XRT72L13 Datasheet, PDF (56/370 Pages) Exar Corporation – M13 MULTIPLEXER/CLEAR CHANNEL DS3 FRAMER IC

XRT72L13
M13 MULTIPLEXER/CLEAR CHANNEL DS3 FRAMER IC
REV. P1.0.6
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PRELIMINARY
FIGURE 3. TIMING DIAGRAM FOR THE TRANSMIT PAYLOAD INPUT INTERFACE, WHEN THE XRT72L13 IS OPERATING
IN BOTH THE DS3/SERIAL AND LOCAL-TIMING MODES
XRT72L13 Transmit Payload Data I/F Signals
t6
t5
TxInClk
t8
t7
TxSer
TxFrameRef
Payload[4702] ^{Payload[4703]}
X-Bit
Payload[1]
TxOH_Ind
t9
t10
DS3 Frame Number N DS3 Frame Number N + 1
.
FIGURE 4. TIMING DIAGRAM FOR THE TRANSMIT PAYLOAD DATA INPUT INTERFACE, WHEN THE XRT72L13 IS OPER-
ATING IN BOTH THE DS3/NIBBLE AND LOOPED-TIMING MODES
RxOutClk
TxNibClk
TxNib[3:0]
TxNibFrame
t13A
t11
t13
t12
Nibble [1175]
Nibble [0]
Sampling Edge of XRT72L13 Device
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