GS1501 Gennum Corporation, GS1501 Datasheet - Page 11

• Manufacturer Part Number: GS1501
• Description: Hd-linx (tm) THDTV Serial Digital Formatter With Anc Fifos
• Manufacturer: Gennum Corporation

GENNUM CORPORATION
DATA_IN[19:10]
DATA_IN[19:10]
DATA_IN[9:0]
(CHROMA)
FF_STA[2:0]
(LUMA)
PCLK_IN
PCLK_IN
W_CLK
(LUMA)
REN
H
V
F
DATA_IN[19:0]
Note that reference is made to the input data stream since the output is scrambled
PCLK_IN
BLANK
DATA_IN[19:10]
3FF
3FF
FF_STA[2:0]
WORD1
PCLK_IN
W_CLK
(LUMA)
000
000
(Will begin reading ANC data out of the FIFO and writing it into the LUMA stream at Word1)
REN
WORD2
WORD
X
000
000
Fig. 6 FIFO Almost Full to Half Full Read Timing
WORD3
Fig. 5 FIFO Full to Almost Full Read Timing
Fig. 3 Timing of Dynamic Data Blanking
(EAV ID)
(EAV ID)
WORD
XYZ
XYZ
X+1
WORD41
WORD4
Fig. 4 HVF Input Timing
YLN
CLN
WORD
0
0
9 Cycles
X+2
WORD5
WORD42
(Almost Full)
11
101
(Full)
110
WORD6
WORD
Data To Be Blanked
X+3
WORD43
(Low)
WORD7
WORD
X+4
WORD44
WORD8
WORD
X+6
WORD45
WORD9
(Half Full)
3FF
3FF
100
WORD
WORD10 WORD11
X+7
WORD46
000
000
WORD
X+8
000
000
WORD12
(SAV ID)
(SAV ID)
XYZ
XYZ
(Almost Full)
WORD13
101
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