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PM4328-PI 参数 Datasheet PDF下载

PM4328-PI图片预览
型号: PM4328-PI
PDF下载: 下载PDF文件 查看货源
内容描述: 高密度T1 / E1成帧器,集成M13多路复用器 [HIGH DENSITY T1/E1 FRAMER WITH INTEGRATED M13 MULTIPLEXER]
分类和应用: 复用器数字传输控制器电信集成电路电信电路异步传输模式ATM
文件页数/大小: 250 页 / 1399 K
品牌: PMC [ PMC-SIERRA, INC ]
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STANDARD PRODUCT  
PM4328 TECT3  
DATASHEET  
PMC-2011596  
ISSUE 1  
HIGH DENSITY T1/E1 FRAMER  
AND M13 MULTIPLEXER  
Figure 50: Transmit Bipolar DS3 Stream  
TICLK  
TCLK  
TPOS  
TNEG  
1
1
0
0
0
1
0
The Transmit Bipolar DS3 Stream diagram (Figure 50) illustrates the generation  
of a bipolar DS3 stream. The B3ZS encoded DS3 stream is present on TPOS  
and TNEG. These outputs, along with the transmit clock, TCLK, can be directly  
connected to a DS3 line interface unit. Note that TCLK is a flow through version  
of TICLK; a variable propagation delay exists between these two signals.  
Figure 51: Transmit Unipolar DS3 Stream  
TICLK  
TCLK  
Nib 1  
Bit 4  
Nib 21  
Bit 1  
Nib 22  
Bit 4  
Nib 1190  
Bit 1  
Nib 1  
Bit 4  
TDAT  
TMFP  
X1  
X2  
X1  
The Transmit Unipolar DS3 Stream diagram (Figure 51) illustrates the unipolar  
DS3 stream generation. The TMFP output marks the M-frame boundary, X1 bit,  
in the transmit stream. Note that TCLK is a flow through version of TICLK; a  
variable propagation delay exists between these two signals.  
PROPRIETARY AND CONFIDENTIAL  
184  
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