
|
|
|
| |
- | 0x14300020 | – 0x144FFFFF | - | Reserved |
CS5 | 0x14300010 | – 0x1430001F | COM4 (see page 65275H) | |
CS5 | 0x14300000 | – 0x1430000F | COM5 (see page 6527 H) | |
- | 0x14100006 | – 0x142FFFFF | - | Reserved |
CS5 | 0x14100004 | – 0x14100005 | PC104I2 Register (see page 31277H) | |
CS5 | 0x14100002 | – 0x14100003 | ICR Register (see page 31278H) | |
CS5 | 0x14100000 | – 0x14100001 | PC104I1 Register (see page 31279H) | |
- | 0x10000004 | – 0x140FFFFF | - | Reserved |
CS4 | 0x10000000 | – 0x100007FF | Ethernet Data port | |
- | 0x0C000004 – 0x0FFFFFFF | - | Reserved | |
CS3 | 0x0C000000 – 0x0C000002 | USB Host Controller | ||
- | 0x08000310 | – 0x0BFFFFFF | - | Reserved |
CS2 | 0x08000300 | – 0x0800030E | Ethernet I/O Space | |
- | 0x06000000 | – 0x080002FF | - | Reserved |
CS1 | 0x04000000 | – 0x05FFFFFE | FLASH Memory / Silicon Disk | |
|
|
|
|
|
- | 0x00100000 | – 0x03FFFFFF | - | Reserved |
CS0 | 0x00000000 | – 0x000FFFFE | Bootloader FLASH |
1Details of the internal registers are in the Intel Developer Manual on the Development Kit CD.
© 2007 Eurotech Ltd Issue E | 19 |