參數(shù)資料
型號: DS21Q58L
廠商: Maxim Integrated Products
文件頁數(shù): 50/74頁
文件大小: 0K
描述: IC TXRX E1 QUAD 3.3V 100-LQFP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
產(chǎn)品變化通告: Product Discontinuation 20/Feb/2012
標(biāo)準(zhǔn)包裝: 90
功能: 收發(fā)器
接口: E1
電路數(shù): 4
電源電壓: 3.14 V ~ 3.47 V
電流 - 電源: 230mA
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 100-LQFP
供應(yīng)商設(shè)備封裝: 100-LQFP(14x14)
包裝: 托盤
包括: AIS 警報檢測器和發(fā)生器,回送功能,PRBS 發(fā)生器 / 檢測器,遠(yuǎn)程檢測器和發(fā)生器
DS21Q58 E1 Quad Transceiver
54 of 74
Transmit and receive CMI is enabled through OUTAC.7. When this register bit is set, the TTIP pin outputs CMI-
coded data at normal TTL-type levels. This signal can be used to directly drive an optical interface. When CMI is
enabled, the user can also use HDB3 coding.
When this register bit is set, the RTIP pin becomes a unipolar CMI input. The CMI signal is processed to extract
and align the clock with data. The bipolar code-violation counter counts CVs in the CMI signal. CVs are defined as
consecutive ones of the same polarity, as shown in Figure 22-2. If HDB3 precoding is enabled, the CVs generated
by HDB3 are not counted as errors.
Figure 22-2. Example of CMI Code Violation
0
1
0
1
CLOCK
DATA
CMI
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