XRT79L71_07 Datasheet, PDF (101/109 Pages) Exar Corporation – 1-CHANNEL DS3/E3 ATM UNI/PPP/CLEAR-CHANNEL FRAMER IC - HARDWARE

REV. 1.0.0
XRT79L71
1-CHANNEL DS3/E3 ATM UNI/PPP/CLEAR-CHANNEL FRAMER IC - HARDWARE
FIGURE 21. TIMING DIAGRAM FOR THE TRANSMIT OVERHEAD DATA INPUT INTERFACE (METHOD 1 ACCESS)
t21
t22 t23
TxOHClk
TxOHFrame
TxOHIns
TxOH
X bit = 0
Remaining Overhead Bits with DS3 Frame
X bit = 0
t24 t25
FIGURE 22. TIMING DIAGRAM FOR THE TRANSMIT OVERHEAD DATA INPUT INTERFACE (METHOD 2 ACCESS)
TxInClk
t26 t27
TxOHFrame
TxOHEnable Pulse # 8
TxOHEnable
TxOHIns
TxOH
t29A
X bit = 0
t28 t29
XRT79L71 samples TxOH here.
X bit = 0
98