GS2972 Datasheet, PDF (36/125 Pages) Semtech Corporation – 3G/HD/SD-SDI Serializer with Complete SMPTE Audio & Video Support

The timing of these signals is shown in Figure 4-5, Figure 4-6, Figure 4-7, Figure 4-8,
Table 4-6, Table 4-7 and Table 4-8.
PCLK
LUMA DATA
CHROMA DATA
H
V
F
3FF
000
000 XYZ (EAV)
3FF
000
000 XYZ (EAV)
3FF
000
000 XYZ (SAV)
3FF
000
000 XYZ (SAV)
Figure 4-2: H:V:F Output Timing - 3G Level A and HDTV 20-bit Mode
PCLK (3G DDR)
PCLK (HD)
MULTIPLEXED Y’CbCr DATA (HD)
MULTIPLEXED DS1/DS2 DATA (3G)
H
V
F
3FF
3FF
000
000
000
000 XYZ (EAV) XYZ (EAV)
H VF T IM IN G A T E A V
PCLK (3G DDR)
PCLK (HD)
MULTIPLEXED Y’CbCr DATA (HD)
MULTIPLEXED DS1/DS2 DATA (3G)
H
V
F
3FF
3FF
000
000
000
000 XYZ (SAV) XYZ (SAV)
H VF T IM IN G A T S A V
H S IG N A L T IM IN G :
H _C O N F IG = LO W
H _C O N F IG = H IG H
Figure 4-3: H:V:F Output Timing - 3G Level A and HDTV 10-bit Mode
3G Level B 20-bit Mode, each 10-bit stream
PCLK (DDR)
MULTIPLEXED LINKA/LINKB DATA
H
V
F
PCLK (DDR)
MULTIPLEXED LINKA/LINKB DATA
H
V
F
3FF
3FF
3FF
3FF
000 000 000 000 000 000 000 000
XYZ
(eav)
XYZ
(eav)
XYZ
(eav)
XYZ
(eav)
H VF T IM IN G A T E A V
3FF 3FF
3FF 3FF 000 000 000 000 000 000 000 000
XYZ
(sav)
XYZ
(sav )
XYZ
(sav )
XYZ
(sav )
H VF T IM IN G A T S A V
H S IG N A L T IM IN G :
H _C O N F IG = LO W
H _C O N F IG = H IG H
Figure 4-4: H:V:F Output Timing - 3G Level B 10-bit Mode
PC LK
LU M A D A T A IN P U T
C H R O M A D A T A IN P U T
H
V
F
3FF
000
3FF
000
H S IG N A L T IM IN G :
000
000
X Y Z (EAV)
X Y Z (EAV)
H _C O N F IG = LO W
3FF
3FF
000
000
H _C O N F IG = H IG H
000
000
X Y Z (SAV)
X Y Z (SAV)
Figure 4-5: H:V:F Input Timing - HD 20-bit Input Mode
GS2972 3G/HD/SD-SDI Serializer with Complete
SMPTE Audio & Video Support
Final Data Sheet Rev. 9
GENDOC-047479 September 2013
www.semtech.com
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