LS3A2000_2H参考板技术规格书

本资料包含pdf文件1个，下载需要5积分

LS3A2000_2H参考板技术规格书


目 录
1 产品简介.................................................................................................................................1
1.1 应用环境与外形尺寸.................................................................................................1
1.2 龙芯 3A2000 处理器介绍...........................................................................................1
1.3 产品功能架构图.........................................................................................................2
1.4 主板规格.....................................................................................................................3
1.4.1 中央处理器（CPU） ..........................................................................................3
1.4.2 芯片组.................................................................................................................3
1.4.3 内存.....................................................................................................................3
1.4.4 音频.....................................................................................................................3
1.4.5 显示.....................................................................................................................3
1.4.6 硬盘存储.............................................................................................................4
1.4.7 网络.....................................................................................................................4
1.4.8 USB.......................................................................................................................4
1.4.9 BIOS .....................................................................................................................4
1.4.10 后置 I/O...............................................................................................................4
1.4.11 交流电规格要求.................................................................................................4
1.4.12 总线扩展.............................................................................................................4
1.4.13 调试接口.............................................................................................................4
2 物理特性.................................................................................................................................5
2.1 主板布局图.................................................................................................................5
2.2 板卡连接器管脚信号定义.........................................................................................6
2.2.1 VGA+DVI 接口 .....................................................................................................6
2.2.2 串行接口.............................................................................................................7
2.2.3 USB 接口..............................................................................................................8
2.2.4 AUDIO 接口.........................................................................................................9
2.2.5 F_PANEL...............................................................................................................9
2.2.6 SATA 接口......................................................................................................... 10
2.2.7 TCM 插针.......................................................................................................... 10
2.2.8 拨码开关.......................................................................................................... 10
2.2.9 CORE 时钟控制 ................................................................................................ 11
2.2.10 MEM 的时钟控制 ............................................................................................ 11
2.2.11 HT 时钟控制..................................................................................................... 12
2.2.12 ATX 电源........................................................................................................... 12
2.2.13 系统复位.......................................................................................................... 13
2.2.14 RTC 模块........................................................................................................... 13
附录 已知问题 ....................................................................................................................... 14