User manual

Appendix A - Specification
Issue E 89
Appendix A - Specification
Microprocessor
• PXA270 312/416/520MHz processor (520MHz as standard option).
Cache
• 32K data cache, 32K instruction cache, 2K mini data cache.
System memory
• Fixed on-board memory: 64/128MB/256MB SDRAM (32-bit wide SDRAM data bus).
Flash memory
• Fixed on-board memory: 32/64MB Flash.
SRAM
• 256KB of SRAM - battery backed on board.
• 256KB of SRAM internal to PXA270.
Serial ports
• Four UART fast serial ports:
- Four 16550 compatible UARTs (921.6 Kbaud):
- One RS422/485 (software selectable).
- One RS232/422/485 (software selectable).
- Two RS232.
USB support
• Two USB 1.1 host controller ports.
• USB 1.1 client controller port (software selectable on port 2).
Network support
• Two IEEE 802.3u 10/100Base-T Ethernet controllers.
• Option for external PoE.
Wireless support
• GPS with full PVT functionality on low profile add-on module.
• GSM/GPRS, iDEN, CDMA modem on low profile add-on module.
• IEEE802.15.4 / ZigBee radio interface on low profile add-on module.