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ZEUS Technical Manual Detailed hardware description
© 2007 Eurotech Ltd Issue D 20
PXA270 processor
The ZEUS board is based on a PXA270 processor. The PXA270 processor is an
integrated system-on-a-chip microprocessor for high performance, low power portable
handheld and handset devices. It incorporates the Intel XScale technology with on-the-
fly voltage and frequency scaling and sophisticated power management.
The PXA270 processor complies with the ARM Architecture V5TE instruction set
(excluding floating point instructions) and follows the ARM programmer’s model. The
PXA270 processor also supports Intel Wireless MMX integer instructions in
applications such as those that accelerate audio and video processing.
The features of the PXA270 processor include:
• Intel XScale core.
• Power management.
• Internal memory - 256KB of on-chip RAM.
• Interrupt controller.
• Operating-system timers.
• Pulse-width modulation unit (PWM).
• Real time clock (RTC).
• General-purpose I/O (GPIO).
• Memory controller.
• DMA controller.
• Serial ports:
- 3x UART.
- Fast infrared port.
- I2C bus port.
- AC97 Codec interface.
- I2S Codec Interface.
- USB host controller (2 ports).
- USB client controller.
- 3x synchronous serial ports (SSP).
• LCD panel controller.
• Multimedia card, SD memory card and SDIO card controller.
• Memory stick host controller.
• Mobile scalable link (MSL) interface.
• Keypad interface.
• Universal subscriber identity module (USIM) interface.
• Quick Capture camera interface.
• JTAG interface.
• 356-pin VF-BGA packaging.