TABLE 3: Source Format Parameters
Reference SMPTE Standard
Format ID
260m 260m 295m 274m 274m 274m 274m 274m 274m 274m 274m 296m 296m
A
B
C
D
E
F
G
H
I
J
K
L
M
Lines/Frame
1125 1125 1250 1125 1125 1125
1920 1920 1920 1920 1920 1920
1125
1920
1125
1920
1125
1920
1125
1920
1125
750
750
Words/Active Line
1920 1280 1280
(each channel Y, Cb/Cr)
Total Active Lines
1035 1035 1080 1080 1080 1080
2200 2200 2376 2200 2200 2640
1080
2200
1080
2200
1080
2640
1080
2750
1080
720
720
Words/Total Line
2750 1650 1650
(each channel Y, Cb/Cr)
Frame Rate (Hz)
Fields /Frame
30
2
30/M
2
25
2
30
2
30/M
2
25
2
30
1
30/M
1
25
1
24
1
24/M
1
60
1
60/M
1
Data Rate Divisor
1
M
1
1
M
1
1
M
1
1
M
1
M
NOTE: M=1.001 in the above table.
TABLE 4: FIFO Status Indicator
FF_STA[2:0]
DESCRIPTION
SYNCHRONIZED TO
R_CLK
000
001
010
011
100
101
110
111
ERROR Flag; FIFO is under run
FIFO is empty
R_CLK
FIFO is almost empty; <= 32 bytes filled
FIFO is ready
R_CLK
-
FIFO is half full
PCLK_IN
PCLK_IN
PCLK_IN
PCLK_IN
FIFO is almost full; >= 992 bytes filled
FIFO is full
ERROR Flag; FIFO is over run
PCLK_IN
DATA
DATA
DATA
DATA
DATA
DATA_IN
DATA
DATA
DATA_OUT
tSU
tIH
tOH
tOD
Fig. 1 Synchronous I/O Timing
11
GENNUM CORPORATION
522 - 33 - 00
GENNUM [ GENNUM CORPORATION ]
