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