T/TAF 083-2021
I
目 次
前言 ................................................................................. III
引言 ..................................................................................IV
1 范围 .................................................................................1
2 规范性引用文件 .......................................................................1
3 术语、定义和缩略语 ...................................................................1
3.1 术语和定义 .......................................................................1
3.2 缩略语 ...........................................................................3
4 通用要求 .............................................................................4
5 电气特性及时序要求 ...................................................................4
5.1 概述 .............................................................................4
5.2 电气特性 .........................................................................5
5.3 阻抗规则要求 .....................................................................6
5.4 通信基本时序要求 .................................................................6
5.5 其它要求 .........................................................................7
6 物理层 ...............................................................................7
6.1 概述 .............................................................................7
6.2 物理通道实现 .....................................................................7
6.3 快充协议握手检测 .................................................................8
6.4 物理层通讯机制 ..................................................................11
6.5 循环冗余校验（CRC） .............................................................12
6.6 数据包格式 ......................................................................13
6.7 总线冲突 ........................................................................13
6.8 硬件复位 ........................................................................16
7 协议层 ..............................................................................17
7.1 概述 ............................................................................17
7.2 消息 ............................................................................18
7.3 定时器 ..........................................................................30
7.4 计数器 ..........................................................................32
7.5 状态机 ..........................................................................33
7.6 协议升级及兼容性要求 ............................................................35
8 应用层 ..............................................................................36
8.1 概述 ............................................................................36
8.2 策略控制 ........................................................................36
8.3 鉴权 ............................................................................42
8.4 供电设备信息上报 ................................................................42
8.5 供电设备保护 ....................................................................43
8.6 线缆识别 ........................................................................45
9 功率规则 ............................................................................46
9.1 概述 ............................................................................46
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