ST92196A Datasheet, PDF (162/268 Pages) STMicroelectronics – 8/16-BIT MCU FOR TV APPLICATIONS WITH UP TO 96K ROM, ON-SCREEN-DISPLAY AND 1 OR 2 DATA SLICERS

DATA SLICER (Cont’d)
Figure 68. Data Slicer Waveforms
- CLOSED CAPTION DATA SLICER (DS)
GEMSTAR
SIGNAL (DSOUT)
CLOSED CAPTION
SIGNAL (DSOUT)
CLOCK RUN-IN
WINDOW
FRAME CODE
WINDOW
HORIZONTAL
SYNC (CSYNC)
INTERRUPT IRQ
CCIRQ for IRQ_INV=1
Clock run-in
Frame code
11101101
^ ^ ^^^
Clock run-in
Frame code
0 1 0 0 0 0 11
^^^^^
8µs
5µs
Interrupt w/ IRQ_INV=1
32 data bits @ 993ns
16 data bits @ 2us
Interrupt w/ IRQ_INV=0
CCIRQ for IRQ_INV=0
162/268