面向行业手持设备的嵌入式Linux软件平台工程 嵌入式Linu统源代码。 运行包硬件环境: 硬件采用PXA250开发板,规格如下: socketed processor for easy upgrades 64 MBytes SDRAM 32 MBytes Boot ROM 32 MBytes Flash Memory 1 MByte SRAM one Intel® SA-1111® Companion Chip, which provides: — one PCMCIA slot — one Compact Flash slot — one USB Host port — PS/2 keyboard and mouse support Standard Microsystems LAN91C96* Ethernet controller 嵌入式Linux软件平台系统设计说明书
4 touch-screen panel controllers: — Philips UCB 1400* — Burr Brown ADS7846* audio CODECs with MIC, LINE IN, and HEADPHONE connectors: — Philips UCB 1400 — Cirrus CS4201* Sharp LM8V31 LCD panel, with support for other LCD types one USB Client port pulse width modulation control one infrared (IrDA) transceiver Full Function and Bluetooth UART serial ports one slot for one Secure Digital memory card or MultiMediaCard I2C bus communications logic analyzer connections one expansion-card slot for custom development isolatable processor core voltage for precise power measurements 嵌入式Linux软件平台系统设计说明书
5 eight 7-segment LED digits, eight discrete LEDs, eight discrete switches, and two hexadecimal-encoding switches for use by application software