DS2154
2 的 87
表格 的 内容
1.0 介绍 .............................................................................................................4
新 特性................................................................................................................................... 4
块 图解 ................................................................................................................................ 5
管脚 列表 ............................................................................................................................................ 7
管脚 描述.............................................................................................................................. 10
寄存器 编排................................................................................................................................. 15
2.0 并行的 端口 ........................................................................................................20
3.0 控制, id, 和 测试 寄存器......................................................................20
同步/resync criteria.............................................................................................................. 22
framers loopback......................................................................................................................... 27
自动 alarm 一代........................................................................................................ 28
电源-向上 sequence....................................................................................................................... 30
偏远的 loopback ......................................................................................................................... 31
local loopback............................................................................................................................. 31
4.0 状态 和 信息 寄存器................................................................32
crc 4 同步 计数器 .................................................................................................................. 35
alarm criteria ............................................................................................................................... 36
5.0 错误 计数 寄存器 ......................................................................................40
bpv 或者 代号 violation 计数器 ...................................................................................................40
crc4 错误 计数器 ..................................................................................................................... 41
e-位 计数器................................................................................................................................. 41
fas 错误 计数器 ........................................................................................................................ 42
6.0 dso monitoring 函数 ...................................................................................43
7.0 signaling 运作 ............................................................................................46
处理器 为基础 signaling ............................................................................................................ 46
硬件 为基础 signaling............................................................................................................ 49
8.0 每-频道 代号 一代 ........................................................................51
transmit 一侧 代号 一代.................................................................................................... 51
receive 一侧 代号 一代 ..................................................................................................... 53
9.0 时钟 blocking 寄存器 ................................................................................54
10.0 elastic stores 运作 .................................................................................56
11.0 额外的 (sa) 和 国际的 (si) 位 运作 ..............................57
硬件 scheme ......................................................................................................................... 57
内部的 寄存器 scheme 为基础 在 翻倍-框架 ...................................................................... 57
内部的 寄存器 scheme 为基础 在 crc4 multiframe ................................................................ 60