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VSC8151QV 参数 Datasheet PDF下载

VSC8151QV图片预览
型号: VSC8151QV
PDF下载: 下载PDF文件 查看货源
内容描述: 2.488Gb / s的SONET / SDH STS - 48 / STM- 16科终结者 [2.488Gb/s SONET/SDH STS-48/STM-16 Section Terminator]
分类和应用: ATM集成电路SONET集成电路SDH集成电路电信集成电路电信电路异步传输模式
文件页数/大小: 30 页 / 473 K
品牌: VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
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VITESSE  
SEMICONDUCTOR CORPORATION  
Advance Product Information  
2.488Gb/s SONET/SDH  
STS-48/STM-16 Section Terminator  
VSC8151  
9. DD  
10. DS  
11. NS  
Disable descrambling  
0
1
=
=
Normal Operation  
Disable descrambling of incoming data  
Disable scrambling  
0
1
=
=
Normal Operation  
Disable scrambling of outgoing data  
Non-SONET: Allows device to pass non-SONET data such as Gigabit Ethernet. NOTE: If  
non-SONET data is being transmitted, Frame Detect must be disabled. (When NS=”1”, set  
FRD1=”1” and FRD0=”0”).  
0
=
SONET data transmitted  
1
=
non-SONET data transmitted  
12. FWAx  
Forced write of A1/A2 boundary. FWAx = “1” forces all A1 and A2 to be re-written (as  
described in the A1/A2 boundary refresh section)  
0
=
Normal Operation  
1
=
Forced re-write of A1/A2  
13. MXC[1:0] VSC8151 CMU reference generator output clock selection (see Figure 3)  
MXC1  
MXC0  
CKREFP/N, CKREFT Reference Generator Outputs  
0
0
1
1
0
1
0
1
CMU Ref Gen Outputs = Referenced from RXSCLKIN/32 (Transport Mode)  
CMU Ref Gen Outputs = Referenced from external 77MHz PECL AIS Refclk (I_RCAIS)  
CMU Ref Gen Outputs = Referenced from external 155MHz PECL AIS Refclk (I_RCAIS )  
CMU Ref Gen Outputs = Based off external TTL AIS Refclk (I_RCVCO) 77MHz  
G52225-0, Rev. 2.9  
12/1/99  
VITESSE SEMICONDUCTOR CORPORATION  
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896  
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