
MITSUBISHI MICROCOMPUTERS
M37270MF-XXXSP
M37270EF-XXXSP, M37270EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
90
GZZ–SH09–39B < 51A0>
740 FAMILY MASK ROM CONFIRMATION FORM
SINGLE-CHIP MICROCOMPUTER M37270MF-XXXSP
MITSUBISHI ELECTRIC
Font data must be stored in the proper OSD ROM address according to the following table.
(3/4)
(2)OSD ROM address of extra font data
(1)OSD ROM address of character font data
Line number = 02
16
to 15
16
Character code = 00
16
to 13F
16
Font bit = 0
:
Left font
1
:
Right font
OSD ROM address bit
Line number / Character
code / Font bit
AD16 AD15 AD14 AD13 AD12 AD11 AD10 AD9 AD8 AD7 AD6 AD5 AD4 AD3 AD2 AD1 AD0
10
Font
bit
Line number Character code
OSD ROM address bit
Line number / Extra code /
Font bit
AD16 AD15 AD14 AD13 AD12 AD11 AD10 AD9 AD8 AD7 AD6 AD5 AD4 AD3 AD2 AD1 AD0
11
Font
bit
Line number Extra code
0000
Example) The font data “60” (shaded area ) of the character code “AA
16
” is stored in address
1 0 0 1 0 1 0 0 1 0 1 0 1 0 1 0 0
2
=12954
16
.
02
16
03
16
04
16
05
16
06
16
07
16
08
16
09
16
0A
16
0B
16
0C
16
0D
16
0E
16
0F
16
10
16
11
16
12
16
13
16
14
16
15
16
DB7 DB6 DB5 DB4DB3 DB2 DB1 DB0 DB7 DB6 DB5 DB4 DB3DB2 DB1 DB0
Left font Right font
Line number
(1) Character code “AA
16
”
Line number
19
16
(2) Extra code “0A
16
”
DB7 DB6 DB5DB4 DB3 DB2 DB1 DB0 DB7 DB6 DB5 DB4 DB3DB2 DB1 DB0
Left font Right font
00
16
01
16
02
16
03
16
04
16
05
16
06
16
07
16
08
16
09
16
0A
16
0B
16
0C
16
0D
16
00
16
00
16
10
16
11
16
12
16
13
16
14
16
15
16
16
16
17
16
18
16
Line number = 00
16
to 19
16
Extra code = 00
16
to 1F
16
Font bit = 0
:
Left font
1
:
Right font
Example) The font data “03” (shaded area ) of the extra code “0A
16
” is stored in address
1 1 0 0 1 0 1 0 0 0 0 0 1 0 1 0 1
2
=19415
16
.
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