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MTV030 View Datasheet(PDF) - Myson Century Inc

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MTV030 Datasheet PDF : 21 Pages
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MYSON
TECHNOLOGY
MTV030
0, X
Initiate
Input = b7, b6
1, X
format (a)
1, X ROW
format (c)
0, 1
0, 0 format (b)
0, 0
COL c
X, X
0, 1
COL ab X, X
1, X
X, X
DA c
DA ab
FIGURE 3. Transmission State Diagram
cal display height control register(CH6-CH0).The algorithm of repeating character line display are shown as
Table 2 and Table 3. The programmable vertical size range is 270 lines to maximum 2130 lines.
The vertical display center for full screen display could be figured out according to the information of vertical
starting position register (VERTD) and VFLB input. The vertical delay starting from the leading edge of VFLB,
is calculated with the following equation:
Vertical delay time = ( VERTD * 4 + 1 ) * H
TABLE 2. Repeat line weight of character
CH6 - CH0
CH6,CH5=11
CH6,CH5=10
CH6,CH5=0x
CH4=1
CH3=1
CH2=1
CH1=1
CH0=1
Repeat Line Weight
+18*3
+18*2
+18
+16
+8
+4
+2
+1
Where H = one horizontal line display time
TABLE 3. Repeat line number of character
Repeat Line
Repeat Line #
Weight
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
+1
- - - - - - - -v- - - - - - - - -
+2
- - - -v- - - - - - -v- - - - -
+4
- -v- - -v- - -v- - -v- - -
+8
-v-v-v-v-v-v-v-v- -
+16
- vvvvvvvvvvvvvvvv -
+17
vvvvvvvvvvvvvvvvv -
+18
vvvvvvvvvvvvvvvvvv
Note:" v " means the nth line in the character would be repeated once, while " - " means the nth line in the
character would not be repeated.
6/21
MTV030 Revision 1.0 10/15/1999
 

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