XRT74L73 Datasheet, PDF (289/488 Pages) Exar Corporation – 3 CHANNEL, ATM UNI/PPP DS3/E3 FRAMING CONTROLLER

PRELIMINARY
XRT74L73
3 CHANNEL, ATM UNI/PPP DS3/E3 FRAMING CONTROLLER
REV. P1.0.1
Figure 106 presents a simple illustration of the
Transmit Payload Data Input Interface block.
FIGURE 106. THE TRANSMIT PAYLOAD DATA INPUT INTERFACE BLOCK
TxOH_Ind
TxSer
TxNib[2:0]
TxInClk
TxNibClk
TxFrame
TxFrameRef
Transmit Payload
Data Input
Interface Block
To Transmit DS3
Framer Block
Each of the input and output pins of the Transmit Pay-
load Data Input Interface are listed in Table 62 and
described below. The exact role that each of these
inputs and output pins assume, for a variety of oper-
ating scenarios are described throughout this section.
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