Epson Research and Development
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Vancouver Design Center
7.6 TV Timing
7.6.1 TV Output Timing
The overall NTSC and PAL video timing is shown in Figure 7-50: and Figure 7-51: respec-
tively.
Register Programming:
vertical blanking interval = 20 lines
Vertical Non-Display Period = 20
VRTC Start Position = 0
1
2
3
4
5
6
7
8
9
10
19 20 21
261 262
vertical sync
pulse interval
pre-equalizing
pulse interval
post-equalizing
pulse interval
Field 1
start of field 1
VNDP
TV VRTC Start Position (field 1)
1
2
3
4
5
6
7
8
9
10
19 20 21
261 262 263
Field 2
start of field 2
VNDP
TV VRTC Start Position (field 2)
Start of Vertical Sync
Figure 7-50: NTSC Video Timing
Hardware Functional Specification
Issue Date: 01/02/06
S1D13506
X25B-A-001-10
EPSON [ EPSON COMPANY ]
