MITSUBISHI MICROCOMPUTERS
M37270MF-XXXSP
M37270EF-XXXSP, M37270EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
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.
(1)OSD ROM address of character font data
OSD ROM address bit
AD16 AD15 AD14 AD13 AD12 AD11 AD10 AD9 AD8 AD7 AD6 AD5 AD4 AD3 AD2 AD1 AD0
Font
Line number / Character
code / Font bit
1
0
Line number
Character code
bit
Line number = 0216 to 1516
Character code = 0016 to 13F16
Font bit = 0
1
:
:
Left font
Right font
Example) The font data “60” (shaded area
) of the character code “AA 16” is stored in address
=1295416
1 0 0 1 0 1 0 0 1 0 1 0 1 0 1 0 0
2
.
(2)OSD ROM address of extra font data
OSD ROM address bit
AD16 AD15 AD14 AD13 AD12 AD11 AD10 AD9 AD8 AD7 AD6 AD5 AD4 AD3 AD2 AD1 AD0
Font
Line number / Extra code /
Font bit
1
1
Line number
Extra code
0
0
0
0
bit
Line number = 0016 to 1916
Extra code = 0016 to 1F16
Font bit = 0
1
:
:
Left font
Right font
Example) The font data “03” (shaded area
) of the extra code “0A16” is stored in address
=1941516
1 1 0 0 1 0 1 0 0 0 0 0 1 0 1 0 1
2
.
Left font
Right font
DB7 DB6 DB5DB4 DB3 DB2 DB1 DB0DB7 DB6 DB5 DB4 DB3DB2 DB1 DB0
Left font
Right font
Line number 0016
0116
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0216
0316
0416
0516
0616
0716
0816
0916
0A16
0B16
0C16
0D16
0E16
0F16
1016
1116
1216
1316
1416
1516
0216
0316
0416
0516
0616
0716
0816
0916
0A16
0B16
0C16
0D16
0016
0016
1016
1116
1216
Line number
1316
1416
1516
1616
(1) Character code “AA16
”
1716
1816
1916
(2) Extra code “0A16
”
(3/4)
90
MITSUBISHI [ Mitsubishi Group ]
