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EL640.480-AM Operations Manual (020-0351-00C)
10
Video Input Signals
The end of the top line of a frame is marked by S, scan start up signal as shown
in Figure 3. The end of each row of data is marked by CP1 as shown in Figure 3
and Figure 4.
S (FRAME)
CP1 (LINE)
UD0 to UD3
LD0 to LD3
frame n- 1
frame n frame n+ 1
row 240/480 row 1/241
row 1/241
160 CP2 pulses
CP1 (L:INE)
UD0 to UD3
LD0 to LD3
First pixels (1...4) Last pixels (637...640)
240 CP1 pulses
T1
T2 T3
Figure 3. Video Input Timing Diagram.
Table 4. Video Input Timing.
Symbol Name Min Max Units
T1 Frame time 8.3 --- ms
Frame frequency --- 120 Hz
T2 CP1 High time 60 --- ns
T3 CP1 Period 34.5 --- µs