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Chapter 2
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Supports RS232, RS485, or RS422 operation on each port
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Supports programmable word length, stop bits, and parity
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Supports 16-bit programmable baud-rate generator and a interrupt generator.
• USB Ports
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Provides two root USB hubs
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Provides up to four USB ports
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Supports USB boot devices
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Supports USB v2.0 EHCI and UHCI v1.1
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Supports over-current detection status
• Infrared Interface
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Supports IrDA 1.1 signals through Utility 2 connector
• Keyboard/Mouse Interface
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Provides PS/2 keyboard interface
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Provides PS/2 mouse interface
• Audio interface
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Provides an audio interface
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Provides AC'97 CODEC on board
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Supports AC'97 standard
• Ethernet Interface
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Provides two fully independent Ethernet ports
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Provides integrated LEDs on each port (Link/Activity and Speed)
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Provides Intel 82551ER and 82541(GI/PI ) controller chips
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Supports IEEE 802.3 10/100BaseT and 10/100/1000BaseT compatible physical layers
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Supports Auto-negotiation for speed, duplex mode, and flow control
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Supports full duplex or half-duplex mode
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Full-duplex mode supports transmit and receive frames simultaneously
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Supports IEEE 802.3x Flow control in full duplex mode
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Half-duplex mode supports enhance proprietary collision reduction mode
• Video Interfaces (CRT/LVDS)
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Support CRT (1600 x 1200) with up to 64MB UMA (Unified Memory Architecture)
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AGP 4X equivalent graphics performance
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Dual channel 9-, 12-, or 18-bit LVDS
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LVDS outputs (1 or 2 channel, four differential signals: 3-bits + clock)
• Miscellaneous
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Real-time clock (RTC) with replaceable battery
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Battery-free boot (Boots even if battery is dead or missing)
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Supports both on-board or external battery for Real Time Clock operation
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Thermal and Voltage monitoring
8
Reference Manual
Product Overview
LittleBoard 800
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