GS1501-CQR View Datasheet(PDF) - Gennum -> Semtech
Part Name
Description
View to exact match
GS1501-CQR Datasheet PDF : 15 Pages
| |||
may be inserted during the HANC period. These data
should be supplied into the FIFO during the active video
period. Once all words have been read from the FIFO, the
FF_STA signal will be set to 001.
3.3.5 FIFO External Reset
In external FIFO control mode, the internal FIFO address
pointers are reset to zero (0) using FFRST. A recommended
external reset process is shown in Figure 15.
TABLE 1: FIFO Status Indicator
FF_STA[2:0]
DESCRIPTION
000
ERROR flag; FIFO is under run
001
FIFO is empty
010
FIFO is almost empty; ≤ 32 bytes filled
011
FIFO is ready
100
FIFO is half full
101
FIFO is almost full; ≥ 992 bytes filled
110
FIFO is full
111
ERROR flag; FIFO is over run
SYNCHRONIZED TO
PCLK_IN
PCLK_IN
PCLK_IN
-
W_CLK
W_CLK
W_CLK
W_CLK
PCLK_IN
DATA_IN
DATA_OUT
DATA
DATA
DATA
DATA
DATA
tSU
tIH
Fig. 1 Synchronous I/O Time
DATA
tOH
tOD
DATA
PCLK_IN
DATA_IN[19:0]
RSTLN
n Frames
3FF
000
000
XYZ
(EAV ID)
LN0
LN1
EAV For Line#1
Line#1 Inserted
Here
Transistion From Low To High Can Happen at Any Point
Fig. 2 RSTLN Timing
10
GENNUM CORPORATION
52234 - 4
|
|
Share Link: 