主板 Express uATX（或 V2M-P1）是 Versatile Express 系列中的第一款可用主板。它嵌在 uATX 大小的兩件式漂亮塑料外殼內?；顒邮綒どw可以露出主板以便安裝子板和連接測試設備。所有連接器和控制器都安裝在后面板上。  

此主板有兩組子板牛角連接器。它必須始終與處理器子板 Express 或軟宏模型子板配對使用以提供主系統處理器?？梢蕴砑涌蛇x的邏輯子板 Express 板以提供自定義 IP 開發和驗證功能。

• 配備各種有用的外設接口
• 適用于 Versatile Express 子板的拖放式 USB 驅動器配置機制
• 功能強大的啟動監視器程序可以配置子板并啟動應用軟件映像
• 單元預先裝載了 Debian Linux 安裝程序
• 可以通過 RS232 端口遠程控制系統電源并重置信號
• 緊湊獨立的系統，攜帶方便并適合進行展示或客戶部署

Versatile Express 主板規格參數手冊內容目錄

Contents
Motherboard Express μATX Technical Reference Manual

Preface
About this book .......................................................................................................... vii
Feedback .................................................................................................................... xi
Chapter 1 Introduction
1.1 About the Motherboard Express μATX .................................................................... 1-2
1.2 Precautions .............................................................................................................. 1-5
Chapter 2 Hardware Description
2.1 Motherboard architecture and buses ....................................................................... 2-2
2.2 Power up, on/off and reset signals .......................................................................... 2-6
2.3 Clock architecture .................................................................................................... 2-9
2.4 Power ..................................................................................................................... 2-11
2.5 Peripherals and interfaces on the motherboard ..................................................... 2-12
2.6 Interrupt signals ..................................................................................................... 2-18
2.7 DMA signals ........................................................................................................... 2-20
2.8 JTAG and test connectors ..................................................................................... 2-21
Chapter 3 Configuration
3.1 Configuration environment ....................................................................................... 3-2
Chapter 4 Programmers Model
4.1 About this programmers model ................................................................................ 4-2
4.2 Memory maps .......................................................................................................... 4-3
4.3 Register summary .................................................................................................... 4-8
4.4 Register descriptions ............................................................................................. 4-10
4.5 IO Peripherals and interfaces ................................................................................ 4-26
Appendix A Signal Descriptions
A.1 Audio CODEC interface ........................................................................................... A-2
A.2 UART interface ........................................................................................................ A-3
Appendix B Specifications
B.1 Timing specifications ............................................................................................... B-2
B.2 Electrical Specification ............................................................................................. B-7
Appendix C Revisions