XRT7250 Datasheet, PDF (356/463 Pages) Exar Corporation – DS3/E3 FRAMER IC

áç
XRT7250
DS3/E3 FRAMER IC
REV. 1.1.1
FIGURE 156. A SIMPLE ILLUSTRATION OF THE TRANSMIT PAYLOAD DATA INPUT INTERFACE BLOCK
TxOH_Ind
TxSer
TxNib[3:0]
TxInClk
TxNibClk
TTrraannsmsmititPPaayyloloaadd
DDaatataInInppuut _t
InInteterrfafacceeBBlolocckk
To Transmit E3 Framer Block
TxFrame
TxFrameRef
Each of the input and output pins of the Transmit Pay-
load Data Input Interface are listed in Table 70 and
described below. The exact role that each of these
inputs and output pins assume, for a variety of operat-
ing scenarios are described throughout this section.
337