Tv Timing; Tv Output Timing; Figure 7-50: Ntsc Video Timing - Epson S1D13506 Technical Manual

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7.6 TV Timing

7.6.1 TV Output Timing

Register Programming:
Vertical Non-Display Period = 20
VRTC Start Position = 0
TV VRTC Start Position (field 1)
TV VRTC Start Position (field 2)
Hardware Functional Specification
Issue Date: 02/03/26
The overall NTSC and PAL video timing is shown in Figure 7-50: and Figure 7-51: respec-
tively.
1
261 262
pre-equalizing
Field 1
pulse interval
261 262 263
Field 2

Figure 7-50: NTSC Video Timing

vertical blanking interval = 20 lines
2 3 4 5 6 7
vertical sync
post-equalizing
pulse interval
pulse interval
start of field 1
VNDP
1 2 3 4 5 6
start of field 2
VNDP
Start of Vertical Sync
8 9 10 19 20
7 8 9 10 19
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