XRT72L50 Datasheet, PDF (44/471 Pages) Exar Corporation – SINGLE CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER

XRT72L50
SINGLE CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER
REV. 1.2.1
FIGURE 13. RECEIVE PAYLOAD DATA OUTPUT INTERFACE TIMING
XRT72L5x Receive Payload Data I/F Signals
t50
RxClk
áç
RxSer
RxFrame
RxOHInd
Payload[4702] Payload[4703]
t51
X-Bit
t52
Payload[0]
FIGURE 14. RECEIVE PAYLOAD DATA OUTPUT INTERFACE TIMING (NIBBLE MODE OPERATION)
XRT72L5x Receive Payload Data I/F Signals
RxOutClk
RxClk
RxNib[3:0]
RxFrame
t54
Nibble [0]
Nibble [1]
DS3 Frame Number N DS3 Frame Number N + 1
t53
Recommended Sampling Edge of Terminal
Equipment
31