參數(shù)資料
型號: DS21Q59LN+
廠商: Maxim Integrated Products
文件頁數(shù): 49/76頁
文件大?。?/td> 0K
描述: IC TXRX E1 QUAD 100-LQFP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 90
類型: 收發(fā)器
驅(qū)動器/接收器數(shù): 4/4
規(guī)程: E1
電源電壓: 4.75 V ~ 5.25 V
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
DS21Q59 Quad E1 Transceiver
53 of 76
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 1s 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
CODE VIOLATION
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