GS1500 Gennum Corporation, GS1500 Datasheet - Page 12

• Manufacturer Part Number: GS1500
• Description: Hd-linx (tm) THDTV Serial Digital Deformatter With Anc Fifos
• Manufacturer: Gennum Corporation

TABLE 3: Source Format Parameters
TABLE 4: FIFO Status Indicator
GENNUM CORPORATION
Reference SMPTE Standard
Format ID
Lines/Frame
Words/Active Line
(each channel Y, Cb/Cr)
Total Active Lines
Words/Total Line
(each channel Y, Cb/Cr)
Frame Rate (Hz)
Fields /Frame
Data Rate Divisor
NOTE: M=1.001 in the above table.
FF_STA[2:0]
000
001
010
011
100
101
110
111
DATA_OUT
PCLK_IN
DATA_IN
ERROR Flag; FIFO is under run
FIFO is empty
FIFO is almost empty; <= 32 bytes filled
FIFO is ready
FIFO is half full
FIFO is almost full; >= 992 bytes filled
FIFO is full
ERROR Flag; FIFO is over run
260M
1125
1920
1035
2200
30
A
2
1
260M
1125
1920
1035
2200
30/M
M
DATA
B
2
295M
1250
1920
1080
2376
25
C
2
1
Fig. 1 Synchronous I/O Timing
DESCRIPTION
t
274M
SU
1125
1920
1080
2200
DATA
30
D
2
1
t
IH
274M
1125
1920
1080
2200
30/M
12
M
E
2
274M
1125
1920
1080
2640
DATA
25
F
2
1
274M
1125
1920
1080
2200
30
G
1
1
DATA
DATA
274M
1125
1920
1080
2200
30/M
M
H
1
t
OH
t
OD
274M
1125
1920
1080
2640
25
1
1
I
DATA
DATA
SYNCHRONIZED TO
274M
1125
1920
1080
2750
24
1
1
J
PCLK_IN
PCLK_IN
PCLK_IN
PCLK_IN
R_CLK
R_CLK
R_CLK
274M
1125
1920
1080
2750
24/M
-
M
K
1
296M
1280
1650
750
720
60
L
1
1
52233 - 3
296M
1280
1650
60/M
750
720
M
M
1