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ZEUS Technical Manual Appendix B - Specification
© 2007 Eurotech Ltd Issue D 98
Appendix B - 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
•
4x UART fast serial ports:
- 4x 16550 compatible UARTs (921.6 Kbaud):
- 1x RS422/485 (software selectable).
- 1x RS232/422/485 (software selectable).
- 2x RS232.
USB support
•
2x USB 1.1 host controller ports.
• USB 1.1 client controller port (software selectable on port 2).
Network support
•
2x 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.
Expansion interfaces
•
Compact Flash CF+ extension socket.
• SDIO socket to support MMC/SD/SDIO cards.
•
16-bit PC/104 interface.
Date/time support
•
Real time clock – battery backed on-board.
•
Accuracy +/- 1min/month.