User manual

ZEUS user manual
Issue E
10
USB support
• Two USB 1.1 host controller ports supporting 12MB/s and 1.5MB/s speeds.
• Alternatively, one host channel may be configured as a USB 1.1 client controller port
supporting 12MB/s and 1.5MB/s speeds.
• Power switch included on board with 500mA current limit.
• Two USB A-type connectors for host ports.
• Header for client port.
Expansion interfaces
• CompactFlash CF+ socket to support Type I,II form factor CF+ cards.
• SDIO socket to support MMC/SD/SDIO cards.
• 16-bit PC/104 interface.
Date/time support
• Real time clock – battery backed on-board (external to PXA270).
Audio and touchscreen
• Wolfson WM9712L AC’97 compatible CODEC.!
• Line in, line out, microphone in, stereo amp out.
• Touchscreen support – 4/5-wire analogue resistive.
Quick Capture camera interface
• Intel Quick Capture technology.
• Header connector to a camera image sensor.
I
2
C bus
• Multi-master serial bus, header connection.
Configuration EPROM
• I
2
C EPROM for storing configuration data.
CAN bus
• Optional CAN 2.0B protocol controller and optoisolated transceiver.
Watchdog timer
• External to PXA270, generates reset on timeout. Timeout range 1ms-60s.
General I/O
• 16 general purpose I/O (20-pin header).