VSC6134
Datasheet
4.2.5
Digital Wrapper Transmit Interface (Overhead Insert)
This section provides the timing information for the digital wrapper serial interface transmit interface
(overhead insert).
Figure 81. Serial Interface Transmit Data Timing
T
CLKP
T
CLKW
DROPOHCLK1
ADDOHCLK0
T
SFSI
T
HFSI
TXOCHFS1
TXOCHFS0
T
HDI
TXOCHD1, TXSTFD1
TXOCHD0, TXSTFD0
T
SDI
Table 438. Transmit Interface
Symbol
TCLKP
TCLKW
TSFSI
THFSI
TSDI
Parameter
Minimum
Typical
17.93
5.98
Unit
ns
Clock period
Clock pulse width
ns
Setup to rising clock edge
Hold time after rising clock edge
Setup to rising clock edge
Hold time after rising clock edge
3
3
3
3
ns
ns
ns
THDI
ns
394 of 438
VMDS-10185 Revision 4.0
July 2006
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
