XRT72L56 Datasheet, PDF (374/486 Pages) Exar Corporation – SIX CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER

XRT72L56
SIX CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER
REV. P1.1.2
áç
PRELIMINARY
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 71 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.
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