HMP8116 Intersil Corporation, HMP8116 Datasheet - Page 9

• Manufacturer Part Number: HMP8116
• Description: Ntsc/pal Video Decoder
• Manufacturer: Intersil Corporation

field state. When field information cannot be determined
from the input video source, the FIELD output pin alternates
NOTE:
NOTE:
NOTE:
3. The trailing edge of VSYNC is 5 1 clocks after the trailing edge of HSYNC to be VMI compatible and to indicate a transition to an odd field.
4. The trailing edge of VSYNC is 5 1 clocks after the leading edge of HSYNC to be VMI compatible and to indicate a transition to an even field.
5. The trailing edge of VSYNC is 5 1 clocks after the trailing edge of HSYNC is to be VMI compatible and to indicate a transition to an odd field.
NTSC(M)
HSYNC
HSYNC
VSYNC
VSYNC
PAL(M)
NTSC(M)
VIDEO
INPUT
VIDEO
INPUT
LINE #
LINE #
FIELD
FIELD
HSYNC
VSYNC
FIGURE 4. NTSC(M) AND PAL(M) HSYNC, VSYNC AND FIELD TIMING DURING AN EVEN TO ODD FIELD TRANSITION
FIGURE 5. NTSC(M) AND PAL(M) HSYNC, VSYNC AND FIELD TIMING DURING AN ODD TO EVEN FIELD TRANSITION
LINE #
PAL(M)
LINE #
VIDEO
LINE #
INPUT
FIELD
FIGURE 6. PAL(B,D,G,H,I,N,N
524
521
262
259
621
522
260
622
525
263
‘ODD’ FIELD
‘EVEN’ FIELD
523
261
264
C
‘EVEN’ FIELD
1
623
) HSYNC, VSYNC AND FIELD TIMING DURING AN EVEN TO ODD FIELD TRANSITION
524
262
265
624
2
525
263
266
3
625
HMP8116
9
264
267
1
1
4
its state at the beginning of each field. FIELD changes state
5 1 CLK2 cycles before the the leading edge of VSYNC.
‘EVEN’ FIELD
‘ODD’ FIELD
‘ODD’ FIELD
265
268
5
2
2
266
269
3
3
6
267
270
7
4
4
268
271
5
5
8
272
269
9
6
6
270
273
7
7
10