PCI-to-PCI Bridge Architecture Specification Rev1.2

EMMC-5.1协议标准， Changes from version 5.01 to 5.1  Added Command Queuing  Added Enhanced Strobe in HS400 Mode  Added Cache Barrier  Added Cache Flushing report  Added RPMB Throughput Improve. Support write data size 8KB (thirty two 512B frames)  Added Background Operation Control  Added Secure Write Protection  Added Host Controller Interface for Command Queuing as normative reference  Clarification on HS200/HS400 VT  Edit to support v5.1 in EXT_CSD_REV[192]  Fixed typos, cross references and formatting  Generated new figures to improve images quality and correct errors

LIN 1.0 1999-07-01 Initial Version of the LIN Specification LIN 1.1 2000-03-06 LIN 1.2 2000-11-17 LIN 1.3 2002-12-13 LIN 2.0 2003-09-16 Major Revision Step LIN 2.1 2006-11-24 Clarifications, configuration modified, transport layer enhanced and diagnostics added. LIN 2.2 2010-12-31 Updated document according to LIN 2.1 Errata sheet 1.4 Softened bit sampling specification LIN 2.2A 2010-12-31 Corrected wakeup signal definition in chapter 2.6.2

I2C官方标准文档，I2C-英文版&中文版-spec-philips官方.7z

PCI Express 3.0 specification. Its primary focus is the implementation of an evolutionary strategy with the current PCI desktop/server mechanical and electrical specifications

PCIE4.0 card electromechanical specification. 最新正式发布的PCIE CEM SPEC。在3.0的基础上更新了一些参数和pin脚定义。

SATA3.3官方规范版本，该规范是SATA 最新规范 ,无删减。

leyou.sql 完整数据库+tb_spec_group+tb_spec_param 直接数据库运行sql文件或使用记事本打开文件复制命令

挺好的一篇SPEC讲义，建议下载下来阅读。

This specification describes the PCI Express® architecture, interconnect attributes, fabric management, and the programming interface required to design and build systems and peripherals that are compliant with the PCI Express Specification.