THS8200 Datasheet, PDF (49/97 Pages) Texas Instruments – ALL FORMAT OVERSAMPLED COMPONENT VIDEO/PC GRAPHICS D/A SYSTEM WITH THREE 11-BIT DACS,CGMS DATA INSERTION

E_{ÏÏÏÏÏ}xa_{ÏÏÏÏÏ}mpl_{ÏÏÏÏÏ}e:5_{ÏÏÏÏÏ}25I
l
j
m
n
OE1
Second Field
First Field
ÏÏÏÏÏÏÏÏÏÏÏÏÏÏÏÏÏÏÏÏ _l
Signal at the Beginning of Each First Field
j
m
n
ÏÏÏÏÏÏÏÏÏÏÏÏÏÏÏÏÏÏÏÏ
ÏÏÏÏÏÏÏÏÏÏÏÏÏÏÏÏÏÏÏÏ
OE2
First Field
Second Field
NOTE: l = m = n = 3
j = 20
Figure 4–38. Field/Frame Synchronizing Signal Waveform (525I Format)
When the 525I preset is selected, the following line type sequence is active:
Breakpoints
4
7
10
20
263
264
266
267
269
270
Line Type
NEQ_NEQ
BSP_BSP
NEQ_NEQ
FULL_NSP
ACTIVE_VIDEO
ACTIVE_NEQ
NEQ_NEQ
NEQ_BSP
BSP_BSP
BSP_NEQ
4–34