XRT74L74 Datasheet, PDF (279/498 Pages) Exar Corporation – 4 CHANNEL, ATM UNI/PPP DS3/E3 FRAMING CONTROLLER

4 CHANNEL, ATM UNI/PPP DS3/E3 FRAMING CONTROLLER
ADVANCED CONFIDENTIAL
XRT74L74
REV. P1.1.1
FIGURE 99. A SIMPLE ILLUSTRATION OF THE RECEIVE PAYLOAD DATA OUTPUT INTERFACE BLOCK
RxOHInd
RxSer
RxNib[3:0]
RxClk
RxOutClk
RxFrame
RReecceeiviveePPaayyloloaadd
DDaattaaOOuuttppuutt
IInntteerrffaaccee
From Receive DS3
Framer Block
Each of the output pins of the Receive Payload Data
Output Interface block are listed in Table 61 and de-
scribed below. The exact role that each of these out-
put pins assume, for a variety of operating scenarios
are described throughout this section.
277